AD7689 Datasheet | Analog Devices

Data Sheet AD7682/AD7689 16-Bit, 4-Channel/8-Channel, 250 k SPS Pul SAR ADCs Features - 16-bit resolution with no missing codes - 4-channel (AD7682)/8-channel (AD7689) multiplexer with choice of inputs - Unipolar single-ended - Differential (GND sense) - Pseudobipolar - Throughput: 250 k SPS - INL: ±0.4 LSB typical, ±1.5 LSB maximum (±23 ppm or FSR) - Dynamic range: 93.8 d B - SINAD: 92.5 d B at 20 k Hz - THD: - 100 d B at 20 k Hz - Analog input range: 0 V to VREF with VREF up to VDD - Multiple reference types - Internal selectable 2.5 V or 4.096 V - External buffered (up to 4.096 V) - External (up to VDD) - Internal temperature sensor (TEMP) - Channel sequencer, selectable 1-pole filter, busy indicator - No pipeline delay, SAR architecture - Single-supply 2.3 V to 5.5 V operation with 1.8 V to 5.5 V logic interface - Serial interface patible with SPI, MICROWIRE, QSPI, and DSP - Power dissipation - 3.5 m W at 2.5 V/200 k SPS - 12.5 m W at 5 V/250 k SPS - Standby current: 50 n A - Low cost grade available - 20-lead 4 mm × 4 mm LFCSP...