- 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：汽车类 20W、2 通道、10V 至 26V 电源模拟输入 D 类音频放大器
- 点击这里打开及下载TPA3100D2-Q1的技术文档资料
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The TPA3100D2 is a 20-W per channel, efficient, class-D audio power amplifier for driving bridged-tied stereo speakers. The TPA3100D2 can drive stereo speakers as low as 4 
. The high efficiency of the TPA3100D2, 92%, eliminates the need for an external heat sink when playing music.
The gain of the amplifier is controlled by two gain select pins. The gain selections are 20 dB, 26 dB, 32 dB, or 36 dB.
The outputs are fully protected against shorts to GND, VCC, and output-to-output shorts with an auto-recovery feature and monitor output.
- Qualified for Automotive Applications
- 20 W/Channel Into an 8- Load From an 18-V Supply
- 10 W/Channel Into an 8- Load From a 12-V Supply
- 15 W/Channel Into an 4- Load From a 12-V Supply
- Operates From 10 V to 26 V
- 92% Efficient Class-D Operation Eliminates Need for Heat Sinks
- Four Selectable Fixed-Gain Settings
- Differential Inputs
- Thermal and Short-Circuit Protection With Auto-Recovery Feature
- Clock Output for Synchronization With Multiple Class-D Devices
- Surface Mount 7-mm × 7-mm 48-pin QFN (RGZ) Package
- APPLICATIONS
- Televisions
- Audio input type
- Analog Input
- Architecture
- Class-D
- Speaker channels (Max)
- Stereo
- Power stage supply (Max) (V)
- 26
- Power stage supply (Min) (V)
- 10
- Load (Min) (ohms)
- 4
- Output power (W)
- 20
- SNR (dB)
- 102
- THD + N @ 1 kHz (%)
- 0.11
- Iq (Typ) (mA)
- 22
- Control interface
- Hardware
- Closed/open loop
- Closed
- Analog supply (Min) (V)
- 10
- Analog supply (Max) (V)
- 26
- PSRR (dB)
- 70
- Operating temperature range (C)
- -40 to 85
TPA3100D2-Q1的完整型号有：TPA3100D2IRGZRQ1，以下是这些产品的关键参数及官网采购报价：
TPA3100D2IRGZRQ1，工作温度：-40 to 85，封装：VQFN (RGZ)-48，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TPA3100D2IRGZRQ1的批量USD价格：3.579（1000+）
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