Audio Control FOUR.1i Specifications download pdf (Page 44)

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LEFT_LOP_x

RIGHT_LOP_x

LEFT_LOM_x

RIGHT_LOM_x

SW-L0

SW-R0

SW-L3

SW-R3

SW-L1

SW-R1

SW-L4

SW-R4

SW-L2

SW-R2

LINE1LP_x

LINE2RP_x

LINE1LM_x

LINE2RM_x

LINE1LP_x

LINE2RP_x

LINE1LM_x

LINE2RM_x

LINE2LP_x

LINE1RP_x

LINE2LP_x

LINE1RP_x

B0174-03

LINE1RM_x

SW-L5

SW-R5

LINE1RM_x

LINE2LM_x

MICBIAS_x GENERATION

TLV320AIC34

SLAS538A – OCTOBER 2007 – REVISED NOVEMBER 2007

Figure 32. Passive Analog Bypass Mode Configuration

The TLV320AIC34 includes a programmable microphone bias output voltage (MICBIAS_x) in each partition,

capable of providing output voltages of 2 V or 2.5 V (both derived from the on-chip band-gap voltage) with 4-mA

output current drive. In addition, MICBIAS_x can be programmed to be switched to AVDD_ADC directly through

an on-chip switch, or it can be powered down completely when not needed, for power savings. This function is

controlled by register programming in page 0, register 25 in each partition.

Product Folder Link(s): TLV320AIC34

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Audio Control FOUR.1i Specifications Page 44

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