参数资料
型号: TLV320AIC32IRHBRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC32
封装: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件页数: 28/80页
文件大小: 1270K
代理商: TLV320AIC32IRHBRG4
RIGHT_LOP
RIGHT_LOM
LINE1R
LINE2R
SW-R0
SW-R1
SW-R2
LEFT_LOP
LEFT_LOM
LINE1L
LINE2L
SW-L0
SW-L1
SW-L2
MIC1R/LINE1R
LINE1R
MIC2R/LINE2R
LINE2R
MIC1L /LINE1L
LINE1L
MIC2L /LINE2L
LINE2L
MICBIAS GENERATION
SLAS479C – AUGUST 2005 – REVISED DECEMBER 2008 ............................................................................................................................................. www.ti.com
In general, connecting two switches to the same output pin should be avoided, as this error shorts two input
signals together, which would likely cause distortion of the signal as the two signal are in contention. Poor
frequency response would also likely occur.
Figure 30. Passive Analog Bypass Mode Configuration
The TLV320AIC32 includes a programmable microphone bias output voltage (MICBIAS), capable of providing
output voltages of 2.0 V or 2.5 V (both derived from the on-chip bandgap voltage) with 4-mA output current drive.
In addition, the MICBIAS may be programmed to be switched to AVDD 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/Reg-25.
34
Copyright 2005–2008, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC32
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