CS5351

4

DS565PP2

1

PIN DESCRIPTIONS

RST

124

FILT+

M/S

223

REFGND

LRCK

322

VQ3

SCLK

421

AINR

MCLK

520

VQ2

VD

619

VA

GND

718

GND

VL

817

VQ1

SDOUT

916

AINL

MDIV

10

15

OVFL

HPF

11

14

M1

12

13

M0

Pin Name

#

Pin Description

RST

1

Reset (Input) - The device enters a low power mode when low.

M/S

2

Master/Slave Mode (Input) - Selects operation as either clock master or slave.

LRCK

3

Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the

serial audio data line.

SCLK

4

Serial Clock (Input/Output) - Serial clock for the serial audio interface.

MCLK

5

Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.

VD

6

Digital Power (Input) - Positive power supply for the digital section.

GND

VL

8

Logic Power (Input) - Positive power for the digital input/output.

SDOUT

9

Serial Audio Data Output (Output) - Output for two’s complement serial audio data.

MDIV

10

MCLK Divider (Input)- Enables a master clock divide by two function.

HPF

11

High Pass Filter Enable (Input)- Enables the Digital High-Pass Filter.

12

M0

M1

13,

14

Mode Selection (Input) - Determines the operational mode of the device.

OVFL

15

Overflow (Output, open drain) - Detects an overflow condition on both left and right channels.

AINR

AINL

16,

21

Analog Input (Input) - The full scale analog input level is specified in the Analog Characteristics specifi-

cation table.

VQ1

VQ2

VQ3

17,

20,

22

Quiescent Voltage (Input/Output) - Filter connection for the internal quiescent reference voltage.

VA

19

Analog Power (Input) - Positive power supply for the analog section.

REF_GND

23

Reference Ground (Input) - Ground reference for the internal sampling circuits.

FILT+

24

Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling circuits.