AN6426NK
s
Pin Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Symbol
GND
AGC
SAO
SAI
Vr2
VPO
RO1
RO2
RBO
RPO
RPI
MAI1
MAO1
TL1
TLO
ND1
ND2
TAI
TAO
ATC
TAC
Ground
Loudspeaker amp. time constant
Loudspeaker amp. output
Loudspeaker amp. input
Reference voltage (2)
Loudspeaker amp. power supply
Receiver output (1)
Receiver output (2)
Receiver buffer output
Receiver preamp. output
Receiver preamp. input
MIC amp. input (1)
MIC amp. output (1)
Transmitter LOG amp. input
Transmitter LOG amp. output
Noise detection time constant (1)
Noise detection time constant (2)
Transmitter att. input
Transmitter att. output
Att. timing control
Transmitter att. control
Description
Pin No.
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Symbol
AC
RAC
RVR
RAO
RAI
RLO
RLI
V
CC
2
Att. control
ICs for Telephone
Description
Receiver att. control
To receiver rheostat
Receiver att. output
Receiver att. input
Receiver LOG amp. output
Receiver LOG amp. input
Supply voltage (2)
Mute (R) Receiver mute
HSu/SPu HS/HF switching
Mute (S) Transmitter mute
APC
Vr1
VB
VCC
MAO2
MAO2
TSI
S0
VL
Auto. PAD control
Reference voltage (1)
Reference voltage
Supply voltage (1)
MIC amp. input (2)
MIC amp. output (2)
Transmitter signal input
Transmitter output
Line voltage
MFI MF MF signal input
2
PANASONIC [ PANASONIC SEMICONDUCTOR ]
