PCM1870 datasheet(28/52 Pages) TI2

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PCM1870

SLAS544A – MAY 2007 – REVISED SEPTEMBER 2007

B15

B14

B13

B12

B11

B10

IDX6

IDX5

IDX4

IDX3

IDX2

IDX1

IDX0

RSV

PAIR

PAIL

PADS

PMCB

PADR

PADL

IDX[6:0]: 101 0010b (52h) Register 82

PAIR: Power Up/Down for PG2 and PG6 (Gain Amplifier for Analog Input R-Channel)

PAIR: Power Up/Down for PG1 and PG5 (Gain Amplifier for Analog Input L-Channel)

Default value: 0

This bit is used to control power up/down for PG1, -2 and PG5, -6 (gain amplifier for analog input).

PAIR, PAIL = 0

Power down (default)

PAIR, PAIL = 1

Power up

PADS: Power Up/Down for D2S (Differential Amplifier) of AIN1L and AIN1R

Default value: 0

This bit is used to control power up/down for D2S (differential-to-single amplifier).

PADS = 0

Power down (default)

PADS = 1

Power up

PMCB: Power Up/Down Control for Microphone Bias Source

Default value: 0

This bit is used to control power up/down for the microphone bias source.

PMCB = 0

Power down (default)

PMCB = 1

Power up

PADR: Power Up/Down Control for ADR (ADC and Digital Filter R-Channel)

PADL: Power Up/Down Control for ADL (ADC and Digital Filter L-Channel)

Default value: 0

This bit is used to control power up/down for the ADC and decimation filter.

PADR, PADL = 0

Power down (default)

PADR, PADL = 1

Power up

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