CS42406 datasheet(7/50 Pages) CIRRUS

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CS42406

DAC_FILT+

Positive Voltage Reference (

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

DAC_VQ

Quiescent Voltage (

Output) - Filter connection for internal quiescent voltage.

AINL

AINR

Analog Inputs

(Input) - The full scale analog input level is specified in the “ADC Analog Character-

istics (CS42406-CQZ)” on page 14.

ADC_VQ

Quiescent Voltage (

Output) - Filter connection for internal quiescent voltage.

AOUTB3

AOUTA3

AOUTB2

AOUTA2

AOUTB1

AOUTA1

Analog Outputs (

Output) - The full scale analog line output level is specified in the “DAC Analog

Characteristics (CS42406-CQZ)” on page 9.

MUTEC3

MUTEC2

MUTEC1

Mute Control (

Output) - Control signals for optional mute circuit.

Analog Power (

Input) - Positive power supply for the analog section.

ADC_FILT+

Positive Voltage Reference (

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

ADC_M1

ADC_M0

ADC Mode Selection (

Input) - Determines the operational speed mode of the ADC.

SDIN1

SDIN2

SDIN3

Serial Audio Data Input (

Input) - Input for two’s complement serial audio data.

DAC Control

Port Definitions

SCL/CCLK

Serial Control Port Clock (

Input) - Serial clock for the control port interface.

SDA/CDIN

Serial Control Data I/O (

Input/Output)

- Input/Output for I²C data. Input for SPI data.

AD0/CS

Address Bit / Chip Select (

Input) - Chip address bit in I²C Mode. Control signal used to select the

chip in SPI mode.

DAC Stand

Alone Defini-

tions

DIF1

DIF0

Digital Interface Format (

Input) - Defines the required relationship between the Left Right Clock,

Serial Clock and Serial Audio Data for the DAC.

DAC_M0

DAC_M1

Mode Selection (

Input) - Determines the operational speed mode of the DAC.

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