ADC/DAC
Products (2518)
MAX1177CEUP+T - 16-Bit 135ksps SAR ADC | Maxim | 20-TSSOP
The Maxim Integrated (Analog Devices) MAX1177CEUP+T is a 16-bit, low-power, successive-approximation (SAR) analog-to-digital converter (ADC) sampling at up to 135 ksps in a 20-pin TSSOP package. The single +4.75V to +5.25V analog supply operation, ±10V bipolar true-differential input range (when using external resistors), and factory-trimmed internal clock make it suitable for industrial process control, instrumentation, and data-acquisition front ends. The MAX1177CEUP+T consumes only 6.7 mW at 135 ksps and drops to 1.4 mW at 10 ksps, while automatic power-down between conversions reduces average power in low-duty-cycle applications. The byte-wide parallel digital interface simplifies connection to microcontrollers, microprocessors, and standard logic families without an external serial clock. A SAR ADC is a type of analog-to-digital converter that resolves a single bit per internal clock cycle using a switched-capacitor comparator and a precision DAC. Compared to delta-sigma and pipeline ADCs, SAR architectures deliver deterministic latency, no pipeline delay, and excellent DC linearity, which is why they dominate multiplexed multi-channel data-acquisition systems, closed-loop control loops, and precision sensor readouts. Key differentiating features of the MAX1177CEUP+T include ±0.5 LSB INL (typ), ±0.5 LSB DNL (no missing codes guaranteed), 84 dB SINAD at 10 kHz input, and an internal 4.096V reference that can be overdriven by an external source for ratiometric measurements. The TSSOP-20 package occupies less than 50 mm² of PCB area, while the input span can be programmed with two external resistors for unipolar 0-10V or bipolar ±10V, ±5V, 0-5V operation. The SAR architecture combined with the on-chip track-and-hold amplifier captures full-scale settling in 250 ns, enabling accurate sampling of multiplexed signals without an external front-end buffer in many designs. Byte-wide parallel output allows direct connection to 8-bit microcontroller buses or FIFO memories. Typical applications include industrial process control (4-20 mA loop readback after I/V conversion), multi-channel data-acquisition systems, portable instrumentation, and battery-powered sensor measurement front-ends where power-down between conversions minimizes idle drain. When designing with this device, ensure the analog and digital grounds are tied at a single star point under the IC to avoid digital switching noise coupling into the SAR comparator, and place the 10 µF + 0.1 µF bypass network within 5 mm of the AVDD pin. Sample-rate-dependent power dissipation must be evaluated against the TSSOP-20 84 °C/W θJA; for 6.7 mW typical dissipation the junction rise is well under 1 °C and a heatsink is unnecessary. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.
MAX1178BCUP+ - 16-Bit 135ksps Bipolar ADC ±5V | Maxim Integrated
The Maxim Integrated MAX1178BCUP+ is a 16-bit, 135 ksps, single-supply successive-approximation analog-to-digital converter (SAR ADC) that accepts a bipolar analog input voltage range of ±5 V, and is offered in a 20-pin TSSOP package with a factory-trimmed internal clock and AutoShutdown. It includes an internal +4.096 V reference option, ±5 V true bipolar input range on a single +4.2 V analog supply, and typical power dissipation of 26.5 mW at 135 ksps with external reference, 31 mW when using the internal reference. A SAR ADC is a successive-approximation-register converter, a category of medium-speed, low-latency analog-to-digital converters that perform one conversion per sample clock by stepping an internal DAC against the input through a binary-search algorithm. SAR ADCs sit between delta-sigma ADCs (which offer higher resolution at lower speed) and flash ADCs (which offer maximum speed at lower resolution), and they are widely used in industrial control, instrumentation, and data-acquisition front-ends where deterministic latency matters. Key features include ±5 V true bipolar input range on a single +4.2 V supply, automatic power-down that drops supply current to 0.4 mA at 10 ksps, 16-bit no-missing-codes performance, single-ended analog input with track-and-hold, and SPI/QSPI/MICROWIRE-compatible serial output. The MAX1178 family differs from the MAX1188 (±10 V input) and MAX1177 (±3 V input) by accepting the wider ±5 V bipolar input on the same TSSOP-20 footprint. Typical applications include industrial process control, data-acquisition front-ends for ±5 V sensor signals, weigh scales, vibration and motion analysis, and portable or battery-powered instrumentation. The AutoShutdown feature reduces system power by more than 90% in between-sample idle windows. When designing with this ADC, pay attention to the input clamping network for over-voltage protection and the reference decoupling scheme - the internal reference requires a low-ESR bypass cap of 4.7 µF or larger. For full ±5 V input swing, an external negative rail or a bipolar-input drive circuit is required at the analog input pin. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes for the MAX1178BCUP+ that are not contained in the manufacturer datasheet alone.
