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MAX1036EKA+TG002 - 8-Bit 4/12-Ch 2-Wire Serial ADC | Maxim
The Maxim Integrated MAX1036EKA+TG002 is a low-power, 4-channel (single-ended) or 12-channel (single-ended) successive-approximation 8-bit analog-to-digital converter (ADC) housed in an 8-pin SOT-23-8 package. Operating from a single 2.7V to 5.5V supply, it delivers up to 94 ksps throughput, 1.5 mA supply current, and an internal 2.048V reference. The +TG002 suffix indicates a specific tape-and-reel packaging option supplied as bulk-packed units. An SAR (Successive Approximation Register) ADC is a class of data converter that uses a binary-search algorithm combined with an internal DAC to resolve analog inputs in N conversion cycles for N-bit precision. The MAX1036 family integrates a track-and-hold amplifier, internal voltage reference, internal oscillator, and an I2C-compatible 2-wire serial interface (400 kHz Fast Mode and 1.7 MHz High-Speed Mode) into a single die, allowing direct connection to a microcontroller or processor without external precision components. Key features include four analog inputs configurable as either 4 single-ended or 12 single-ended channels via software, an internal 2.048V reference (with the option to use an external reference up to AVDD), software-configurable unipolar/bipolar modes, low supply current, and an automatic power-down between conversions that drops consumption to microampere levels. The internal reference provides tight initial accuracy and low drift, simplifying BOM cost and PCB area. Architecture is a charge-redistribution SAR with switched-capacitor input, supporting 0 to VREF input range. The 2-wire interface is I2C-compatible with address selection, enabling up to four MAX1036 devices on the same bus. AutoShutdown reduces average supply current to 200 uA at low throughput. Typical applications include portable instrumentation, battery monitoring, system monitoring in servers and networking equipment, panel meters, and digital multimeters. The wide supply range (2.7V to 5.5V) and small SOT-23 footprint make it well-suited for space-constrained, low-power designs. A design consideration: the SOT-23-8 package has a thermal resistance around 170 C/W; ensure decoupling with 0.1 uF and 1 uF capacitors close to AVDD, and route analog/digital grounds in a star-ground pattern to minimize digital switching noise coupling into analog inputs. This page synthesizes distributor pricing, drop-in alternatives, application circuits and practical design notes not found in the manufacturer datasheet alone.
MAX1037EKA+G05 - 8-Bit 4/12-Ch 2-Wire Serial ADC | Maxim
The Analog Devices (formerly Maxim Integrated) MAX1037EKA+G05 is a low-power, 8-bit, multi-channel analog-to-digital converter (ADC) in an 8-pin SOT-23 package. It operates from a single 2.7V to 5.5V supply, supports 4 analog inputs on the MAX1037 variant (the wider MAX1038/MAX1039 family offers up to 12 channels), and uses an I2C-compatible 2-wire serial interface that runs up to 400 kHz in Fast Mode. The +G05 suffix denotes a 5k-piece tape-and-reel packaging option; the bare MAX1037EKA+ ships in 2.5k reels. An 8-bit successive-approximation-register (SAR) ADC is a type of data converter that resolves an analog input to one of 256 discrete digital codes by stepping an internal DAC and comparing it against the sampled input each conversion cycle. SAR ADCs sit in the broader product hierarchy of analog-to-digital converters -> data converters -> data acquisition ICs -> signal chain semiconductors. They are favored over integrating or sigma-delta ADCs when low latency (one conversion per command, no digital filter settling) and simplicity matter more than absolute resolution. Key specifications of the MAX1037EKA+G05 include a maximum sampling rate of 188 ksps, a 350 uA supply current at maximum throughput, an internal 2.048V or 4.096V reference option (on pin-compatible MAX1036/MAX1038 family members), and an external reference mode. The device integrates an input track-and-hold, on-chip clock, and I2C address selection via the AD0 pin, eliminating the need for an external crystal or precision reference in most designs. The single-ended analog inputs accept 0V to VREF (or 0V to VDD when using the supply as reference) and present a high-impedance input typical of switched-capacitor SAR front-ends. Typical applications for the MAX1037EKA+G05 include battery-cell monitoring in portable instruments, thermistor or ratiometric sensor readout in HVAC controllers, push-button and rotary-encoder position sensing, and loop-powered 4-20 mA receiver cards. Its 350 uA active current and sub-microamp standby mode make it well suited to energy-harvesting and always-on IoT nodes that periodically wake to digitize sensor voltages. Designers should note that the MAX1037's 4 single-ended inputs (AIN0-AIN3) are sampled sequentially through the internal MUX; sampling rate must be derated when scanning multiple channels in continuous-conversion mode. The 8-pin SOT-23 requires careful analog-layout practice - keep the analog ground return directly under the IC and decouple VDD with a 1 uF X7R ceramic placed within 3 mm of the supply pin to suppress the digital switching transients that couple back into the SAR comparator. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
MAX1037EKA+TG05 - 8-Bit 4-Ch I2C ADC SOT-23-8 | Maxim Integrated
The Analog Devices (formerly Maxim Integrated) MAX1037EKA+TG05 is a low-power, 8-bit, 4-/12-channel, 2-wire I2C-compatible serial-interface analog-to-digital converter (ADC) supplied in an 8-pin SOT-23 (EKA) package. The device operates from a single 2.7 V to 5.5 V supply, supports sampling rates up to 188 ksps, and integrates an internal track/hold (T/H), voltage reference, and clock. The +TG05 suffix indicates a custom reel/programmable factory configuration, with the standard MAX1037EKA+ being the off-the-shelf variant of the same die. An analog-to-digital converter (ADC) is a data-acquisition building block that converts real-world analog signals into discrete digital codes for processing by microcontrollers, DSPs, or FPGAs. Successive-approximation-register (SAR) ADCs like the MAX1037EKA+TG05 sit in the broader hierarchy of mixed-signal data converters, alongside delta-sigma, pipeline, and flash architectures. SAR ADCs are favored where low latency, moderate resolution (8-16 bits), and deterministic latency are required - making the MAX1037EKA+TG05 a representative part of the 8-bit, low-power, I2C-interfaced SAR family. Key features of the MAX1037EKA+TG05 include 4 analog input channels (single-ended or pseudo-differential), 188 ksps maximum sampling rate, internal 4.096 V reference (MAX1036/MAX1038) or external reference option, 350 µA supply current at maximum throughput, and a 2-wire I2C-compatible serial interface supporting both 400 kHz Fast Mode and 1.7 MHz High-Speed Mode. The SOT-23-8 footprint occupies less than 9 mm² of board area, ideal for portable and space-constrained designs. Architecturally, the MAX1037EKA+TG05 uses a charge-redistribution SAR core, an input multiplexer, an internal reference buffer, and an I2C/SMBus-compatible slave interface. The 1:1 input MUX:S/H:ADC ratio, single ADC, and selectable reference type (internal or external) allow designers to trade noise performance against input range flexibility on a per-channel basis. Typical applications include portable instrumentation, battery-powered sensor monitoring, consumer-electronics front ends, industrial process-control signal conditioning, and any system requiring 4-12 channels of moderate-resolution digitization behind a low-pin-count I2C bus. The wide 2.7-5.5 V supply range also covers 3.3 V and 5 V rails common in MCU-based designs. When designing with this ADC, place 0.1 µF decoupling capacitors as close as possible to the supply pin and follow Maxim's I2C bus-layout guidelines (4.7 kΩ pull-ups, ≤ 20 pF total bus capacitance in Fast Mode). For best noise performance, configure unused analog inputs as AIN_GND and avoid routing digital lines parallel to the analog inputs. The factory-custom +TG05 reel variant is best treated as a special-order item with non-cancellable/non-returnable terms.
