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

Low Cost, Low Power, True RMS-to-DC Converter Features: Converts an ac voltage waveform to a dc voltage and then converts to the true rms, average rectified, or absolute value 200 mV rms full-scale input range (larger inputs with input attenuator) High input impedance: 1012 Ω  Low input bias current: 25 pA maximum High accuracy: ±0.3 mV ± 0.3% of reading RMS conversion with signal crest factors up to 5 Wide power supply range: +2.8 V, −3.2 V to ±16.5 V Low power: 200 μA maximum supply current Buffered voltage output No external trims needed for specified accuracy Related device: the AD737 features a power-down control with standby current of only 25 μA; the dc output voltage is negative and the output impedance is 8 kΩ

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

50 V, 130 kHz, 32.5 A, Robust, Over-The-Top Precision Op Amp Features: Ultrawide common-mode input range: −VS − 0.1 V to −VS + 70 V Wide power supply voltage range: +3 V to +50 V (to ±25 V for PSRR) Low power supply current: 32.5 μA (typical) Low input offset voltage: ±60 μV maximum Low input offset voltage drift: ±1 μV/°C maximum (B grade) Low input voltage noise 6 Hz typical 1/f noise corner 1000 nV p-p typical at 0.1 Hz to 10 Hz GBP: 130 kHz typical for fTEST = 250 Hz Slew rate: 0.1 V/μs typical at ΔVOUT = 4 V Low power supply current shutdown: 20 μA maximum Low input offset current: ±300 pA maximum Large signal voltage gain: 120 dB minimum for ΔVOUT = 3.5 V CMRR: 120 dB minimum at VCM = −0.1 V to +70 V PSRR: 123 dB minimum at VSY = +3 V to ±25 V Input overdrive tolerant with no phase reversal ±2 kV HBM and ±1.25 kV FICDM Wide temperature range: −55°C to +150°C (H grade) Shutdown feature available for single 6-lead TSOT and dual 10-lead LFCSP packages

50 V, 1 MHz, 165 A per Channel, Robust, Over-The-Top, Precision Op Amps Features: Ultrawide common-mode input range: −VS − 0.1 V to −VS + 70 V Wide power supply voltage range: +3 V to +50 V (to ±25 V for PSRR) Low power supply current: 165 μA per channel (typical) Low input offset voltage: ±35 μV maximum Low input offset voltage drift: ±0.5 μV/°C maximum (B grade) Low input voltage noise 1/f noise corner: 6 Hz typical 400 nV p-p typical at 0.1 Hz to 10 Hz 17 nV/√Hz typical at 100 Hz High speed GBP: 1.05 MHz typical for fTEST = 2.5 kHz Slew rate: 0.85 V/μs typical at ΔVOUT = 25 V Low power supply current shutdown: 20 μA maximum Low input offset current: ±700 pA maximum Large signal voltage gain: 126 dB minimum for ΔVOUT = 3.5 V CMRR: 120 dB minimum at VCM = −0.1 V to +70 V PSRR: 123 dB minimum at VSY = +3 V to ±25 V Input overdrive tolerant with no phase reversal ±3 kV HBM and ±1.25 kV FICDM Wide temperature range: −55°C to +150°C (H grade)

50 V, 8 MHz, 1.5 mA per Channel, Robust, Over-The-Top, Precision Op Amps Features: Ultrawide common-mode range: −VS − 0.1 V to −VS + 70 V Wide power supply voltage range: (VSY): +3.15 V to +50 V (±25 V for PSRR) Low supply current: 1.5 mA per channel (typical) Low input offset voltage: ±40 μV maximum Low input offset voltage drift: ±0.4 μV/°C maximum Low voltage noise: 1/f noise corner: 6 Hz typical 150 nV p-p typical at 0.1 Hz to 10 Hz 7 nV/√Hz typical at 100 Hz (en) High speed GBP: 8 MHz typical Slew rate: 5.5 V/μs typical at ΔVOUT = 25 V Low power shutdown: 20 μA maximum Low input bias current: ±10 nA maximum Large signal voltage gain: 120 dB minimum CMRR: 118 dB, minimum PSRR: 123 dB, minimum Input overdrive tolerant with no phase reversal ±2 kV HBM and ±1.25 kV FICDM Wide temperature range: −55°C to +150°C (H grade)

