LM339集成電路（IC）的比較器規(guī)格書PDF中文資料

LM339屬于集成電路（IC）的比較器。由意法半導體集團制造生產的LM339比較器邏輯比較器系列產品用于根據以數字格式表示的信息比較結果來生成輸出；身份型比較器指示兩個輸入是否相同，幅度型比較器還指示兩個輸入不相同時哪個較大。它們不同于比較兩個模擬輸入幅度的器件，后者稱為線性比較器且單獨分類。

Description

This family of devices consists of four independent precision-voltage comparators with an offset voltage specification as low as 2 mV maximum for LM339A, LM239A and LM139A. Each comparator has been designed specifically to operate from a single power 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.

Features

■ Wide single supply voltage range or dual

supplies for all devices: +2 to +36 V or ±1 V to

±18 V

■ Very low supply current (1.1 mA) independent

of supply voltage

■ Low input bias current: 25 nA typ

■ Low input offset current: ±5 nA typ

■ Low input offset voltage: ±1 mV typ

■ Input common-mode voltage range includes

ground

■ Low output saturation voltage: 250 mV typ;

(ISINK = 4 mA)

■ Differential input voltage range equal to the

supply voltage

■ TTL, DTL, ECL, MOS, CMOS compatible

outputs