Marantz ER2500 Service Manual download pdf (Page 27)

IC27: AK5381

Modulator

MCLK

AINL

LRCK

SCLK

SDTO

DIF

VCOM

Clock Divider

AINR

AGNDVA

Decimation

Filter

Serial I/O

Interface

Voltage Reference

CKS1

DGNDVD

CKS2

Modulator

Decimation

Filter

PDN

CKS0

CKS1

VCOM

DGND

AINR

AINL

AGND

Top View

DIF

PDN

LRCK

MCLK

SCLK

CKS2

CKS0

SDTO

No. Pin Name I/O Function

1 AINR I Rch Analog Input Pin

2 AINL I Lch Analog Input Pin

3 CKS1 I Mode Select 1 Pin

4 VCOM O

Common Voltage Output Pin, VA/2

Bias voltage of ADC input.

5 AGND - Analog Ground Pin

6 VA - Analog Power Supply Pin, 4.5 5.5V

7 VD - Digital Power Supply Pin, 2.7 5.5V(fs=48kHz), 3.0 5.5V(fs=96kHz)

8 DGND - Digital Ground Pin

9 SDTO O

Audio Serial Data Output Pin

10 LRCK I/O

Output Channel Clock Pin

11 MCLK I Master Clock Input Pin

12 SCLK I/O

Audio Serial Data Clock Pin

13 PDN I

Power Down Mode Pin

14 DIF I

Audio Interface Format Pin

15 CKS2 I Mode Select 2 Pin

16 CKS0 I Mode Select 0 Pin

Note: All digital input pins should not be left floating.

“L” Output in Master Mode at Power-down mode.

“H”: Power up, ìLî: Power down

“H” : 24bit IS Compatible, “L”: 24bit MSB justified

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Marantz ER2500 Service Manual Page 27

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