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MAX11905GTP+ - 20-Bit 1.6Msps Low-Power SAR ADC | Analog Devices
MAX11905GTP+

MAX11905GTP+ - 20-Bit 1.6Msps Low-Power SAR ADC | Analog Devices

The Analog Devices (formerly Maxim Integrated) MAX11905GTP+ is a 20-bit, 1.6 Msps, single-channel, fully differential SAR analog-to-digital converter with internal reference buffers, housed in a 20-pin TQFN (4x4 mm) package. It delivers best-in-class static and dynamic performance while consuming power that scales directly with throughput, making it the fastest and lowest-power 20-bit SAR ADC in its class. The device accepts a unipolar differential ±VREF input range and operates from a 3.3 V analog supply plus a 1.8 V digital supply. An SAR ADC (Successive Approximation Register analog-to-digital converter) is a precision data converter that uses a binary-search algorithm and an internal capacitive DAC to resolve an analog input voltage to N bits in N conversion cycles. SAR ADCs sit in the broader hierarchy of data converters (ADC/DAC) within mixed-signal ICs, and are prized for their deterministic latency, zero pipeline delay, and excellent DC accuracy, which makes them the dominant choice for precision instrumentation, industrial process control, and high-accuracy multi-channel data-acquisition systems. Key features include 1.6 Msps throughput, 20-bit resolution with no missing codes, true-differential inputs with ±VREF range, integrated reference buffers that eliminate external buffer amps, and a serial peripheral interface (SPI/QSPI/MICROWIRE-compatible) for digital communication. The device also offers low drift across temperature and excellent AC performance including high SNR and THD suitable for precision measurement. The MAX11905 uses a charge-redistribution SAR core with on-chip input sampling switches and a precision internal reference buffer architecture. Power consumption scales linearly with sample rate, allowing the device to draw minimal current at lower throughput, which is ideal for battery-powered or thermally constrained designs. The differential input structure and high common-mode rejection provide robust performance in electrically noisy industrial environments. Typical applications include industrial process control and instrumentation, precision weigh scales and sensor signal conditioning, medical instrumentation such as patient monitoring and diagnostic equipment, automated test equipment (ATE), seismic and vibration data acquisition, and high-accuracy multi-channel data-acquisition systems. The wide dynamic range and low noise also suit audio-bandwidth precision measurement applications. When designing with the MAX11905GTP+, keep analog and digital grounds separated with a single-point star connection at the board-level AGND/DGND plane, place the 3.3 V and 1.8 V decoupling capacitors as close as possible to the supply pins, and ensure the input common-mode voltage is biased within the specified range for full-scale accuracy. This page synthesizes distributor pricing, drop-in package alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a faster path from spec to prototype.

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MAX11960ETJ+ - 20-Bit 1Msps Dual SAR ADC | Maxim Integrated
MAX11960ETJ+

MAX11960ETJ+ - 20-Bit 1Msps Dual SAR ADC | Maxim Integrated

The Maxim Integrated MAX11960ETJ+ (Analog Devices / Maxim Integrated) is a 20-bit, 1 Msps, dual simultaneous sampling, fully differential SAR analog-to-digital converter (ADC) housed in a 32-pin TQFN (5x5 mm) package. It supports a single analog supply from 1.7 V to 3.6 V and provides two fully differential input channels sampled synchronously through a high-performance successive-approximation core. An integrated reference buffer reduces board-space and BOM count by eliminating the need for an external ADC driver reference network, and an internal oscillator removes the requirement for an external conversion clock. A successive-approximation register (SAR) ADC is a type of Nyquist-rate data converter that resolves one bit per conversion cycle using a binary-weighted capacitor array and a comparator. The MAX11960's dual-channel, simultaneously-sampling architecture extends this principle by capturing two differential inputs at exactly the same instant, which is essential for phase-sensitive applications such as power-line monitoring, three-phase current/voltage sensing, and IQ baseband acquisition. SAR ADCs are preferred over sigma-delta types when deterministic latency and per-sample bandwidth matter, since conversion completes in a fixed number of cycles and outputs data immediately. Key features of the MAX11960 include 20-bit resolution with no missing codes, 1 Msps per channel throughput, 92 dB SNR (typical) and 100 dB SFDR, SPI-/QSPI-/MICROWIRE-compatible serial interface, integrated reference buffer, internal low-drift reference, internal oscillator, and an operating temperature range of -40C to +85C. The wide supply range (1.7 V to 3.6 V) simplifies integration with 1.8 V, 2.5 V, and 3.3 V digital systems, while the small TQFN-32 footprint suits dense multi-channel data-acquisition boards. The device is typically used in industrial process control, three-phase power metering, motor-control current sensing, vibration and acoustic analysis, medical instrumentation, and software-defined radio (SDR) baseband digitizers. Designers benefit from low power dissipation that scales with sampling rate, allowing energy-efficient designs in battery-operated measurement equipment. Designers should observe the typical-application circuit in the Maxim datasheet, including a 10 uF bulk + 0.1 uF decoupling combination on AVDD/DVDD, common-mode input filtering, and short, impedance-controlled traces to the analog inputs. For best noise performance, place input RC anti-aliasing filters symmetrically on both differential pairs. The MAX11960 is specified for the industrial temperature range; for automotive deployments the AEC-Q100 qualified MAX11960ETJ/V+ should be considered. This page synthesizes distributor pricing, drop-in compatible alternates sourced from the Maxim datasheet cross-reference, and practical layout notes that complement but do not duplicate the manufacturer datasheet. For applications requiring a simultaneous-sampling, dual-channel SAR ADC with integrated reference and an industry-standard SPI interface, the MAX11960ETJ+ is a compact, production-ready solution.

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MAX11960ETJ+T - 20-Bit 1Msps Dual SAR ADC | Maxim Integrated
MAX11960ETJ+T

MAX11960ETJ+T - 20-Bit 1Msps Dual SAR ADC | Maxim Integrated

The Maxim Integrated (Analog Devices) MAX11960ETJ+T is a 20-bit, 1Msps, dual simultaneous-sampling, fully differential successive-approximation-register (SAR) analog-to-digital converter (ADC) housed in a 32-pin TQFN (5 mm x 5 mm) package. The device integrates two precision SAR ADCs with internal reference buffers, achieving 99 dB SNR and -123 dB THD, and guarantees 20-bit resolution with no missing codes and a maximum INL of 5 LSB. A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm and a capacitive DAC network to perform a single conversion in a defined number of clock cycles. Within the data-converter family hierarchy, the MAX11960 belongs to SAR ADCs -> ADCs -> data converters -> mixed-signal ICs -> semiconductor devices, and is specifically designed for applications where simultaneous sampling of two channels is required. Key features include dual simultaneous-sampling inputs, a SPI-compatible serial interface, best-in-class power consumption that scales with throughput, fully differential inputs with wide common-mode range, internal reference buffers, and a compact 32-pin TQFN package. Operating from a 1.7 V to 1.9 V analog supply and a 1.7 V to 3.6 V digital supply, the part supports an extended -40C to +85C industrial temperature range. The internal reference buffers eliminate the need for external buffer amplifiers, simplifying the analog front-end and reducing both BOM cost and PCB area. The dual simultaneous-sampling architecture captures both channels at exactly the same instant, which is critical for phase-coherent measurements such as vibration analysis, power-line monitoring, and quadrature demodulation in communications. Typical applications include vibration and acoustic analysis, power-quality monitoring, multi-axis industrial control, medical instrumentation, sonar and acoustic array processing, and high-speed data-acquisition systems. With the N.C. pins of the MAX11960ETJ+T internally pulled down to ground, this ADC is a drop-in replacement for the MAX1186 in legacy designs requiring a 10-bit upgrade path. When designing with the MAX11960, follow the manufacturer's reference-layout guidelines: route the analog inputs as a differential pair, place the input RC network close to the ADC pins, and keep the digital SPI traces separated from analog ground returns. The -T suffix indicates tape-and-reel packaging, while the +T suffix confirms RoHS compliance. This page synthesizes distributor pricing, parametric alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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MAX1196ECM+ - Dual 8-Bit 40Msps 3V ADC | Maxim Integrated
MAX1196ECM+

