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参数资料
| 型号： | LA7289 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| 封装： | SDIP-24 |
| 文件页数： | 2/11页 |
| 文件大小： | 213K |
| 代理商： | LA7289 |
No. 5642-10/11
LA7289
Continued from the preceding page.
Pin No.
Function
Function description
Internal circuit
18
Muting control
When the pin 18 voltage is:
3.6 to 6.0 V: Muting will be on.
0.0 to 1.5 V: Muting will be off.
19
Record/EE control
When the pin 19 voltage is:
3.0 to 6.0 V: Record mode
0.0 to 1.0 V: EE mode
20
Power supply (VCC)VCC max = 14 V
VCC = 8.5 V to 12.5 V
21
Ripple filter
Connect an electrolytic capacitor between
this pin and ground to remove ripple
from the power supply.
22
Record amplifier output
Output impedance
→ 50 (typical)
23
Record bias automatic control input
EE and playback modes
→ On
and playback switch
Record mode
→ Off
On resistance
→ 20 (typical)
24
EQ switch 2
This pin switches the high-band peaking
frequency in record and playback modes.
REC
PB
EP
On
LP
On
Off
SP
Off
On resistance: 30
(typical)
Power supply
for all circuit
blocks
A06836
A06837
A06838
A06839
A06840
A06841
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