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

4MSPS Dual Simultaneous Sampling, 16-BIT SAR ADC, Differential Input Features: 16-bit/14-bit ADC family Dual simultaneous sampling Fully differential analog inputs 4 MSPS throughput conversion rate SNR (typical) 92.5 dB, VREF = 3.3 V external at AD7380 (16-bit) 85.4 dB, VREF = 3.3 V external at AD7381 (14-bit) 101 dB with ×16 OSR On-chip oversampling function Resolution boost function INL (maximum) 2.0 LSBs at 16-bit 1.0 LSB at 14-bit 2.5 V internal reference High speed serial interface −40°C to +125°C operation 16-lead LFCSP, 3 mm × 3 mm Wide common-mode range Alert function

Dual, Simultaneous Sampling, 14-Bit, 4 MSPS, SAR ADCs, Pseudo Differential Input Features: Dual 16-bit/14-bit ADC family Dual simultaneous sampling Pseudo differential analog inputs 4 MSPS throughput conversion rate SNR (typical) 87.5 dB, VREF = 3.3 V external for 16-bit AD7383 83.5 dB, VREF = 3.3 V external for 14-bit AD7384 93.4 dB with RES = 1 and OSR = 8 On-chip oversampling function Resolution boost function INL error (maximum) 2.5 LSBs for 16-bit AD7383 1.0 LSB for 14-bit AD7384 2.5 V internal reference High speed serial interface 40C to +125C operation 16-lead LFCSP, 3 mm 3 mm Alert function

Dual, Simultaneous Sampling, 14-Bit, 4 MSPS, SAR ADCs, Pseudo Differential Input Features: Dual 16-bit/14-bit ADC family Dual simultaneous sampling Pseudo differential analog inputs 4 MSPS throughput conversion rate SNR (typical) 87.5 dB, VREF = 3.3 V external for 16-bit AD7383 83.5 dB, VREF = 3.3 V external for 14-bit AD7384 93.4 dB with RES = 1 and OSR = 8 On-chip oversampling function Resolution boost function INL error (maximum) 2.5 LSBs for 16-bit AD7383 1.0 LSB for 14-bit AD7384 2.5 V internal reference High speed serial interface 40C to +125C operation 16-lead LFCSP, 3 mm 3 mm Alert function

4-Channel, 4 MSPS, 16-Bit Dual Simultaneous Sampling SAR ADC Features: 16-bit, 14-bit, or 12-bit dual simultaneous sampling SAR ADC Single-ended analog inputs 4-channel with 2:1 multiplexers Channel sequencer mode High throughput rate of up to 4 MSPS SNR (typical) 87.5 dB (AD7386), VREF = 3.3 V external 84 dB (AD7387), VREF = 3.3 V external 73.8 dB (AD7388) 93 dB with OSR = 8, VREF = 2.5 V internal (AD7386) On-chip oversampling functions INL (typical) ±1.5 LSB (AD7386) ±0.5 LSB (AD7387) ±0.2 LSB (AD7388) Resolution boost function 2.5 V internal reference at 10 ppm/°C (maximum) Alert function −40°C to +125°C temperature range 16-lead, 3 mm × 3 mm LFCSP

+3/+5 Volt Serial-Input Micropower 12-Bit DAC Features: Micropower - 100 µA Single Supply - 2.7 V to 5.5 V Operation Compact 1.75 mm Height SO-8 Package and 1.1 mm Height TSSOP-8 Package AD7390 - 12-Bit Resolution AD7391 - 10-Bit Resolution SPI and QSPI Serial Interface Compatible with Schmitt Trigger Inputs

Dual Parallel-Input 10-Bit DAC Features: Micropower 100A/DAC0.1 A Typical Power ShutdownCompact 1.1 mm Height TSSOP-24 Lead PackageSingle-Supply +2.7 V to +5.5 V OperationAD7396/12-Bit Resolution AD7397/10-Bit Resolution0.9 LSB Differential Nonlinearity Error

Isolated Sigma-Delta Modulator Features: 10 MHz clock rate Second-order modulator 16 bits no missing codes ±2 LSB INL typical at 16 bits 1.5 μV/°C typical offset drift On-board digital isolator 8-lead surface-mount PDIP package with gull wing leads and 16-lead SOIC package See Data Sheet for Additional Information

16-Bit, Isolated Sigma-Delta Modulator Features: 10 MHz internal clock rate 16 bits, no missing codes Signal-to-noise ratio (SNR): 87 dB typical Effective number of bits (ENOB): 13.5 bits typical Typical offset drift vs. temperature: 1.7 µV/°C On-board digital isolator On-board reference Full-scale analog input range: ±320 mV −40°C to +105°C operating range High common-mode transient immunity: >25 kV/µs 8-lead, wide-body SOIC, with increased creepage package Slew rate limited output for low electromagnetic interference (EMI)

16-Channel, 1 MSPS, 12-Bit ADC with Sequencer Features: Fast throughput rate: 1 MSPS Specified for VDD of 2.7 V to 5.25 V Low power at maximum throughput rates 5.4 mW maximum at 870 kSPS with 3 V supplies 12.5 mW maximum at 1 MSPS with 5 V supplies 16 (single-ended) inputs with sequencer Wide input bandwidth: 69.5 dB SNR at 50 kHz input frequency Flexible power/serial clock speed management No pipeline delays High speed serial interface, SPI/QSPI™/MICROWIRE™/ DSP compatible Full shutdown mode: 0.5 μA maximum 28-lead TSSOP and 32-lead LFCSP packages AEC-Q100 qualified for automotive applicationsAD7490-EP supports defense and aerospace applications (AQEC standard) Download AD7490-EP Data Sheet (pdf) Military temperature range (−55°C to +125°C) Controlled manufacturing baseline One assembly/test site One fabrication site Enhanced product change notification Qualification data available on request V62/12635 DSCC Drawing Number