Texas Instruments美国

LM321MF

仪表放大器、运算放大器、缓冲放大器SOT-23

IC OPAMP GP 1 CIRCUIT SOT23-5

LM321MF是一款低功耗单通道运算放大器，采用SOT-23封装，工作温度-40°C至85°C，供电电压3V至30V，增益带宽积1MHz，静态电流430µA，支持单电源或双电源供电。规格书核对

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供电电压范围3 ~ 30 V

增益带宽积1 MHz

输入失调电压2 mV

静态电流430 µA

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技术参数

供电电压范围3 ~ 30 V

增益带宽积1 MHz典型

输入失调电压2 mV典型 · 7 mV (Max) at TA = 25°C，V+ = 5 V，V- = 0 V，VO = 1.4 V

静态电流430 µA典型 · 1.15 mA (Max) at V+ = 5 V，TA = 25°C

通道数1

规格书核对参数

25 项

参数	值和测试条件	出处
供电电压范围	3 V to 30 V (Recommended Operating Conditions); 32 V (Absolute Maximum Rating)
增益带宽积	1 MHz (Typ) at V+ = 30 V, f = 100kHz, VIN = 10 mV, RL = 2kΩ, CL = 100 pF
输入失调电压	2 mV (Typ), 7 mV (Max) at TA = 25°C, V+ = 5 V, V- = 0 V, VO = 1.4 V
静态电流	0.430 mA (Typ), 1.15 mA (Max) at V+ = 5 V, No Load, TA = 25°C
通道数	1
封装	SOT-23 (DBV), 5 Pins
工作温度	-40°C to 85°C
等级	Commercial (Inferred from -40 to 85°C range, no AEC-Q100 mention)
RoHS	Yes
输入偏置电流	45 nA (Typ), 250 nA (Max) at TA = 25°C, V+ = 5 V
输入失调电流	5 nA (Typ), 50 nA (Max) at TA = 25°C, V+ = 5 V
共模抑制比	65 dB (Min), 85 dB (Typ) at RS ≤ 10kΩ
电源抑制比	65 dB (Min), 100 dB (Typ) at RS ≤ 10kΩ, V+ = 5 V to 30 V
压摆率	0.4 V/μs (Typ) at V+ = 15 V, RL = 2kΩ, VIN = 0.5 to 3 V, CL = 100pF, Unity Gain
大信号电压增益	25 V/mV (Min), 100 V/mV (Typ) at V+ = 15 V, RL = 2kΩ, VO = 1.4 V to 11.4 V
输出摆幅(高电平)	27 V (Min), 28 V (Typ) at V+ = 30 V, RL = 10kΩ, -40°C ≤ TJ ≤ 85°C
输出摆幅(低电平)	5 mV (Typ), 20 mV (Max) at V+ = 5 V, RL = 10kΩ, -40°C ≤ TJ ≤ 85°C
输出源电流	20 mA (Min), 40 mA (Typ) at VID = +1 V, V+ = 15 V, VO = 2 V
输出灌电流	10 mA (Min), 20 mA (Typ) at VID = -1 V, V+ = 15 V, VO = 2 V
等效输入噪声电压	40 nV/√Hz (Typ) at f = 1kHz, RS = 100Ω, V+ = 30 V
相位裕度	60 degrees (Typ)
总谐波失真	0.015% (Typ) at f = 1kHz, AV = 20dB, RL = 2kΩ, VO = 2VPP, CL = 100 pF, V+ = 30 V
结温	150°C (Max)
存储温度	-65°C to 150°C
输入共模电压范围	0 V to V+ - 1.5 V at V+ = 30 V, for CMRR >= 50dB

全部参数（20 项）展开收起

电源
Current - Input Bias	45 nA
Current - Output / Channel	40 mA
Current - Supply	660µA
Voltage - Supply Span (Max)	30 V
Voltage - Supply Span (Min)	3 V
交流 / 直流特性
Gain Bandwidth Product	1 MHz
Slew Rate	0.4V/µs
Voltage - Input Offset	2 mV
环境与封装
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5
其他
Amplifier Type	General Purpose
Base Product Number	LM321
Mfr	Texas Instruments
Number of Circuits	1
Output Type	-
Packaging	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®
Part Status	Last Time Buy
Series	-

引脚与封装

脚位	名称	功能	出处
1		同相输入端 (+IN)
2		负电源 (V-)
3		反相输入端 (-IN)
4		输出 (OUTPUT)
5		正电源 (V+)

器件图片

技术资料

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