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參數資料
型號: TLV320DAC3120IRHBR
廠商: TEXAS INSTRUMENTS INC
元件分類: DAC
英文描述: SERIAL INPUT LOADING, 24-BIT DAC, PQCC32
封裝: 5 X 5 MM, PLASTIC, QFN-32
文件頁數: 22/110頁
文件大小: 1230K
代理商: TLV320DAC3120IRHBR
www.ti.com
SLAS659 – NOVEMBER 2009
5.4.1
DAC Playback on Headphones, Mono, 48 kHz, DVDD = 1.8 V, AVDD = 3.3 V,
HPVDD = 3.3 V
DOSR = 128, Processing Block = PRB_P12 (Interpolation Filter B)
Power consumption = 15.4 mW
Table 5-1. PRB_P12 Alternative Processing Blocks, 15.4 mW
Processing Block
Filter
Estimated Power Change (mW)
PRB_P4
A
0.57
PRB_P5
A
1.48
PRB_P6
A
1.08
PRB_P13
B
0.56
PRB_P14
B
0.27
PRB_P15
B
0.89
PRB_P16
B
0.31
DOSR = 64, Processing Block = PRB_P12 (Interpolation Filter B)
Power consumption = 15.54 mW
Table 5-2. 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
5.4.2
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 5-3. 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
Copyright 2009, Texas Instruments Incorporated
APPLICATION INFORMATION
19
Product Folder Link(s): TLV320DAC3120
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