LM293中文资料低功耗双电压比较器数据手册ST规格书

描述 Description

The LM193, LM293, LM393 and LM393W devices consist of two independent low voltage comparators designed specifically to operate from a single supply over a wide range of voltages. Operation from split power supplies is also possible.

These comparators also have a unique characteristic in that the input common-mode voltage range includes ground even though operated from a single power supply voltage.

The LM393W offers additional ESD robustness of 2 kV HBM on all pins.

特性 Features

• Wide single-supply voltage range or dual supplies: 2 V to 36 V or ±1 V to ±18 V
• Very low supply current (0.45 mA) independent of supply voltage (1 mW/comparator at 5 V)
• Low input bias current: 20 nA typ.
• Low input offset current: ±3 nA typ.
• Low input offset voltage: ±1 mV typ.
• Input common-mode voltage range includes ground
• Low output saturation voltage: 80 mV typ. (Isink = 4 mA)
• Differential input voltage range equal to the supply voltage
• TTL, DTL, ECL, MOS, CMOS compatible outputs
• Available in DFN8 2x2, MiniSO8, TSSOP8, and SO8 packages
• LM393W with internal ESD protection: 2 kV HBM

简介

LM293属于集成电路（IC）的稳压器-线性。由制造生产的LM293稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。