AD7989-1
FEATURES
GENERAL DESCRIPTION
Low power dissipation AD7989-1 400 μW at 100 k SPS (VDD only) 700 μW at 100 k SPS (total) AD7989-5 2 m W at 500 k SPS (VDD only) 3.5 m W at 500 k SPS (total)
18-bit resolution with no missing codes Throughput: 100 k SPS (AD7989-1)/500 k SPS (AD7989-5)
INL: ±1 LSB typical, 2 LSB maximum SNR: 98 d B at 1 k Hz, VREF = 5 V SINAD: 97 d B at 1 k Hz THD:
- 120 d B at 10 k Hz Dynamic range: 99 d B, VREF = 5 V True differential analog input range: ±VREF
0 V to VREF with VREF between 2.4 V and 5.1 V No pipeline delay Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface Proprietary serial interface: SPI-/QSPI™-/MICROWIRE™-/DSP- patible1 Ability to daisy-chain multiple ADCs 10-lead package: MSOP and 3 mm × 3 mm LFCSP
APPLICATIONS
Battery-powered equipment Data acquisition systems Medical instruments Seismic data acquisition systems
The AD7989-1/AD7989-5 are 18-bit,...
