CS5371A-ISZ(2006) 查看數據表（PDF） - Cirrus Logic

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CS5371A-ISZ
(Rev.:2006)

Low-power, High-performance ∆Σ Modulators

Cirrus Logic 

CS5371A CS5372A

10. PIN DESCRIPTION - CS5372A

Ch. 1 Rough Non-Inverting Input

Ch. 1 Fine Non-Inverting Input

Ch. 1 Fine Inverting Input

Ch. 1 Rough Inverting Input

Positive Voltage Reference Input

Negative Voltage Reference Input

Negative Analog Power Supply

Positive Analog Power Supply

Ch. 2 Rough Inverting Input

Ch. 2 Fine Inverting Input

Ch. 2 Fine Non-Inverting Input

Ch. 2 Rough Non-Inverting Input

INR1+ 1

INF1+ 2

INF1- 3

INR1- 4

VREF+ 5

VREF- 6

VA- 7

VA+ 8

INR2- 9

INF2- 10

INF2+ 11

INR2+ 12

24 PWDN1 Ch. 1 Power-down Enable

23 GND

Digital Ground

22 MFLAG1 Ch. 1 Modulator Flag Output

21 MDATA1 Ch. 1 Modulator Data Output

20 MSYNC Modulator Sync Input

19 MCLK Modulator Clock Input

18 VD

Positive Digital Power Supply

17 GND

Digital Ground

16 MDATA2 Ch. 2 Modulator Data Output

15 MFLAG2 Ch. 2 Modulator Flag Output

14 OFST

Offset Mode Select

13 PWDN2 Ch. 2 Power-down Enable

Power Supplies

VA+ _ Positive Analog Power Supply, pin 8

VA- _ Negative Analog Power Supply, pin 7

VD _ Positive Digital Power Supply, pin 18

GND _ Ground, pin 17, 23

Analog Inputs

INR1+, INR2+ _ Channel 1 & 2 Rough Non-Inverting Inputs, pin 1, 12

Rough non-inverting analog inputs. The rough inputs settle non-linear currents to improve

linearity on the fine inputs and reduce harmonic distortion.

INF1+, INF2+ _ Channel 1 & 2 Fine Non-Inverting Input, pin 2, 11

Fine non-inverting analog inputs.

INF1-, INF2- _ Channel 1 & 2 Fine Inverting Input, pin 3, 10

Fine inverting analog inputs.

INR1-, INR2- _ Channel 1 & 2 Rough Inverting Inputs, pin 4, 9

Rough inverting analog inputs. The rough inputs settle non-linear currents to improve linearity

on the fine inputs and reduce harmonic distortion.

28

DS748F1

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