AD7691 Datasheet | Analog Devices

.. 18-Bit, 1.5 LSB INL, 250 kSPS PulSAR® Differential ADC in MSOP/QFN AD7691 Features 18-bit resolution with no missing codes Throughput: 250 kSPS INL: ±0.75 LSB typ, ±1.5 LSB max (±6 ppm of FSR) Dynamic range: 102 dB typ @ 250 kSPS Oversampled dynamic range: 125 dB @1 kSPS Noise-free code resolution: 20 bits @ 1 kSPS Effective resolution: 22.7 bits @ 1 kSPS SINAD: 101.5 dB typ @ 1 kHz THD: - 125 dB typ @ 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 2.3 V to 5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface Serial interface SPI®/QSPI™/MICROWIRE™/DSP patible Daisy-chain multiple ADCs...