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LM1875的基本参数
  • 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:20W 音频功率放大器
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LM1875的产品详情:

The LM1875 is a monolithic power amplifier offering very low distortion and high quality performance for consumer audio applications.

The LM1875 delivers 20 watts into a 4 or 8 load on ±25V supplies. Using an 8 load and ±30V supplies, over 30 watts of power may be delivered. The amplifier is designed to operate with a minimum of external components. Device overload protection consists of both internal current limit and thermal shutdown.

The LM1875 design takes advantage of advanced circuit techniques and processing to achieve extremely low distortion levels even at high output power levels. Other outstanding features include high gain, fast slew rate and a wide power bandwidth, large output voltage swing, high current capability, and a very wide supply range. The amplifier is internally compensated and stable for gains of 10 or greater.


LM1875的优势和特性:
  • Up to 30 watts output power
  • AVO typically 90 dB
  • Low distortion: 0.015%, 1 kHz, 20 W
  • Wide power bandwidth: 70 kHz
  • Protection for AC and DC short circuits to ground
  • Thermal protection with parole circuit
  • High current capability: 4A
  • Wide supply range 16V-60V
  • Internal output protection diodes
  • 94 dB ripple rejection
  • Plastic power package TO-220
LM1875的参数(英文):
  • Audio input type
  • Analog Input
  • Architecture
  • Class-AB
  • Speaker channels (Max)
  • Mono
  • Power stage supply (Max) (V)
  • 60
  • Power stage supply (Min) (V)
  • 16
  • Load (Min) (ohms)
  • 4
  • Output power (W)
  • 20
  • THD + N @ 1 kHz (%)
  • 0.015
  • Iq (Typ) (mA)
  • 70
  • Control interface
  • Hardware
  • Closed/open loop
  • Open
  • Analog supply (Min) (V)
  • 16
  • Analog supply (Max) (V)
  • 60
  • PSRR (dB)
  • 95
  • Operating temperature range (C)
  • 0 to 70
LM1875具体的完整产品型号参数及价格(美元):

LM1875的完整型号有:LM1875T、LM1875T/LB02、LM1875T/LB03、LM1875T/LB05、LM1875T/LF02、LM1875T/LF03、LM1875T/LF05、LM1875T/NOPB,以下是这些产品的关键参数及官网采购报价:

LM1875T,工作温度:0 to 70,封装:TO-220 (NDH)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SNPB,TI官网LM1875T的批量USD价格:1.795(1000+)

LM1875T/LB02,工作温度:0 to 70,封装: (NEB)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SNPB,TI官网LM1875T/LB02的批量USD价格:1.795(1000+)

LM1875T/LB03,工作温度:0 to 70,封装:TO-220 (NDH)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SNPB,TI官网LM1875T/LB03的批量USD价格:1.795(1000+)

LM1875T/LB05,工作温度:0 to 70,封装: (NEB)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SNPB,TI官网LM1875T/LB05的批量USD价格:1.795(1000+)

LM1875T/LF02,工作温度:0 to 70,封装: (NEB)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SN,TI官网LM1875T/LF02的批量USD价格:1.508(1000+)

LM1875T/LF03,工作温度:0 to 70,封装:TO-220 (NDH)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SN,TI官网LM1875T/LF03的批量USD价格:1.508(1000+)

LM1875T/LF05,工作温度:0 to 70,封装: (NEB)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SN,TI官网LM1875T/LF05的批量USD价格:1.508(1000+)

LM1875T/NOPB,工作温度:0 to 70,封装:TO-220 (NDH)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SN,TI官网LM1875T/NOPB的批量USD价格:1.508(1000+)

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LM1875的评估套件:

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