Datasheet Analog Devices AD7944BCPZ — 数据表

14-Bit, 2.5 MSPS, PulSAR,
15.5 mW ADC in LFCSP
AD7944 Data Sheet
FEATURES APPLICATION DIAGRAM 14-bit resolution with no missing codes
Throughput: 2.5 MSPS (TURBO high), 2.0 MSPS (TURBO low)
Low power dissipation
15.5 mW at 2.5 MSPS, with external reference
28 mW at 2.5 MSPS, with internal reference
INL: ±0.25 LSB typical, ±1.0 LSB maximum
SNR
84 dB, with on-chip reference
84.5 dB, with external reference
4.096 V internal reference: typical drift of ±10 ppm/°C
Pseudo differential analog input voltage range
0 V to VREF with VREF up to 5.0 V
Allows use of any input range
No pipeline delay
Logic interface: 1.8 V/2.5 V/2.7 V
Proprietary serial interface
SPI/QSPI/MICROWIRE/DSP compatible
Ability to daisy-chain multiple ADCs with busy indicator
20-lead, 4 mm × 4 mm LFCSP (QFN) 5V 0V
TO …