LMV981

更新时间： 2024-02-17 05:52:08

品牌	Logo	应用领域
美国国家半导体 - NSC		运算放大器
页数	文件大小	规格书
18页	581K
描述
1.8V, RRIO Operational Amplifiers with Shutdown

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中文翻译

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数据手册

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LMV981 数据手册

December 2002

LMV981 Single / LMV982 Dual

1.8V, RRIO Operational Amplifiers with Shutdown

General Description

Features

LMV981/LMV982 are low voltage, low power operational

amplifiers. LMV981/LMV982 are guaranteed to operate from

+1.8V to +5.0V supply voltages and have rail-to-rail input

and output. LMV981/LMV982 input common mode voltage

extends 200mV beyond the supplies which enables user

enhanced functionality beyond the supply voltage range.

The output can swing rail-to-rail unloaded and within 105mV

from the rail with 600Ω load at 1.8V supply. LMV981/

LMV982 are optimized to work at 1.8V which make them

ideal for portable two-cell battery powered systems and

single cell Li-Ion systems.

(Typical 1.8V Supply Values; Unless Otherwise Noted)

n Guaranteed 1.8V, 2.7V and 5V specifications

n Output swing

— w/600Ω load

— w/2kΩ load

n V_CM

n Supply current (per channel)

n Gain bandwidth product

n Maximum V_OS

80mV from rail

30mV from rail

200mV beyond rails

100µA

1.4MHz

4.0mV

101dB

n Gain w/600Ω load

n Ultra tiny package micro SMD

n Turn-on time from shutdown

n Temperature range

1.0mm x 1.5mm

19µs

−40˚C to 125˚C

LMV981/LMV982 offer a shutdown pin that can be used to

disable the device and reduce the supply current. The device

is in shutdown when the SHDN-pin = low.

LMV981/LMV982 exhibit excellent speed-power ratio,

achieving 1.4MHz gain bandwidth product at 1.8V supply Applications

voltage with very low supply current. LMV981/LMV982 are

capable of driving a 600Ω load and up to 1000pF capacitive

load with minimal ringing. LMV981/LMV982 have a high DC

gain of 101dB, making them suitable for low frequency ap-

plications.

n Industrial and automotive

n Consumer communication

n Consumer computing

n PDAs

n Portable audio

n Portable/battery-powered electronic equipment

n Supply current monitoring

LMV981 is offered in space saving 6-Bump micro SMD,

SC70-6 and SOT23-6 packages. The 6-Bump micro SMD

package has only a 1.006mm x 1.514mm x 0.945mm foot-

print. LMV982 is offered in space saving MSOP-10 package.

These small packages are ideal solutions for area con-

strained PC boards and portable electronics such as cellular

phones and PDAs.

n Battery monitoring

Typical Application

200214H0

DS200214

www.national.com

12 3 4 5 6 7...18

中文翻译

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与LMV981相关器件

型号	品牌	获取价格	描述	数据表
LMV981BL	NSC	获取价格	1.8V, RRIO Operational Amplifiers with Shutdown
LMV981BLX	NSC	获取价格	1.8V, RRIO Operational Amplifiers with Shutdown
LMV981IDBVR	TI	获取价格	1.8-V OPERATIONAL AMPLIFIERS WITH RAIL-TO-RAIL AND OUTPUT AND SHUTDOWN
LMV981IDBVRE4	TI	获取价格	1.8-V OPERATIONAL AMPLIFIERS WITH RAIL-TO-RAIL AND OUTPUT AND SHUTDOWN
LMV981IDBVRG4	TI	获取价格	Single 1.8-V Operational Amplifier with Rail-To-Rail Input and Output and Shutdown 6-SOT-2
LMV981IDBVT	TI	获取价格	1.8-V OPERATIONAL AMPLIFIERS WITH RAIL-TO-RAIL AND OUTPUT AND SHUTDOWN
LMV981IDCKR	TI	获取价格	1.8-V OPERATIONAL AMPLIFIERS WITH RAIL-TO-RAIL AND OUTPUT AND SHUTDOWN
LMV981IDCKRE4	TI	获取价格	1.8-V OPERATIONAL AMPLIFIERS WITH RAIL-TO-RAIL AND OUTPUT AND SHUTDOWN
LMV981IDCKT	TI	获取价格	1.8-V OPERATIONAL AMPLIFIERS WITH RAIL-TO-RAIL AND OUTPUT AND SHUTDOWN
LMV981IRUGR	TI	获取价格	Single 1.8-V Operational Amplifier with Rail-To-Rail Input and Output and Shutdown 8-X2QFN

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