MAX1196ECM+ - Dual 8-Bit 40Msps 3V ADC | Maxim Integrated

The Maxim Integrated MAX1196ECM+ is a dual 8-bit, 40Msps, 3V low-power analog-to-digital converter (ADC) featuring two fully differential wideband track-and-hold (T/H) inputs, an internal 2.048V precision reference, and multiplexed parallel CMOS-compatible outputs. Housed in a 48-pin TQFP-EP (7 mm x 7 mm) package with an exposed thermal pad, it delivers conversion rates up to 40 million samples per second per channel while consuming modest power from a single 3.0V analog supply. The dual-channel pipelined architecture suits I/Q baseband sampling, image sensor front-ends, and instrumentation digitizers. An ADC (analog-to-digital converter) is a semiconductor device that samples continuous analog voltage signals and quantizes them into discrete digital codes for downstream DSP, microcontrollers, or FPGAs. Flash and pipelined ADCs occupy the high-speed segment of the converter hierarchy (flash > pipelined > successive-approximation > sigma-delta in speed, with inverse resolution/Footprint trend). The MAX1196 sits in the 8-bit, low-power tier favored for video, imaging, communications IF strips, and portable test gear where small package and low power dominate. Key features per the Maxim datasheet include 40 Msps guaranteed conversion rate, 49 MHz full-power input bandwidth, ±1 LSB DNL (typical), 1.4 Vp-p differential input range, internal 2.048 V reference (externally overridable), and single 3.0 V supply operation. Power consumption is roughly 36 mW per channel at 40 Msps. CMOS-compatible digital I/O simplifies connection to modern FPGAs and ASICs without level shifters. The device uses a two-stage pipelined architecture with digital error correction and an on-chip reference buffer. The internal reference eliminates external reference components and reduces board area, while the exposed pad on the TQFP-EP package provides a low-junction-to-ambient thermal path for sustained 40 Msps operation in industrial temperature environments. Typical applications include digital still camera front-ends, video capture cards, I/Q digitizers in software-defined radio, ultrasound beam-formers, and portable instrumentation. The 48-pin TQFP-EP footprint is compatible with the pin-compatible MAX1186 (10-bit) for design migration when higher resolution is needed downstream. When designing with the MAX1196ECM+, place input coupling capacitors close to AIN+/AIN- to preserve the wideband T/H performance, and stitch the exposed pad to a solid ground plane for thermal dissipation. According to the manufacturer datasheet, the MAX1186 is a documented drop-in 10-bit upgrade for the same 48-pin TQFP-EP footprint, useful when projects need more dynamic range without PCB rework. This page synthesizes distributor pricing, drop-in pin-compatible alternatives (including the 10-bit MAX1186 noted in the datasheet), and practical design notes not found on the manufacturer product page.

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MAX1197ECM+D - Dual 8-Bit 60Msps 3V ADC | Maxim Integrated
MAX1197ECM+D

MAX1197ECM+D - Dual 8-Bit 60Msps 3V ADC | Maxim Integrated

The Maxim Integrated MAX1197ECM+D is a dual-channel, 8-bit analog-to-digital converter (ADC) that samples at 60 Msps per channel from a single 3V supply, housed in a 48-pin TQFP-EP (7x7 mm) package with an exposed thermal pad. It features fully differential wideband track-and-hold inputs, an internal 2.048V precision bandgap reference, and parallel CMOS-compatible outputs, all consuming only 87 mW per channel at full speed. An analog-to-digital converter is a mixed-signal integrated circuit that converts continuous-time analog voltages into discrete digital codes, enabling microcontrollers, DSPs, and FPGAs to process real-world signals such as audio, video, vibration, and intermediate-frequency (IF) outputs. Within the broader signal chain hierarchy, the ADC sits between the analog front-end (amplifiers, filters, mixers) and the digital processor. Low-voltage, high-speed ADCs like the MAX1197 belong to the low-power CMOS pipeline ADC family, which trades absolute resolution for high sampling rates at milliwatt power levels. Key performance features include 60 MHz input bandwidth, -69 dBFS signal-to-noise plus distortion (SINAD) at 20 MHz input, 60 dB spurious-free dynamic range (SFDR), and 7.4 ENOB at Nyquist. The internal reference eliminates external precision components and reduces BOM cost, while a separate output stage supply (OVDD) allows the digital outputs to interface directly to 1.7V-3.6V logic without level translation. The wideband differential inputs accept single-ended signals when configured with an external balun or transformer, simplifying baseband and IF signal-path design. Architecturally, the MAX1197 uses a multi-stage pipelined quantizer with digital error correction, producing one 8-bit sample per channel per clock cycle after the initial pipeline latency. Per-channel internal Track-and-Hold (T/H) front-ends preserve phase and amplitude matching between the two channels, which is essential for diversity receivers, dual-antenna systems, and I/Q demodulation. The 48-pin TQFP-EP package provides low thermal resistance for reliable operation across the industrial -40C to +85C range. Typical applications include communications receivers, ultrasound imaging front-ends, CCD pixel processing, portable instrumentation, and video digitizers where low power and small footprint matter more than 10-12 bit resolution. Designers also use it as a pin-compatible upgrade path from older 8-bit ADCs and as a drop-in lower-resolution replacement for the 10-bit MAX1182 (with NC pins pulled to ground). According to the manufacturer datasheet, the exposed pad must be soldered to the PCB ground plane for proper thermal dissipation. When designing with this device, choose a 3.0V analog supply and bypass it with 10uF plus 0.1uF capacitors close to the AVDGND pins. Route clock and analog inputs as 50 ohm controlled-impedance traces, keep digital outputs separated from analog inputs, and use the internal reference unless absolute accuracy below 1 LSB is required. This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone. The information gain over a single datasheet view comes from cross-referencing the MAX1197 against both same-brand MAX1180/MAX1182 family parts and cross-brand competitors, enabling engineers to make faster second-source decisions.

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MAX1198ECM+TDG05 - Dual 8-Bit 100MSPS ADC, 3.3V | Analog Devices
MAX1198ECM+TDG05

MAX1198ECM+TDG05 - Dual 8-Bit 100MSPS ADC, 3.3V | Analog Devices

The Analog Devices (formerly Maxim Integrated) MAX1198ECM+TDG05 is a 3.3V, dual 8-bit analog-to-digital converter featuring fully differential wideband track-and-hold (T/H) inputs driving two pipelined ADC cores, housed in a 48-pin TQFP-EP (7x7 mm) package. It supports up to 100 MSPS conversion rate per channel, integrates an internal precision reference, and provides CMOS-compatible parallel digital outputs. The part consumes approximately 264 mW from a single 3.3 V supply. An analog-to-digital converter (ADC) is a mixed-signal integrated circuit that converts real-world analog voltages into discrete digital codes for processing by microcontrollers, DSPs, or FPGAs. The MAX1198 belongs to the high-speed, low-power dual pipeline ADC category within the data-converter hierarchy (ADC -> data converter -> signal chain IC -> mixed-signal semiconductor), and is typically used to digitize baseband I/Q or color-difference component signals in image and video pipelines. Key differentiating features include 100 MSPS guaranteed sampling rate on both channels simultaneously, two fully differential wideband T/H front ends optimized for IF sampling, an internal 2.048 V precision reference that eliminates external reference components, CMOS-compatible parallel outputs for direct FPGA/ASIC connection, and an exposed thermal pad (EP) on the 48-TQFP package that lowers junction-to-ambient thermal resistance for reliable continuous operation. Architecturally, the MAX1198 uses a pipelined multi-stage conversion core with internal digital error correction, allowing low-latency operation suitable for real-time signal acquisition. The internal reference is bandgap-derived and trimmed for low drift; combined with differential inputs and wideband T/H front ends, the ADC achieves ENOB and SFDR figures suitable for instrumentation, digital communication, and imaging applications. Typical applications include CCD/CIS image sensor digitizers, digital oscilloscope front ends, IF/baseband sampling in communications receivers, medical imaging pre-processing, and portable test-and-measurement instruments. The wide 7 mm body keeps the part footprint compatible with dense multi-channel data acquisition cards. When designing with this device, pay attention to analog input common-mode and differential drive impedance to maximize SFDR, and provide a solid ground plane plus local 0.1 uF + 10 uF decoupling near the AVDD pins. The exposed pad on the TQFP package must be soldered to the PCB ground plane to meet the datasheet thermal performance and ensure specified linearity. This page synthesizes distributor pricing, drop-in alternatives drawn from Maxim family variants, and practical design notes not collected in the manufacturer datasheet alone.

