Datasheet Analog Devices AD7921ARMZ-REEL7 — 数据表

2-Channel, 2.35 V to 5.25 V
250 kSPS, 10-/12-Bit ADCs
AD7911/AD7921
FUNCTIONAL BLOCK DIAGRAM FEATURES VDD Fast throughput rate: 250 kSPS
Specified for VDD of 2.35 V to 5.25 V
Low power:
4 mW typ at 250 kSPS with 3 V supplies
13.5 mW typ at 250 kSPS with 5 V supplies
Wide input bandwidth:
71 dB minimum SNR at 100 kHz input frequency
Flexible power/serial clock speed management
No pipeline delays
High speed serial interface:
SPI®/QSPI^TM/MICROWIRE^TM/DSP compatible
Standby mode: 1 μA maximum
8-lead TSOT package
8-lead MSOP package VIN0
MUX
VIN1 SCLK
CS
CONTROL LOGIC DOUT
DIN 04350-0-001 AD7911/AD7921 GND APPLICATIONS Figure 1. Battery-powered systems:
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