參數(shù)資料
型號(hào): 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): 34/40頁
文件大?。?/td> 564K
代理商: TWL1110PBS
TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
PCMIN
PCMSYN
PCMCLK
MIC1P
MIC1N
MIC2P
MIC2N
MIC
Amplifier
1
g
=
23.5
dB
MIC
Amplifier
2
g
=
6
or
18
dB
Analog
Modulator
TX
Filter
and
PGA
g
=
–10
dB
to
0
dB
PCM
Interface
Sidetone
g
=
–24
db
to
–12
dB
RX
V
o
l
Control
g
=
–18
dB
to
0
dB
RX
Filter
and
PGA
g
=
6
dB
to
+6
dB
Digital
Modulator
and
Filter
Ear
Amp1
Ear
Amp2
DTMF
Generator
Control
Bus
REF
PLL
Buzzer
Control
Power
and
RESET
SCLK
SDATA
MBIAS
REXT
MCLK
RESET
SS
EARV
DD
EARV
SS
PLLV
DD
PLLV
SS
DV
DD
DV
SS
AV
DD
AV
SS
V
PWRUPSEL
PCMOUT
EAR1OP
EAR1ON
EAR2O
BUZZCON
DTMF
GAIN
DTMF
V
oice
0
dB or
6
dB
MUX
–12
to
12
dB
in
6dB
Steps
I
C
MUX
IN
OUT
I/F
2
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