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参数资料
| 型号： | LA7471M |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2 CHANNEL, AUDIO PREAMPLIFIER, PQFP36 |
| 封装： | QFP-36 |
| 文件页数： | 8/10页 |
| 文件大小： | 180K |
| 代理商： | LA7471M |
Continued from preceding page.
Unit (resistance:
)
No. 4488-7/10
LA7471M
Pin No.
Function
Internal Circuit
DC Voltage
Description
8
20
9
10
11
12
13
14
15
HPF out
AMP NFB
AMP out
LPF in
LPF out
VCC
EXT VCC power
Gain CTL
2.1 V
VCC
Output for the high-pass filter 5 dB amplifier and the
EXT mode 15 dB amplifier
NFB for the amplifier that adjusts the wind noise
exclusion high-pass filter on/off level
Output for the amplifier that adjusts the wind noise
exclusion high-pass filter on/off level
This is a low impedance output.
Buffer input for forming a low-pass filter.
The input impedance is 200 k
.
Buffer output for forming a low-pass filter.
This is a low impedance output.
Power supply for circuits other than the external
VCC circuit
External VCC circuit power supply
Gain control pin
High level (4 V or higher): 6 dB
Mid level (2 to 3 V):
3 dB
Low level (1 V or lower): 0 dB
Continued on next page.
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相关代理商/技术参数 |
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| LA7472M | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| LA7473V | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| LA7477W | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| LA7505 | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
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