MAX1178CEUP+T - 16-Bit 135ksps Bipolar SAR ADC | Maxim Integrated
The Maxim Integrated MAX1178CEUP+T is a 16-bit, 135 ksps, single-supply successive-approximation analog-to-digital converter (SAR ADC) with a true bipolar analog input range, packaged in a 20-pin TSSOP (4.40 mm, MO-153) with tape-and-reel packaging. It accepts bipolar input signals directly, eliminating the need for external signal-conditioning op-amps or negative supplies in many industrial measurement applications, and operates from a single +4.75V to +5.25V analog supply. The 135 ksamples/s sample rate delivers approximately 84 dB of signal-to-noise plus distortion in a low-power architecture optimized for multiplexed data-acquisition front ends. A SAR ADC is a type of analog-to-digital converter that performs a binary search through an internal capacitive DAC to convert each input sample in a single conversion cycle, producing a settled 16-bit result with no pipeline latency. Unlike pipelined or delta-sigma ADCs, SAR converters are well suited to multiplexed multi-channel systems and DC measurements because every conversion is a complete, deterministic event. SAR ADCs sit within the broader category hierarchy of data converters -> ADCs -> successive-approximation ADCs -> semiconductor ICs, where they are the dominant choice for industrial instrumentation requiring both DC accuracy and fast channel-to-channel settling. Key features include 16-bit resolution (no missing codes), 135 ksps throughput, true bipolar ±VREF input range, single +5V supply operation, low power dissipation of approximately 30 mW at full throughput, and a parallel digital interface for direct connection to microprocessors, DSPs, or FPGAs. An on-chip +2.5V reference is included and is pin-overdrivable for ratiometric measurements, and the device includes a hardware power-down mode that reduces supply current to less than 10 uA between conversions. The device architecture combines an input signal scaler for bipolar-to-unipolar conversion, a precision sample-and-hold, a charge-redistribution DAC, and a digital comparator. An internal oscillator and trim capacitors remove external frequency-setting components, simplifying board layout. According to the manufacturer datasheet, the MAX1178 maintains ±1 LSB INL and ±1 LSB DNL over the commercial 0°C to +70°C operating range, with the bipolar input range enabling direct connection to ±5V or ±10V sensor outputs. Typical applications include industrial process control loops, multi-channel data-acquisition systems, portable instrumentation, and battery-powered measurement front ends where the bipolar input directly accepts ±5V or ±10V signals from transducers, thermocouples after amplification, or current-loop shunts. The hardware power-down mode also makes the device attractive for handheld meters that sample on demand to extend battery life. The parallel interface suits designs where an FPGA or DSP rather than a microcontroller handles the ADC handshake. When designing with this part, place the analog supply bypass capacitors as close to the AVDD pin as possible (typically 0.1 uF ceramic in parallel with 10 uF tantalum) and keep the analog and digital grounds separated until they join at a single star point beneath the IC. The +2.5V reference output requires a 0.1 uF to 1 uF low-ESR ceramic bypass capacitor directly on the REF pin. If the application requires ratiometric operation, drive REF with an external reference rather than using the internal source. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
