CS5540

18

DS503PP1

Measurement and Reference Inputs

AIN1+, AIN1-, AIN2+, AIN2- - Differential Analog Inputs.

Differential input pins into the device.

VREF+, VREF- - Voltage Reference Inputs.

Fully differential inputs which establish the voltage reference for the on-chip modulator.

Power Supply Connections

VA+ - Positive Analog Power.

Positive analog supply voltage.

VA- - Negative Analog Power.

Negative analog supply voltage.

VD+ - Positive Digital Power.

Positive digital supply voltage.

DGND - Digital Ground.

Ground return for the digital supply.