AN6150 Datasheet, PDF (1/5 Pages) Panasonic Semiconductor – Speech Network Circuit

AN6150
Speech Network Circuit
s Overview
The AN6150 is an integrated circuit designed for telephone
speech network. It has the basic function necessary to apply a
sound signal onto the line and is applicable for various types of
handsets.
s Features
• Wide operating voltage range : 3 to 11.5V
• Built-in amplifiers for “Dial Tone” and “DTMF”
• Amplifier output switchable.
• Each amplifier gain automatically changeable depending on
line current.
• Various types of microphones and receivers are available.
Unit : mm
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
6.2±0.3
1.1±0.25
5.2±0.25 3.05±0.25
3 to 15˚
7.62±0.25
0.3^{+–0.01.05}
16-pin DIL Plastic Package (DIP016-P-0300D)
s Block Diagram
VL
VLC
ST
16
15
14
SF
MIC
DT
DM
KT
13
12
11
10
9
V-I
Control
SEND
Main
Amp.
2V
REG
1V
REG
Current
Check
MIC
Pre-
Amp.
ATT
DTMF
Pre-
Amp.
ATT
REC
Main
Amp.
Logic
KT
Pre-
Amp.
REC
Pre- ATT
Amp.
1
2
3
4
5
6
7
8
GND
V2
V1
AP
RO1
RO2
RF
RI