4-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference Features: Three power modes RMS noise Low power: 24 nV rms at 1.17 SPS, gain = 128 (255 μA typical) Mid power: 20 nV rms at 2.34 SPS, gain = 128 (355 μA typical) Full power: 23 nV rms at 9.4 SPS, gain = 128 (930 μA typical) Up to 22 noise free bits in all power modes (gain = 1) Output data rate Full power: 9.38 SPS to 19,200 SPS Mid power: 2.34 SPS to 4800 SPS Low power: 1.17 SPS to 2400 SPS Rail-to-rail analog inputs for gains > 1 Simultaneous 50 Hz/60 Hz rejection at 25 SPS (single cycle settling) Diagnostic functions (which aid safe integrity level (SIL) certification Crosspoint multiplexed analog inputs 4 differential/7 pseudo differential inputs Programmable gain (1 to 128) Band gap reference with 10 ppm/°C drift maximum (70 μA) Matched programmable excitation currents Internal clock oscillator On-chip bias voltage generator Low-side power switch General-purpose outputs Multiple filter options Internal temperature sensor Self and system calibration Sensor burnout detection Automatic channel sequencer Per channel configuration Power supply: 2.7 V to 3.6 V and ±1.8 V Independent interface power supply Power-down current: 5 μA maximum Temperature range: −40°C to +125°C 32-lead LFCSP/24-lead TSSOP 3-wire or 4-wire serial interface SPI, QSPI, MICROWIRE, and DSP compatible Schmitt trigger on SCLK ESD: 4 kVAD7124-4-EP Supports defense and aerospace applications (AQEC standard) Download AD7124-4-EP Data Sheet (PDF) Full military temperature range: −55°C to +125°C Controlled manufacturing baseline 1 assembly/test site 1 fabrication site Product change notification Qualification data available on request V62/19614

16-Channel, 16-Bit, Serial Input, Voltage-Output DAC Features: 16-channel DAC in 52-lead LQFP package Guaranteed monotonic to 16/14 bits Nominal output voltage range of −10 V to +10 V Multiple output spans available Temperature monitoring function Channel monitoring multiplexer Digital reset (RESET) See Data Sheet for Additional Information

16-Channel, 14-Bit, Serial Input, Voltage-Output DAC Features: 16-channel DAC in 52-lead LQFP package Guaranteed monotonic to 16/14 bits Nominal output voltage range of −10 V to +10 V Multiple output spans available Temperature monitoring function Channel monitoring multiplexer Digital reset (RESET) Clear function to user-defined SIGGNDx GPIO function System calibration function allowing user-programmable offset and gain Channel grouping and addressing features Data error checking feature SPI-compatible serial interface 2.5 V to 5.5 V digital interface Simultaneous update of DAC outputs

Single Channel, 16-Bit, Current Source & Voltage Output DAC, HART Connectivity Features: 16-bit resolution and monotonicity Current output ranges: 4 mA to 20 mA, 0 mA to 20 mA, or 0 mA to 24 mA ±0.01% FSR typical total unadjusted error (TUE) ±3 ppm FSR/°C output drift Voltage output ranges: 0 V to 5 V, 0 V to 10 V, ±5 V, or ±10 V 10% overrange ±0.01% FSR typical TUE ±2 ppm FSR/°C output drift Flexible serial digital interface On-chip output fault detection On-chip reference: 10 ppm/°C maximum Optional regulated DVCC output Asynchronous clear function Power supply range AVDD: 10.8 V to 40 V AVSS: −26.4 V to −3 V/0 V Current loop compliance voltage: AVDD – 2.5 V Temperature range: −40°C to +105°C TSSOP and LFCSP packages

Single Channel, 16-Bit Current/Voltage Output DAC with HART Connectivity Features: 16-bit resolution and monotonicity Current or voltage output available on a single terminal Current output ranges: 0 mA to 20 mA, 4 mA to 20 mA, 0 mA to 24 mA, ±20 mA, ±24 mA, and −1 mA to +22 mA Voltage output ranges (with 20% overrange): 0 V to 5 V, 0 V to 10 V, ±5 V, and ±10 V User programmable offset and gain Advanced on-chip diagnostics, including a 12-bit ADC On-chip reference −40°C to +115°C temperature range 32-Lead, 5 mm × 5 mm LFCSP package