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MAX1202ACAP - 12-Bit 8-Ch 133kSPS 5V ADC | Maxim Integrated
MAX1202ACAP

MAX1202ACAP - 12-Bit 8-Ch 133kSPS 5V ADC | Maxim Integrated

The Maxim Integrated MAX1202ACAP is a 5V, 8-channel, serial 12-bit successive-approximation analog-to-digital converter (SAR ADC) in a 20-pin SSOP package with mixed +5V analog and +3V digital supply rails. The device supports 8 single-ended or 4 differential input channels through an internal analog multiplexer, with a 133 kSPS maximum sampling rate, an internal track-and-hold amplifier, and user-adjustable digital output logic levels from +2.7V to +5.25V for direct connection to 3V microcontrollers or DSPs. Operating power consumption is 1.5 mA in active mode and 2 µA in power-down mode, making it suitable for low-duty-cycle data-acquisition systems. A successive-approximation ADC is a type of analog-to-digital converter that resolves each conversion by stepping through internal comparator decisions bit-by-bit against a precision DAC reference, delivering deterministic conversion latency and excellent DC accuracy at moderate sampling rates. Within the broader signal-chain hierarchy, the MAX1202 belongs to the data-acquisition IC family, itself a subclass of mixed-signal data converters and a category of power-management-adjacent analog ICs. Compared with sigma-delta ADCs, SAR ADCs offer higher throughput and lower latency, while sigma-delta parts achieve higher resolution at the cost of speed. Key features include 133 kSPS throughput, 8 single-ended or 4 differential input channels, internal 2.5V reference (configurable), user-adjustable output logic levels (+2.7V to +5.25V), single +5V or dual ±5V analog supply operation, 1.5 mA active supply current, 2 µA power-down current, internal track-and-hold, SPI/QSPI/MICROWIRE-compatible serial interface, and unipolar/bipolar input ranges. The integrated multiplexer eliminates external analog switches, simplifying front-end design for multi-sensor systems. The MAX1202 uses a capacitive-charge redistribution SAR architecture with an input track-and-hold that settles in under 1.5 µs, supporting AC input signals beyond the Nyquist limit of the 133 kSPS rate. The 3V digital interface is implemented through a separate DVDD pin, allowing the part to interface directly to 3V logic without level shifters while the analog section runs from 5V. Internal calibration logic and factory-trimmed resistors maintain ±1 LSB INL and ±1 LSB DNL across the operating range. Typical applications include multi-channel data-acquisition systems, industrial process control and instrumentation, portable battery-powered measurement equipment, sensor-array digitizers, and pen-touch / touch-screen interfaces. The 2 µA power-down current makes the device especially attractive in duty-cycled systems that spend most of their time idle. When designing with the MAX1202, place the 10 µF and 0.1 µF bypass capacitors on AVDD and DVDD as close to the pins as possible, route analog and digital grounds on separate planes joined at a single point, and ensure the external reference (or internal reference bypass) is stable to within 1 LSB over temperature. The SSOP-20 thermal resistance of approximately 80 C/W is not normally a concern at 1.5 mA supply current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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MAX1203ACPP - 12-Bit 8-Ch 133ksps Serial ADC | Maxim Integrated
MAX1203ACPP

MAX1203ACPP - 12-Bit 8-Ch 133ksps Serial ADC | Maxim Integrated

The Maxim Integrated MAX1203ACPP is a 12-bit, 8-channel, serial-interface analog-to-digital converter (ADC) that operates from a single +5V analog supply (or dual ±5V supplies) while presenting user-adjustable logic levels for direct connection to 3V digital hosts. The part combines an 8-channel input multiplexer, a wide-bandwidth track-and-hold, and a serial data interface in a 20-pin PDIP (PP suffix) through-hole package, sampling at up to 133 ksps. It is intended for mixed-supply data-acquisition front ends where 5V analog signals must be digitized and sent to a 3V microcontroller or ASIC. An ADC is a data-conversion integrated circuit that transforms continuous analog voltages into discrete digital codes. The MAX1202/MAX1203 family belongs to the successive-approximation-register (SAR) ADC category within precision data converters; its parent hierarchy runs SAR ADC -> data converter -> mixed-signal IC -> semiconductor. The 8-channel input mux allows the device to monitor up to eight single-ended or four differential analog sources sequentially, sharing one conversion engine. Track/hold bandwidth supports full Nyquist acquisition at the maximum 133 ksps rate. Key features include ±0.5 LBN integral nonlinearity (A grade), user-adjustable logic levels from 2.7V to 5.25V for the serial interface, low operating current of 1.5 mA and a 2 µA power-down mode for battery-friendly duty-cycled designs. The internal 4.096V reference (MAX1203) provides ratio-metric conversions, and the serial interface is SPI/QSPI/MICROWIRE-compatible for direct connection to most modern microcontrollers without glue logic. The architecture pairs a charge-redistribution CDAC with a low-noise comparator and an internal oscillator, yielding 73 dB SINAD at 50 kHz input. The combination of 8-channel mux + serial output + 3V-tolerant digital I/O eliminates the level shifters and parallel bus routing that older 5V-only parallel-output ADCs require. Typical applications include industrial process-control analog front ends, multi-channel sensor monitoring (temperature, pressure, strain-gauge bridges), portable instrumentation, and battery-powered data loggers. The 2 µA power-down current makes the part attractive for handheld multimeters that wake periodically to take readings. When designing with this part, place 0.1 µF decoupling capacitors within 5 mm of the AVDD and DVDD pins, and use a single-point analog/digital ground tie under the IC to avoid ground-loop noise. The internal reference requires a 4.7 µF external bypass capacitor for specified noise performance; a smaller value degrades SNR by 1-2 dB. This page synthesizes distributor pricing, A-grade vs B-grade comparison, and design considerations not always highlighted in the manufacturer datasheet.

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MAX1203AEPP - 12-Bit 8-Ch SAR ADC, 133ksps | Maxim Integrated
MAX1203AEPP

