4T4R Direct RF Receiver and Transmitter Features: Flexible, reconfigurable radio common platform design Transmitter/receiver channel bandwidth up to 1.2 GHz (4T4R) RF DAC/RF ADC RF frequency range up to 7.5 GHz On-chip PLL with multichip synchronization External RF clock input option Versatile digital features Selectable interpolation and decimation filters Configurable DDCs and DUCs 8 fine complex DUCs (FDUC) and 4 coarse complex DUCs (CDUC) 8 fine complex DDCs (FDDC) and 4 coarse complex DDCs (CDDC) FDUCs and FDDCs are fully bypassable 2 independent 48-bit NCOs per DUC or DDC Programmable 192-tap PFIR filter for receive equalization Supports 4 different profile settings loaded via GPIO Receive AGC support Fast detect with low latency for fast AGC control Signal monitor for slow AGC control Dedicated AGC support pins Transmit DPD support Programmable delay and gain per transmit data path Coarse DDC delay adjust for DPD observation path Supports real or complex digital data (8-, 12-, or 16-bit) Auxiliary features ADC clock driver with selectable divide ratios Power amplifier downstream protection circuitry On-chip temperature monitoring unit Programmable GPIO pins support toggling between modes TDD power savings option and sharing ADCs SERDES JESD204B or JESD204C interface, 16 lanes up to 24.75 Gbps 8 lanes JESD204B/C transmitter (JTx) and 8 lanes JESD204B/C receiver (JRx) Supports Subclass 1 Supports multidevice synchronization 15 mm × 15 mm, 324-ball BGA with 0.8 mm pitch

LC2MOS 15 V 4 Channel High Performance Analog Multiplexer Features: 44 V supply maximum ratings VSS to VDD analog signal range Low on resistance (100 Ω maximum) Low power (ISUPPLY < 75 µA) Fast switching Break-before-make switching action Plug-in replacement for DG408

Fault Protection, 6 RON, SPST Switch with 0.6 k Feedback Channel Features: Analog output protection and detection solution Overvoltage protection up to 60 V on S and SFB pins Power off protection up to 60 V on S and SFB pins Integrated 0.6 k secondary feedback channel Known output under all conditions User enabled, power-on condition pulls source to 0 V Known state without digital inputs present Latch-up immune Optimized resistance for measurement channel and feedback channel Low on resistance of 6 typical on signal channel Ultraflat, on resistance on signal channel 3 mm 2 mm LFCS VSS to VDD 2 V signal range Fully specified at ±15 V, ±20 V, +12 V, and +36 V ±5 V to ±22 V dual supply operation 8 V to 44 V single-supply operation

CMOS, 2.5 Low Voltage Differential 8 Channel Multiplexer Features: +1.8 V to +5.5 V single supply ±2.5 V dual supply 2.5 ON resistance 0.5 ON resistance flatness 100 pA leakage currents 40 ns switching times Differential 8-to-1 multiplexer 28-lead TSSOP package Low-power consumption TTL/CMOS-compatible inputs

10 MHz, G = 1, 10, 100, 1000 iCMOS Programmable Gain Instrumentation Amplifier Features: Small package: 10-lead MSOP Programmable gains: 1, 10, 100, 1000 Digital or pin-programmable gain setting Wide supply: ±5 V to ±15 V Excellent dc performance High CMRR: 100 dB (minimum), G = 100 Low gain drift: 10 ppm/°C (maximum) Low offset drift: 1.2 µV/°C (maximum), G = 1000 See data sheet for additional features

Digitally Programmable Sensor Signal Amplifier with EMI Filters Features: EMI filters at input pins Specified from −40°C to +140°C Low offset voltage: 10 μV maximum Low input offset voltage drift: 65 nV/°C maximum High CMRR: 94 dB minimum Digitally programmable gain and output offset voltage Programmable output clamp voltage Open and short wire fault detection Low-pass filtering Single-wire serial interface Stable with any capacitive load SOIC_N and LFCSP_VQ packages 4.5 V to 5.5 V operation

Low Input Bias Current, Wide BW JFET Precision Dual Op Amp Features: Low Noise 6 nV/√Hz Low Offset Voltage: 100 µV Max Low Input Bias Current 10 pA Max Fast Settling: 600 ns to 0.01% Low Distortion Unity Gain Stable No Phase Reversal Dual-Supply Operation: ±5 V to ±13 V

Quad,12-Bit nanoDAC with 5ppm/C On-Chip Reference Features: Low power, smallest pin-compatible, quad nanoDACs  AD5664R: 16 bits AD5644R: 14 bits AD5624R: 12 bits User selectable external or internal reference External reference default On-chip 1.25 V/2.5 V, 5 ppm/°C reference 10-lead MSOP; 10-lead, 3 mm × 3 mm LFCSP_WD; and 12-ball, 1.665 mm × 2.245 mm WLCSP 2.7 V to 5.5 V power supply Guaranteed monotonic by design Power-on reset to zero scale Per channel power-down Serial interface, up to 50 MHz

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

4-Channel, I2C, Ultralow Power 12-Bit ADC in 20-Lead LFCSP/TSSOP Features: I2C-compatible serial interface supports standard and fast modes Ultralow power: 90 μW typical at 3 V in fast mode Specified for VDD of 2.7 V to 5.25 V On-chip accurate 2.5 V reference, 5 ppm/°C typical drift 4 single-ended analog input channels ALERT function BUSY function Autocycle mode Wide input bandwidth 68 dB signal-to-noise ratio (SNR) typical at input frequency of 1 kHz Flexible power/throughput rate management No pipeline delays Power-down mode 550 nA typical at VDD = 5.25 V 435 nA typical at VDD = 3 V 20-lead LFCSP and TSSOP packages Temperature range: −40°C to +125°C