Single, 16-Bit nanoDAC with 5 ppm/C On-Chip Reference Features: Low power, single nanoDAC AD5660: 16 bits 12-Bit Accuracy Guaranteed On-chip, 1.25 V/2.5 V, 5 ppm/°C reference Tiny 8-lead SOT-23/MSOP packages Power-down to 480 nA @ 5 V, 200 nA @ 3 V 3 V/5 V single power supply Guaranteed 16-bit monotonic by design Power-on reset to zero/midscale 3 power-down functions Serial interface with Schmitt-triggered inputs Rail-to-rail operation SYNC interrupt facility

16-Channel, 12-/16-Bit nanoDAC+ with 2 ppm/C Voltage Reference TC, I2C Interface Features: High relative accuracy (INL): ±4 LSB maximum at 16 bits (AD5677R only) TUE: ±0.14% of FSR maximum Offset error: ±1.5 mV maximum Gain error: ±0.06% of FSR maximum Low drift, 2.5 V voltage reference TC: 2 ppm/°C typical 40 mA short-circuit current Wide operating ranges −40°C to +125°C temperature range 2.7 V to 5.5 V power supply range Simplified implementation User selectable gain of 1 or 2 (GAIN pin) 1.8 V logic compatibility 400 kHz I2C-compatible serial interface 28-lead, 4 mm × 4 mm, RoHS compliant LFCSP

5 V 18-Bit nanoDAC in a SOT-23 Features: Single 18-bit nanoDAC 18-bit monotonic 12-bit accuracy guaranteed Tiny 8-lead SOT-23 package Power-on reset to zero scale/midscale 4.5 V to 5.5 V power supply Serial interface Rail-to-rail operation SYNC interrupt facility Temperature range: −40°C to +105°C

Tiny 16-Bit SPI nanoDAC+, with 2 (16-Bit) LSB INL and 2 ppm/C Reference Features: Ultrasmall package: 2 mm × 2 mm, 8-lead LFCSP High relative accuracy (INL): ±2 LSB maximum at 16 bits AD5683R/AD5682R/AD5681R Low drift, 2.5 V reference: 2 ppm/°C typical Selectable span output: 2.5 V or 5 V Total unadjusted error (TUE): 0.06% of FSR maximum Offset error: ±1.5 mV maximum Gain error: ±0.05% of FSR maximum Low glitch: 0.1 nV-sec High drive capability: 20 mA Low power: 1.2 mW at 3.3 V Independent logic supply: 1.62 V logic compatible Wide operating temperature range: −40°C to +105°C Robust 4 kV HBM ESD protection

High Precision, Impedance & Electrochemical Front End Features: Analog input 16-bit ADC with both 800 kSPS and 1.6 MSPS options Voltage, current, and impedance measurement capability Internal and external current and voltage channels Ultralow leakage switch matrix and input mux Input buffers and programmable gain amplifier Voltage DACs Dual output voltage DAC with an output range of 0.2 V to 2.4 V 12-bit VBIAS0 output to bias potentiostat 6-bit VZERO0 output to bias TIA Ultra low power: 1 µA 1 high speed, 12-bit DAC Output range to sensor: ±607 mV Programmable gain amplifier on output with gain settings of 2 and 0.05 Amplifiers, accelerators, and references 1 low power, low noise potentiostat amplifier suitable for potentiostat bias in electrochemical sensing 1 low noise, low power TIA, suitable for measuring sensor current output 50 pA to 3 mA range Programmable load and gain resistors for sensor output Analog hardware accelerators Digital waveform generator Receive filters Complex impedance measurement (DFT) engine 1 high speed TIA to handle wide bandwidth input signals from 0.015 Hz up to 200 kHz Digital waveform generator for generation of sinusoid and trapezoid waveforms 2.5 V and 1.82 V internal reference voltage sources System level power savings Fast power-up and power-down analog blocks for duty cycling Programmable AFE sequencer to minimize workload of host controller 6 kB SRAM to preprogram AFE sequences Ultra low power potentiostat channel: 6.5 µAof current consumption when powered on and all other blocks in hibernate mode Smart sensor synchronization and data collection Cycle accurate control of sensor measurement Sequencer controlled GPIOs On-chip peripherals SPI serial input/output Wake-up timer Interrupt controller Power 2.8 V to 3.6 V supply 1.82 V input/output compliant Power-on reset Hibernate mode with low power DAC and potentiostat amplifier powered up to maintain sensor bias Package and temperature range 3.6 mm × 4.2 mm, 56-ball WLCSP 7 mm × 7 mm, 48-lead LFCSP Fully specified for operating temperature range of −40°C to +85°C AD5940 and AD5941 fully specified for operating temperature range of −40°C to +85°C AD5941W fully specified for operating temperature range of −40°C to +105°C AEC-Q100 qualified for automotive applications