MAX1203AEPP - 12-Bit 8-Ch SAR ADC, 133ksps | Maxim Integrated

The Maxim Integrated MAX1203AEPP is a 5V, 8-channel, serial-interface, 12-bit successive-approximation analog-to-digital converter (ADC) with a separate 3V digital interface, housed in a 20-pin PDIP (EPP) package. It accepts 8 single-ended or 4 differential analog inputs and supports both single +5V and dual ±5V analog supplies, while digital I/O levels are independently adjustable from 2.7V to 5.25V via DV-DD for easy connection to 3V microcontrollers, DSPs, or 5V logic. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples a continuous analog voltage and converts it into a discrete digital code that can be processed by a microcontroller, DSP, or FPGA. Successive-approximation-register (SAR) ADCs use a binary-search algorithm with an internal DAC to resolve one bit per clock cycle, achieving a deterministic conversion latency and excellent figure-of-merit at moderate sampling rates (tens to hundreds of ksps). The MAX1203AEPP belongs to the precision data-acquisition IC family within the broader category of analog-to-digital converters and mixed-signal data conversion products. Key specifications include 12-bit resolution, 133 kHz maximum sampling rate, 1.5 mA operating current, and 2 µA power-down current. The internal track-and-hold eliminates the need for external sample-and-hold circuitry, while the serial interface reduces pin count and simplifies board routing. The user-adjustable digital logic interface and bipolar input range make the part well-suited to industrial control and process-monitoring systems. Architecturally, the MAX1203AEPP combines an 8-input analog multiplexer, a high-impedance input track-and-hold, a 12-bit charge-redistribution SAR core, and an internal 4.096V reference. The user-selectable reference (internal or external up to 4.096V) lets designers trade off absolute accuracy, drift, and noise floor against input range. The 4-wire SPI/QSPI/MICROWIRE-compatible serial interface provides straightforward read/write access through the CCLK, DIN, DOUT, and CS signals. Typical applications include process control, instrumentation, data-acquisition front-ends, pen-position digitizers, and patient-monitoring or industrial sensor interfaces. Designers frequently pair the MAX1203AEPP with low-leakage multiplexers and instrumentation amplifiers to scale 4-20 mA current-loop or thermocouple signals into the ADC's input range. The very low 2 µA power-down current also makes the device suitable for battery-powered portable data loggers. When designing with the MAX1203AEPP, place the 0.1 µF AV-DD bypass capacitor within 50 mil of the analog supply pin and route the analog and digital grounds with a single star tie to minimize code-noise coupling. Reference bypassing with 4.7 µF and 0.1 µF capacitors in parallel is required when using the internal reference, per Maxim application guidance.

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MAX1203BCAP - 12-Bit 8-Ch SAR ADC, 133kSPS, SSOP-20 | Maxim
MAX1203BCAP

MAX1203BCAP - 12-Bit 8-Ch SAR ADC, 133kSPS, SSOP-20 | Maxim

The Maxim Integrated MAX1203BCAP is a 5 V, 8-channel, 12-bit successive-approximation analog-to-digital converter (SAR ADC) with a serial (SPI/QSPI/MICROWIRE-compatible) digital interface and selectable 3 V digital logic levels. The device integrates an input multiplexer (8 single-ended or 4 differential channels), a track-and-hold amplifier, and a high-speed serial interface into a 20-pin SSOP package, sampling at up to 133 kS/s. A successive-approximation ADC is a type of analog-to-digital converter that uses a binary search algorithm against an internal precision DAC to determine each code, delivering deterministic latency and true 12-bit resolution without pipeline delay. Within the ADC hierarchy, the MAX1203 sits between delta-sigma converters (slower, higher oversampling) and flash/pipeline converters (much faster, lower resolution or higher power). It is ideal for mid-speed multichannel data-acquisition where deterministic conversion time matters. Key features of the MAX1203BCAP include 8 single-ended/4 differential input channels, 133 kS/s throughput, low 1.5 mA operating supply current, a 2 µA power-down mode, an internal 4.096 V reference (also accepts external reference), and user-adjustable output logic levels between 2.7 V and 5.25 V for mixed 5 V analog / 3 V digital systems. The serial interface reduces pin count relative to parallel ADCs and simplifies board routing. The architecture pairs a capacitive-DAC successive-approximation core with an input track-and-hold rated to handle full-scale step inputs in less than a conversion clock, with SINAD/SNR measured near 70 dB on the MAX1203B grade and 71 dB on the higher-graded MAX1203A variant per partnumber compare tables. Typical applications include multi-zone industrial process control loops, rack-mounted data-acquisition cards, portable instrumentation front ends with mixed-voltage rails, medical patient monitoring front ends, and embedded sensor hubs that digitize thermocouples, RTDs, strain gauges, or 4-20 mA loops. The wide analog supply range (single +5 V or dual ±5 V) and the 3 V-friendly logic output let designers bridge legacy 5 V analog front ends to modern 3.3 V microcontrollers without level translators. When designing, place a 0.1 µF ceramic bypass close to each supply pin and tie the analog and digital grounds together at a single star point near the ADC; the reference decoupling footprint (typically 4.7 µF + 0.1 µF in parallel) is mandatory for 12-bit noise performance. This page synthesizes distributor pricing, drop-in same-brand replacements, and PCB-layout guidance not aggregated on the manufacturer datasheet, enabling faster part selection and second-source validation.

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MAX1203BEAP - 12-Bit 133kSPS 8-Ch SAR ADC | Maxim Integrated
MAX1203BEAP

MAX1203BEAP - 12-Bit 133kSPS 8-Ch SAR ADC | Maxim Integrated

The Analog Devices (formerly Maxim Integrated) MAX1203BEAP is a 5V, 8-channel, 12-bit successive-approximation analog-to-digital converter (SAR ADC) that delivers up to 133 kSPS sampling rate in a 20-pin SSOP package. The device supports both differential and single-ended inputs, offers a serial SPI/QSPI/MICROWIRE-compatible digital interface that operates down to +3V in mixed-supply systems, and includes an integrated +4.096V reference alongside an on-chip track/hold amplifier. An SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm and an internal capacitive DAC to converge on the input voltage in N clock cycles for an N-bit result. Compared with sigma-delta or pipeline architectures, SAR ADCs offer deterministic latency, no pipeline delay, low latency, low latency and excellent DC accuracy, making them ideal for multiplexed multi-channel data acquisition systems where each channel must be sampled at well-defined instants. Key features include 8 analog input channels (configurable as 4 differential pseudo-differential / 8 single-ended), ±1 LSB INL (linearization error) and ±1 LSB DNL (differential non-linearity), a true bipolar ±12V input range with ±5V at AVDD = +5V, an internal +4.096V reference (typ 0.5% accuracy), software-configurable unipolar/bipolar input ranges, low supply current of 2.5 mA (typ) at 133 kSPS, and a hardware /SWRG/shutdown pin that drops current to < 10 µA between conversions. The serial interface supports SPI/QSPI/MICROWIRE with a 3V/5V-tolerant digital supply. The MAX1203BEAP uses a charge-redistribution SAR core with input fault protection to ±16.5V, an on-chip reference buffer, and a high-impedance analog input. Power-down sequencing and analog/digital grounds are independent on pin 9 (AGND) and pin 10 (DGND), simplifying PCB layout for mixed-signal systems. The reference-OK output enables external supervision of reference integrity in safety-critical applications. Typical applications include multichannel data acquisition systems for industrial process control, programmable logic controller (PLC) analog input modules, portable or battery-powered instrumentation, patient monitoring via thermistor/bridge front-ends, and any mixed +5V analog / +3V digital embedded design. The bipolar input range makes it especially attractive for direct connection to ±10V industrial transducers after external resistor scaling. When designing with this part, observe the manufacturer recommended input signal conditioning (an external op-amp buffer / 2N7000 second-stage analog input protection is recommended for ±15V loadings) and keep the analog and digital ground returns separated to a single star-point near the IC. Reference bypass (10 µF + 0.1 µF at REF pin) is mandatory for full 12-bit performance. /CS framing and SCLK idle-high framing must follow SPI mode 1/2 conventions described in the manufacturer datasheet. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, with concrete parametric context that complements the Maxim datasheet.

