WM8736EDS Просмотр технического описания (PDF) - Wolfson Microelectronics plc

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Компоненты Описание

производитель

WM8736EDS

24-bit, 96kHz 6-Channel DAC with Volume Control

Wolfson Microelectronics plc 

Production Data

RECOMMENDED EXTERNAL COMPONENTS

WM8736

DVDD

+

C1

C2

DGND

Software I/F or

Hardware Control

Audio Serial Data I/F

1 DVDD

11 DVSS

AVDD1 15

AVDD2 28

C3

C4

AVSS1 20

AVSS2 24

12 ML/I2S

GR0 26

13 MC/IWL

GR1 22

14 MD/DM0

GR2 18

10 RSTB

OUT0R 27 C6

8 MODE WM8736 OUT0L 25 C7

9 MUTE

OUT1R 23 C1

2 SCKI

3 BCKIN

OUT1L 21 C9

4 LRCIN

5 DIN0

OUT2R 19 C10

6 DIN1

7 DIN2

OUT2L 17 C11

AVDD

+

C5

AGND

AC-Coupled

OUT0R/L

to External LPF

AC-Coupled

OUT1R/L

to External LPF

AC-Coupled

OUT2R/L

to External LPF

NOTES:

CAP 16

C12

1. AGND and DGND should be connected as close to the WM8736 as possible.

2. C2, C3, C4 and C12 should be positioned as close to the WM8736 as possible.

3. Capacitor types should be carefully chosen. Capacitors with very low ESR are

recommended for optimum performance.

+

C13

AGND

Figure 8 External Components Diagram

RECOMMENDED EXTERNAL COMPONENTS VALUES

COMPONENT

REFERENCE

C1 and C5

C2 to C4

C6 to C11

C12

C13

SUGGESTED

VALUE

10µF

0.1µF

10µF

0.1µF

10µF

Table 13 External Components Description

DESCRIPTION

De-coupling for DVDD and AVDD.

De-coupling for DVDD and AVDD.

Output AC coupling caps to remove midrail DC level from outputs.

Reference de-coupling capacitors for CAP pin.

WOLFSON MICROELECTRONICS LTD

PD Rev 2.1 January 2001

15

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