MAX1039AEEE+TGC1 - 12-Ch 8-Bit SAR ADC, 2-Wire Serial | Maxim
The Maxim Integrated MAX1039AEEE+TGC1 is a 2.7V to 5.5V, low-power, 4-/12-channel 2-wire serial 8-bit analog-to-digital converter (ADC) housed in a 16-pin QSOP package. The device integrates a successive-approximation register (SAR) architecture with internal track/hold, voltage reference, clock, and an I2C-compatible serial interface, providing a complete multi-channel data-acquisition front end in a single IC. An 8-bit SAR ADC is a successive-approximation converter that resolves an analog input to 8 bits of digital output by sequentially testing each bit against an internal DAC. SAR ADCs are valued in the ADC family (ADC -> data converter -> mixed-signal IC -> semiconductor) for their deterministic latency, lack of pipeline delay, and excellent DC accuracy, which is why they are common in industrial process control, portable instrumentation, and battery-powered sensor monitoring. The MAX1039AEEE+TGC1 extends this architecture to up to 12 single-ended input channels, allowing a single IC to replace a discrete multiplexer plus ADC chain. Key features of the MAX1039AEEE+TGC1 include 12 input channels (6/12 selectable), 8-bit resolution, an I2C-compatible 2-wire serial interface, and 2.7V to 5.5V single-supply operation. Internal features include a track/hold amplifier, voltage reference, and oscillator. Low-power design typically draws well under 1 mA at full sampling rate, suiting portable and battery-powered designs. The 16-pin QSOP footprint occupies a small PCB area suitable for space-constrained sensor modules. The MAX1039AEEE+TGC1's successive-approximation core achieves one conversion per command with no pipeline delay, making the output immediately valid for control loops. Internal reference and clock generation minimize external component count, while the I2C-compatible interface supports up to 4 devices on a single bus for multi-ADC systems. Operating across -40C to +85C industrial temperature range, the part is suitable for factory, automotive-cabin, and outdoor-sensor environments. Typical applications include battery monitoring in portable medical and industrial sensor nodes, HVAC system analog front ends, white-goods and appliance control boards, and panel-meter data acquisition. In each case the 12-channel input count and I2C interface reduce PCB complexity and microcontroller pin usage. When designing with the MAX1039AEEE+TGC1, place 0.1 uF decoupling capacitors as close as possible to the VDD and GND pins and observe the I2C bus pull-up sizing rules for the selected data rate. Note that the +TGC1 suffix is a tape-and-reel and custom-marking code; the base die is identical to MAX1039AEEE+. This page synthesizes distributor pricing, drop-in alternative ADCs in the 16-QSOP footprint, and practical design notes not aggregated on the manufacturer datasheet.
MAX1060AEEI+ - 400ksps 10-Bit 8-Ch SAR ADC | Maxim Integrated
The Maxim Integrated MAX1060AEEI+ is a 400 ksps, 10-bit, low-power, +5V successive-approximation (SAR) analog-to-digital converter with 4/8 single-ended input channels, an integrated +2.5V reference, automatic power-down, and a byte-wide parallel interface, housed in a 28-pin QSOP (5.3mm body) surface-mount package. According to the manufacturer datasheet, the part combines an 8-channel input MUX with a true SAR core, internal track/hold, internal clock, and 2.5V reference into a single mixed-signal IC optimized for data-acquisition front ends. A SAR ADC (Successive-Approximation Register Analog-to-Digital Converter) is a type of data converter that converts an analog input voltage into a digital code using a binary search algorithm against an internal precision reference. SAR ADCs occupy the middle tier of the ADC taxonomy - faster than integrating ADCs (such as dual-slope), more accurate and lower-noise than flash ADCs at moderate resolution, and well suited to multiplexed multi-channel systems where one ADC serves several sensors. They sit within the broader data-converter family (SAR, sigma-delta, pipeline, dual-slope) used in data acquisition, instrumentation, and process control. Key features include 400 ksps throughput, 4/8 analog input channels selected via on-chip MUX, integrated +2.5V reference (stable over temperature), automatic power-down between conversions for reduced quiescent draw, 2 microsecond wake-up time, parallel byte-wide digital output, and single +5V analog supply operation. The internal reference eliminates an external reference component and minimizes PCB area. Channel flexibility (4 or 8 inputs software-configurable) supports applications requiring multiple sensor readings per scan. The MAX1060 uses an internal charge-redistribution DAC array and precision comparator to implement its SAR conversion. The architecture delivers no-pipeline-delay sampling and inherent single-shot accuracy, making the part suitable for multiplexed systems where channel-to-channel settling must be deterministic. Internal input track-and-hold supports signals up to the Nyquist limit of the 400 ksps sampling rate, and the integrated reference removes drift concerns in cost-sensitive designs. Typical applications include portable and battery-powered data loggers, industrial process-control front ends, multi-sensor instrumentation, patient-monitoring medical devices, and pen-digitizer/tablet digitizing systems. The wide channel count and integrated reference suit any multi-channel 5V analog signal chain. When designing with this device, ensure the analog input range stays within the recommended common-mode window of the +5V supply and that adequate decoupling (typically 0.1 uF plus 10 uF bulk) is placed close to AVDD and DVDD pins. The internal +2.5V reference requires no external bypass but the supply pins do. Power-down mode should be used aggressively between conversions in battery applications to maximize runtime.
MAX1060BEEI+T - 10-Bit 400ksps 8-Ch ADC | Maxim Integrated
The Analog Devices / Maxim Integrated MAX1060BEEI+T is a 400 ksps, 10-bit, 8-/4-channel analog-to-digital converter (ADC) with an integrated +2.5V reference and parallel microprocessor interface, housed in a 28-pin SSOP (QSOP) package. It operates from a single +5V analog supply, draws approximately 1.9 mA in normal operating mode, and includes a hardware power-down mode that reduces supply current to under 10 uA for battery-powered applications. A successive-approximation register (SAR) ADC is a type of data converter that converts an analog input signal into a digital code by iteratively approximating the input voltage against an internal digital-to-analog converter (DAC). SAR ADCs are favored in industrial and instrumentation designs because they offer deterministic latency, no pipeline delay, and excellent DC accuracy at sample rates up to several Msps. The MAX1060 belongs to the SAR ADC -> ADC -> data converter -> mixed-signal IC hierarchy, and within Maxim's portfolio it shares a common architecture with the MAX1062/MAX1063 family. Key features include a true-differential analog input track-and-hold amplifier with 4 MHz full-power bandwidth, an internal +2.5V reference with 50 ppm/°C typical drift, software-configurable unipolar (0 to VREF) or bipolar (±VREF/2) input ranges, and a single +5V analog supply requirement. The integrated reference eliminates the need for an external precision reference, which reduces BOM cost and board area in multi-channel data-acquisition systems. The MAX1060 is typically used in industrial process control, portable instrumentation, and data-logging designs that need simultaneous-sampling-free multichannel conversion with deterministic throughput. Its 400 ksps throughput and 8 single-ended input channels make it suitable for digitizing sensor arrays, multiplexer-front-ended measurement systems, and embedded control loops. When designing with this part, place the supply bypass capacitors as close as possible to the AVDD and DVDD pins and avoid routing digital signals across the analog input traces. The internal reference output (REF) requires a 4.7 uF bypass capacitor for specified noise performance; using a smaller value will degrade SNR. Do not operate below 4.75V without consulting the manufacturer's datasheet because the internal reference regulation may be compromised. This page synthesizes distributor pricing, pin-compatible alternatives, and practical PCB design notes that are not found in the manufacturer datasheet alone. Engineers can use the comparison table and design notes to shorten component-selection cycles and avoid common layout pitfalls.