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MAX1204ACAP - 10-Bit 8-Ch Serial ADC w/ 3V I/O | Maxim Integrated
MAX1204ACAP

MAX1204ACAP - 10-Bit 8-Ch Serial ADC w/ 3V I/O | Maxim Integrated

The Maxim Integrated MAX1204ACAP is a 10-bit, 8-channel, successive-approximation analog-to-digital converter (ADC) with a high-speed SPI/QSPI/MICROWIRE-compatible serial interface, designed for mixed +5V analog / +3V digital supply systems and housed in a 20-pin SSOP package. Key specifications include 5V single-supply analog operation, 3V digital-interface compatibility, eight analog input channels (eight single-ended or four pseudo-differential), and an integrated 4.096V internal reference. An ADC (analog-to-digital converter) is a data-acquisition component that converts real-world analog signals into discrete digital codes for processing by microcontrollers, DSPs, or FPGAs. ADCs sit at the boundary between the analog and digital signal domains and form part of the broader signal-chain hierarchy: sensor/transducer -> signal conditioning -> ADC -> digital controller. Within that hierarchy, the MAX1204ACAP belongs to the successive-approximation-register (SAR) family, which trades conversion speed for high accuracy and low power dissipation. Key features of the MAX1204ACAP include an aggregate sampling rate of up to 133 ksps, low power dissipation of typically less than 3 mA at full throughput, and an internal 4.096 V reference that simplifies external BOM and PCB layout. The 3V digital interface allows direct connection to low-voltage microcontrollers without external level shifters, while the 5V analog supply preserves full-scale input range for industrial-grade sensor signals. Architecturally, the device uses a switched-capacitor DAC and a precision comparator inside the SAR loop, achieving 10-bit resolution without missing codes. The serial interface shifts out conversion data on SCLK falling edges and accepts an active-low CS for chip selection, allowing multiple devices to share a single SPI bus in multiplexed data-acquisition systems. Typical applications include industrial process control, portable instrumentation, data logging, patient monitoring, and any mixed-voltage embedded system that needs multiple analog channels with a small serial-interface footprint. The wide analog supply range (4.75 V to 5.25 V) makes the part especially suitable for legacy 5V analog front-ends. When designing with the MAX1204ACAP, place the 10 uF bypass capacitor on AVdd as close as possible to the pin and keep the analog and digital ground returns separated until they tie together at the exposed pad. This minimizes digital switching noise from coupling into the reference and degrading effective resolution. This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MAX1204ACPP - 10-Bit 8-CH 133kSPS 5V SAR ADC | Maxim Integrated
MAX1204ACPP

MAX1204ACPP - 10-Bit 8-CH 133kSPS 5V SAR ADC | Maxim Integrated

The Maxim Integrated MAX1204ACPP is a 10-bit, 8-channel, serial-interface successive-approximation analog-to-digital converter (SAR ADC) designed for mixed +5V analog / +3V digital supply systems, housed in a 20-pin PDIP through-hole package (commercial 0°C to +70°C grade). A SAR ADC is a type of data converter that uses a binary-search algorithm against an internal precision DAC to digitize an analog input one bit at a time per clock cycle. The SAR architecture sits within the broader hierarchy of analog-to-digital converters -> data converters -> signal-chain ICs -> mixed-signal semiconductors, offering an excellent trade-off between sampling speed (here up to 133 kSPS), resolution (10 bits), deterministic latency, and low power consumption. Mixed +5V/+3V supply compatibility makes the MAX1204ACPP particularly useful as a bridge between legacy analog front ends and modern low-voltage microcontrollers or ASICs. Key features include 8 analog input channels (single-ended or differential), an SPI/QSPI/MICROWIRE-compatible serial interface, an integrated track-and-hold with 1:1 MUX:S/H ratio, and a +5V analog supply with a separate +3V digital for the digital interface (allowing direct connection to 3V logic without level shifters). The sampling rate of 133 kSPS supports general-purpose data acquisition and process control loops, while the SAR architecture guarantees no pipeline delay so the device can settle and convert within a single acquisition window. Typical applications include portable and battery-powered data loggers, process-control analog front ends, multichannel sensor reading modules (thermocouples, RTDs, strain gauges via signal conditioning), and industrial instrumentation where 10-bit resolution is sufficient. The mixed-suprail capability eliminates external level-shifters when interfacing to 3.3V MCUs. When designing with this part, place 0.1 µF ceramic bypass capacitors close to both the +5V (VDD) and +3V (VL) supply pins and reference pin, and keep the analog inputs away from fast digital traces to preserve the 10-bit noise floor. Because the SAR architecture draws current in bursts, ensure the reference source has low output impedance at the conversion clock frequency to avoid gain error. This page synthesizes distributor pricing, drop-in alternatives (including -A/-B grade and -I temperature variants), and practical layout notes not collected in the manufacturer datasheet PDF alone.

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MAX1207ETL+ - 12-Bit, 65Msps ADC | Analog Devices / Maxim
MAX1207ETL+

MAX1207ETL+ - 12-Bit, 65Msps ADC | Analog Devices / Maxim

The Analog Devices (formerly Maxim Integrated) MAX1207ETL+ is a 12-bit, 65Msps analog-to-digital converter (ADC) housed in a 40-pin TQFN (5x5 mm) package. It integrates a fully differential wideband track-and-hold (T/H) front-end that drives the internal pipelined quantizer, delivering 68.5 dB SNR and 88.7 dBc SFDR at a 32.5 MHz input. Operating from a single 3.0V to 3.6V analog supply, it consumes only 316 mW in single-ended clock mode and 342 mW with differential clocking, making it well-suited for power- and thermally-constrained embedded designs. An analog-to-digital converter (ADC) is a data converter that samples continuous-time analog signals and produces discrete-time digital codes proportional to the input voltage. ADC hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor. 12-bit 65 MSPS ADCs typically serve mid-speed precision instrumentation, IF/baseband digitizers in communications, and medical imaging front ends where dynamic range and small footprint matter more than the highest sampling rates. Key features include 1 input channel, 1 pipelined architecture stage producing 12-bit resolution, an internal precision bandgap reference (with the option to drive an external reference), a common-mode reference output to simplify single-supply analog interfaces, and selectable single-ended or differential analog input configurations. Industrial-grade screening and an operating temperature range of -40C to +85C make the part appropriate for commercial and industrial hardware. Design considerations include the need for a clean, low-impedance analog supply (a ferrite bead plus 0.1 uF/10 uF decoupling is typical), an anti-alias RC filter in front of the analog inputs, and careful clock routing to keep jitter-induced SNR degradation under 1 ps rms. The TQFN-40 pad should be soldered to a continuous ground pour to provide the lowest possible thermal resistance to the PCB. Typical applications include medical ultrasound receivers, CCD/camera pixel digitization, basestation IF digitizers, and precision portable instrumentation. The MAX1207ETL+ supports both single-ended and differential clock drives for flexibility in mixed-signal layouts. When designing a printed circuit board, allocate generous analog/digital ground partitioning and keep digital outputs (CMOS-compatible) physically separated from the analog inputs to avoid coupling into the T/H stage. This page synthesizes distributor pricing, same-package drop-in alternatives, and PCB-level design guidance not found in the bare manufacturer datasheet.

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MAX1209ETL+G3U - 12-Bit 80Msps IF-Sampling ADC | Analog Devices
MAX1209ETL+G3U

MAX1209ETL+G3U - 12-Bit 80Msps IF-Sampling ADC | Analog Devices

The Analog Devices (formerly Maxim Integrated) MAX1209ETL+G3U is a 12-bit, 80Msps analog-to-digital converter (ADC) designed for IF-sampling and baseband signal acquisition in communications and instrumentation systems. It features a fully differential wideband track-and-hold (T/H) input amplifier that drives a low-noise internal quantizer, and operates from a single 3.3V analog supply. The part is housed in a 40-pin TQFN (HVQCCN) package, 6 mm x 6 mm with 0.8 mm height and an exposed pad (MO-220WJJD-2 outline), and is specified over the industrial -40C to +85C temperature range. An ADC (analog-to-digital converter) is a data-conversion integrated circuit that samples a continuous analog voltage and quantizes it into a binary code word. The MAX1209ETL+G3U sits in the high-speed, moderate-resolution sub-family of ADCs (commonly called IF-sampling or pipelined ADCs) and is used in systems where analog signal chains must hand off to a digital signal processor or FPGA. Within the broader taxonomy, it is an ADC -> data converter -> mixed-signal IC -> integrated circuit -> semiconductor. Key specifications include 80 Msps sampling rate, 12-bit resolution, 3.3V single-supply operation, and a fully differential input structure. The wideband T/H front end supports input bandwidths well above the Nyquist frequency for 80 Msps operation, enabling direct IF sampling of intermediate-frequency signals in radio receivers. The internal quantizer is optimized for low spurious content across the Nyquist band. Architecturally, the MAX1209ETL uses a pipelined multi-stage topology, with each stage resolving a subset of bits and passing the residue to the next, while digital error correction restores full 12-bit accuracy. The wideband track-and-hold captures fast transients accurately so the quantizer sees a stable DC-like level, minimizing aperture-jitter-induced noise. LVTTL/CMOS-compatible digital outputs simplify interfacing to FPGAs and ASICs without external level translation. Typical applications include cellular base-station IF digitizers, cable-modem downstream receivers, digital oscilloscopes, ultrasound front ends, and radar/electronic-warfare IF receivers. The 3.3V supply and 12-bit resolution strike a balance between dynamic range and power, making the part a workhorse in mid-tier wireless and test-and-measurement designs. When designing with this device, place the analog input anti-alias filter before the T/H input, use a low-jitter sampling clock to preserve SNR, and provide a solid ground plane plus adequate decoupling on AVDD and DRVDD to avoid degrading the 12-bit noise floor. The exposed pad must be soldered to a sufficiently large copper pour for thermal dissipation and for low-impedance return paths to the analog ground.

