Description

16-Bit, 0.5 LSB, 500 kSPS PulSAR Differential A/D Converter in MSOP/QFN Features: 16-bit resolution with no missing codes Throughput: 500 kSPS INL/DNL: ±0.25 LSB typ, ±0.5 LSB max (±8 ppm of FSR) Dynamic range: 96.5 dB SINAD: 96 dB at 1 kHz THD: −120 dB at 1 kHz True differential analog input range: ±VREF 0 V to VREF with VREF up to VDD on both inputs No pipeline delay Single-supply 5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface Proprietary serial interface SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible Daisy-chain multiple ADCs, selectable busy indicator Power dissipation: 40 nJ/conversion 40 μW at 5 V/1 kSPS 4 mW at 5 V/100 kSPS 18 mW at 5 V/500 kSPS Standby current: 1 nA 10-lead package: MSOP (MSOP-8 size) Pin-for-pin compatible with the 16-bit AD7687 and AD7688 and the 18-bit AD7690 and AD7691