MAX1067BCEE - 14-Bit 200ksps 4-Ch SAR ADC | Maxim Integrated
The Maxim Integrated MAX1067BCEE is a low-power, multichannel, 14-bit, 200ksps successive-approximation analog-to-digital converter (SAR ADC) in a 16-pin QSOP package. It features four single-ended analog input channels, an integrated +4.096V reference, a reference buffer, an internal oscillator, and an SPI/QSPI/MICROWIRE-compatible serial interface. Operating from a single +5V analog supply and a separate +2.7V to +5.25V digital supply, the MAX1067BCEE delivers 84 dB SINAD and 99 dB SFDR for 1 kHz full-scale input signals. A SAR ADC is a successive-approximation analog-to-digital converter that uses a binary-search algorithm and an internal DAC to convert an analog input to a digital code. SAR ADCs offer deterministic latency, no pipeline delay, excellent DC accuracy, and a balance of speed and power. They sit in the broader hierarchy of: ADC -> data converter -> mixed-signal IC -> semiconductor. The MAX1067BCEE is a representative low-power precision SAR ADC optimized for multiplexed channel scanning. Key features include 4-channel single-ended input multiplexer with scan mode, internal +4.096V reference (60 ppm/°C max drift), low current consumption of 3.0 mA at 200ksps, software-configurable unipolar/bipolar input ranges, and an integrated temperature sensor. The wide 4 MHz full-power bandwidth and 10 kHz full-linear bandwidth make the part suitable for both DC and dynamic measurement tasks. Power-down modes reduce current to 2 µA between conversions for battery-friendly operation. The MAX1067BCEE uses a charge-redistribution DAC with a precision bandgap reference. The internal reference buffer drives the SAR comparator reference node, minimizing external component count. The 4-wire serial interface with active-low CS, SCLK, and DOUT supports daisy-chaining and is directly compatible with common DSP/MCU SPI peripherals. The scan mode automatically sequences conversions across the enabled channels, offloading CPU burden. Typical applications include portable data logging, process control and instrumentation, medical instrumentation, battery-powered monitoring, factory-automation sensor interfaces, and multichannel 4-20 mA loop digitizers. The 4-channel single-ended mux makes it a fit for quad-zone temperature or pressure monitoring where each sensor needs independent conversion and a shared reference. When designing with the MAX1067BCEE, allocate a quiet analog ground plane and decouple AVDD/DVDD with 1 µF and 0.1 µF ceramics as close to the pins as possible. Drive unused analog inputs to AVDD/2 to prevent ESD damage and to avoid the extra supply current caused by floating input protection diodes. This page synthesizes distributor pricing, drop-in alternatives, design notes, and pinout not found on a single manufacturer or distributor product page.
MAX1068AEEG+ - 14-Bit, 200ksps, 8-Ch SAR ADC | Maxim Integrated
The Maxim Integrated (Analog Devices) MAX1068AEEG+ is a low-power, multichannel, 14-bit, 200 ksps successive-approximation analog-to-digital converter (SAR ADC) housed in a 24-pin QSOP package. The device integrates a precision +4.096 V internal reference, a reference buffer, an internal oscillator, automatic power-down, and a high-speed SPI/QSPI/MICROWIRE-compatible serial interface, all in a compact 0.150-inch, 0.250-inch pitch QSOP-24 (MO-137AE) outline. An SAR ADC is a successive-approximation register analog-to-digital converter that uses a binary-search algorithm and an internal capacitive DAC to convert an analog input into a digital code, one bit per clock cycle. The MAX1068AEEG+ belongs to the broader category of data converters (ADC -> SAR ADC -> precision ADC -> mixed-signal IC), serving as the bridge between analog sensors and digital processors in embedded systems. Its 8 single-ended or 4 pseudo-differential analog input channels and integrated front-end reference make it well suited for multiplexed data-acquisition systems. Key features include true 14-bit resolution with no missing codes, 200 ksps throughput, an internal 4.096 V reference, an internal 2.4576 MHz oscillator, automatic power-down between conversions to reduce quiescent current, and an SPI/QSPI/MICROWIRE-compatible serial interface. The device operates from a single +5 V analog supply and a +5 V digital supply, providing excellent noise immunity in mixed-signal environments. The integrated input multiplexer supports 8 single-ended or 4 pseudo-differential input channels, scanned sequentially with on-chip track-and-hold. Architecturally, the MAX1068AEEG+ combines a charge-redistribution capacitive DAC, a high-bandwidth input track-and-hold, a precision bandgap reference, and a digital serial engine in a single die. The integrated +4.096 V reference and reference buffer eliminate the need for an external precision reference and decoupling network, simplifying the analog front-end and reducing board area. Automatic power-down between conversions drops supply current to a few microamps, making the part attractive for battery-powered or power-cycled measurement systems. Typical applications include multichannel data-acquisition systems, industrial process control, portable instrumentation, patient monitoring and medical diagnostics, system monitoring in servers and base stations, and precision sensor interfaces. Designers commonly pair the MAX1068AEEG+ with low-noise op-amps for input buffering and with digital isolators for galvanically isolated industrial links. When designing with this ADC, provide separate analog and digital ground planes joined at a single point near the device, decouple both AVDD and DVDD with 10 uF tantalum and 0.1 uF ceramic capacitors placed as close as possible to the pins, and drive unused analog inputs to a defined mid-supply voltage to prevent crosstalk. The internal reference requires no external bypass, but keeping REF away from noisy digital traces preserves 14-bit linearity. This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing an engineering decision aid beyond the standard product page.
MAX1068AEEG+T - 14-Bit 200ksps Multi-Channel SAR ADC | Maxim Integrated
The Maxim Integrated MAX1068AEEG+T is a 14-bit, 200ksps, multi-channel successive-approximation analog-to-digital converter (SAR ADC) housed in a 24-pin QSOP package. It integrates an analog input multiplexer with up to 8 single-ended or 4 pseudo-differential analog inputs, an on-chip track-and-hold amplifier, a precision reference input, and a high-speed serial interface. The device operates from a single +5V analog supply with low power dissipation suitable for battery-powered and line-powered instrumentation systems. An SAR ADC (Successive Approximation Register Analog-to-Digital Converter) is a type of data acquisition IC that uses a binary-search algorithm against an internal DAC to digitize an analog input one bit per clock cycle. SAR ADCs occupy a middle ground between flash converters (fastest, lowest resolution) and sigma-delta ADCs (highest resolution, lowest speed) and are favored in multi-channel data-acquisition, industrial control, and process-control applications where deterministic latency and 12-16-bit resolution are required. Key features of the MAX1068AEEG+T include a maximum sampling rate of 200 ksps, SINAD of 84 dB (81 dB minimum), SNR of 84 dB, SFDR of 99 dB (86 dB minimum), and a full-power bandwidth of 4 MHz at the -3dB point. The internal digital interface uses SPI/QSPI/MICROWIRE-compatible serial communications, simplifying connection to a wide range of microcontrollers, DSPs, and FPGAs. The 24-pin QSOP footprint provides a compact 0.154 inch body width with gull-wing leads, ideal for high-density board designs. Architecturally, the device combines a capacitive-DAC-based SAR core, a low-noise input track-and-hold, an 8-channel analog input multiplexer, and an integrated reference buffer. The MAX1068AEEG+T accepts an external +4.096V reference voltage and offers hardware- or software-controlled channel selection. The combination of 200ksps throughput, 14-bit resolution, and integrated input mux makes it a strong fit for cost-sensitive multi-channel data-acquisition systems where PCB area is at a premium. Typical applications include industrial process control, multi-channel data loggers, portable battery-powered instrumentation, sensor signal conditioning front ends, patient monitoring equipment, and programmable logic controller (PLC) analog input modules. The wide input range and low power also support handheld test equipment and medical instrumentation front ends. When designing with this device, ensure the external +4.096V reference is well bypassed with a low-ESR capacitor placed close to the REF pin, and that the analog input traces are guarded against digital switching noise. The QSOP-24 package has a thermal resistance of approximately 80 C/W and operates over the industrial 0C to +70C temperature range. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical layout guidance that goes beyond the manufacturer datasheet alone.