MAX1179ACUI+ - 16-Bit 135ksps Bipolar SAR ADC | Maxim Integrated
The Maxim Integrated MAX1179ACUI+ is a 16-bit, 135 ksps successive-approximation register (SAR) analog-to-digital converter with a true bipolar analog input range, supplied from a single +5 V rail. Housed in a 28-pin TSSOP package, this converter integrates an internal 4.096 V reference, an internal trimmed clock, and automatic power-down between conversions to minimize average supply current in low-duty-cycle applications. The MAX1179ACUI+ delivers 16-bit no-missing-codes performance, supporting industrial process control, instrumentation, and data-acquisition front-end designs where ±12 V or 0-5 V sensor signals must be digitized without external signal conditioning. What is a SAR ADC? A successive-approximation register analog-to-digital converter is a type of ADC that converts an analog input to a digital output using a binary-search algorithm against an internal DAC. Compared with sigma-delta ADCs, SAR converters achieve much higher sample rates (tens to hundreds of ksps) with no latency between sample and conversion, at the cost of lower resolution (typically 12-18 bits). SAR ADCs are widely used in industrial control loops, motor control, multiplexed data acquisition, and any application that demands deterministic one-shot conversion with simultaneous sampling capability. Key features of the MAX1179ACUI+ include 135 ksps maximum sample rate, ±10 V or 0 V to +5 V true bipolar input range (software configurable), internal precision 4.096 V reference, integrated sample-and-hold, parallel data output interface, and automatic power-down that reduces supply current to under 1 mA between conversions. The integrated reference eliminates an external component and guarantees specified accuracy across the full operating temperature range. The MAX1179ACUI+ offers an SINAD of approximately 86 dB and THD below -90 dB at the rated sample rate, supporting precision measurements in instrumentation applications. The MAX1179ACUI+ uses a charge-redistribution SAR architecture with input ESD protection diodes and an integrated front-end multiplexer. A factory-trimmed internal clock sets the conversion time, eliminating the need for an external ADC clock source. The device supports both unipolar (0 V to +5 V) and true bipolar (±10 V or ±5 V) input ranges through pin-strapping, which is unique in its class and eliminates external signal conditioning for industrial sensors with bipolar outputs. Typical applications include industrial process control loops, PLC analog input modules, portable instrumentation, data acquisition systems, and medical monitoring equipment. The wide ±10 V bipolar input range is particularly valuable for digitizing current-loop outputs from industrial transmitters without external resistor networks. Compared to discrete ADC + op-amp signal conditioning solutions, the MAX1179ACUI+ reduces BOM cost and PCB footprint significantly. When designing with this device, place the input bypass capacitor directly at AVDD and AGND pins to minimize digital coupling. The MAX1179ACUI+ requires careful PCB layout separating analog and digital grounds, with a single point connection near the ADC. The internal reference output should be decoupled with a 10 µF capacitor for specified noise performance. This page synthesizes distributor pricing, drop-in alternative cross-references, and practical layout recommendations not found in the manufacturer datasheet, giving engineers a single source for board-level decision-making.
