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參數(shù)資料
| 型號： | TWL1102PBS |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP32 |
| 封裝： | PLASTIC, TQFP-32 |
| 文件頁數(shù)： | 16/29頁 |
| 文件大小： | 387K |
| 代理商： | TWL1102PBS |
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TWL1102
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLVS264 – NOVEMBER 1999
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
receive operation (continued)
receive volume control
The values in the volume control PGA control registers provide volume control into the earphone. Volume
control gain is set from 0 dB to –18 dB in 2-dB steps through the I2C interface. The default RX volume control
gain is 0 dB.
Table 7. rx Volume Control
BIT NAME
RELATIVE GAIN
RV3
RV2
RV1
RV0
MIN
TYP
MAX
UNIT
0
– 0.2
0
0.2
dB
0
1
– 2.2
–2
–1.8
dB
0
1
0
– 4.2
–4
– 3.8
dB
0
1
– 6.2
–6
– 5.8
dB
0
1
0
– 8.2
–8
–7.8
dB
0
1
0
1
–10.2
–10
– 9.8
dB
0
1
0
–12.2
–12
–11.8
dB
0
1
–14.2
–14
–13.8
dB
1
0
–16.2
–16
–15.8
dB
1
0
1
–18.2
–18
–17.8
dB
earphone amplifier
The analog signal can be routed to one of two earphone amplifiers: one with differential output (EAR1ON and
EAR1OP) capable of driving a 16
load, or one with single-ended output (EAR2O) capable of driving a 32
load.
earphone mute function
Muting can be selected by setting bit 3 of the power control register through the I2C interface.
receive PCM data format
D Companded mode: 8 bits are received, the most significant (MSB) first.
D Linear mode: 15 bits are received, MSB first.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TWL1103 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:VOICE-BAND AUDIO PROCESSOR VBAPE |
| TWL1103GQE | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TWL1103GQER | 功能描述:VOICE BAND AUDIO PROC 80-BGA RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:VBAP™ 其它有關(guān)文件:STA321 View All Specifications 標準包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6 |
| TWL1103PBS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TWL1103PBSR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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