CS4525(2008) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS4525
(Rev.:2008)

30 W Digital Audio Amplifier with Integrated ADC

Cirrus Logic 

3. TYPICAL CONNECTION DIAGRAMS

+3.3 or +5 V

10 µF 0.1 µF

470 µF 0.1 µF

0.1 µF

0.1 µF

0.1 µF 470 µF

CS4525

+8 V to +18 V

Analog

Audio

Inputs

Analog

Monitor

Output

Analog

Audio

Switch

Crystal

24.576 MHz

MPEG

Audio

Processor

- or -

HDMI

Receiver

Lip-Synch

Delay

NJU26902

12

25

30

31

36

VD

VP

VP

VP

VP

19 AINL

20 AINR

RAMP_CAP 35

OUT1 35

OUT2 32

48 XTI

47 XTO

CS4525

46 SYS_CLK

5 SCLK

4 LRCK

6 SDIN

7 HP_DETECT/MUTE

43 AUX_SDOUT

45 AUX_LRCK/AD0

44 AUX_SCLK

41 DLY_SDOUT

42 DLY_SDIN

OUT3 29

OUT4 26

PWM_SIG1 40

PWM_SIG2 39

LVD 9

+2.5V

10 µF 0.1 µF

11 VD_REG

VD

OCREF 21

FILT+ 15

VA_REG 13

AGND 14

Micro-

Controller

2 SCL

3 SDA

1 INT

8 RST

AFILTA 17

AFILTB 18

VQ 16

*Note: Resistors are required for I²C control port

operation.

†Note: On release of RST, AD0 is read as input on the

AUX_LRCK line.

DGND

10

PGND PGND PGND PGND PGND PGND PGND PGND

22 23 27 28 33 34 37 38

Output

Filter

Output

Filter

Line

Output

- or -

Headphone

Output

16.2 kΩ

VD or GND

0.1 µF 10 µF

10 µF

150 pF 150 pF 1 µF

Figure 1. Typical Connection Diagram - Software Mode

DS726PP3

13

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