Datasheet> 器件分类 > 模拟混合信号IC> 放大器电路> LM2903IN

LM2903IN: 产品描述DUAL COMPARATOR, 9000 uV OFFSET-MAX, 1400 ns RESPONSE TIME, PDIP8; 产品类别模拟混合信号IC 放大器电路; 文件大小77KB，共8页; 制造商Fairchild; 官网地址http://www.fairchildsemi.com/; 相似器件已查找到20个与LM2903IN功能相似器件

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LM2903IN概述

DUAL COMPARATOR, 9000 uV OFFSET-MAX, 1400 ns RESPONSE TIME, PDIP8

双比较器, 9000 uV 最大补偿, 1400 ns 响应时间, PDIP8

LM2903IN规格参数

参数名称	属性值
是否Rohs认证	不符合
零件包装代码	DIP
包装说明	DIP-8
针数	8
Reach Compliance Code	unknow
ECCN代码	EAR99
放大器类型	COMPARATOR
最大平均偏置电流 (IIB)	0.5 µA
25C 时的最大偏置电流 (IIB)	0.25 µA
最大输入失调电压	15000 µV
JESD-30 代码	R-PDIP-T8
JESD-609代码	e0
长度	9.2 mm
负供电电压上限
标称负供电电压 (Vsup)
功能数量	2
端子数量	8
最高工作温度	105 °C
最低工作温度	-40 °C
输出类型	OPEN-COLLECTOR
封装主体材料	PLASTIC/EPOXY
封装代码	DIP
封装等效代码	DIP8,.3
封装形状	RECTANGULAR
封装形式	IN-LINE
峰值回流温度（摄氏度）	NOT SPECIFIED
电源	5 V
认证状态	Not Qualified
标称响应时间	1500 ns
座面最大高度	5.08 mm
最大压摆率	2.5 mA
供电电压上限	36 V
标称供电电压 (Vsup)	5 V
表面贴装	NO
技术	BIPOLAR
温度等级	INDUSTRIAL
端子面层	Tin/Lead (Sn/Pb)
端子形式	THROUGH-HOLE
端子节距	2.54 mm
端子位置	DUAL
处于峰值回流温度下的最长时间	NOT SPECIFIED
宽度	7.62 mm
Base Number Matches	1

文档解析

LM2903/LM2903I、LM393/LM393A、LM293/LM293A 双差分比较器系列专注于低功耗与高精度性能，适用于对能效和信号完整性要求严格的应用。该产品采用两个独立比较器架构，支持从单电源2V至36V或双电源±1V至±18V的操作模式，确保在宽电压输入下维持稳定比较。低电流消耗特性（典型800μA）延长了便携设备的电池寿命，而输入偏移电压（±1mV典型值）和输入偏移电流（±5nA典型值）提升了测量精度。关键电气参数包括输入偏置电流25nA典型值，输入共模电压范围从0V至VCC-1.5V，支持近地电位比较。电源电流在5V时为0.6mA典型值，在30V时为0.8mA典型值。电压增益达200V/mV（LM393A），响应时间为1.4μs，输出特性包括吸收电流18mA最大值和饱和电压400mV。绝对最大额定值包括电源电压±18V或36V，工作温度覆盖-40°C至+105°C（LM2903I），封装形式为8-DIP或8-SOP。这些特性使该系列比较器适合高精度仪器、医疗设备和低功耗嵌入式系统，其低噪声和快速响应确保在信号链中实现可靠操作。设计兼容TTL和CMOS逻辑，简化了系统集成。

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LM2903/LM2903I,LM393/LM393A,

LM293/LM293A

Dual Differential Comparator

Features

•

Single Supply Operation: 2V to 36V

Dual Supply Operation:

1V to

±18V

Allow Comparison of Voltages Near Ground Potential

Low Current Drain 800µA Typ.

Compatible with all Forms of Logic

Low Input Bias Current 25nA Typ.

Low Input Offset Current

±5nA

Typ.

Low Offset Voltage

±1mV

Typ.

Description

The LM2903/LM2903I, LM393/LM393A, LM293/

LM293A consist of two independent voltage comparators

designed to operate from a single power supply over a wide

voltage range.