MAX1179AEUI+ - 16-Bit 135ksps Bipolar SAR ADC | Analog Devices
The Analog Devices (formerly Maxim Integrated) MAX1179AEUI+ is a 16-bit, 135ksps, low-power, single-supply successive-approximation analog-to-digital converter (SAR ADC) with a true bipolar analog input range of ±5V (or 0 to +5V unipolar via internal reference), housed in a 28-pin TSSOP package. The converter combines a high-speed 135ksps sample rate with 16-bit resolution and low power dissipation, making it ideal for industrial process control, data acquisition, and instrumentation front-ends that must digitize bipolar sensor signals without external signal conditioning. A SAR (Successive Approximation Register) ADC is a precision data converter that performs a binary-search conversion on an internal capacitive DAC, producing a digital code that converges to the input voltage in N clock cycles for an N-bit converter. Within the broader product hierarchy, the MAX1179 sits as a precision ADC -> data converter -> signal chain IC -> mixed-signal semiconductor, and is differentiated from sigma-delta and pipeline ADCs by its single-shot latency (one conversion per trigger, no pipeline delay) and intrinsic ease of single-supply bipolar operation. Key features of the MAX1179AEUI+ include an internal 4.096V reference, an external reference option, a single-ended analog input, a parallel (16-bit wide) digital interface, and a hardware-/software-configurable input range. The device supports both unipolar (0 to +5V) and bipolar (-5V to +5V) input spans, with a single +4.2V analog supply and a +2.7V to +5.25V digital supply. A separate 50MHz conversion clock or external crystal is not required; the on-chip oscillator drives the SAR state machine. The TSSOP-28 package provides a small footprint suitable for high-density data-acquisition boards. The MAX1179 architecture uses a charge-redistribution capacitive DAC followed by a low-noise comparator and SAR logic. By accepting ±5V true bipolar inputs on a single 4.2V analog supply, the part eliminates the need for external level-shift or negative-rail circuitry that would otherwise be required to digitize AC sensor outputs, thermocouple or strain-gauge bridge signals, or industrial ±10V (after resistor divider) transducer outputs. Typical applications include industrial data-acquisition front-ends, PLC analog input modules, multi-channel instrumentation panels, weigh scales and load-cell digitizers, and motor-control feedback loops where a high-accuracy 16-bit conversion with simultaneous sampling of a bipolar transducer is required. When designing with this device, decouple AVDD and DVDD with 0.1µF and 10µF ceramic capacitors placed within 2mm of each supply pin, and route analog and digital grounds to a single-point star ground under the exposed pad to prevent digital return currents from corrupting the input signal. The reference bypass capacitor is critical: 4.7µF minimum directly on REF. This page synthesizes distributor pricing, drop-in alternatives from the MAX1179 family, and practical design notes not collated in the manufacturer datasheet, helping engineers shorten the selection-to-prototype cycle for 16-bit bipolar ADC designs.
MAX1179AEUI+T - 16-Bit 135ksps Bipolar-Input SAR ADC | Maxim Integrated
The Analog Devices (formerly Maxim Integrated) MAX1179AEUI+T is a 16-bit, 135 ksps, successive-approximation analog-to-digital converter (ADC) with a bipolar ±5 V analog input range, housed in a 28-pin TSSOP package. The single-supply 4.2V-to-5.25V device integrates an input signal-conditioning true-differential track-and-hold, an on-chip 4.096V reference, and a parallel digital interface, simplifying front-end design in industrial process control and instrumentation. A successive-approximation register (SAR) ADC is a class of Nyquist-rate data converter that performs a binary search through an internal capacitive DAC to converge on the input voltage one bit per conversion clock cycle. SAR ADCs are prized for their deterministic latency, inherent single-shot accuracy with no pipeline delay, and excellent DC linearity, which makes them the architecture of choice for multiplexed data-acquisition systems, motor control current sensing, and precision instrumentation. Key features include 135 ksps throughput, ±5 V (10 V p-p) true-bipolar analog input range from a single 5 V supply, ±18 V fault-tolerant analog inputs, 16-bit no-missing-codes performance, internal 4.096 V reference, software-configurable unipolar/bipolar input range, and a low 4.2 mA typical supply current. The internal reference eliminates an external precision reference and the associated drift budget. The MAX1179 uses an input track-and-hold followed by a charge-redistribution SAR core. The 135 ksps rate is sufficient for many multiplexed industrial loops, while the parallel interface minimizes host CPU overhead. Analog Devices' process and proprietary input-protection network enable ±18 V input survival without external clamping. Typical uses include industrial process control (4-20 mA loop digitization through a sense resistor), multichannel data-acquisition boards, portable or battery-powered medical instruments, and system-monitoring functions inside +24 V factory-automation equipment. When designing with this device, place a 0.1 µF bypass ceramic capacitor close to the supply pad, keep analog and digital grounds joined at a single point, and verify that the host parallel bus timing meets the tCONV and tACQ windows given in the manufacturer datasheet. This page synthesizes distributor pricing, drop-in alternatives, and design notes not found on a single manufacturer page.
