TLC320AD545 Datasheet, PDF (8/37 Pages) Texas Instruments – Single Channel Data/Fax Codec

1.2 Functional Block Diagram
Data
Channel
Serial
Port
Flash
Write
Enable
Control
Logic
H
Y
B
R
Data Channel
I
Codec
D
A
M
P
DRVR
1.3 Analog Block Diagram
DTRX_FB
Data (Hybrid)
DTRXM
DTRXP
DT_REF
DTTX_OUTP
DTTX_INM
DTTX_INP
DTTX_OUTM
–
+
2.5 V/1.5 V
–
16-Bit
+
ADC
Data_In PGA
2.5 V ^{0/6/12/18 dB Gain}
with Mute
MonOut PGA
0/3/6/9/12 dB Gain
with Mute
–
+ _{Data (Hybrid)}
2.5 V/1.5 V
+
–
16-Bit
DAC
M
–
U
+
X
–
+
8-Ω Speaker Buffer
0 dB or Mute
MONOUTP
MONOUTM
DT_BUFP
DT_BUFM
–
+
2.5 V/1.5 V
+
–
0/-6/-12/-18 dB or Mute
600-Ω Data_Out PGA
1–2