4

DS613F1

CS4344/5/6/8

1. PIN DESCRIPTIONS

Pin Name

#

Pin Description

SDIN

1

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

DEM/SCLK

2

De-Emphasis/External Serial Clock Input (Input) - used for de-emphasis filter control or external serial

clock input.

LRCK

3

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

data line.

MCLK

4

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

VQ

5

Quiescent Voltage (Output) - Filter connection for internal quiescent voltage.

FILT+

6

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

circuits.

AOUTL

7

Left Channel Analog Output (Output) - The full scale analog output level is specified in the Analog Char-

acteristics specification table.

GND

8

Ground (Input) - ground reference.

VA

9

Analog Power (Input) - Positive power for the analog and digital sections.

AOUTR

10

Right Channel Analog Output (Output) - The full scale analog output level is specified in the Analog

Characteristics specification table.

SDIN

AOUTR

DEM/SCLK

VA

LRCK

GND

MCLK

AOUTL

VQ

FILT+

1

2

3

4

5

6

7

8

9

10