AD7787 - 2-Channel 24-Bit Sigma-Delta ADC

Analog Devices

Datasheet Details

The AD7787 is a low power, complete analog front end for low frequency measurement applications.

It contains a low noise 24-bit ∑-∆ ADC with one differential input and one single-ended input that can be buffered or unbuffered.

The device operates from an internal clock.

Preliminary Technical Information.

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.

Part Number	Description
AD7780	Ultralow Power Sigma-Delta ADC
AD7781	Low Power Sigma-Delta ADC
AD7782	Read Only/ Pin Configured 24-Bit ADC
AD7783	Pin Configured 24-Bit ADC
AD7785	20-Bit ADC
AD7788	Sigma-Delta ADCs
AD7789	Sigma-Delta ADCs
AD7701	16-Bit A/D Converter
AD7703	20-Bit A/D Converter
AD7705	Sigma-Delta ADCs