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MAX924EPE芯片开发与破解实例

时间:2012-07-06 09:06:13

世纪芯始终坚持技术制胜、实力当先的策略服务客户,以低姿态、高效率、低成本、高成功率向各行业领域提供项目发的全程芯片解密的技术支持与完整解决方案,在业内赞誉有加。这里,我们仅以MAX924EPE芯片为例,针对其性能特征做简单介绍:
General Description
The MAX921–MAX924 single, dual, and quad micropower, low-voltage comparators feature the lowest power consumption available. These comparators draw less than 4?A supply current over temperature (MAX921/MAX922), and include an internal 1.182V ±1% voltage reference, programmable hysteresis, and TTL/CMOS outputs that sink and source current.Ideal for 3V or 5V single-supply applications, the MAX921–MAX924 operate from a single +2.5V to +11V supply (or a ±1.25V to ±5V dual supply), and each comparator’s input voltage range swings from the mnegative supply rail to within 1.3V of the positive supply.
Features
·MAX Package—Smallest 8-Pin SO (MAX921/MAX922/MAX923)
·Ultra-Low 4μA Max Quiescent Current Over Extended Temp. Range (MAX921)
·Power Supplies:
Single +2.5V to +11V
Dual ±1.25V to ±5.5V
·Input Voltage Range Includes Negative Supply
·Internal 1.182V ±1% Bandgap Reference
·Adjustable Hysteresis
·TTL/CMOS-Compatible Outputs
·12μs Propagation Delay (10mV Overdrive)
·No Switching Crowbar Current
·40mA Continuous Source Current
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