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参数资料
| 型号： | LA7286 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| 封装： | SDIP-24 |
| 文件页数： | 7/10页 |
| 文件大小： | 180K |
| 代理商： | LA7286 |
Pin Functions
Unit (resistance:
)
Pin No.
Function name
Internal circuit for pin
Description of function
1
Recording bias
automatic control
output
EE, PB
→ off
REC
→ control voltage
2
Head switch
(high withstand
voltage)
EE, PB
→ on
REC
→ off
On resistance
→10 (typ)
Withstand voltage when off
→ ±45 V
(f = 80 kHz)
3
GND
GND for pin 2 head switch and
Equalizer Amplifier only
4
EQ AMP input
Input impedance for playback signal
input from head
→ 120 k (typ)
5
EQ switch 1
Switches the Playback Equalizer
Amplifier high-region frequency
voltage gain.
LP, SP
→ on
EP
→ off
On resistance
→ 20 (typ)
6
EQ AMP NFB
Equalizer Amplifier negative
feedback pin
7
GND
GND for all circuit blocks except the
pin 2 head switch and Equalizer
Amplifier
Continued on next page.
LA7286
No.4750-6/10
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