8-DIP

8-SOP

Internal Block Diagram

Rev. 1.0.3

LM2903IN相似产品对比

	LM2903IN	LM2903I	LM393N	LM393AM	LM293M	LM293N	LM293AN	LM2903IM	LM2903
描述	DUAL COMPARATOR, 9000 uV OFFSET-MAX, 1400 ns RESPONSE TIME, PDIP8	DUAL COMPARATOR, 9000 uV OFFSET-MAX, 1400 ns RESPONSE TIME, PDIP8	DUAL COMPARATOR, 9000 uV OFFSET-MAX, 1400 ns RESPONSE TIME, PDIP8	DUAL COMPARATOR, 4000 uV OFFSET-MAX, 1400 ns RESPONSE TIME, PDSO8	DUAL COMPARATOR, 9000 uV OFFSET-MAX, 1400 ns RESPONSE TIME, PDIP8	DUAL COMPARATOR, 9000 uV OFFSET-MAX, 1300 ns RESPONSE TIME, PDIP8	COMPARATOR, PDIP8	DUAL COMPARATOR, 9000 uV OFFSET-MAX, 1400 ns RESPONSE TIME, PDIP8	DUAL COMPARATOR, 15000 uV OFFSET-MAX, 1500 ns RESPONSE TIME, PDIP8
放大器类型	COMPARATOR	比较器	COMPARATOR	COMPARATOR	COMPARATOR	COMPARATOR	COMPARATOR	COMPARATOR	COMPARATOR
最大输入失调电压	15000 µV	9000 mV	9000 µV	4000 µV	9000 µV	9000 µV	4000 µV	15000 µV	15000 µV
功能数量	2	2	2	2	2	2	2	2	2
端子数量	8	8	8	8	8	8	8	8	8
输出类型	OPEN-COLLECTOR	O-COL	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR	OPEN-COLLECTOR
温度等级	INDUSTRIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	OTHER	OTHER	OTHER	INDUSTRIAL	INDUSTRIAL
端子形式	THROUGH-HOLE	THROUGH-孔	THROUGH-HOLE	GULL WING	GULL WING	THROUGH-HOLE	THROUGH-HOLE	GULL WING	THROUGH-HOLE
端子位置	DUAL	双	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
是否Rohs认证	不符合	-	符合	符合	不符合	-	符合	-	符合
零件包装代码	DIP	-	DIP	SOIC	SOIC	DIP	DIP	SOIC	DIP
包装说明	DIP-8	-	DIP, DIP8,.3	SOP, SOP8,.25	SOP-8	DIP, DIP8,.3	DIP, DIP8,.3	SOP-8	DIP-8
针数	8	-	8	8	8	8	8	8	8
Reach Compliance Code	unknow	-	compli	compli	unknow	unknow	compli	unknow	compli
ECCN代码	EAR99	-	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
最大平均偏置电流 (IIB)	0.5 µA	-	0.4 µA	0.4 µA	0.4 µA	0.4 µA	0.4 µA	0.5 µA	0.5 µA
25C 时的最大偏置电流 (IIB)	0.25 µA	-	0.25 µA	0.25 µA	0.25 µA	0.25 µA	0.25 µA	0.25 µA	-
JESD-30 代码	R-PDIP-T8	-	R-PDIP-T8	R-PDSO-G8	R-PDSO-G8	R-PDIP-T8	R-PDIP-T8	R-PDSO-G8	R-PDIP-T8
JESD-609代码	e0	-	e3	e3	e0	-	e3	-	-
长度	9.2 mm	-	9.2 mm	4.92 mm	4.92 mm	9.2 mm	9.2 mm	4.92 mm	9.817 mm
最高工作温度	105 °C	-	70 °C	70 °C	85 °C	85 °C	85 °C	105 °C	85 °C
最低工作温度	-40 °C	-	-	-	-25 °C	-25 °C	-25 °C	-40 °C	-40 °C
封装主体材料	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	DIP	-	DIP	SOP	SOP	DIP	DIP	SOP	DIP
封装等效代码	DIP8,.3	-	DIP8,.3	SOP8,.25	SOP8,.25	DIP8,.3	DIP8,.3	SOP8,.25	-
封装形状	RECTANGULAR	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
封装形式	IN-LINE	-	IN-LINE	SMALL OUTLINE	SMALL OUTLINE	IN-LINE	IN-LINE	SMALL OUTLINE	IN-LINE
峰值回流温度（摄氏度）	NOT SPECIFIED	-	NOT SPECIFIED	260	NOT SPECIFIED	-	NOT SPECIFIED	-	NOT SPECIFIED
电源	5 V	-	+-1/+-18/2/36 V	+-1/+-18/2/36 V	+-1/+-18/2/36 V	+-1/+-18/2/36 V	+-1/+-18/2/36 V	5 V	-
认证状态	Not Qualified	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
标称响应时间	1500 ns	-	1400 ns	1400 ns	1400 ns	1400 ns	1400 ns	1500 ns	1500 ns
座面最大高度	5.08 mm	-	5.08 mm	1.8 mm	1.8 mm	5.08 mm	5.08 mm	1.8 mm	5.08 mm
最大压摆率	2.5 mA	-	2.5 mA	2.5 mA	2.5 mA	2.5 mA	2.5 mA	2.5 mA	-
供电电压上限	36 V	-	36 V	36 V	36 V	36 V	36 V	36 V	36 V
标称供电电压 (Vsup)	5 V	-	5 V	5 V	5 V	5 V	5 V	5 V	5 V
表面贴装	NO	-	NO	YES	YES	NO	NO	YES	NO
技术	BIPOLAR	-	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
端子面层	Tin/Lead (Sn/Pb)	-	Matte Tin (Sn)	Matte Tin (Sn)	Tin/Lead (Sn/Pb)	-	Matte Tin (Sn)	-	-
端子节距	2.54 mm	-	2.54 mm	1.27 mm	1.27 mm	2.54 mm	2.54 mm	1.27 mm	2.54 mm
处于峰值回流温度下的最长时间	NOT SPECIFIED	-	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	-	NOT SPECIFIED	-	NOT SPECIFIED
宽度	7.62 mm	-	7.62 mm	3.95 mm	3.95 mm	7.62 mm	7.62 mm	3.95 mm	7.62 mm
Base Number Matches	1	-	1	1	1	-	1	1	1
厂商名称	-	-	Fairchild	Fairchild	Fairchild	Fairchild	Fairchild	-	Fairchild

