CS5471-BS Ver la hoja de datos (PDF) - Cirrus Logic
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CS5471-BS Datasheet PDF : 14 Pages
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CS5471
Measurement and Reference Input
IIN+, IIN- - Differential Current Input.
Differential analog input pins for current channel.
VIN+, VIN- - Differential Voltage Inputs.
Differential analog input pins for voltage channel.
VREFOUT - Voltage Reference Output.
The on-chip voltage reference is output from this pin. The voltage reference has a nominal magnitude of
1.2 V and is referenced to the AGND pin on the converter.
VREFIN - Voltage Reference Input.
The voltage input to this pin establishes the voltage reference for the on-chip modulator.
Power Supply Connections
VA+ - Positive Analog Supply.
The positive analog supply is nominally +3 V ±10% relative to AGND.
VA- - Negative Analog Supply.
The negative analog supply is nominally -2 V ±10% relative to AGND.
AGND - Analog Ground.
The analog ground pin for input signals.
VD+ - Positive Digital Supply.
The positive digital supply is nominally +3 V ±10% relative to DGND.
DGND - Digital Ground.
The digital ground is typically at the same level as AGND.
CPD - Charge Pump Drive
This output pin drives the external charge pump circuitry to create a negative supply voltage.
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