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MAX1209ETL+T - 12-Bit 80Msps 3.3V IF-Sampling ADC | Maxim Integrated
MAX1209ETL+T

MAX1209ETL+T - 12-Bit 80Msps 3.3V IF-Sampling ADC | Maxim Integrated

The Maxim Integrated MAX1209ETL+T is a 12-bit, 80Msps, 3.3V IF-sampling analog-to-digital converter (ADC) housed in a 40-pin TQFN exposed-pad package with 6 x 6 mm body dimensions and 0.8 mm height, conforming to outline MO-220WJJD-2. It integrates a fully differential wideband track-and-hold input amplifier that drives a low-noise internal quantizer, and supports both fully differential and single-ended signal input configurations. An ADC, or analog-to-digital converter, is a semiconductor device that samples continuous-time analog signals and converts them into discrete digital codes for downstream processing. IF-sampling ADCs are a specialized category designed to digitize intermediate-frequency (IF) signals directly in communication receivers, bypassing traditional baseband downconversion stages. The MAX1209ETL+T sits within the broader hierarchy of data converters -> ADC -> flash/pipelined ADC -> IF-sampling ADC -> power management and signal-chain ICs. Key features include an 80 mega-sample-per-second (Msps) maximum sampling rate, 12-bit resolution, a 3.3V analog supply, and operation over the industrial -40 to +85 C temperature range. The internal pipelined/flash quantizer architecture delivers wide input bandwidth suitable for IF frequencies, while the differential T/H amplifier minimizes distortion on demanding input waveforms. Architecturally, the MAX1209ETL+T uses a multi-stage pipelined core fed by a high-bandwidth differential track-and-hold front end, allowing it to capture high-IF signals at the second or third Nyquist zone with low aperture jitter. Parallel CMOS-compatible digital outputs simplify interface to FPGAs or DSPs. Typical applications include cellular base-station IF digitizers, digital predistortion feedback paths in wireless infrastructure, radar and electronic-countermeasure receivers, medical imaging front ends, and broadband instrumentation. Industrial screening and a wide operating temperature window also suit it for test-and-measurement systems. When designing with this part, place the exposed pad on a contiguous ground pour with multiple thermal vias to minimize die-to-ambient thermal resistance. Use an external low-noise LDO on the 3.3V AVDD rail and decouple it with 10 uF and 0.1 uF ceramics placed as close as possible to the supply pins. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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MAX1209ETL+TG3U - 12-Bit 80Msps 3.3V IF-Sampling ADC | Maxim
MAX1209ETL+TG3U

MAX1209ETL+TG3U - 12-Bit 80Msps 3.3V IF-Sampling ADC | Maxim

The Maxim MAX1209ETL+TG3U is a 12-bit, 80Msps, 3.3V IF-sampling analog-to-digital converter (ADC) housed in a 40-pin QFN (HVQCCN) package. It supports fully differential or single-ended signal input configuration, integrates an on-chip track-and-hold amplifier and a low-drift internal voltage reference, and is specified for industrial-grade temperature operation. The TG3U suffix denotes the Tape & Reel packaging variant shipped in 2.5kG3U reel orientation. An IF-sampling ADC (Intermediate Frequency sampling analog-to-digital converter) is a type of data converter that digitizes analog waveforms whose center frequency lies in the tens to hundreds of MHz range. Unlike baseband ADCs that expect near-DC inputs, IF-sampling converters accept modulated signals directly and relax the filtering burden on upstream mixers. The MAX1209 belongs to the broader category of flash and pipelined ADCs, which form part of the data-converter IC family within mixed-signal semiconductor products. Key specifications include 12-bit resolution, 80 Msps maximum sampling rate, single 3.3V analog supply, and an integrated reference. The converter uses a flash-architecture digitizer with on-chip T/H, providing low-latency conversion suitable for IF signal chains. Differential inputs reject common-mode noise from upstream mixers and amplifiers, simplifying board layout in radio receiver designs. Typical applications include digital predistillation feedback paths, cable-modem upstream and downstream digitizers, IF-stage digitizers in cellular base-station receivers, and general-purpose 12-bit data-acquisition systems operating in the 0-200 MHz IF band. The wide input bandwidth and 3.3V single-supply operation simplify power-tree design for portable and industrial equipment. When designing with this device, keep analog and digital ground returns short and routed separately back to the JFET regulator that supplies AVDD. Use a low-ESR 0.1 uF ceramic bypass capacitor directly on each supply pin, plus a bulk 10 uF tantalum or ceramic capacitor, and route the analog input traces as a 100 ohm differential pair on the top layer over a continuous ground plane. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, giving procurement and engineering teams a single source for parametric, sourcing, and PCB-layout guidance for the MAX1209ETL+TG3U.

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MAX120CAG+ - 12-Bit 500ksps SAR ADC | Maxim Integrated
MAX120CAG+

MAX120CAG+ - 12-Bit 500ksps SAR ADC | Maxim Integrated

The Maxim Integrated MAX120CAG+ is a 12-bit, single-input successive-approximation analog-to-digital converter with a maximum sampling rate of 500 ksps, housed in a 24-pin SSOP package. It combines an on-chip track-and-hold circuit, a 350 ns acquisition time, a 1.6 µs conversion time, and a low-drift voltage reference in one complete converter. An ADC is an analog-to-digital converter, a data-conversion IC that transforms a continuously varying voltage into a numeric code for processing by a microcontroller, DSP, FPGA, or other digital controller. The MAX120 belongs to the broader data-converter IC hierarchy, where it provides the bridge between a sensor or conditioning circuit and digital computation. Its parallel output architecture is intended for systems that can directly read a 12-bit conversion result. The MAX120CAG+ supports sampling rates as high as 500 ksps, while its 350 ns track-and-hold acquisition time allows the input to settle before conversion. Its 1.6 µs conversion time and integrated low-drift reference reduce the external circuitry required for a complete measurement channel. The BiCMOS construction combines bipolar and CMOS circuit technologies, supporting a device that combines reference, sampling, and conversion functions. The converter provides 12-bit resolution and one analog input. The MAX120 family datasheet identifies the MAX120 and MAX122 as complete BiCMOS sampling ADCs with track-and-hold and reference functions. This integration makes the MAX120CAG+ useful where a deterministic parallel interface and rapid sampling are more important than the very low power consumption associated with compact serial-interface converters. Typical uses include industrial process monitoring, instrumentation, digital voltmeters, data acquisition, control loops, and signal measurement systems. Its 500 ksps throughput supports sampling of rapidly changing analog waveforms, while the integrated reference can simplify system architecture. The parallel interface can also reduce the number of serial transactions required when the destination processor provides suitable input latches or an external bus interface. When laying out a board, place the analog input and reference connections away from switching nodes and high-current traces. Provide a stable analog ground path, follow the datasheet bypass recommendations, and account for input bandwidth and source settling time. The acquisition period is only 350 ns, so an input driver with excessive output impedance can degrade accuracy during successive conversions. This page combines the manufacturer family specifications with package details, practical application guidance, comparison information, and qualified drop-in alternatives. These engineering-oriented details help designers evaluate acquisition timing, interface requirements, board layout, and replacement decisions without relying only on a basic catalog description.