MAX1179BCUI+ - 16-Bit 135ksps Bipolar ADC | Maxim Integrated
The Maxim Integrated MAX1179BCUI+ is a 16-bit, 135ksps, single-supply successive-approximation analog-to-digital converter (SAR ADC) with a true bipolar analog input range, housed in a 28-pin TSSOP package. It operates from a single +5V analog supply, draws only 2.5mA in normal operation, and includes automatic power-down between conversions. An SAR ADC is a type of analog-to-digital converter that uses a successive-approximation register to perform binary search on the input voltage. SAR converters occupy the niche between slow, high-resolution sigma-delta ADCs (used for precision DC measurements) and fast, lower-resolution flash ADCs (used in oscilloscopes). Within the broader signal-chain hierarchy they sit alongside sample-and-hold amplifiers, input multiplexers, and voltage references; the part family here belongs to Maxim's data-conversion portfolio (ADC -> data converter -> mixed-signal IC -> semiconductor). Key features include a true bipolar ±12V (or 0 to +12V, user-selectable) input range without external signal conditioning, integrated track-and-hold, factory-trimmed internal clock, and a 16-bit parallel interface. The bipolar capability eliminates the front-end op-amp/inverter chain typically required to digitize signals centered around ground, simplifying industrial process-control and instrumentation designs. Internally, the device combines a capacitive-charge-distribution DAC with auto-calibration logic. Factory trimming removes offset and gain error at production, achieving ±1.5 LSB INL and ±1 LSB DNL typical, plus 86dB SINAD at 100kHz. The architecture supports single-shot conversions via the CONVST pin and offers throughput scalable down to 1ksps with proportional power savings (90 microamps at 1ksps). Typical applications include industrial process control (4-20mA loop digitization through a sense resistor), data-acquisition boards, pen plotters, and portable instrumentation. The bipolar input makes the MAX1179BCUI+ especially attractive in PLCs and motor-control feedback paths where signals swing around 0V. Design consideration: drive AIN through a low-impedance source (op-amp buffer or instrumentation amp) because the ADC's input draws 1 microamp of leakage and the input capacitance settles in microseconds; a 10kohm source impedance limits 16-bit settling. Provide a clean AGND and DGND split, joined only at one point near the ADC. This page synthesizes distributor pricing, parametric comparison against same-family Maxim variants, drop-in alternative guidance, and practical design notes not found in the manufacturer datasheet.
MAX1179CCUI+T - 16-Bit 135ksps Bipolar SAR ADC | Maxim Integrated
The Maxim Integrated MAX1179CCUI+T is a 16-bit, 135ksps, low-power, successive-approximation register (SAR) analog-to-digital converter (ADC) with a true bipolar analog input range, housed in a 28-pin TSSOP (4.40mm body width) package. It operates from a single +4.2V (nominal +5V) supply, accepts input spans from -5V to +5V, and integrates automatic power-down, a factory-trimmed internal clock, and a track-and-hold front-end. An SAR ADC is a type of data converter that performs a binary-search analog-to-digital conversion using a capacitive charge-redistribution DAC and a single comparator, achieving deterministic latency and excellent DC accuracy without the pipeline delay or switching-ripple artifacts common to delta-sigma and pipeline ADCs. SAR ADCs sit within the broader analog-to-digital converter hierarchy (SAR -> ADC -> data converter -> mixed-signal IC -> semiconductor) and are favored for multiplexed acquisition, industrial control loops, and portable instrumentation because each conversion completes in one acquisition cycle. Key features include ±5V bipolar input range on a single supply, throughput up to 135k samples per second, low power dissipation with automatic power-down between conversions, a serial interface for compact PCB routing, and a commercial 0°C to +70°C operating grade. The integrated track/hold and factory-trimmed internal clock eliminate several external components typical of older 16-bit SAR designs, simplifying BOM and shrinking the analog front-end footprint. The