3. CS5320/21 PIN DESCRIPTIONS
CS5320/21/22
Power Supplies
Vdd1 – Positive Power One, PIN 2
Positive supply voltage. Nominally +5 Volts.
Vdd2 – Positive Power Two, PIN 22
Positive supply voltage. Nominally +5 Volts.
Vss1 – Negative Power One, PIN 3
Negative supply voltage. Nominally -5 Volts.
Vss2 – Negative Power Two, PIN 21
Negative supply voltage. Nominally -5 Volts.
GND1 through GND11 – Ground, PINS 1, 4, 7, 11, 12, 13, 14, 15, 16, 19, 23.
Ground reference.
Analog Inputs
AIN+ - Positive Analog Input, PIN 9
Nominally ± 4.5V
AIN- - Negative Analog Input, PIN 8
This pin is tied to ground.
DS454PP1
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