Part Number
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AD7787 |
Manufacturer
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Analog Devices |
Description
|
2-Channel 24-Bit Sigma-Delta ADC |
Published
|
Jun 20, 2007 |
Detailed Description
|
Preliminary Technical Information
FEATURES
Power Supply: 2.5 V to 5.25 V operation Normal Mode: 75 µA max Power-down Mod...
|
Datasheet
|
AD7787
|
Overview
Preliminary Technical Information
FEATURES
Power Supply: 2.
5 V to 5.
25 V operation Normal Mode: 75 µA max Power-down Mode: 1 µA max RMS noise: 1.
1 µV at 9.
5 Hz update rate 19.
5-bit p-p resolution (22 bits effective resolution) Integral nonlinearity: 3.
5 ppm typical Simultaneous 50 Hz and 60 Hz rejection Internal clock oscillator Rail-to-rail input buffer VDD monitor channel Temperature range: –40°C to +105°C 10-lead MSOP
GND
Low Power, 2-Channel 24-Bit Sigma-Delta ADC AD7787
FUNCTIONAL BLOCK DIAGRAM
VDD REFIN
AD7787
AIN1(+) AIN1(-) AIN2 MUX BUF Sigma Delta ADC SERIAL INTERFACE AND CONTROL LOGIC DOUT/RDY DIN SCLK CS
CLOCK
Figure 1.
GENERAL DESCRIPTION
The AD7787 is a low power, complete ...
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