MAX1179 architecture uses a charge-redistribution DAC array and a precision comparator controlled by successive-approximation logic, yielding ±1 LSB INL (max) and no missing codes over the full 16-bit range. Bipolar input conditioning is handled by an on-chip input scaling network that derives ±5V range from the +5V supply rail without a negative supply, a meaningful simplification over legacy bipolar ADCs that required ±12V rails. Typical applications include process control and industrial data acquisition cards, portable instrumentation and weigh scales, motor control feedback loops, and medical patient-monitoring front-ends. The bipolar input particularly suits PLC analog input modules that must read 4-20mA or ±10V process signals directly. When designing with this part, place the 0.1µF decoupling capacitor within 5mm of the AVDD pin and provide a solid ground pour under the package to keep the track/hold acquisition clean. Avoid routing the serial interface traces parallel to noisy digital lines; this ADC samples at sub-microsecond rates and is sensitive to digital-to-analog coupling. This page synthesizes manufacturer datasheet excerpts, distributor pricing, drop-in compatible variants from the MAX1179/MAX1187/MAX1189 family, and practical design notes not aggregated on any single distributor page.
MAX11903ETP+T - 18-Bit 1.6Msps SAR ADC | Analog Devices
The Analog Devices MAX11903ETP+T is an 18-bit, 1.6 Msps, single-channel, fully differential SAR analog-to-digital converter with internal reference buffers, offered in a 20-pin TQFN (4 mm x 4 mm) package. Key headline parameters include 18-bit resolution, 1.6 Msps maximum sampling rate, and a fully differential ±VREF input range. The device communicates via an SPI-compatible serial interface and is specified over the -40 °C to +85 °C industrial temperature range. A SAR (Successive-Approximation Register) ADC is a class of Nyquist-rate converter that resolves one bit per internal clock cycle using a capacitive charge-redistribution DAC and a comparator. SAR ADCs sit at the boundary between precision (sigma-delta) and high-speed (pipelined/folding) converters, combining low latency (one conversion cycle), deterministic behavior, and excellent DC accuracy without the digital decimation filters of sigma-delta parts. They are the workhorse for multiplexed data-acquisition systems, industrial sensors, and digital control loops where single-shot latency matters. The MAX11903ETP+T delivers best-in-class power consumption that scales linearly with throughput, meaning current draw at 100 ksps is roughly 1/16 of the current at 1.6 Msps. Internal reference buffers eliminate the need for external high-current reference drive circuitry, simplifying the BOM and reducing PCB area. The unipolar differential ±VREF input range allows direct interface to bridge sensors, current-shunt monitors, and differential audio signals after scaling. Internally, the device uses a 1.8 V analog core supply plus a 3.3 V reference-buffer supply; the split rail minimizes digital noise coupling into the sensitive analog front-end. An integrated high-impedance input structure accepts true bipolar differential signals when biased around a common-mode voltage, supporting direct connection to bridge sensors and instrumentation outputs. Typical applications include precision industrial data acquisition, weigh scales and load-cell digitizers, motor-control current sensing, medical instrumentation signal chains, and multi-channel multiplexed sensor systems. The serial SPI-compatible output and small TQFN footprint make it equally at home in dense multi-channel boards. When designing with this ADC, take care with the reference decoupling: place 10 µF ceramic + 0.1 µF NF bypass right at the REF pins and use a star-ground topology to keep digital return currents out of the analog ground. Input common-mode biasing matters - set IN+ and IN- around VREF/2 for maximum dynamic range on differential signals. This page synthesizes distributor pricing, drop-in alternatives drawn from the Site MPN list, and practical design notes that go beyond the manufacturer datasheet's electrical tables alone.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.