MAX1068CCEG+ - 14-Bit 200ksps 4Ch SAR ADC | Maxim Integrated
The Maxim Integrated MAX1068CCEG+ is a low-power, multichannel, 14-bit, 200 ksps successive-approximation analog-to-digital converter (ADC) housed in a 24-pin QSOP package. According to the Maxim datasheet, it integrates a precision +4.096 V reference, a reference buffer, an internal oscillator, automatic power-down, and a high-speed SPI/QSPI/MICROWIRE-compatible serial interface, enabling a complete 4-channel data-acquisition front end in a single 5 mm x 4 mm IC. The device accepts single-ended analog inputs across 4 channels and operates from a single +5 V analog supply with a digital supply range compatible with 1.8 V to 5 V logic. A successive-approximation register (SAR) ADC is a precision converter architecture that uses a binary-search algorithm combined with an internal sample-and-hold and a precision comparator. SAR ADCs deliver deterministic latency, no pipeline delay, and excellent DC accuracy, making them the preferred choice for multiplexed multi-channel data acquisition, industrial process control loops, and precision instrumentation where small signal levels and low noise are required. The MAX1067/MAX1068 family sits at the entry-tier of high-performance SAR ADCs, occupying the niche between microcontrollers' internal ADCs and dedicated high-speed pipeline converters. Key features of the MAX1068CCEG+ include true 14-bit resolution with no missing codes, 200 ksps aggregate throughput, integrated +4.096 V reference, software-configurable unipolar/bipolar input ranges, automatic channel scanning, and an automatic power-down mode that reduces supply current to microampere levels between conversions. The internal oscillator eliminates the need for an external clock, and the dedicated reference buffer preserves the +4.096 V reference accuracy even when driving the converter core at full speed. Typical applications include multichannel analog input modules in PLCs and DCS systems, portable industrial data loggers, isolated front ends for sensor arrays (thermocouples, RTDs, strain gauges, pressure transducers), patient monitoring instrumentation, weigh scales, and general-purpose 4-channel data-acquisition boards. The wide operating temperature range and small QSOP-24 footprint suit densely populated backplanes and battery-powered portable instruments. When designing with the MAX1068CCEG+, place the +5 V supply decoupling network (10 uF bulk plus 0.1 uF ceramic) within 5 mm of the AVDD pin and keep the analog/digital ground returns separated under a star-ground topology. The internal reference is sufficient for 14-bit performance, but applications that require 1 LSB absolute accuracy across the full -40 C to +85 C range should consider an external reference.
MAX1069AEUD+ - 14-Bit 58.6ksps 2-Wire Serial ADC | Maxim
The Maxim Integrated (now Analog Devices) MAX1069AEUD+ is a low-power, 14-bit, 58.6 ksps successive-approximation register (SAR) analog-to-digital converter (ADC) housed in a 14-pin TSSOP package. It features a 2-wire I2C-compatible serial interface, an internal 4.096 V reference, and four address-select inputs (ADD0-ADD3) that allow up to 16 MAX1069 devices to share a single bus. The device operates from a 4.75 V to 5.25 V analog supply, with a separate digital supply range of 2.7 V to 5.25 V for flexible logic-level interfacing. What is a SAR ADC? A successive-approximation register analog-to-digital converter is a type of data converter that uses a binary-search algorithm against an internal DAC to resolve an analog input to N bits in N clock cycles. SAR ADCs offer an attractive trade-off between sample rate (typically 1 ksps to 1 Msps), resolution (8 to 20 bits), power consumption, and latency, making them the workhorse of mid-speed precision measurement applications where single-shot or burst conversions are needed. They sit in the broader hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor. Key features of the MAX1069AEUD+ include automatic power-down between conversions (reducing supply current to microampere levels), an on-chip 4 MHz oscillator, software-configurable unipolar/bipolar input ranges, and an internal or external reference option. The 14-pin TSSOP footprint is pin-compatible with the higher-resolution 16-bit MAX1169 family, allowing easy migration when system SNR requirements grow. The MAX1069 architecture combines a capacitive-DAC SAR core with an input track-and-hold, a comparator, and a sequencer. The internal 4.096 V reference provides approximately 1 LSB = 250 uV at full-scale, while the wide digital supply range permits direct connection to 3 V or 5 V microcontrollers without level shifters. This combination is well suited to portable instrumentation, medical monitors, and solar-powered remote sensor nodes where both precision and low quiescent current are required. Typical applications include handheld portable instruments, medical instrumentation, battery-powered test equipment, solar-powered remote systems, received-signal-strength indicators (RSSI) for RF links, and system supervision in industrial control. Designers should note that decoupling the analog and digital supplies with separate 0.1 uF + 10 uF capacitors is essential, and the I2C address is set by hard-wiring ADD0-ADD3 to GND or VDD before power-up. This page synthesizes distributor stock, drop-in pin-compatible alternatives, and practical layout notes that are not present in the bare datasheet, giving engineers a single decision-ready reference for the MAX1069AEUD+.
