參數(shù)資料
型號: TLV320AIC3120IRHBR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: AUDIO AMPLIFIER, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數(shù): 67/150頁
文件大?。?/td> 1507K
代理商: TLV320AIC3120IRHBR
www.ti.com
SLAS653 – FEBRUARY 2010
DOSR = 64, Processing Block = PRB_P12 (Interpolation Filter B)
Power consumption = 15.54 mW
Table 5-6. PRB_P12 Alternative Processing Blocks, 15.54 mW
Processing Block
Filter
Estimated Power Change (mW)
PRB_P4
A
0.37
PRB_P5
A
1.23
PRB_P6
A
1.15
PRB_P13
B
0.43
PRB_P14
B
0.13
PRB_P15
B
0.85
PRB_P16
B
0.21
5.4.4
DAC Playback on Headphones, Mono, 8 kHz, DVDD = 1.8 V, AVDD = 3.3 V,
HPVDD = 3.3 V
DOSR = 768, Processing Block = PRB_P12 (Interpolation Filter B)
Power consumption = 14.49 mW
Table 5-7. PRB_P12 Alternative Processing Blocks, 14.49 mW
Processing Block
Filter
Estimated Power Change (mW)
PRB_P4
A
–0.04
PRB_P5
A
0.2
PRB_P6
A
–0.01
PRB_P13
B
0.1
PRB_P14
B
0.05
PRB_P15
B
–0.03
PRB_P16
B
0.07
DOSR = 384, Processing Block = PRB_P12 (Interpolation Filter B)
Power consumption = 14.42 mW
Table 5-8. PRB_P12 Alternative Processing Blocks, 14.42 mW
Processing Block
Filter
Estimated Power Change (mW)
PRB_P4
A
0.16
PRB_P5
A
0.3
PRB_P6
A
0.2
PRB_P13
B
0.15
PRB_P14
B
0.07
PRB_P15
B
0.18
PRB_P16
B
0.09
5.5
Audio ADC and Analog Inputs
5.5.1
MICBIAS and Microphone Preamplifier
The TLV320AIC3120 includes a microphone bias circuit which can source up to 4 mA of current, and is
programmable to a 2-V, 2.5-V, or AVDD level. The level can be controlled by writing to page 1 / register
46, bits D1–D0. This functionality is shown in Table 5-9.
Copyright 2010, Texas Instruments Incorporated
APPLICATION INFORMATION
23
Product Folder Link(s): TLV320AIC3120
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