LM393-N

更新时间： 2024-11-20 11:06:43

品牌	Logo	应用领域
德州仪器 - TI		放大器放大器电路比较器
页数	文件大小	规格书
24页	1432K
描述
低功耗低失调电压双路比较器

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LM393-N 数据手册

LM193-N, LM2903-N, LM293-N, LM393-N

www.ti.com

SNOSBJ6E –OCTOBER 1999–REVISED MARCH 2013

LM193/LM293/LM393/LM2903 Low Power Low Offset Voltage Dual Comparators

Check for Samples: LM193-N, LM2903-N, LM293-N, LM393-N

FEATURES

DESCRIPTION

The LM193 series consists of two independent

precision voltage comparators with an offset voltage

specification as low as 2.0 mV max for two

comparators which were designed specifically to

operate from a single power supply over a wide range

of voltages. Operation from split power supplies is

also possible and the low power supply current drain

is independent of the magnitude of the power supply

voltage. 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.

•

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

Application areas include limit comparators, simple

analog to digital converters; pulse, squarewave and

time delay generators; wide range VCO; MOS clock

timers; multivibrators and high voltage digital logic

gates. The LM193 series was designed to directly

interface with TTL and CMOS. When operated from

both plus and minus power supplies, the LM193

series will directly interface with MOS logic where

their low power drain is a distinct advantage over

standard comparators.

•

Differential Input Voltage Range Equal to the

Power Supply Voltage

Low Output Saturation Voltage: 250 mV at 4

Output Voltage Compatible with TTL, DTL,

ECL, MOS and CMOS logic systems

Available in the 8-Bump (12 mil) DSBGA

Package

See AN-1112 (SNVA009) for DSBGA

Considerations

The LM393 and LM2903 parts are available in TI’s

innovative thin DSBGA package with 8 (12 mil) large

bumps.

ADVANTAGES

•

High Precision Comparators

Reduced V_OSDrift Over Temperature

Eliminates Need for Dual Supplies

Allows Sensing Near Ground

Compatible with All Forms of Logic

Power Drain Suitable for Battery Operation

Figure 1. Squarewave Oscillator

Figure 2. Non-Inverting Comparator with

Hysteresis

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...24

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LM393-N 替代型号

型号	品牌	替代类型	描述	数据表
LM339-N	TI	功能相似	低功耗低失调电压四路比较器

与LM393-N相关器件

型号	品牌	获取价格	描述	数据表
LM393N/A+	ETC	获取价格	Analog Comparator
LM393N/B+	ETC	获取价格	Analog Comparator
LM393N/NOPB	TI	获取价格	LM193/LM293/LM393/LM2903 Low Power Low Offset Voltage Dual Comparators
LM393N_12	FAIRCHILD	获取价格	Dual Differential Comparator
LM393NB	RAYTHEON	获取价格	Comparator, 9000uV Offset-Max, BIPolar, PDIP8,
LM393NG	ONSEMI	获取价格	Low Offset Voltage Dual Comparators
LM393NS	NXP	获取价格	暂无描述
LM393NSIIA	PHILIPS	获取价格	Comparator, 2 Func, 9000uV Offset-Max, BIPolar, PDIP8,
LM393NSIIB	PHILIPS	获取价格	Comparator, 2 Func, 9000uV Offset-Max, BIPolar, PDIP8,
LM393P	TI	获取价格	DUAL DIFFERENTIAL COMPARATORS

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