Analog Devices Inc.

16-Bit, 8-Channel,250 kSPS PulSAR ADC Features: Download AD7689-KGD Data Sheet. Available as Known Good Die and fully guaranteed to data sheet specifications. 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 kSPS INL: ±0.4 LSB typical, ±1.5 LSB maximum (±23 ppm or FSR) Dynamic range: 93.8 dB SINAD: 92.5 dB at 20 kHz THD: −100 dB at 20 kHz 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 compatible with SPI, MICROWIRE, QSPI, and DSP Power dissipation 3.5 mW at 2.5 V/200 kSPS 12.5 mW at 5 V/250 kSPS Standby current: 50 nA Low cost grade available 20-lead 4 mm × 4 mm LFCSP package 20-lead 2.4 mm × 2.4 mm WLCSP package