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參數(shù)資料
| 型號： | TWL1110PBS |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP32 |
| 封裝： | PLASTIC, QFP-32 |
| 文件頁數(shù)： | 16/40頁 |
| 文件大?。?/td> | 564K |
| 代理商： | TWL1110PBS |
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TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
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 for 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 5. 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 either of two earphone amplifiers: one with a differential output (EAR1ON
and EAR1OP) capable of driving a 8-
load, or one with a single-ended output (EAR2O) capable of driving a
8-
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 |
|---|---|
| TWL1110PBSR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TWL1110TQFP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:VOICE-BAND AUDIO PROCESSOR VBAPE |
| TWL1200 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SDIO, UART, AND AUDIO VOLTAGE-TRANSLATION TRANSCEIVER |
| TWL1200IPFBRQ1 | 功能描述:轉(zhuǎn)換 - 電壓電平 SDIO,UART,and Audio Vltg-Level Xcvr RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| TWL1200-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SDIO, UART, AND AUDIO VOLTAGE-TRANSLATION TRANSCEIVER |
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