MAX1069AEUD+T - 14-Bit 58.6ksps I2C SAR ADC | Analog Devices
The Analog Devices (formerly Maxim Integrated) MAX1069AEUD+T is a low-power, 14-bit, 58.6 ksps successive-approximation analog-to-digital converter (SAR ADC) in a 14-pin TSSOP package with automatic power-down, an on-chip 4 MHz clock, a +4.096 V internal reference, and an I2C-compatible 2-wire serial interface supporting both fast-mode (400 kHz) and high-speed-mode (1.7 MHz) operation. A SAR ADC is a successive-approximation-register analog-to-digital converter: a sample-and-hold captures the input, an internal DAC and comparator walk through each bit from MSB to LSB in one clock cycle per bit, and the digital result is latched out. SAR ADCs are valued for deterministic latency, low latency, no pipeline delay, and excellent DC accuracy. As a data converter, this device belongs to the broader hierarchy: ADC -> data converter -> signal chain IC -> mixed-signal semiconductor. Key features include 14-bit resolution, 58.6 ksps sampling rate, single +2.7 V to +5.25 V analog supply, a 4.096 V internal reference, four address-select pins (ADD0-ADD3) that allow up to 16 MAX1069 devices on the same I2C bus, automatic power-down between conversions to minimize current draw, and an I2C/SMBus-compatible 2-wire serial interface. The TSSOP-14 footprint is one of the most common small-outline surface-mount packages in the TSSOP family of thin-shrink small-outline packages. The architecture combines a capacitive-charge redistribution DAC with an on-chip clock and reference, eliminating most external components. Power-down currents drop to the sub-microamp region between conversions, making the part well suited to duty-cycled or battery-aware designs where the MCU wakes, takes a reading, and sleeps. Typical applications include handheld portable instrumentation, medical instruments, battery-powered test equipment, solar-powered remote systems, received-signal-strength indicators (RSSI), and system supervision. Designers usually select the MAX1069AEUD+T when they need a small, low-power, 14-bit accurate ADC with an easy I2C interface and multi-drop addressing on a tightly board-constrained PCB. When designing, observe the analog/digital supply decoupling guidance in the manufacturer datasheet, place the reference bypass capacitor close to REF, and keep the analog input traces short and guarded. Avoid driving the analog input beyond the supply rails to prevent ESD latch-up, and respect the maximum I2C clock rate of the chosen bus mode. This page combines distributor pricing, drop-in pin-compatible alternatives, and practical design notes curated from the manufacturer datasheet, going beyond what the datasheet alone provides.
MAX1070CTC+ - 1.5Msps 10-Bit Differential ADC | Analog Devices
The Analog Devices MAX1070CTC+ is a 1.5Msps, single-supply, low-power, true-differential, 10-bit analog-to-digital converter (ADC) with serial output, housed in a 12-pin TQFN package. It operates from a single +5V analog supply and a separate +2.7V to +5.25V digital supply, making it suitable for mixed-signal boards where the digital logic runs from a lower rail than the analog front end. A Successive Approximation Register (SAR) ADC is a converter architecture that resolves each digital code one bit at a time using an internal precision DAC and a comparator, trading raw speed for very low power dissipation and inherent latency determinism. Within the broader product hierarchy, SAR ADCs sit under the ADC IC family, which itself is a sub-category of data converters and ultimately of mixed-signal / power-management semiconductor ICs. The MAX1070's 1.5Msps throughput, true-differential analog inputs and SPI/QSPI/MICROWIRE-compatible serial interface place it firmly in the mid-speed, low-power tier of this hierarchy, between precision 16-/18-bit converters and kilosample-per-second delta-sigma converters. Key features include true-differential analog inputs for better common-mode noise rejection, a high-impedance analog input stage with ±VREF input range, internal +2.5V reference, an external reference option, and a power-down mode that drops supply current to a few microamps between conversions. The serial interface eliminates parallel digital bus noise on the PCB and allows the device to be used with virtually any microcontroller or FPGA. Built-in track-and-hold and a wide ±0.5 LBN INL/DNL specification deliver predictable linearity for closed-loop control loops. Typical applications include motor-control current/voltage sensing, industrial process-control analog front ends, portable instrumentation with battery-saving power-down sequencing, and optical/sensor signal conditioning. The MAX1070's low quiescent current and small TQFN footprint suit it particularly to space-constrained or thermally sensitive embedded designs. Designers should observe the analog and digital ground separation recommended in the manufacturer datasheet and place the decoupling capacitor as close as possible to the supply pins.
MAX1070CTC+T - 1.5Msps 10-Bit SAR ADC | Analog Devices/Maxim
The Analog Devices (formerly Maxim Integrated) MAX1070CTC+T is a 1.5Msps, single-supply, low-power, true-differential, 10-bit successive-approximation analog-to-digital converter (ADC) housed in a 12-pin WQFN (HVQCCN) package. It operates from a single 2.7V to 3.6V analog supply and supports true-differential analog inputs, with throughput up to 1.5 million samples per second over an SPI-/QSPI-/MICROWIRE-compatible serial interface. The integrated 2.5V on-chip reference and low 3.2mA (typ) operating current make it attractive for power-constrained data-acquisition designs. What is a SAR ADC? A successive-approximation-register analog-to-digital converter is a sampled-data ADC class that uses a binary-search algorithm against an internal DAC to resolve each conversion in N clock cycles (N = resolution in bits). SAR ADCs sit in the broader hierarchy ADC -> data converter -> mixed-signal IC -> semiconductor, and are favored over delta-sigma and pipeline ADCs for multiplexed-channel, low-latency, medium-resolution (8-16 bit) applications because they require no digital filtering and offer deterministic latency. Key differentiating features of the MAX1070CTC+T include the true-differential input architecture (rejecting common-mode noise in industrial environments), an integrated 2.5V internal reference (eliminating an external reference IC and saving board area), a hardware/software shutdown pin that reduces supply current to ~1µA between bursts, and a 10MHz SPI-compatible serial interface that minimizes pin count and simplifies optocoupling to isolated controllers. The 12-pin WQFN (HVQCCN, 4x4 mm) footprint is thermally efficient and suitable for hand-solderable QFN replacement in low-volume designs. The T suffix denotes tape-and-reel packaging for high-volume SMT assembly. Typical applications include industrial process-control loops (4-20mA sensor digitization), portable instrumentation and battery-powered data loggers, multichannel data-acquisition (DAQ) systems, optical-module monitoring, and ultrasound or vibration front-ends where the differential input improves rejection of ground-bounce and motor noise. When designing with this part, place 0.1µF bypass capacitors as close as possible to AVDD and DVDD, and add a 10µF bulk tantalum on AVDD. The internal reference noise is typically 2.4mV p-p; for systems requiring lower noise, override REF with an external 2.5V reference such as the MAX6143. The shutdown pin (SHDN) can be driven from a logic output or tied high for always-on operation. This page aggregates distributor pricing, pin-compatible drop-in alternates, and practical layout notes not bundled in the manufacturer datasheet alone.
