參數(shù)資料
型號: TWL1103PBS
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP32
封裝: PLASTIC, QFP-32
文件頁數(shù): 16/32頁
文件大小: 476K
代理商: TWL1103PBS
TWL1103
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS108A – JULY 2000 – JANUARY 2001
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: eight 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
TWL1103PBSR 制造商:Rochester Electronics LLC 功能描述:- Bulk
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:未知廠家 制造商全稱:未知廠家 功能描述:Automotive Catalog Voice-Band Audio Processor (VBAP)
TWL1106 制造商:TI 制造商全稱:Texas Instruments 功能描述:VOICE-BAND AUDIO PROCESSOR (VBAPa?¢)