Datasheet Analog Devices AD4020BRMZ-RL7 — 数据表

20-Bit, 1.8 MSPS,
Precision SAR, Differential ADC
AD4020 Data Sheet
FEATURES GENERAL DESCRIPTION Throughput: 1.8 MSPS maximum
INL: ±3.1 ppm maximum
Guaranteed 20-bit no missing codes
Low power
9.0 mW at 1.8 MSPS (VDD only)
83 µW at 10 kSPS, 15 mW at 1.8 MSPS (total)
SNR: 100.5 dB typical at 1 kHz, 99 dB typical at 100 kHz
THD: −123 dB typical at 1 kHz, −100 dB typical at 100 kHz
Ease of use features reduce system power and complexity
Input overvoltage clamp circuit
Reduced nonlinear input charge kickback
High-Z mode
Long acquisition phase
Input span compression
Fast conversion time allows low SPI clock rates
SPI-programmable modes, read/write capability, status word
Differential analog input range: ±VREF
0 V to VREF with VREF from 2.4 V to 5.1 V
Single 1.8 V supply operation with 1.71 V to 5.5 V logic interface
SAR architecture: no latency/pipeline delay …