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| 软件名称 |
MAX9924, MAX9925 pdf datasheet (Variable-Reluctance Sensor Interface with Differential Input and Adaptive Peak Threshold) |
| 运行环境 |
Win9X/Win2000/WinXP/Win2003/ |
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| 整理时间 |
2008-11-24 22:35:34 |
| 软件星级 |
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| 软件语言 |
简体中文 |
| 软件类型 |
国产软件 |
| 授权方式 |
共享软件 |
| 软件大小 |
444 KB |
| 相关连接 |
csb23@126.com 官方主页 没有预览图片
[收 藏] |
| 下载统计 |
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| 解压密码 |
www.elecfans.com |
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 软件简介 |
The MAX9924–MAX9927 variable reluctance (VR or magnetic coil) sensor interface devices are ideal for position and speed sensing for automotive crankshafts, camshafts, transmission shafts, etc. These devices integrate a precision amplifier and comparator with selectable adaptive peak threshold and zero-crossing circuit blocks that generate robust output pulses even in the presence of substantial system noise or extremely weak VR signals.
The MAX9926/MAX9927 are dual versions of the MAX9924/MAX9925, respectively. The MAX9924/MAX9926 combine matched resistors with a CMOS input precision operational amplifier to give high CMRR over a wide range of input frequencies and temperatures. The MAX9924/MAX9926 differential amplifiers provide a fixed gain of 1V/V. The MAX9925/MAX9927 make all three terminals of the internal operational amplifier available, allowing greater flexibility for gain. The MAX9926 also provides a direction output that is useful for quadrature-connected VR sensors that are used in certain high-performance engines. These devices interface with both new-generation differential VR sensors as well as legacy single-ended VR sensors.
The MAX9924/MAX9925 are available in the 10-pin µMAX® package, while the MAX9926/MAX9927 are available in the 16-pin QSOP package. All devices are specified over the -40°C to +125°C automotive temperature range.
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