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DS1800 数据表 (PDF) - Dallas Semiconductor

DS1800 Datasheet PDF - Dallas Semiconductor
部件名 DS1800
下载  DS1800 下载

文件大小   428.71 Kbytes
  14 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 Dual Inverting Log Gain/Attenuator

DS1800 Datasheet (PDF)

Go To PDF Page 下载 数据表
DS1800 Datasheet PDF - Dallas Semiconductor

部件名 DS1800
下载  DS1800 Click to download

文件大小   428.71 Kbytes
  14 Pages
制造商  DALLAS [Dallas Semiconductor]
网页  https://www.maximintegrated.com/en.html
标志 DALLAS - Dallas Semiconductor
功能描述 Dual Inverting Log Gain/Attenuator

DS1800 数据表 (HTML) - Dallas Semiconductor

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DS1800 产品详情

DESCRIPTION

The DS1800 is a dual audio-taper potentiometer designed specifically for use in the feedback path of the inverting configuration of an operational amplifier (see Figure 2). In this configuration, the DS1800 provides a VO /VI relationship of -20log(RF/RI), giving a gain/attenuation range covering +20 dB to -63 dB. Each potentiometer has a total of 129 positions including mute. The DS1800 provides five areas of resolution, which include: 0.25 dB per step from +20 dB to +3 dB; 0.5 dB per step from +3 dB to -12 dB; 1 dB from -12 dB to -27 dB; 2 dB per step from -27 dB to -47 dB; and 4 dB per step from -47 dB to -63 dB. The mute position provides 100 dB of attenuation.



FEATURES

■ Ultra-low power consumption

■ Operates from 3V or 5V supplies

■ Two digitally controlled, 128-position potentiometers including mute

■ Logarithmic gain characteristics

■ Zero-crossing detection eliminates noise caused by discrete wiper changes

■ Two control interfaces

   - 3-wire serial CPU control

   - Pushbutton control

■ 20-pin DIP (300-mil), 20-pin SOIV (300-mil), and 20-pin (173-mil) TSSOP packaging available

■ Operating Temperature Range:

   - Industrial: -40°C to +85°C

■ Software and hardware mute

■ Standard Resistance Available: 53KΩ



 




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关于 Dallas Semiconductor


达拉斯半导体是一家美国公司,成立于1984年,是混合信号和数字半导体的供应商。
该公司总部位于德克萨斯州达拉斯,并以其创新产品和技术在实时时钟,温度传感器和其他集成电路领域而闻名。
2002年,达拉斯半导体被跨国半导体公司Maxim Integrated收购,并成为Maxim的子公司。
达拉斯半导体品牌不再使用,但其产品和技术仍然是Maxim投资组合的一部分。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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