Datasheet Analog Devices AD7942BRMZ — 数据表

14-Bit, 250 kSPS PulSAR,
Pseudo Differential ADC in MSOP/LFCSP
AD7942 Data Sheet
FEATURES APPLICATION DIAGRAM
0.5V TO 5V 14-bit resolution with no missing codes
Throughput: 250 kSPS
INL: ±0.4 LSB typical, ±1 LSB maximum (±0.0061% of FSR)
SINAD: 85 dB at 20 kHz
THD: −100 dB at 20 kHz
Pseudo differential analog input range
0 V to VREF with VREF up to VDD
No pipeline delay
Single-supply 2.3 V to 5.5 V operation with
1.8 V/2.5 V/3 V/5 V logic interface
Proprietary serial interface
SPI-/QSPI-/MICROWIRE-/DSP-compatible1
Daisy-chaining for multiple ADCs and busy indicator
Power dissipation
1.25 mW at 2.5 V/100 kSPS, 3.6 mW at 5 V/100 kSPS
1.25 μW at 2.5 V/100 SPS
Standby current: 1 nA
10-lead package: MSOP and 3 mm × 3 mm LFCSP
Pin-for-pin compatible with the 16-bit AD7685 0V TO VREF IN+ …