Cirrus-logic AN285 Manual do Utilizador descarregar pdf (Página 3)

AN285REV1 3

AN285

3. TYPICAL CONNECTION DIAGRAMS

Figures 1 and 2 are the typical connection diagrams for the CS5333 and the CS5343/4 respectively. These dia-

grams demonstrate optimal power arrangements and the options available with pull-up or pull-down resistors on var-

ious I/O pins for each device.

Figure 1. CS5333 Typical Connection Diagram

CS5333

1.8 to 3.3 V

Supply

1.0 µF

0.1 µF

1.8 to 3.3 V

Supply

1.0 µF

0.47 µ F

150

0.47 µ F

150

AINL

AINR

0.01 µF

0.1 µF

GND

TST

FILT+

REF_GND

1.0 µF

MCLK

LRCK

SCLK

Digital

Audio

Source

SDATA

RST

DIF

DIV

Mode

Configuration

47k

Connect to:

• VL for Master Mode

• GND for Slave Mode

* All capacitors located

on the analog input lines

should be of the type

COG or equivalent.

**Optional if analog input

circuit is biased within

±5% of CS5333 nominal

bias voltage

Ω

1 2 3 4 5 6 7 8 9

CS5333 to CS5343/4 Transition 1
2 AN285REV1 2
CS5333 CS5343/4 Description 2
AN285REV1 3 3
4. POWER 4
6. SYSTEM CLOCKING 6
7. INPUT FILTER TOPOLOGY 7
8. REFERENCE VOLTAGES 8
9. DIGITAL INTERFACE FORMAT 8
10.CONCLUSION 9
11.REVISION HISTORY 9

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