參數(shù)資料
型號(hào)： TWL1103TPBSRQ1
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, TQFP-32
文件頁(yè)數(shù)： 15/30頁(yè)
文件大?。?/td> 458K
代理商： TWL1103TPBSRQ1
TWL1103T Q1
VOICEBAND AUDIO PROCESSOR (VBAP)
SGLS120B APRIL 2002 REVISED APRIL 2008
22
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
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?￠)
TWL1106PWR 制造商:Rochester Electronics LLC 功能描述:- Bulk
TWL1107 制造商:TI 制造商全稱:Texas Instruments 功能描述:VOICE-BAND AUDIO PROCESSOR (VBAP?￡a)
TWL1107PW 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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