OVP and EMI Protected, Precision, Low Noise and Bias Current Single Op Amp Features: Low offset voltage: 60 μV maximum at 25°C (8-lead and 14-lead SOIC) Low offset voltage drift: 1 μV/°C maximum (8-lead and 14-lead SOIC) Low input bias current: 1 nA maximum at 25°C Low voltage noise density: 8 nV/√Hz typical at 1 kHz Large signal voltage gain (AVO): 100 dB minimum over full supply voltage and operating temperature Input overvoltage protection to 32 V above and below the supply voltage rail Integrated EMI filter 70 dB typical rejection at 1000 MHz 90 dB typical rejection at 2400 MHz Rail-to-rail output swing Low supply current: 500 μA typical per amplifier Wide bandwidth Gain bandwidth product (AV = 100): 3.5 MHz typical Unity-gain crossover (AV = 1): 3.5 MHz typical −3 dB bandwidth (AV = 1): 6 MHz typical Dual-supply operation Specified at ±5 V to ±15 V, operates over ±2.5 V to ±18 V Unity-gain stable No phase reversal Long-term offset voltage drift (10,000 hours): 2 μV typical Temperature hysteresis: 2 μV typical

Zero Drift, High Voltage, Low Power, Programmable Gain Instrumentation Amplifier Features: Optimized for ADC synchronization Low power: 22 mW (±12 V supplies) 12 binary gain steps from 1/16 V/V to 128 V/V 3 scaling gains: 1 V/V, 1.25 V/V, and 1.375 V/V ±60 V protected input multiplexer Excellent dc precision Low input offset voltage: ±14 μV maximum Low input offset voltage drift: ±0.08 μV/°C maximum Gain calibration via ROM Low gain drift: ±1 ppm/°C maximum High CMRR: 116 dB minimum, G = 1 V/V Low input bias current: ±1.5 nA maximum High input impedance Integrated input EMI filtering Wide input supply range: ±5 V to ±28 V Dedicated output amplifier supplies 7 GPIO ports with special functions Sequential chip select mode External multiplexer control Excitation current sources SPI port with checksum (CRC) support Internal fault detection Wire break test currents On-chip test multiplexer 28-lead, 5 mm × 5 mm LFCSP, 24-lead TSSOP Specified temperature range: −40°C to +105°C

16-Bit, 15 MSPS, Module Data Acquisition Solution Features: Integrated fully differential ADC driver with signal scaling Wide input common range High common-mode rejection Single-ended to differential conversion 2.048 V input range with 4.096 V REFBUF Critical passive components 0.005% precision matched resistor array for FDA 9 mm × 9 mm, 0.8 mm pitch, 100-ball BGA package 4× footprint reduction versus discrete solution Low power, dynamic power scaling, power-down mode 143 mW typical at 15 MSPS Throughput: 15 MSPS, no pipeline delay INL: 0.4 LSB typical, 1 LSB maximum SINAD: 89 dB typical at 1 kHz THD: 115 dB at 1 kHz, 106 dB at 400 kHz Gain error: 0.005% FS typical Gain error drift: 1 ppm/C maximum On-board reference buffer with VCMO generation Serial LVDS interface Wide operating temperature range: 40C to +85C

10 GHz to 40 GHz, 1:4 Channel, 4 Frequency Multiplier/Filter Features: 4 input frequency multiplier with programmable harmonic filter Quad Differential Output PAs with independent Enable Control Input Frequency Range: 2.5 GHz to 10 GHz Output Frequency Range: 10 GHz to 40 GHz Input power: 20 dBm (50 ) Output power: 5 dBm differential (100 ) Harmonic rejection: 20 dBc to 40 dBc at all frequencies 3-Wire or 4-Wire SPI Control of all functions On-Chip Programmable State Machines for fast multiplier/filter and transmitter switching and control On-chip temperature sensor, output power detectors, and ADC DC power: 450 mW (2.5 V supply) 6 mm 6 mm, 40-terminal LGA package