CS42432-CMZ datasheet(30/62 Pages) CIRRUS

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Numer części	CS42432-CMZ

Szczegółowy opis	108 dB, 192 kHz 4-in, 6-out TDM CODEC

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Producent	CIRRUS [Cirrus Logic]

Strona internetowa	http://www.cirrus.com

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DS673PP2

5.3.3 Digital Volume Control

Hardware Mode

DAC Volume Control and Mute are not accessible in Hardware Mode.

Software Mode

Each DAC’s output level is controlled via the Volume Control registers operating over the range

of 0 to -127.5 dB attenuation with 0.5 dB resolution. See “AOUTX Volume Control (addresses

08h-0D)” on page 45. Volume control changes are programmable to ramp in increments of

0.125 dB at the rate controlled by the SZC[1:0] bits in the Digital Volume Control register. See

“Transition Control (address 06h)” on page 44.

Each output can be independently muted via mute control bits in the register “DAC Channel

Mute (address 07h)” on page 45. When enabled, each AOUTx_MUTE bit attenuates the corre-

sponding DAC to its maximum value (-127.5 dB). When the AOUTx_MUTE bit is disabled, the

corresponding DAC returns to the attenuation level set in the Volume Control register. The at-

tenuation is ramped up and down at the rate specified by the SZC[1:0] bits.

5.3.4 De-Emphasis Filter

The CS42432 includes on-chip digital de-emphasis optimized for a sample rate of 44.1 kHz. The

filter response is shown in Figure 12. The de-emphasis feature is included to accommodate au-

dio recordings that utilize 50/15

µs pre-emphasis equalization as a means of noise reduction.

AOUTx+

AOUTx-

Full-Scale Differential Output Level =

(AOUTx+) - (AOUTx-) = 6.5 VPP = 2.3 VRMS

4.125 V

2.5 V

0.875 V

5.0 V

4.125 V

2.5 V

0.875 V

Figure 11. Full-Scale Output

Podobny numer części - CS42432-CMZ

Producent	Numer części	Arkusz danych	Szczegółowy opis
Cirrus Logic	CS42432-CMZ	1Mb / 59P	108 dB, 192 kHz 4-In, 6-Out TDM CODEC
	CS42432-CMZ	1Mb / 58P	108 dB, 192 kHz 4-In, 6-Out TDM CODEC
	CS42432-CMZR	1Mb / 59P	108 dB, 192 kHz 4-In, 6-Out TDM CODEC
	CS42432-CMZR	1Mb / 58P	108 dB, 192 kHz 4-In, 6-Out TDM CODEC

More results

Podobny opis - CS42432-CMZ

Producent	Numer części	Arkusz danych	Szczegółowy opis
Cirrus Logic	CS42432	1Mb / 59P	108 dB, 192 kHz 4-In, 6-Out TDM CODEC
	CS42432	1Mb / 58P	108 dB, 192 kHz 4-In, 6-Out TDM CODEC
	CS42436	1Mb / 62P	108 dB, 192 kHz 6-in, 6-out TDM CODEC
	CS42436	1Mb / 66P	108 dB, 192 kHz 6-in, 6-out TDM CODEC
	CS42436	1Mb / 61P	108 dB, 192 kHz 6-In, 6-Out TDM CODEC
	CS42438	1Mb / 61P	108 dB, 192 kHz 6-In, 8-Out TDM CODEC
	CS42438	1Mb / 62P	108 dB, 192 kHz 6-in, 8-out TDM CODEC
	CS42438	1Mb / 64P	108 dB, 192 kHz 6-in, 8-out TDM CODEC
	CS42435	1Mb / 58P	108 dB, 192 kHz 4-In, 8-Out TDM CODEC
	CS42435	1Mb / 57P	108 dB, 192 kHz 4-In, 8-Out TDM CODEC

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