Single-Channel, 3 V Front-End Processor for General Purpose Applications Including Speech and Telephony Features: 16-Bit A/D Converters 16-Bit D/A Converters Programmable Input/Output Sample Rates 75 dB ADC SNR 70 db DAC SNR 64 ksps Maximum Sample Rate -90 db Crosstalk Programmable Input/Output Gain Low group Delay (25 µs per ADC ch, 50 µs per DAC ch) Flexible Serial Port Allows Up to 4 Codecs To Be Connected in Cascade Giving 8 I/O Channels Single 2.7 V to 3.3 V Supply Operation 50 mW Max Power Dissipation at 2.7 V 20-Lead SOIC/SSOP/TSSOP Packages

Single-Lead, Heart Rate Monitor Front End Features: Fully integrated single-lead ECG front end Low supply current: 170 μA (typical) Common-mode rejection ratio: 80 dB (dc to 60 Hz) Two or three electrode configurations High signal gain (G = 100) with dc blocking capabilities 2-pole adjustable high-pass filter Accepts up to ±300 mV of half cell potential Fast restore feature improves filter settling Uncommitted op amp 3-pole adjustable low-pass filter with adjustable gain Leads off detection: ac or dc options Integrated right leg drive (RLD) amplifier Single-supply operation: 2.0 V to 3.5 V Integrated reference buffer generates virtual ground Rail-to-rail output Internal RFI filter 8 kV HBM ESD rating Shutdown pin 20-lead 4 mm × 4 mm LFCSP package Qualified for automotive applications

+5 Volt, Serial Input, Dual 12-Bit DAC Features: Complete Dual 12-Bit DAC No External Components +5 Single-Supply Operation ±10% 4.095 V Full Scale (1 mV/LSB) Buffered Voltage Outputs Low Power: 5 mW/DAC Space Saving 1.5mm Height SO-14 Package

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

+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

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-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR ADC Features: Multiple pins/software programmable input ranges: 5 V, 10 V, ±5 V, ±10 V Pins or serial SPI®-compatible input ranges/mode selection Throughput 750 kSPS (warp mode) 600 kSPS (normal mode) 500 kSPS (impulse mode) INL: ±0.75 LSB typical, ±1.5 LSB maximum (±23 ppm of FSR) 16-bit resolution with no missing codes SNR: 92 minimum (5 V) @ 2 kHz, 94 dB typical (±10 V) @ 2 kHz THD: −107 dB typical iCMOS™ process technology 5 V internal reference: typical drift 3 ppm/°C; TEMP output No pipeline delay (SAR architecture) Parallel (16- or 8-bit bus) and serial 5 V/3.3 V interface SPI-/QSPI™-/MICROWIRE™-/DSP-compatible

18-Bit, 1.25 MSPS PulSAR A/D Converter Features: Throughput: 1.25 MSPS INL: ±2 LSB typical, ±3 LSB max; ±8 ppm of full scale 18-bit resolution with no missing codes Dynamic range: 95.5 dB SINAD: 93.5 dB typical @ 20 kHz (VREF = 2.5 V) THD: −112 dB typical @ 20 kHz (VREF = 2.5 V) No pipeline delay (SAR architecture) Pb-free, 48-lead LQFP and 48-lead LFCSP Pin compatible with the AD7641 and other PulSAR ADCs 2.048 V internal reference: typical drift 10 ppm/°C; TEMP output Differential input range: ±VREF (VREF up to 2.5 V) Parallel (18-, 16-, or 8-bit bus) and serial 5 V/3.3 V/2.5 V interface SPI®/QSPI™/MICROWIRE™/DSP compatible Single 2.5 V supply operation Power dissipation 65 mW typical @ 1.25 MSPS with internal REF 2 W in power-down mode