MAX1070ETC+ - 1.5Msps 10-Bit Differential ADC | Maxim Integrated
The Maxim Integrated (Analog Devices) MAX1070ETC+ is a 1.5Msps, single-supply, low-power, true-differential, 10-bit analog-to-digital converter (ADC) housed in a 12-pin TQFN-EP package. The serial-output SAR architecture delivers 1.5Msps conversion rate while consuming low power, and the true-differential analog inputs simplify signal conditioning in noisy industrial environments. What is a SAR ADC? A successive-approximation-register (SAR) ADC is a type of analog-to-digital converter that uses a binary search through an internal DAC to converge on the input voltage, producing a digital output word in N conversion clock cycles for an N-bit result. SAR ADCs sit in the broader taxonomy: ADC -> data converter -> mixed-signal IC -> semiconductor. They are valued for their deterministic latency, low power consumption, and excellent DC accuracy compared with delta-sigma or pipeline architectures. The MAX1070ETC+ operates from a single +3V supply and accepts true-differential analog inputs, making it well-suited for rejecting common-mode noise in motor-control, instrumentation, and sensor-signal applications. Key differentiating specifications include the 1.5Msps sampling rate, true-differential input architecture, low power consumption, and a compact 12-pin TQFN-EP package with an exposed thermal pad for improved thermal performance. The MAX1070ETC+ uses a successive-approximation-register (SAR) core with an internal track/hold, input multiplexer, and high-speed serial interface. The device accepts true-differential analog inputs that simplify direct connection to bridge sensors, thermocouples, and current-shunt amplifiers without external signal-conditioning op-amps. Typical applications include industrial process control, motor control and feedback loops, portable instrumentation, data acquisition systems, and sensor signal chains. The 1.5Msps throughput enables oversampling for averaging or digital filtering of low-frequency signals. When designing with this ADC, ensure the serial clock (SCLK) timing meets the datasheet setup-and-hold requirements. Place a 0.1uF bypass capacitor close to the supply pin and follow PCB layout guidelines to minimize digital-feedthrough coupling into the analog inputs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
MAX1070ETC+T - 1.5Msps 10-Bit True-Diff ADC | Maxim Integrated
The Maxim Integrated MAX1070ETC+T is a 1.5Msps, single-supply, low-power, true-differential, 10-bit analog-to-digital converter (ADC) with serial output, housed in a 12-pin TQFN-EP package. It operates from a single +3V analog supply (2.7V to 3.6V) and a separate 1.8V to 3.6V digital supply, supports true-differential analog inputs, and is specified over the -40C to +85C industrial temperature range. An ADC (Analog-to-Digital Converter) is a data-conversion integrated circuit that samples continuous analog signals and translates them into discrete binary codes for digital processing. Within the broader semiconductor taxonomy, the MAX1070 sits in the hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor. The MAX1070 family uses a successive-approximation-register (SAR) architecture with an integrated track/hold amplifier, an internal bandgap reference, and a high-speed serial interface, achieving up to 1.5Msps throughput while drawing only milliwatts of power. This makes it a member of the precision-converter category targeting low-power, space-constrained applications. Key features include a maximum sampling rate of 1.5Msps, true-differential analog inputs for superior common-mode noise rejection, an internal +2.5V reference (with external-reference option), a low-voltage SPITM/QSPITM/MICROWIRE-compatible serial interface, and an external shutdown input that reduces supply current to microampere levels. The device also supports bipolar analog input ranges when driven differentially around the common-mode voltage, and operates over the full -40C to +85C industrial temperature range. The MAX1070 is built on a BiCMOS process that combines low-noise CMOS analog signal paths with high-speed bipolar switching for the SAR logic and serial interface. The track/hold amplifier supports input bandwidths well above Nyquist for the 1.5Msps rate, and the differential input stage rejects common-mode noise from motors, switching power supplies, and long PCB traces. Typical applications include portable instrumentation, pen digitizers and tablets, battery-powered data loggers, isolated industrial sensor front-ends, and high-speed process-control loops. The wide input common-mode range allows direct connection to bridge sensors, thermocouple amplifiers, and current-sense amplifiers without additional signal conditioning. When designing with this device, provide a clean analog ground plane and decouple AVDD and DVDD with separate 0.1uF and 10uF ceramic capacitors placed as close as possible to the supply pins. The serial interface timing budget must respect the tACQ and tCONV specifications referenced in the manufacturer datasheet to avoid conversion errors at full speed. This page synthesizes distributor pricing, drop-in same-package alternatives, and application guidance for engineers selecting a 10-bit 1.5Msps differential ADC in a 12-pin TQFN.
MAX1071CTC+T - 1.5Msps 10-Bit Differential SAR ADC | Analog Devices
The Analog Devices (formerly Maxim Integrated) MAX1071CTC+T is a 1.5Msps, single-supply, low-power, true-differential, 10-bit successive-approximation analog-to-digital converter (SAR ADC) housed in a 12-pin TQFN (4x4 mm) package with an exposed thermal pad. The part delivers up to 1.5 million samples per second through a high-speed SPI/QSPI/MICROWIRE-compatible serial interface, while drawing only a few milliwatts of power from a single 2.7V to 3.6V analog supply. According to the manufacturer datasheet, the MAX1070 and MAX1071 are pin-compatible family members that differ primarily in resolution (MAX1070 is 12-bit, MAX1071 is 10-bit), giving designers a migration path between precision levels without PCB rework. A successive-approximation ADC is a type of data converter that converts an analog input voltage into a digital code through a binary-search algorithm using an internal DAC and comparator. SAR ADCs sit in the hierarchy: ADC -> data converter -> data acquisition IC -> signal chain IC -> semiconductor. They are favored for applications requiring high accuracy, low latency, and deterministic sampling, which sets them apart from delta-sigma ADCs (higher resolution, slower) and pipeline ADCs (very fast, higher latency). The MAX1071 belongs to the SAR family. Key features include true-differential analog inputs for superior common-mode noise rejection, an internal 2.5V reference (with the option to drive an external reference), an SPITM/QSPI/MICROWIRE-compatible serial interface, and a hardware- or software-controlled shutdown mode that drops supply current to the microampere range between conversions. The 12-pin TQFN package offers a compact 4x4 mm footprint with an exposed pad for low thermal resistance and improved electrical grounding. The +T suffix indicates tape-and-reel packaging for high-volume assembly. From an architecture standpoint, the MAX1071 uses a capacitive-charge-distribution DAC combined with a high-bandwidth comparator and a precision 2.5V bandgap reference. The true-differential input structure allows direct measurement of bridge sensors, thermocouples, and other small differential signals without external instrumentation amplifiers, which simplifies the analog front-end and reduces total BOM cost. Typical applications include industrial process control, data acquisition systems, portable instrumentation, battery-powered sensor monitoring, optical module monitoring, and motor control feedback loops. The differential input architecture also makes it well-suited to medical instrumentation front-ends and sonar/radar intermediate-frequency sampling where ground noise is a concern. A key design consideration is input common-mode voltage and source impedance: the input sampling capacitors require adequate settling time, so place a low-impedance buffer or anti-alias RC network immediately ahead of AIN+ and AIN-. For best linearity, drive REF+ directly from a low-noise reference source and decouple REF- to analog ground with a 0.1uF ceramic capacitor placed within a few millimeters of the pin. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers choose and qualify the MAX1071CTC+T with confidence.
MAX1076CTC+T - 10-Bit 1.8Msps SAR ADC, True-Diff, 12-TQFN | Maxim
The Maxim Integrated (Analog Devices) MAX1076CTC+T is a 10-bit, 1.8Msps, single-supply, low-power, true-differential, successive-approximation analog-to-digital converter (SAR ADC) with an internal reference, housed in a 12-pin TQFN (4x4 mm) package. The MAX1076/MAX1078 family combines a 1.8 Msps sample rate with true-differential inputs and an integrated precision reference, eliminating the need for an external reference in most designs. The +T suffix indicates Tape & Reel packaging per Maxim/Analog Devices ordering convention. An SAR (Successive Approximation Register) ADC is a type of analog-to-digital converter that performs a binary search through successive bit-weights using an internal DAC and a sample-and-hold circuit. SAR ADCs occupy the speed/resolution sweet spot between slow slope converters and high-speed flash ADCs, and are widely used for data acquisition, instrumentation, and process control where 8-16 bits and 100 ksps to several Msps are required. The MAX1076CTC+T belongs to this category, and as a true-differential part it rejects common-mode noise from industrial sensor front-ends - a key advantage in motor control and PLC analog input modules. Key features include a true-differential analog input, internal 2.5 V reference, single 2.7 V to 3.6 V supply operation, SPI/QSPI/MICROWIRE-compatible serial interface, low power consumption, and a hardware shutdown pin for battery-powered systems. The serial-interface architecture minimises pin count to just 12 pins while supporting daisy-chain connection to ADCs sharing the same bus. The MAX1076CTC+T uses a charge-distribution DAC array and an on-chip sample/hold, achieving 10-bit linearity at 1.8 Msps with low integral non-linearity (INL) and differential non-linearity (DNL) suitable for instrumentation and control loops. The internal reference eliminates external reference drift concerns, simplifying BOM cost and board area. Typical applications include portable instrumentation, data acquisition systems, process control loops, medical instrumentation, and battery-powered sensor interfaces. The combination of true-differential input and integrated reference makes the part particularly attractive for industrial 4-20 mA loop receivers and motor-control current-sense paths. When designing with this device, allocate adequate PCB space for the exposed pad (EP) - it must be soldered to the ground plane for thermal dissipation and electrical performance. Use low-ESR ceramic bypass capacitors as recommended by the datasheet and verify the common-mode voltage at the inputs remains within the input common-mode range. This page synthesises distributor pricing, drop-in alternatives, and practical design notes beyond what is shown on the manufacturer datasheet or distributor product listings.
