LA74309FA:Microphone Amplifier
The LA74309FA buili-in the power amplifier circuit capable of low-voltage (2.7V and up) operation and has additionally a standby function to reduce the current drain. It is a power amplifier IC optimal for speaker drive used in battery-driven portable equipment and other such products.
技术特性
- On-chip 2-channel power amplifier
Output power 1 = 350mW typ. (VCC = 5.0V, RL = 4Ω, THD = 10%)
Output power 2 = 150mW typ. (VCC = 3.6V, RL = 4Ω, THD = 10%)
- Enables monaural BTL output system by changing externally connected components
Output power 3 = 700mW typ. (VCC = 5.0V, RL = 8Ω, THD = 10%)
Output power 4 = 320mW typ. (VCC = 3.6V, RL = 8Ω, THD = 10%)
- Low-voltage operation possible
VCC =2.7V and up
- Standby function
Current drain at standby = 0.1µA typ. (VCC = 5V)
- Voltage gain setting possible
Voltage gain = 3 to 20dB
- Second amplifier stop control function
Reducing the pop noise at startup (in BTL mode)
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封装图 PACKAGE DIMENSIONS
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订购信息 Ordering Information
| 产品 |
状况 |
Compliance |
具体说明 |
封装 |
MSL* |
容器 |
预算价格 (1千个数量的单价） |
| 类型 |
外形 |
类型 |
数量 |
| LA74309FA-BH |
Active |
|
Microphone Amplifier |
Micro10 |
846B |
1 |
Tape and Reel |
4000 |
$0.9648 |
数据资料DataSheet下载
