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LM1971

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具有静音功能的数字控制 62dB 音频衰减器

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LM1971

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产品详情

Number of channels 1 Power supply (V) 4.5 to 15 Gain & attenuation (dB) 0dB to -62dB with 1.0dB steps THD + N at 1 kHz (%) 0.0008 Dynamic range (dB) 115 Operating temperature range (°C) -40 to 85 Features 1 Channel, Digitally controlled audio attenuator
Number of channels 1 Power supply (V) 4.5 to 15 Gain & attenuation (dB) 0dB to -62dB with 1.0dB steps THD + N at 1 kHz (%) 0.0008 Dynamic range (dB) 115 Operating temperature range (°C) -40 to 85 Features 1 Channel, Digitally controlled audio attenuator
SOIC (D) 8 29.4 mm² 4.9 x 6
  • 3-Wire Serial Interface
  • Mute Function
  • Click and Pop Free Attenuation Changes
  • 8-Pin Plastic PDIP and SOIC Packages Available

Key Specifications

  • Total Harmonic Distortion 0.0008 % (Typ)
  • Frequency Response > 200 kHz (−3 dB) (Typ)
  • Attenuation Range (Excluding Mute) 62 dB (Typ)
  • Dynamic Range 115 dB (Typ)
  • Mute Attenuation 102 dB (Typ)

All trademarks are the property of their respective owners.

  • 3-Wire Serial Interface
  • Mute Function
  • Click and Pop Free Attenuation Changes
  • 8-Pin Plastic PDIP and SOIC Packages Available

Key Specifications

  • Total Harmonic Distortion 0.0008 % (Typ)
  • Frequency Response > 200 kHz (−3 dB) (Typ)
  • Attenuation Range (Excluding Mute) 62 dB (Typ)
  • Dynamic Range 115 dB (Typ)
  • Mute Attenuation 102 dB (Typ)

All trademarks are the property of their respective owners.

The LM1971 is a digitally controlled single channel audio attenuator fabricated on a CMOS process. Attenuation is variable in 1 dB steps from 0 dB to −62 dB. A mute function disconnects the input from the output, providing over 100 dB of attenuation.

The performance of the device is exhibited by its ability to change attenuation levels without audible clicks or pops. In addition, the LM1971 features a low Total Harmonic Distortion (THD) of 0.0008%, and a Dynamic Range of 115 dB, making it suitable for digital audio needs. The LM1971 is available in both 8-pin plastic PDIP or SOIC packages.

The LM1971 is controlled by a TTL/CMOS compatible 3-wire serial digital interface. The active low LOAD line enables the data input registers while the CLOCK line provides system timing. Its DATA pin receives serial data on the rising edge of each CLOCK pulse, allowing the desired attenuation setting to be selected.

The LM1971 is a digitally controlled single channel audio attenuator fabricated on a CMOS process. Attenuation is variable in 1 dB steps from 0 dB to −62 dB. A mute function disconnects the input from the output, providing over 100 dB of attenuation.

The performance of the device is exhibited by its ability to change attenuation levels without audible clicks or pops. In addition, the LM1971 features a low Total Harmonic Distortion (THD) of 0.0008%, and a Dynamic Range of 115 dB, making it suitable for digital audio needs. The LM1971 is available in both 8-pin plastic PDIP or SOIC packages.

The LM1971 is controlled by a TTL/CMOS compatible 3-wire serial digital interface. The active low LOAD line enables the data input registers while the CLOCK line provides system timing. Its DATA pin receives serial data on the rising edge of each CLOCK pulse, allowing the desired attenuation setting to be selected.
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类型 标题 下载最新的英语版本 日期
* 数据表 LM1971 Overture Audio Atten Series Dig Controlled 62 dB Audio Attenuator w/Mute 数据表 (Rev. B) 2013年 4月 3日

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包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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