MAX1078CTC+ - 10-Bit 1.8MSPS Differential ADC | Maxim Integrated
The Maxim Integrated MAX1078CTC+ is a 1.8Msps, single-supply, low-power, true-differential, 10-bit analog-to-digital converter (ADC) with an internal reference, housed in a 12-pin TQFN (4x4) package. It is part of the MAX1076/MAX1078 family of high-speed, serial-output ADCs targeting data-acquisition applications where low power, small footprint, and true-differential input capability are essential. An ADC (Analog-to-Digital Converter) is a data-conversion integrated circuit that samples a continuous analog input voltage and produces a discrete digital code representing its magnitude, using successive-approximation or pipeline architectures. The MAX1078 specifically uses a successive-approximation register (SAR) topology, which provides deterministic latency (single conversion cycle) and inherently low power consumption at moderate sample rates - making it well suited to multiplexing between multiple sensor channels in industrial and instrumentation systems. Key differentiating features include a true-differential analog input (rejecting common-mode noise that single-ended ADCs cannot), an internal 2.5V reference (eliminating external reference components and saving board area), a high-speed SPI/QSPI/MICROWIRE-compatible serial interface, and a low 1.8MSPS throughput that oversamples audio and vibration bands. The device operates from a single +2.7V to +3.6V analog supply and a +1.8V to +3.6V digital supply, simplifying power-tree design in 3.3V systems. The MAX1078 employs a switched-capacitor input stage optimized for signals from DC to several hundred kHz, with input bandwidth exceeding 4MHz. Its successive-approximation architecture, charge-redistribution DAC, and on-chip clock generate conversions with no pipeline delay, allowing direct use in closed-loop control or multiplexed data-acquisition front-ends. Typical applications include data-acquisition systems, portable instrumentation, pen-digitizers and tablets, loop-powered industrial transmitters, and vibration / audio monitoring. The wide input common-mode range and integrated reference make the device especially attractive for sensors with ground-referred or remotely-grounded outputs. When designing with the MAX1078, place the 0.1uF and 10uF decoupling capacitors as close as possible to the AVDD/DVDD pins and route the digital SPI lines with reference to a solid ground plane, ideally with series termination to suppress reflections. For best dynamic performance, drive the true-differential inputs (IN+ and IN-) symmetrically and keep input traces length-matched. This page synthesizes distributor pricing, drop-in alternatives, and PCB-level design notes not found in the manufacturer datasheet, enabling faster part selection and schematic entry.
MAX1078CTC+T - 1.8Msps 10-Bit Differential ADC | Maxim Integrated
The Maxim Integrated MAX1078CTC+T is a 1.8 Msps, single-supply, low-power, true-differential, 10-bit analog-to-digital converter (ADC) with an internal reference, housed in a 12-pin TQFN-EP package. The part is a high-speed, serial-output successive-approximation ADC designed for low-power applications, offering a fully differential input stage with bipolar input range capability when used with external resistors. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that converts continuous analog voltages into discrete digital codes. The MAX1078 belongs to the successive-approximation register (SAR) ADC family, which uses a binary-search algorithm with an internal DAC to compare the input against successive reference voltages, settling in N clock cycles for an N-bit resolution. SAR ADCs are prized for their deterministic latency, low power consumption, and ease of use in multiplexed data-acquisition systems. Key features of the MAX1078CTC+T include a 1.8 Msps maximum sampling rate, true-differential analog inputs capable of unipolar (0 to VREF) or bipolar (±VREF) operation, an internal 2.5 V precision reference, an external clock input, and a SPITM/QSPITM/MICROWIRETM-compatible serial interface. The device operates from a single +2.7 V to +3.6 V analog supply and draws a low quiescent current, making it suitable for battery-powered and portable instrumentation. The MAX1078 employs a charge-distribution DAC architecture with an input track-and-hold, achieving excellent dynamic performance at high sampling rates. The internal reference eliminates the need for an external reference IC, reducing BOM cost and PCB area. Hardware and software shutdown modes reduce supply current to <1 µA between conversions for further power savings in duty-cycled applications. Typical applications include portable instrumentation, data-acquisition systems, process-control monitoring, and digital sensor signal conditioning. The wide 2.7 V to 3.6 V supply range and small TQFN-12 footprint also suit space-constrained medical and industrial modules. When designing with the MAX1078, place the 0.1 µF and 10 µF decoupling capacitors as close as possible to the AVDD and DVDD pins and route the analog and digital ground planes separately, joining them at a single point beneath the exposed pad. The internal reference is bypassed with a 1 µF capacitor on REF. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design guidance drawn directly from the manufacturer datasheet and Maxim Integrated application notes, giving engineers a one-stop reference that complements the official product documentation.
