Description
The AD7942 is a 14-bit, charge redistribution successive approximation, analog-to-digital converter (ADC) that operates from a single 5V power supply, VDD.
Features
- 14-bit resolution with no missing codes Throughput: 250 kSPS INL: ±0.4 LSB typ, ±1 LSB max (±0.0061 % of FSR) S/(N + D): 85 dB @ 20 kHz THD:.
- 100 dB @ 20 kHz Pseudo-differential analog input range 0 V to VREF with VREF up to VDD No pipeline delay Single-supply 5V operation with 1.8 V/2.5 V/3 V/5 V logic interface Serial interface SPI®/QSPI™/µWire/DSP compatible Daisy chain multiple ADCs and BUSY indicator Power dissipation 1.15 mW @ 2.5 V/100 kSPS, 3.3 mW @ 5 V/100 kSPS, 1.15 µW @ 2.5 V/.