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MAX120CNG+ - 12-Bit 500ksps SAR ADC | Maxim Integrated
MAX120CNG+

MAX120CNG+ - 12-Bit 500ksps SAR ADC | Maxim Integrated

The Maxim Integrated MAX120CNG+ is a 12-bit, 500 ksps, single-input successive-approximation analog-to-digital converter in a 24-pin PDIP package. It combines an on-chip track-and-hold circuit with a low-drift voltage reference, providing a complete single-channel conversion solution for industrial measurement, control, instrumentation, and data-acquisition systems. An ADC is a data-acquisition interface that converts an analog voltage into a digital number. Within the hierarchy of analog-to-digital converters, the MAX120CNG+ is a sampling SAR ADC with an integrated track-and-hold function. Successive-approximation conversion repeatedly compares the sampled input with a generated reference voltage, determining each output bit from the most significant bit to the least significant bit. This architecture is appropriate when a compact converter with moderate resolution and rapid sampling is needed. The headline characteristics are 12-bit resolution, a 500 ksps conversion rate, one analog input, SAR conversion, and a 24-pin PDIP package. The manufacturer datasheet identifies the MAX120/MAX122 family as complete BiCMOS sampling ADCs that combine an on-chip track-and-hold circuit, a low-drift voltage reference, fast conversion speeds, and low power consumption. These integrated functions reduce the number of external analog-support components required in a measurement circuit. The MAX120CNG+ uses a 5 V precision ADC configuration and is suited to acquiring rapidly changing or repetitive analog waveforms. A 500 ksps sampling capability permits dense acquisition when the system must observe short-duration events, while 12-bit output resolution provides 4,096 digital codes. The integrated track-and-hold isolates the sampling instant from the input during conversion, reducing the need for external sample-and-hold circuitry. Typical applications include industrial process monitoring, laboratory instrumentation, sensor signal acquisition, digital control systems, and embedded measurement platforms. In each case, the analog front end should scale the sensor output into the converter input range, and the system should provide suitable bypassing and grounding to preserve conversion accuracy. The principal design consideration is input conditioning. Keep the analog trace short, place bypass capacitors near the supply pins, and route return currents away from the analog input. Use the manufacturer pin-description table when assigning PCB tracks because the input, reference, digital interface, power, and ground connections have distinct roles in the conversion system. This page organizes the confirmed MAX120CNG+ characteristics, pin-compatible replacement information, application guidance, comparison parameters, and PCB design notes into a practical engineering reference for evaluating this 12-bit, 500 ksps SAR ADC.

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MAX120CWG - 500ksps 12-Bit ADC w/ T/H & Reference | Maxim Integrated
MAX120CWG

MAX120CWG - 500ksps 12-Bit ADC w/ T/H & Reference | Maxim Integrated

The Maxim Integrated MAX120CWG (also marketed as MAX120CWG+) is a 500 ksps, 12-bit successive-approximation analog-to-digital converter (SAR ADC) with on-chip track/hold (T/H) amplifier and a low-drift buried-zhid voltage reference, housed in a 24-pin wide SOIC (W) package. It supports bipolar input ranges of ±5 V or ±3 V when using ±5 V analog supplies, plus a unipolar 0 to +5 V mode from a single +5 V supply, all selected by strap pin logic. The integrated 2.5 V reference has a low 40 ppm/°C typical drift and supplies the resistor ladder directly, so an external reference is not required. A successive-approximation ADC is a sampling data converter that resolves a single analog input to N bits in N clock cycles using a binary-weighted capacitor DAC and comparator. Each conversion begins with the internal track/hold acquiring the input, then the SAR logic tests bits from MSB to LSB while the comparator output drives the successive-approximation register. SAR ADCs offer deterministic latency and excellent DC accuracy, making them a workhorse for multiplexed data-acquisition front ends, instrumentation loops, and DSP-based control systems. Key features of the MAX120CWG include 12-bit resolution with no missing codes over the industrial 0°C-±70°C range, ±1/2 LSB integral nonlinearity (INL) in grade-A parts, ±25 ppm/°C gain drift, and a track/hold with 100 ps aperture delay. The device uses a BiCMOS process that combines bipolar input/track-hold linearity with CMOS digital logic, and includes a high-bandwidth input buffer option that supports input impedances above 1 kΩ. Throughput is 500,000 conversions per second with a 73 dB SINAD and 70 dB THD, and power consumption is 90 mW typical at full speed, dropping to 5 µW in shutdown. Typical applications for the MAX120CWG include industrial process-control data-acquisition boards, pen-tracer digitizers, precision instrumentation front ends, vibration and sonar signal capture, and DSP-based motor-control current sampling. The integrated reference and small wide-SOIC footprint make it well-suited for compact mixed-signal PCBs where board real estate is constrained. Its wide ±15 V input tolerance and input transient protection also support direct connection to op-amp current-shunt outputs and bridge sensors without external clamps. When designing with this ADC, ensure that the analog and digital grounds are tied only at one point and that the 24-pin wide SOIC (W) package has sufficient copper area for thermal dissipation. Decouple AVDD and DVDD with 22 µF || 0.1 µF tantalum/ceramic pairs as recommended in the datasheet, and strap the input-range and shutdown pins according to the desired ±5 V, ±3 V, 0-5 V, or shutdown mode at power-up. This page synthesizes distributor pricing, drop-in compatible MAX120/MAX122 family variants, and practical PCB decoupling/layout notes not always presented together in the manufacturer datasheet.

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MAX120EAG+ 12-Bit 500ksps SAR ADC | Maxim Integrated
MAX120EAG+

MAX120EAG+ 12-Bit 500ksps SAR ADC | Maxim Integrated

The Maxim Integrated MAX120EAG+ is a 12-bit successive-approximation analog-to-digital converter with one analog input, a 500ksps sampling rate, and an integrated track-and-hold and reference function. It is packaged in a 24-pin SSOP and is identified in the product listings as an industrial-temperature component with gull-wing terminals. The device belongs to the ADC and DAC category of integrated circuits, where its key role is converting a single analog input into a 12-bit digital measurement. An ADC is a data-conversion semiconductor that transforms a continuously varying voltage into a numeric code suitable for processing by a microcontroller, DSP, FPGA, or embedded control system. The MAX120EAG+ uses a successive-approximation architecture, commonly called SAR, which compares the input voltage with a sequence of internally generated reference levels. Its 500ksps maximum sampling capability makes it appropriate for measurement systems that require faster conversion than general-purpose slow ADC functions. The main device characteristics are a resolution of 12 bits, one analog input, a 500ksps conversion rate, and a 24-pin SSOP package. The listings also identify the part as including track-and-hold and reference circuitry. These features are relevant in applications such as industrial process monitoring, instrumentation, sensor signal acquisition, data acquisition systems, and embedded control platforms where a compact single-channel converter is needed. The manufacturer family description identifies the MAX120 series as 500ksps, 12-bit ADCs with track-and-hold and reference functions. The MAX120EAG+ designation uses Maxim Integrated’s E-grade industrial ordering convention and the AG package suffix for a 24-pin SSOP. The verified product listings consistently describe the same 12-bit, single-input, SAR ADC configuration. Because the available manufacturer and distributor references identify the package, architecture, resolution, sampling rate, input count, temperature grade, and core functions, designers can use those characteristics to establish fit before reviewing the detailed electrical limits and pin assignments in the datasheet. For new layouts, place the converter close to the analog source and preserve a short, low-noise analog path to the input pin. Provide the required bypass and reference-decoupling capacitors exactly as specified in the manufacturer datasheet, and route digital output and interface traces away from sensitive input and reference nodes. The single-input architecture is appropriate when multiplexing, gain control, and signal conditioning are handled by external analog circuitry. This page summarizes the verified MAX120EAG+ identity and combines package, application, design, and drop-in replacement guidance with the manufacturer datasheet link. It also highlights the MAX120CAG+ as a documented same-family, same-package replacement candidate, while distinguishing what is known from what must be checked in the final datasheet before layout release.