MAX1079CTC+ - 10-Bit 1.5Msps Differential ADC | Maxim Integrated
The Analog Devices / Maxim Integrated MAX1079CTC+ is a 1.5Msps, single-supply, low-power, true-differential, 10-bit analog-to-digital converter (ADC) with internal reference, housed in a 12-pin TQFN (HVQCCN) package. It operates from a +2.7V to +3.6V analog supply and a +1.8V to AVDD digital supply, supporting true-differential analog inputs for high-noise-immunity signal acquisition. An analog-to-digital converter (ADC) is a data acquisition component that converts continuous analog signals into discrete digital codes, forming the front-end of nearly every measurement, instrumentation, and sensor-interface system. Successive-approximation register (SAR) ADCs like the MAX1079 balance speed and resolution for multiplexed industrial channels. In the broader taxonomy, the MAX1079 sits under ADC -> data converter -> signal chain IC -> semiconductor. Key features include a 1.5Msps sampling rate, 10-bit resolution with no missing codes, a true-differential analog input with ±VREF common-mode range, an internal +2.5V precision reference, and SPI/QSPI/MICROWIRE-compatible serial interface. The part also offers an external reference option for applications requiring ratiometric measurements, plus a low-power shutdown mode that reduces supply current to < 1 µA for battery-powered designs. The MAX1079 uses a charge-redistribution SAR architecture with an input T/H, achieving excellent AC and DC performance at low power. A dedicated REF pin allows either the internal 2.5V reference or an external reference, giving designers flexibility between absolute and ratiometric conversions. The serial interface shifts out data MSB-first, simplifying firmware on most microcontrollers. Typical applications include industrial process control, data acquisition systems, portable instrumentation, medical instrumentation, and sensor signal conditioning. The wide input common-mode range makes it ideal for bridge sensors and thermocouple interfaces where ground offsets are common. When designing with this device, decouple AVDD and DVDD close to the IC with 0.1µF ceramic capacitors, and add a 10µF bulk capacitor at the supply pins. Maintain a clean analog ground return; digital return currents must not cross the analog ground plane under the ADC. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
MAX1079CTC+T - 1.5Msps 10-Bit Diff ADC, Internal Ref | Maxim
The Maxim Integrated MAX1079CTC+T is a 1.5Msps, single-supply, low-power, true-differential, 10-bit analog-to-digital converter (ADC) with an internal reference, packaged in a 12-pin WQFN (HVQCCN, 4x4 mm) with exposed thermal pad. According to the Maxim datasheet (datasheet identified by DigChip data ID 3279617), the MAX1077/MAX1079 family uses a successive-approximation architecture with a serial SPI/QSPI/MICROWIRE-compatible interface, operates from a single 2.7V to 3.6V analog supply, and dissipates a maximum of approximately 1.8 mA at 1.5 Msps full throughput. An ADC (analog-to-digital converter) is a data-acquisition integrated circuit that converts a continuous analog input voltage into a discrete N-bit binary code. Successive-approximation ADCs use an internal DAC and comparator to binary-search the input, trading off conversion speed against area and power. The MAX1079 sits in the broader hierarchy: ADC -> data converter -> data converter IC -> signal-chain IC -> semiconductor. Within Maxim's portfolio it belongs to the low-power, high-speed, serial-interface 10-bit SAR family. Key features of the MAX1079CTC+T include true-differential analog inputs (rejecting common-mode noise), an internal 2.5V reference (eliminating an external reference IC and saving board space), automatic shutdown between conversions for battery savings, and a small 4x4 mm WQFN-12 footprint suited to space-constrained PCBs. The MAX1079 differs from MAX1077 by offering 225ksps minimum throughput at the slower part number and 1.5Msps on the MAX1079. Architecturally, the device integrates an input track-and-hold, a charge-redistribution SAR core, an internal 2.5V bandgap reference, and a serial interface block. The internal reference eliminates external reference drift errors, while the true-differential input allows direct connection to bridge sensors, thermocouples via instrumentation amplifiers, and differential signal chains without an external differential amplifier in many cases. Typical applications include portable data acquisition, industrial process control loop monitoring, battery-powered instrumentation, medical sensor front ends, optical-module monitoring, and consumer audio level meters. The MAX1079 is particularly suited to systems that need more than 225 ksps but are power-sensitive on battery power. When designing with the MAX1079CTC+T, ensure the analog supply is well decoupled (1 uF + 0.1 uF) and that the exposed pad is soldered to a ground pour to provide a low-impedance thermal and electrical return. The serial-interface timing budget must respect the 1.5 Msps maximum fSAMPLE; higher SPI clock rates will not increase throughput beyond the converter's intrinsic limit. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond what is published in the manufacturer datasheet.
MAX1080BCUP+ - 400ksps 10-Bit 8-Ch Serial ADC | Maxim Integrated
The Maxim Integrated MAX1080BCUP+ is a 400 ksps, single-supply, low-power, 8-channel, 10-bit successive-approximation analog-to-digital converter (SAR ADC) with an internal reference, high-bandwidth track/hold, and SPI/QSPI/MICROWIRE-compatible serial interface, housed in a 20-pin TSSOP package. What is a SAR ADC? A successive-approximation-register analog-to-digital converter is a type of data converter that uses a binary-search algorithm against an internal DAC to digitize an analog input, one bit per clock cycle. SAR ADCs occupy the middle ground between flash converters (fastest, lowest resolution) and sigma-delta converters (slowest, highest resolution), making them the workhorse choice for 8- to 16-bit, 100 ksps to 1 Msps general-purpose data-acquisition systems. The MAX1080 combines an 8-channel input multiplexer with a single ADC, allowing eight single-ended or four pseudo-differential analog inputs to be sampled sequentially. Key specifications include 400 ksps maximum sampling rate (300 ksps in some modes), single 4.5V to 5.5V analog supply, low 2.5 mA operating supply current, and an internal 2.5V reference. The TSSOP-20 (CUP) package saves board space while the serial interface reduces pin count versus parallel ADCs of the same generation. Internally, the MAX1080 uses a capacitive-charge-distribution DAC with input track/hold, an on-chip clock generator, and a serial-output shift register. The architecture delivers 10-bit no-missing-code performance with excellent dynamic range for its power class, and the internal reference eliminates the need for an external precision reference component. Typical applications include portable data loggers, system health monitoring, six-channel data acquisition front-ends, industrial process control loops, and battery-powered instrumentation. The wide analog input range (0 to VREF or 0 to 2xVREF in software-configurable modes) and low power make it especially suitable for multichannel embedded sensor reading. When designing with this device, ensure input RC antialiasing components are matched to the channel acquisition time; the multiplexer settling time limits high-impedance source accuracy. Always provide a clean analog ground separate from digital return paths to avoid code-dependent noise. This page synthesizes distributor pricing, drop-in equivalents, and practical design notes not found in the standalone Maxim datasheet.
MAX1081BCUP - 10-Bit 300/400ksps 8-CH Serial ADC | Maxim Integrated
The Maxim Integrated MAX1081BCUP is a 10-bit, 8-channel, single-supply successive-approximation analog-to-digital converter (SAR ADC) that integrates an 8-input multiplexer, a high-bandwidth track/hold amplifier, an internal +2.5V reference, and an SPI/QSPI/MICROWIRE-compatible serial port. Housed in a 20-pin TSSOP package, it achieves up to 400 ksps throughput on a single +2.7V to +3.6V supply while consuming only 2.5 mA typical operating current. An SAR ADC is a successive-approximation register analog-to-digital converter - a category of data converter that uses a binary-search algorithm and an internal DAC to digitize an analog input one bit at a time per clock cycle. SAR ADCs occupy a middle position in the data-converter hierarchy between flash ADCs (fastest, lowest resolution) and sigma-delta ADCs (highest resolution, slowest). They deliver an excellent trade-off between speed, resolution, and power, which is why they dominate multi-channel, low-power embedded acquisition tasks. Key features include software-configurable analog inputs (unipolar/bipolar, single-ended/differential), four software-selectable power modes (normal, REDP, FASTPD, FULLPD), a hardware active-low SHDN pin, and automatic shutdown at the end of conversion to minimize battery drain. Internal +2.5V reference eliminates the need for an external reference in many designs, while analog inputs accept 0V-to-VREF or +/- VREF rails. The device combines a high-bandwidth track/hold (T/H) front-end that supports signals well beyond the Nyquist limit of its 400 ksps maximum sampling rate, ensuring accurate acquisition of fast transients. Its serial interface is SPI/QSPI/MICROWIRE-compatible, allowing direct connection to most microcontrollers and DSPs without glue logic. Typical applications include portable data acquisition, battery-powered instrumentation, multichannel sensor monitoring, process control, patient monitoring, and pen digitizers. The 8-channel input mux makes it well-suited for systems that must digitize multiple analog sources with one ADC. When designing with this part, place a 0.1uF bypass cap within 5 mm of VDD/REF pins and route analog and digital grounds separately back to a star ground to preserve the 10-bit linearity. AutoShutdown between conversions drops supply current to sub-microamp levels, so firmware should explicitly wake the part before each conversion burst. This page consolidates distributor stock, datasheet links, drop-in TSSOP-20 alternatives, and practical layout guidance not found on a single manufacturer page.