与LM2903IN功能相似器件

器件名	厂商	描述
LM2903N/NOPB	Texas Instruments(德州仪器)	Low Power Low Offset Voltage Dual Comparator 8-PDIP -40 to 85
LM2903N	ON Semiconductor(安森美)	Analog Comparators 2-36V Dual -40 to 105 deg C
LM2903NG	ON Semiconductor(安森美)	输出类型：CMOS, DTL, ECL, MOS, Open-Collector, TTL 各通道功耗：2.5mA 传播延迟：- 比较器组数：2 电源电压：2V ~ 36V, ±1V ~ 18V
LM2903VNG	ON Semiconductor(安森美)	Analog Comparators 2-36V Dual Extended Temp
KA2903M	Fairchild	Analog Comparators DISC BY MFG 7/03
KA2903	Fairchild	DUAL COMPARATOR, 15000 uV OFFSET-MAX, 1500 ns RESPONSE TIME, PDIP8
LM2903M	Texas Instruments(德州仪器)	Low Power Low Offset Voltage Dual Comparator 8-SOIC -40 to 85
NCV2903DR2	Rochester Electronics	DUAL COMPARATOR, 15000uV OFFSET-MAX, 1500ns RESPONSE TIME, PDSO8, SOIC-8
LM2903VDR2	ON Semiconductor(安森美)	Analog Comparators 2-36V Dual
NJM2903V-(TE1)	New Japan Radio Co Ltd	Comparator, 2 Func, 7000uV Offset-Max, 1500ns Response Time, BIPolar, PDSO8, SSOP-8
NJM2903M-(TE2)	New Japan Radio Co Ltd	Comparator, 2 Func, 7000uV Offset-Max, 1500ns Response Time, BIPolar, PDSO8, DMP-8
NJM2903M-(TE4)	New Japan Radio Co Ltd	Comparator, 2 Func, 7000uV Offset-Max, 1500ns Response Time, BIPolar, PDSO8, DMP-8
LM2903DR2	Rochester Electronics	DUAL COMPARATOR, 15000uV OFFSET-MAX, 1500ns RESPONSE TIME, PDSO8, SOIC-8
LM2903M/NOPB	Texas Instruments(德州仪器)	Low Power Low Offset Voltage Dual Comparator 8-SOIC -40 to 85
LM2903MX/NOPB	Texas Instruments(德州仪器)
NCV2903DR2G	ON Semiconductor(安森美)	输出类型：CMOS, DTL, ECL, MOS, Open-Collector, TTL 各通道功耗：2.5mA 传播延迟：- 比较器组数：2 电源电压：2V ~ 36V, ±1V ~ 18V
NJM2903M-(TE1)	New Japan Radio Co Ltd	Comparator, 2 Func, 7000uV Offset-Max, 1500ns Response Time, BIPolar, PDSO8, DMP-8
NJM2903M-(T1)	New Japan Radio Co Ltd	Comparator, 2 Func, 7000uV Offset-Max, 1500ns Response Time, BIPolar, PDSO8, DMP-8
NJM2903M-(TE3)	New Japan Radio Co Ltd	Comparator, 2 Func, 7000uV Offset-Max, 1500ns Response Time, BIPolar, PDSO8, DMP-8
NJM2903E-(T2)	New Japan Radio Co Ltd	Comparator, 2 Func, 7000uV Offset-Max, 1500ns Response Time, BIPolar, PDSO8, MINI, PLASTIC, EMP-8

器件捷径: L0 L1 L2 L3 L4 L5 L6 L7 L8 L9 LA LB LC LD LE LF LG LH LI LJ LK LL LM LN LO LP LQ LR LS LT LU LV LW LX LY LZ M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ N0 N1 N2 N3 N4 N5 N6 N7 N8 NA NB NC ND NE NF NG NH NI NJ NK NL NM NN NO NP NQ NR NS NT NU NV NX NZ O0 O1 O2 O3 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OP OQ OR OS OT OV OX OY OZ P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PJ PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY PZ Q1 Q2 Q3 Q4 Q5 Q6 Q8 Q9 QA QB QC QE QF QG QH QK QL QM QP QR QS QT QV QW QX QY R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ

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LM2903IN