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參數(shù)資料
| 型號： | AN7384N |
| 廠商： | PANASONIC CORP |
| 元件分類： | 音頻控制 |
| 英文描述： | Electronic Volume IC for Cassette Deck |
| 中文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件頁數(shù)： | 4/4頁 |
| 文件大?。?/td> | 47K |
| 代理商： | AN7384N |
AN7384N
ICs for Audio Common Use
Equivalent Circuit
Impedance
Description
Pin No.
Pin Name
NC
10
Volume Mode/Balance
Mode Switching
6
A-ch. Control
Voltage Output
9
GND
12
8
B-ch. Control
Voltage Output
Control mode switching pin
Low – independent volume control
High – coalition volume balance control
mode
Control DC voltage buffer output pin
Control system GND pin
Control voltage buffer output input to
Pin7
11
Reference voltage output pin
B-ch. GND
14
B-ch. side VCA system GND pin
Negative Side Power Supply
16
Negative side supply pin
6
8
10
V
ref
2
11
Reference Voltage
Output
I
Pin Descriptions (Cont.)
Supplementary Explanation
Electrical Caracteristics Design Reference Value
Crosstalk
Control Voltage at –20dB
Attenuation Characteristics
Attenuation Characteristics Balance
The ratio of V
cont.1
to V
ref
Control Power Supply
CT
V
cont1
SLO
ATT–B
ATT–V
V
ref
V
in
= 0dBV, V
cont
= V
ref
V
in
= 0dBV, V
out
= –20dBV
V
in
= 0dBV, V
cont.1
→
V
cont.
– 0.5V
V
in
= 0dBV, V
cont.
= V
cont.1
→
V
cont.
– 0.5V
1.8
– 15.5
– 1.4
0.25
4.8
– 85
2
– 12
0
0.4
5
– 80
2.2
– 9.5
1.4
0.55
5.2
dBV
V
dB
dB
dB
V
Parameter
Symbol
Condition
min.
typ.
max.
Unit
Pin No.
5
7
Volume Mode
Volume Control
Volume Control
Balance Mode
Volume Control
Balance Control
Mode
Volume Mode
Operation Description
Control each channel independently
Control volume at Pin5 simultaneously.
Control right and left balance at Pin6
Balance Mode
Note) Center at 1/2V
ref
Operation Mode and Control Pin
This IC is an integrated circuit for +, –2 power supply.
When user use this IC at – power supply, making reference voltage outside with OP amp. is needed.
As this IC is apt to be influenced by supply impedance, it needs capacitors of more than 47
μ
F between V
CC
and GND, more
than 47
μ
F between V
EE
and GND.
Precautions on Use
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