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MAX120ENG+ - 12-Bit 500ksps SAR ADC | Maxim Integrated
MAX120ENG+

MAX120ENG+ - 12-Bit 500ksps SAR ADC | Maxim Integrated

The Maxim Integrated MAX120ENG+ is a 12-bit, single-channel successive-approximation analog-to-digital converter capable of 500 ksps operation and housed in a 24-pin PDIP package. Its 1-input architecture, parallel word-oriented output, 500 ksps sampling rate, and through-hole package make it suitable for instrumentation, industrial control, data acquisition, and embedded measurement systems. An ADC is an analog-to-digital converter, a semiconductor that samples a continuous analog voltage and converts it into a numeric code for processing or storage. Within the data-converter hierarchy, the MAX120ENG+ is a single-channel SAR ADC. Successive approximation compares the sampled input against an internal trial DAC and internal reference until the conversion reaches its specified resolution. This architecture provides predictable sampling behavior for control and measurement systems without the complexity of a continuously operating high-speed converter. The MAX120ENG+ converts single-ended analog input signals into 12-bit digital words. Its 500 ksps maximum conversion rate provides 2 microseconds per conversion before acquisition overhead. The 24-pin PDIP package is intended for through-hole PCB assembly and offers generous spacing between pins for hand soldering, prototyping, inspection, and applications using standard perforated-board construction. The MAX120E family combines a 12-bit SAR conversion core with parallel digital output and integrated reference circuitry. Parallel data access avoids the serial-interface overhead associated with many mixed-signal converters. A parallel bus can also simplify connections to older processors, FPGA interfaces, latch arrays, or dedicated data-capture logic, provided the timing of acquisition, conversion, and data transfer is coordinated correctly. Typical uses include industrial process monitoring, laboratory measurement equipment, sensor signal acquisition, embedded control systems, waveform sampling, and closed-loop control. The single-channel architecture is particularly appropriate when one analog quantity must be sampled with high conversion throughput. Multiplexed systems can also use the converter when switching the analog source externally, although the multiplexer settling time must be allowed before each acquisition. PCB design should keep the analog input path short and isolate it from digital output and clock activity. Place input filtering and reference-decoupling components near the relevant device pins, provide a stable ground reference, and route high-current outputs away from the analog input. Because the converter uses a parallel interface, confirm signal direction, acquisition timing, and bus contention against the manufacturer pin-description table before finalizing the schematic. This product page combines the verified device specifications, package details, sourcing guidance, equivalent-part analysis, and practical PCB guidance into one engineering-focused reference. It also distinguishes true PDIP-24 alternatives from parts that may be functionally similar but do not establish the same board-level replacement requirement.

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MAX120EWG+ - 12-Bit 500ksps SAR ADC | Maxim Integrated
MAX120EWG+

MAX120EWG+ - 12-Bit 500ksps SAR ADC | Maxim Integrated

Maxim Integrated MAX120EWG+ is a 12-bit successive-approximation analog-to-digital converter with one single-ended input, a 500ksps sampling rate, and track/hold acquisition in a 24-pin SOIC package. It is designed for data-acquisition and control systems that require parallel digital output, moderate resolution, and conversion throughput in a surface-mount package. An ADC converts an analog input voltage into a digital code for processing by a microcontroller, DSP, FPGA, or other digital controller. The MAX120EWG+ belongs to the ADC hierarchy and specifically implements a successive-approximation architecture, commonly abbreviated SAR. Its 12-bit resolution provides 4,096 digital code levels, while the integrated track-and-hold function supports acquisition of rapidly changing input signals at rates up to 500ksps. The verified manufacturer and distributor information identifies the device as a one-input, 12-bit SAR ADC with a 500ksps sampling rate. It also identifies the MAX120 family as ADCs with track/hold and reference functions. These characteristics make the converter appropriate for industrial monitoring, industrial instrumentation, and embedded data-acquisition systems where a compact surface-mount ADC is needed. The MAX120EWG+ uses a parallel data interface rather than a serial SPI or I2C interface. Parallel output transfers the newly converted code directly to digital logic, which can simplify connections to older processor buses and FPGA input registers. Because the device is a successive-approximation converter, designers should account for acquisition and conversion time when defining the sampling interval and should preserve the analog input signal during the specified track-and-hold interval. Typical uses include digitizing process-control inputs, capturing sensor outputs, sampling waveforms in industrial test equipment, and providing front-end conversion for embedded control systems. The 24-SOIC package also allows reuse of board layouts designed around other qualified 24-pin SOIC converters when pin functions, supply requirements, and acquisition behavior have been verified against the datasheet. The primary design consideration is signal conditioning. The ADC input must remain within the valid analog input range, reference behavior must meet the required accuracy, and the source impedance must permit the internal track-and-hold capacitor to acquire the required voltage during each sampling period. Designers should also place input and reference decoupling close to the device and maintain a quiet return path from the analog input to the device ground. This product page combines the verified MAX120EWG+ specifications, distributor sourcing information, package details, and directly supported replacement references with practical selection guidance. It is designed to help engineers evaluate the converter without confusing it with lower-resolution, slower, or electrically incompatible ADC alternatives.

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MAX1211ETL+T - 65Msps 12-Bit IF Sampling ADC | Analog Devices
MAX1211ETL+T

MAX1211ETL+T - 65Msps 12-Bit IF Sampling ADC | Analog Devices

The Analog Devices / Maxim Integrated MAX1211ETL+T is a 12-bit, 65Msps pipelined analog-to-digital converter (ADC) optimized for intermediate-frequency (IF) sampling in a 40-pin TQFN EP package (6 x 6 mm, 0.80 mm height, MO-220). It delivers 66.8 dB SNR and 79.7 dBc SFDR at fIN = 175 MHz, with a 400 MHz to 700 MHz input bandwidth that supports direct IF sampling, eliminating the need for external mixing stages in many communications and instrumentation front ends. The device is offered in an industrial temperature grade of -40 °C to +85 °C. What is an IF-sampling ADC? An ADC of this type is a data-conversion IC that digitizes analog signals whose carrier frequency lies in the intermediate-frequency (typically tens to hundreds of MHz) range. IF-sampling ADCs sit in the signal chain hierarchy between the RF front end and the baseband processor, and they are a category of high-speed pipeline converters within the broader class of data acquisition ICs. The MAX1211's wide analog input bandwidth lets designers place the ADC directly after the IF filter, simplifying board layout and reducing component count relative to traditional baseband-sampling architectures. Key features include a fully differential wideband track-and-hold (T/H) front end that accepts single-ended or differential inputs, selectable two's-complement or Gray-code CMOS-compatible parallel digital outputs, a data-valid indicator that removes the need for external timing components, and a low-power 3.3 V operating mode that consumes 314 mW in single-ended operation. The internal precision bandgap reference can be overridden by an external reference for design flexibility. Architecturally, the MAX1211 employs a multi-stage pipelined quantizer driven by a wideband track-and-hold, with proprietary calibration logic that linearizes the residue gain to deliver strong SFDR performance at high input frequencies. The 0.15 mW power-down mode preserves battery life during idle periods in portable or interrupt-driven systems. Typical applications include wireless infrastructure receivers (LTE/3G base stations), cable head-end equipment, radar digitizers, medical imaging front ends, and high-end instrumentation digitizers. The wide IF-sampling bandwidth also makes the part attractive for software-defined radio platforms and broadband test gear where the ADC digitizes an IF signal at the antenna interface. When designing with this device, engineers should pay close attention to input common-mode voltage, the differential T/H drive network, and clock jitter - which directly limits SNR at high fIN. Layout care for the analog and digital grounds is essential, and a low-jitter clock source is required to realize the datasheet's 66.8 dB SNR figure. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design guidance that go beyond the contents of the manufacturer datasheet alone.

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