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AD7922

Analog Devices
Part Number AD7922
Manufacturer Analog Devices
Description 2-Channel/ 2.35 V to 5.25 V/ 1 MSPS/ 10-/12-Bit ADCs
Published Mar 23, 2005
Detailed Description 2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-/12-Bit ADCs AD7912/AD7922 FEATURES Fast throughput rate: 1 MSPS Specified for V...
Datasheet PDF File AD7922 PDF File

AD7922
AD7922

Overview
2-Channel, 2.
35 V to 5.
25 V, 1 MSPS, 10-/12-Bit ADCs AD7912/AD7922 FEATURES Fast throughput rate: 1 MSPS Specified for VDD of 2.
35 V to 5.
25 V Low power: 4.
8 mW typ at 1 MSPS with 3 V supplies 15.
5mW typ at 1 MSPS 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™/MICROWIRE™/DSP compatible Standby mode: 1 µA maximum Daisy-chain mode 8-lead TSOT package 8-lead MSOP package FUNCTIONAL BLOCK DIAGRAM VDD VIN0 MUX VIN1 T/H 10-/12-BIT SUCCESSIVE APPROXIMATION ADC SCLK CS AD7912/AD7922 CONTROL LOGIC DOUT 04351-0-001 DIN GND APPLICATIONS Battery-powered systems: Personal digital assistants Medical instruments Mobile communications Instrumentation and control systems Data acquisition systems High speed modems Optical sensors Figure 1.
Several AD7912/AD7922 can be connected together in a daisy chain.
The AD7912/AD7922 feature a daisy-chain mode tha...


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