CDB43L43 Ver la hoja de datos (PDF) - Cirrus Logic

Número de pieza

componentes Descripción

Fabricante

CDB43L43

Low Voltage, Stereo DAC with Headphone Amp

Cirrus Logic 

1.0 PIN DESCRIPTION

LRCK 1

SDATA 2

SCLK/DEM 3

VL 4

MCLK 5

DIF0/SCL 6

VQ_HP 7

REF_GND 8

16 RST

15 DIF1/SDA

14 HP_B

13 VA_HP

12 VA

11 GND

10 HP_A

9 FILT+

CS43L43

Pin Name

LRCK

SDATA

SCLK

DEM

VL

MCLK

VQ_HP

REF_GND

FILT+

HP_A

HP_B

GND

VA

VA_HP

RST

Stand-Alone

Definitions

DIF0

DIF1

Control Port

Definitions

SCL

SDA

# Pin Description

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

serial audio data line.

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

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

3 De-emphasis Control (Input) - Selects the standard 15µs/50µs digital de-emphasis filter

response for 44.1 kHz sample rates.

4 Logic Power (Input) - Positive power for the serial audio & control port interface.

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

7 Headphone Quiescent Voltage (Output) - Filter connection for internal headphone amp quies-

cent reference voltage.

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

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

cuits.

10 Headphone Outputs (Output) - The full-scale analog headphone output level is specified in the

14 Analog Characteristics table.

11 Ground (Input) - Ground reference.

12 Power (Input) - Positive power for the analog & digital sections.

13 Headphone Amp Power (Input) - Positive power for the headphone amplifier.

16 Reset (Input) - Powers down device and resets registers to default conditions when enabled.

6 Digital Interface Format (Input) - Defines the required relationship between the Left Right

15 Clock, Serial Clock, and Serial Audio Data.

6 Serial Control Port Clock (Input) - Serial clock for the control port interface.

15 Serial Control Data I/O (Input/Output) - Input/Output for I2C data.

4

DS479PP3

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