參數(shù)資料
型號(hào)： TWL1103PBSR
廠(chǎng)商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP32
封裝： PLASTIC, QFP-32
文件頁(yè)數(shù)： 15/32頁(yè)
文件大?。?/td> 476K
代理商： TWL1103PBSR
TWL1103
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS108A – JULY 2000 – JANUARY 2001
22
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
receive operation
receive channel gain control
The values in the receive PGA control registers control the gain in the receive path. PGA gain is set from – 6dB
to 6 dB in 1-dB steps through the I2C interface. The default receive channel gain is –1 dB.
Table 5. Receive PGA Gain Control
BIT NAME
RELATIVE GAIN
RP3
RP2
RP1
RP0
MIN
TYP
MAX
UNIT
0
5.8
6
6.2
dB
0
1
4.8
5
5.2
dB
0
1
0
3.8
4
4.2
dB
0
1
2.8
3
3.2
dB
0
1
0
1.8
2
2.2
dB
0
1
0
1
0.8
1
1.2
dB
0
1
0
– 0.2
0
0.2
dB
0
1
–1.2
–1
– 0.8
dB
1
0
– 2.2
– 2
–1.8
dB
1
0
1
– 3.2
– 3
– 2.8
dB
1
0
1
0
– 4.2
– 4
– 3.8
dB
1
0
1
– 5.2
– 5
– 4.8
dB
1
0
– 6.2
– 6
– 5.8
dB
sidetone gain control
The values in the sidetone PGA control registers control the sidetone gain. Sidetone gain is set from –12 dB
to – 24 dB in 2-dB steps through the I2C interface. Sidetone can be muted by setting bit 7 of the power control
register. The default sidetone gain is –12 dB.
Table 6. Sidetone Gain Control
BIT NAME
RELATIVE GAIN
ST2
ST1
ST0
MIN
TYP
MAX
UNIT
0
–12.2
–12
–11.8
dB
0
1
–14.2
–14
–13.8
dB
0
1
0
–16.2
–16
–15.8
dB
0
1
–18.2
–18
–17.8
dB
1
0
– 20.2
– 20
–19.8
dB
1
0
1
– 22.2
– 22
– 21.8
dB
1
0
– 24.2
– 24
– 23.8
dB
相關(guān)PDF資料
PDF描述
TWL1103GQER SPECIALTY CONSUMER CIRCUIT, PBGA80
TWL1103TPBSQ1 SPECIALTY CONSUMER CIRCUIT, PQFP32
TWL1103TPBSRQ1 SPECIALTY CONSUMER CIRCUIT, PQFP32
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TWL1106PW SPECIALTY CONSUMER CIRCUIT, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TWL1103TPBSQ1 功能描述:音頻 DSP Auto Cat Voice-Band Audio Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TWL1103TPBSRQ1 功能描述:音頻 DSP Auto Cat Voice-Band Audio Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TWL1103T-Q1 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Automotive Catalog Voice-Band Audio Processor (VBAP)
TWL1106 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:VOICE-BAND AUDIO PROCESSOR (VBAPa?￠)
TWL1106PWR 制造商:Rochester Electronics LLC 功能描述:- Bulk
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