LM393 数据手册 - National Semiconductor（美国国家半导体）

类型Type| 通用 General Purpose \---|--- 元件数Number of Elements| 2 输出类型Output Type| TTL, DTL, ECL, MOS and CMOS 电源电压，单/双 (±)Voltage - Supply, Single/Dual (±)| 2 V~36 V，±1 V~±18 V 输入失调电压（最大值）Voltage - Input Offset (Max)| 5mV 输入偏置电流（最大值）Current - Input Bias (Max)| 0.25µA 输出电流（典型值）Current - Output (Typ)| 16mA 静态电流（最大值）Current - Quiescent (Max)| 1mA CMRR，PSRR（典型值）CMRR, PSRR (Typ)| 传播延迟（最大值）Propagation Delay (Max)| 700ns 滞后Hysteresis| Description & Applications| FEATURES • Low Power Low Offset Voltage Dual Comparators • Wide supply— Voltage range: 2.0V to 36V — Single or dual supplies: ±1.0V to ±18V • Very low supply current drain (0.4 mA) — independent of supply voltage • Low input biasing current: 25 nA • Low input offset current: ±5 nA • Maximum offset voltage: ±3 mV • Input common-mode voltage range includes ground • Differential input voltage range equal to the power supply voltage • Low output saturation voltage,: 250 mV at 4 mA • Output voltage compatible with TTL, DTL, ECL, MOS and CMOS logic systems • Available in the 8-Bump (12 mil) micro SMD package • See AN-1112 for micro SMD considerations Advantages • High precision comparators • Reduced VOS drift over temperature • Eliminates need for dual supplies • Allows sensing near ground • Compatible with all forms of logic • Power drain suitable for battery operation 描述与应用| 特点 •低功耗低失调电压双比较器 •宽电源电压范围：2.0V至36V        - 单或双电源：±1.0V至±18V •极低的电源电流消耗（0.4毫安） - 电源电压无关 •低输入偏置电流：25 nA的 •低输入偏置电流：±5 NA •最大失调电压：±3毫伏 •输入共模电压范围包括地面 •差分输入电压范围等于电源电压 •低输出饱和电压：250毫伏在4 mA •输出电压与TTL，DTL，ECL，MOS和CMOS逻辑系统兼容 •可在8焊球micro SMD封装（12 mil）的 •请参阅AN-1112微型SMD考虑 优点 •高精度比较器 •减少VOS温度漂移 •无需为双电源供电 •允许传感近地面 •兼容各种形式的逻辑 •电源漏适合电池操作