Owner's manual

6 DS782F2

CS4349

1 PIN DESCRIPTION

Table 1. Pin Description

Pin Name

Pin Description

VLC 5 Control Interface Power (Input) - Positive power for the hardware/software control interface

VD_FILT 6 Regulator Voltage (Output) - Filter connection for internal voltage regulator

GND 7, 19 Ground (Input) - Ground reference

VLS 9 Serial Audio Interface Power (Input) - Positive power for the serial audio interface

SCLK 10 Serial Clock (Input) - Serial bit-clock for the serial audio interface

SDIN 11 Serial Audio Data Input (Input) - Input for two’s complement serial audio data

LRCK 12

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

audio data line

TSTO 13 Test Output (Output) - This pin needs to be floating and not connected to any trace or plane.

TSTO

Test Output (Output) - These pins need to be floating and not connected to any trace or plane.

AOUTA

AOUTB

Analog Outputs (Output) - The full-scale output level is specified in “DAC Analog Characteristics -

Commercial (-CZZ)” on page 9.

AMUTEC

BMUTEC

Mute Control (Output) - Control signals for optional mute circuit

VBIAS 17 Positive Voltage Reference (Output) - Positive reference voltage for the internal DAC

VA 18 Analog Power (Input) - Positive power supply for the analog section

VQ 20 Quiescent Voltage (Output) - Filter connection for internal quiescent voltage

RST

Reset (Input) - When pulled low, device will power down and reset all internal registers to their default

settings.

DIF2(AD1/CDOUT) RST

DEM(AD0/CS)TSTO

DIF0(SDA/CDIN) AOUTB

DIF1(SCL/CCLK) BMUTEC

VLC VQ

VD_FILT GND

GND VA

POPGUARD(TSTO) VBIAS

VLS AMUTEC

SCLK AOUTA

SDIN TSTO

LRCK TSTO