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LMC7211BIM/NOPB 产品手册 - TI（德州仪器）
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比较器
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LMC 系列 CMOS 比较器### 比较器，Texas InstrumentsTexas Instruments 系列电压比较器不仅包括传统单、双和四路比较器封装，还包括窗口比较器及过压和欠压监控器。 尽管比较器和运算放大器表面上是相似的设备，但它们在实用应用中的操作大大不同。 运算放大器适用于线性操作，附带适当反馈，而比较器定制用于快速切换且通常在开路模式中操作。 专用电压比较器具有明显较短的传播延迟，且可在饱和条件下具有更快的响应时间。 大多数比较器还更耐受高差分输入电压，且很多比较器具有开路集电极输出，从而可与其他设备并联操作。
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LMC7211BIM/NOPB数据手册
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LMC7111
Tiny CMOS Operational Amplifier with Rail-to-Rail Input
and Output
General Description
The LMC7111 is a micropower CMOS operational amplifier
available in the space saving SOT 23-5 package. This
makes the LMC7111 ideal for space and weight critical de-
signs. The wide common-mode input range makes it easy to
design battery monitoring circuits which sense signals above
the V
+
supply. The main benefits of the Tiny package are
most apparent in small portable electronic devices, such as
mobile phones, pagers, and portable computers. The tiny
amplifiers can be placed on a board where they are needed,
simplifying board layout.
Features
n Tiny SOT23-5 package saves space
n Very wide common mode input range
n Specified at 2.7V, 5V, and 10V
n Typical supply current 25 µA at 5V
n 50 kHz gain-bandwidth at 5V
n Similar to popular LMC6462
n Output to within 20 mV of supply rail at 100k load
n Good capacitive load drive
Applications
n Mobile communications
n Portable computing
n Current sensing for battery chargers
n Voltage reference buffering
n Sensor interface
n Stable bias for GaAs RF amps
Connection Diagrams
Ordering Information
Package Ordering NSC Drawing Package Transport Media
Information Number Marking
8-Pin DIP LMC7111AIN N08E LMC7111AIN Rails
8-Pin DIP LMC7111BIN N08E LMC7111BIN Rails
5-Pin SOT23-5
LMC7111BIM5 MA05A A01B 1k units Tape and Reel
LMC7111BIM5X MA05A A01B 3k Units Tape and Reel
8-Pin DIP
DS012352-1
Top View
5-Pin SOT23-5
DS012352-2
Top View
Actual Size
DS012352-19
August 1999
LMC7111 Tiny CMOS Operational Amplifier with Rail-to-Rail Input and Output
© 1999 National Semiconductor Corporation DS012352 www.national.com
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