AD7091R-2

Data Sheet 2-/4-/8-Channel, 1 MSPS, Ultralow Power, 12-Bit SAR ADC AD7091R-2/AD7091R-4/AD7091R-8 FEATURES Ultralow system power Flexible power/throughput rate management Normal mode 1.4 mW at 1 MSPS Power-down mode 550 nA typical at VDD = 5.25 V 435 nA typical at VDD = 3 V Programmable ALERT interrupt pin (4-/8-channel models) High performance 1 MSPS throughput with no latency/pipeline delay SNR: 70 dB typical at 10 kHz input frequency THD: −80 dB typical at 10 kHz input frequency INL: ±0.7 LSB typical, ±1.0 LSB maximum Small system footprint On-chip accurate 2.5 V reference, 5 ppm/°C typical drift MUXOUT/ADCIN to allow single buffer amplifier Daisy-chain mode 16-lead, 20-lead, and 24-lead 4 mm × 4 mm LFCSP packages 16-lead, 20-lead, and 24-lead TSSOP packages Easy to use SPI/QSPI™/MICROWIRE™/DSP compatible digital interface Integrated programmable channel sequencer BUSY indication available (4-/8-channel models) Built in features for control and monitoring applications GPO...