CS5371A CS5372A
9. PIN DESCRIPTION - CS5371A
Rough Non-Inverting Input
Fine Non-Inverting Input
Fine Inverting Input
Rough Inverting Input
Positive Voltage Reference Input
Negative Voltage Reference Input
Negative Analog Power Supply
Positive Analog Power Supply
No Internal Connection
No Internal Connection
No Internal Connection
No Internal Connection
INR+ 1
INF+ 2
INF- 3
INR- 4
VREF+ 5
VREF- 6
VA- 7
VA+ 8
NC 9
NC 10
NC 11
NC 12
24 PWDN
23 GND
22 MFLAG
21 MDATA
20 MSYNC
19 MCLK
18 VD
17 GND
16 NC
15 NC
14 OFST
13 VD
Power-down Enable
Digital Ground
Modulator Flag Output
Modulator Data Output
Modulator Sync Input
Modulator Clock Input
Positive Digital Power Supply
Digital Ground
No Internal Connection
No Internal Connection
Offset Mode Select
Positive Digital Power Supply
Power Supplies
VA+ _ Positive Analog Power Supply, pin 8
VA- _ Negative Analog Power Supply, pin 7
VD _ Positive Digital Power Supply, pin 13, 18
GND _ Ground, pin 17, 23
Analog Inputs
INR+ _ Rough Non-Inverting Input, pin 1
Rough non-inverting analog input. The rough input settles non-linear currents to improve
linearity on the fine input and reduce harmonic distortion.
INF+ _ Fine Non-Inverting Input, pin 2
Fine non-inverting analog input.
INF- _ Fine Inverting Input, pin 3
Fine inverting analog input.
INR- _ Rough Inverting Input, pin 4
Rough inverting analog input. The rough input settles non-linear currents to improve linearity
on the fine input and reduce harmonic distortion.
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DS748F1