AN6152
Speech Network Circuit
s
Overview
The AN6152 is an integrated circuit designed for telephone
speech network. It has the basic function which is necessary to
apply a sound signal onto the line and excellent in branch per-
formance.
19.2±0.3
1
2
3
4
5
6
7
8
6.2±0.3
5.2±0.25
16
15
14
13
12
11
10
9
1.1±0.25
3.05±0.25
2.54
1
+ 0. 5
0.0
Unit : mm
0.5±0.1
1.22±0.25
s
Features
•
Wide operating voltage range : 3 to 11.5V
•
Built-in amplifiers for “Dial Tone” and “DTMF”
•
Amplifier
•
Each amplifier gain automaticaly changeable depending on
line current.
•
Various types of microphone and receiver are available.
0.3
–
3 to 15˚
7.62±0.25
16-pin DIP Package (DIP016-P-0300D)
s
Block Diagram
V
CC
16
V
L
15
ST
14
AP
13
NF
12
MI2
11
MI1
10
DT
9
Current
Source
ATT
Control
MIC
Pre Amp.
SEND
Main Amp.
ATT
KT
Pre Amp.
DTMF
Pre
Amp.
REC
Main Amp.
ATT
REC
Pre Amp.
Logic
V
REF
1
GND
2
RO1
3
RO2
4
RF
5
RI
6
KT
7
DM
8
Vr