- 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：5W 单声道、12V 至 26V 电源电压、模拟输入 AB 类音频放大器
- 点击这里打开及下载LM384的技术文档资料
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The LM384 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. A copper lead frame is used with the center three pins on either side comprising a heat sink. This makes the device easy to use in standard p-c layout.
Uses include simple phonograph amplifiers, intercoms, line drivers, teaching machine outputs, alarms, ultrasonic drivers, TV sound systems, AM-FM radio and sound projector systems. See SNAA086 for circuit details.
- Wide Supply Voltage Range: 12V to 26V
- Low Quiescent Power Drain
- Voltage Gain Fixed at 50
- High Peak Current Capability: 1.3A
- Input Referenced to GND
- High Input Impedance: 150k?
- Low Distortion: 0.25% (PO=4W, RL=8?)
- Quiescent Output Voltage is at One Half of the Supply Voltage
- 14-Pin PDIP Package
All trademarks are the property of their respective owners.
- Audio input type
- Analog Input
- Architecture
- Class-AB
- Speaker channels (Max)
- Mono
- Power stage supply (Max) (V)
- 26
- Power stage supply (Min) (V)
- 12
- Load (Min) (ohms)
- 4
- Output power (W)
- 5
- THD + N @ 1 kHz (%)
- 0.25
- Iq (Typ) (mA)
- 8.5
- Control interface
- Hardware
- Closed/open loop
- Open
- Analog supply (Min) (V)
- 12
- Analog supply (Max) (V)
- 26
- PSRR (dB)
- 31
- Operating temperature range (C)
- 0 to 70
LM384的完整型号有：LM384N/NOPB，以下是这些产品的关键参数及官网采购报价：
LM384N/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LM384N/NOPB的批量USD价格：.798（1000+）
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