AD7989-5

Data Sheet 18-Bit, 100 kSPS/500 kSPS PulSAR ADCs in MSOP/LFCSP AD7989-1/AD7989-5 FEATURES GENERAL DESCRIPTION Low power dissipation AD7989-1 400 μW at 100 kSPS (VDD only) 700 μW at 100 kSPS (total) AD7989-5 2 mW at 500 kSPS (VDD only) 3.5 mW at 500 kSPS (total) 18-bit resolution with no missing codes Throughput: 100 kSPS (AD7989-1)/500 kSPS (AD7989-5) INL: ±1 LSB typical, 2 LSB maximum SNR: 98 dB at 1 kHz, VREF = 5 V SINAD: 97 dB at 1 kHz THD: −120 dB at 10 kHz Dynamic range: 99 dB, 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- compatible1 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, suc...