CS42432-DMZ datasheet(7/59 Pages) CIRRUS

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DS673F1

CS42432

AUX_SCLK

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

AUX_SDIN

Auxiliary Serial Input (Input) - The 42432 provides an additional serial input for two’s comple-

ment serial audio data.

AOUT1 +,-

AOUT2 +,-

AOUT3 +,-

AOUT4 +,-

AOUT5 +,-

AOUT6 +,-

20,19

21,22

24,23

25,26

28,27

29,30

Differential Analog Output (Output) - The full-scale differential analog output level is specified in

the Analog Characteristics specification table. Each positive leg of the differential outputs may

also be used single-ended.

TSTO

31,32

33,34

Test Out - These pins are outputs used for test purposes only. They must not be connected to any

external trace or other connection.

TSTN

49,50

51,52

Test In - These pins are inputs used for test purposes only. They must be tied to ground for nor-

mal operation.

AGND

35,48 Analog Ground (Input) - Ground reference for the analog section.

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

37,46 Analog Power (Input) - Positive power supply for the analog section.

AIN1 +,-

AIN2 +,-

AIN3 +,-

AIN4 +,-

39,38

41,40

43,42

45,44

Differential Analog Input (Input) - Signals are presented differentially to the delta-

sigma modulators. The full-scale input level is specified in the Analog Characteristics

specification table.

FILT+

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

cuits.

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