- 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：11W 立体声、9V 至 32V 电源电压、模拟输入 AB 类音频放大器
- 点击这里打开及下载LM4752的技术文档资料
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The LM4752 is a stereo audio amplifier capable of delivering 11W per channel of continuous average output power to a 4? load, or 7W per channel into 8? using a single 24V supply at 10% THD+N.
The LM4752 is specifically designed for single supply operation and a low external component count. The gain and bias resistors are integrated on chip, resulting in a 11W stereo amplifier in a compact 7 pin TO-220 package. High output power levels at both 20V and 24V supplies and low external component count offer high value for compact stereo and TV applications. A simple mute function can be implemented with the addition of a few external components.
- Drives 4? and 8? Loads
- Internal Gain Resistors (AV = 34 dB)
- Minimum External Component Requirement
- Single Supply Operation
- Internal Current Limiting
- Internal Thermal Protection
- Compact 7-lead TO-220 Package
- Low Cost-Per-Watt
- Wide Supply Range 9V - 40V
- Output Power at 10% THD+N with 1kHz into 4? VCC = 24V 11 W (typ)
- Output Power at 10% THD+N with 1kHz into 8? VCC = 24V 7 W (typ)
- Closed Loop Gain 34 dB?(typ)
- PO at 10% THD+N @ 1 kHz into 4? Single-Ended DDPAK Package VCC = 12V 2.5 W (typ)
- PO at 10% THD+N @ 1kHz into 8? Bridged DDPAK Package VCC = 12V 5 W (typ)
All trademarks are the property of their respective owners.
- Audio input type
- Analog Input
- Architecture
- Class-AB
- Speaker channels (Max)
- Stereo
- Power stage supply (Max) (V)
- 16
- Power stage supply (Min) (V)
- 9.6
- Load (Min) (ohms)
- 4
- Output power (W)
- 11
- THD + N @ 1 kHz (%)
- 0.08
- Iq (Typ) (mA)
- 5.25
- Control interface
- Hardware
- Closed/open loop
- Closed
- Analog supply (Min) (V)
- 9.6
- Analog supply (Max) (V)
- 16
- PSRR (dB)
- 50
- Operating temperature range (C)
- 0 to 70
LM4752的完整型号有：LM4752TS/NOPB，以下是这些产品的关键参数及官网采购报价：
LM4752TS/NOPB，工作温度：0 to 70，封装：DDPAK/TO-263 (KTW)-7，包装数量MPQ：45个，MSL 等级/回流焊峰值温度：Level-3-245C-168 HR，引脚镀层/焊球材料：SN，TI官网LM4752TS/NOPB的批量USD价格：1.273（1000+）
LM4752 TINA-TI Reference Design
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