
TP3054B, TP3057B, TP13054B, TP13057B
MONOLITHIC SERIAL INTERFACE
COMBINED PCMCODEC AND FILTER
SCTS042A – MAY 1990 – REVISED JULY 1996
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
R2
GSX
14
VBB
ANLG GND
VCC
4
1
2
–5 V
FSX
5 V
9
8
10
7
12
5
MCLKX
MCLKR/
PDN
BCLKX BCLKR/
CLKSEL
FSR
TSX
13
Power
Amplifier
Timing and Control
DR
6
CLK
Receive
Regulator
S/H
DAC
RC Active
Filter
11
DX
OE
Transmit
Regulator
A/D
Control
Logic
Comparator
Voltage
Reference
Autozero
Logic
S/H
DAC
Switched-
Capacitor
Band-Pass Filter
RC
Active Filter
3
VFRO
+
–
VFXI+16
R1
15
VFXI–
Analog
Input
Switched-
Capacitor
Low-Pass Filter