Datasheet

TLV320AIC1110
SLAS359 – DECEMBER 2001
5
www.ti.com
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 Vol
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
Voice
0 dB
or
6 dB
MUX
–12 to
12 dB
in 6dB
Steps
I C
MUX
IN
OUT
OUT
I/F
2