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October 2012 Doc ID 022939 Rev 1 1/27
AN4071
Application note
Introduction to comparators, their parameters and basic
applications
By Radim Smat
Introduction
After operational amplifiers (op amps), comparators are the most generally used analog,
simple integrated circuits.
Operational amplifiers are well described in many publications and a lot of information can
be found regarding the design and proper use of these devices. On the other hand,
information concerning comparators is much harder to find as they are often considered as
simple devices. This note explains the main parameters of comparators and their limitations
from an application point of view.
Figure 1. TS332 and TS334 micropower low-voltage rail-to-rail comparators
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LM339APT 数据手册

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LM339 数据手册

ST Microelectronics(意法半导体)
LOWPOWER四路电压比较器 LOWPOWER QUAD VOLTAGE COMPARATORS
ON Semiconductor(安森美)
ON SEMICONDUCTOR  LM339DR2G  模拟比较器, 轨至轨, 通用, 4, 1.3 µs, 3V 至 36V, SOIC, 14 引脚
TI(德州仪器)
TEXAS INSTRUMENTS  LM339N  模拟比较器, 四路, 电压, 4, 300 ns, 2V 至 36V, DIP, 14 引脚
ST Microelectronics(意法半导体)
STMICROELECTRONICS  LM339DT  模拟比较器, 四路, 精密电压, 4, 1.3 µs, 2V 至 36V, SOIC, 14 引脚
TI(德州仪器)
TEXAS INSTRUMENTS  LM339DR  四通道电压比较器
TI(德州仪器)
TEXAS INSTRUMENTS  LM339PWR  模拟比较器, 四路, 差分, 4, 1.3 µs, 2V 至 36V, TSSOP, 14 引脚
ST Microelectronics(意法半导体)
STMICROELECTRONICS  LM339PT  模拟比较器, 四路, 低功耗, 4, 1.3 µs, ± 1V 至 ± 16V, TSSOP, 14 引脚
ON Semiconductor(安森美)
ON SEMICONDUCTOR  LM339DG  模拟比较器, 四路, 通用, 4, 1.3 µs, 3V 至 36V, SOIC, 14 引脚
TI(德州仪器)
TEXAS INSTRUMENTS  LM339ADR  模拟比较器, 四路, 差分, 4, 300 ns, 2V 至 36V, SOIC, 14 引脚
TI(德州仪器)
TEXAS INSTRUMENTS  LM339APWR  芯片, 差分比较器, 四路 0.3US TSSOP-14
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