- 制造厂商：TI
- 产品类别：音频
- 技术类目：音频放大器 - 扬声器放大器
- 功能描述：2.5W 单声道、10V 至 22V 电源电压、模拟输入 AB 类音频放大器
- 点击这里打开及下载LM380的技术文档资料
- TI代理渠道，提供当日发货、严格的质量标准，满足您的目标价格
The LM380 is a power audio amplifier for consumer applications. In order to hold system cost to a minimum, gain is internally fixed at 34 dB. A unique input stage allows ground referenced input signals. The output automatically self-centers to one-half the supply voltage.
The output is short circuit proof with internal thermal limiting. The package outline is standard dual-in-line. The LM380N uses a copper lead frame. The center three pins on either side comprise a heat sink. This makes the device easy to use in standard PC layouts.
Uses include simple phonograph amplifiers, intercoms, line drivers, teaching machine outputs, alarms, ultrasonic drivers, TV sound systems, AM-FM radio, small servo drivers, power converters, etc.
A selected part for more power on higher supply voltages is available as the LM384. For more information see SNAA086.
- Wide Supply Voltage Range: 10V-22V
- Low Quiescent Power Drain: 0.13W (VS= 18V)
- Voltage Gain Fixed at 50
- High Peak Current Capability: 1.3A
- Input Referenced to GND
- High Input Impedance: 150k?
- Low Distortion
- Quiescent Output Voltage is at One-Half of the Supply Voltage
- Standard Dual-In-Line Package
- Audio input type
- Analog Input
- Architecture
- Class-AB
- Speaker channels (Max)
- Mono
- Power stage supply (Max) (V)
- 22
- Power stage supply (Min) (V)
- 10
- Load (Min) (ohms)
- 4
- Output power (W)
- 2.5
- THD + N @ 1 kHz (%)
- 0.2
- Iq (Typ) (mA)
- 7
- Control interface
- Hardware
- Closed/open loop
- Open
- Analog supply (Min) (V)
- 10
- Analog supply (Max) (V)
- 22
- PSRR (dB)
- 38
- Operating temperature range (C)
- 0 to 70
LM380的完整型号有：LM380N-8/NOPB、LM380N/NOPB，以下是这些产品的关键参数及官网采购报价：
LM380N-8/NOPB，工作温度：0 to 70，封装：PDIP (P)-8，包装数量MPQ：40个，MSL 等级/回流焊峰值温度：Level-1-NA-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网LM380N-8/NOPB的批量USD价格：.692（1000+）
LM380N/NOPB，工作温度：0 to 70，封装：PDIP (N)-14，包装数量MPQ：25个，MSL 等级/回流焊峰值温度：Level-1-NA-UNLIM，引脚镀层/焊球材料：Call TI，TI官网LM380N/NOPB的批量USD价格：.692（1000+）
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