LMV921M7X

更新时间： 2024-11-25 22:51:51

品牌	Logo	应用领域
美国国家半导体 - NSC		放大器
页数	文件大小	规格书
27页	738K
描述
1.8V, 1MHz, Low Power Operational Amplifiers with Rail-To-Rail Input and Output

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数据手册
替代型号

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LMV921M7X 数据手册

December 1999

LMV921 Single/ LMV922 Dual/ LMV924 Quad

1.8V, 1MHz, Low Power Operational Amplifiers with

Rail-To-Rail Input and Output

General Description

Features

(Typical 1.8V Supply Values; Unless Otherwise Noted)

n Guaranteed 1.8V, 2.7V and 5V specifications

n Rail-to-Rail input & output swing

The LMV921 Single/LMV922 Dual/LMV924 Quad are guar-

anteed to operate from +1.8V to +5.0V supply voltages and

have rail-to-rail input and output. This rail-to-rail operation

enables the user to make full use of the entire supply voltage

range. The input common mode voltage range extends

300mV beyond the supplies and the output can swing

rail-to-rail unloaded and within 100mV from the rail with

600Ω load at 1.8V supply. The LMV921/LMV922/LMV924

are optimized to work at 1.8V which make them ideal for por-

table two-cell battery-powered systems and single cell Li-Ion

systems.

—

w/600Ω load

w/2kΩ load

100 mV from rail

30 mV from rail

300mV beyond rails

n V_CM

n 90dB gain w/600Ω load

n Supply current

n Gain bandwidth product

n LMV921 Maximum V_OS

145µA/amplifier

1MHz

6mV

n LMV921 available in Ultra Tiny, SC70-5 package

n LMV922 available in MSOP-8 package

n LMV924 available in TSSOP-14 package

The

LMV921/LMV922/LMV924

exhibit

excellent

speed-power ratio, achieving 1MHz gain bandwidth product

at 1.8V supply voltage with very low supply current. The

LMV921/LMV922/LMV924 are capable of driving 600Ω load

and up to 1000pF capacitive load with minimal ringing. The

LMV921/LMV922/LMV924’s high DC gain of 100dB makes

them suitable for low frequency applications.

Applications

n Cordless/cellular phones

n Laptops

n PDAs

n PCMCIA

n Portable/battery-powered electronic Equipment

n Supply current Monitoring

n Battery monitoring

The LMV921 (Single) is offered in a space saving SC70–5

and SOT23–5 packages. The SC70–5 package is only

2.0X2.1X1.0mm. These small packages are ideal solutions

for area constrained PC boards and portable electronics

such as cellphones and PDAs.

Connection Diagrams

5-Pin SC70-5/SOT23-5

8-Pin MSOP/SOIC

DS100979-84

Top View

DS100979-2

Top View

DS100979

www.national.com

12 3 4 5 6 7...27

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LMV921M7X 替代型号

型号	品牌	替代类型	描述	数据表
LMV921M7	NSC	功能相似	1.8V, 1MHz, Low Power Operational Amplifiers with Rail-To-Rail Input and Output

与LMV921M7X相关器件

型号	品牌	获取价格	描述	数据表
LMV922	NSC	获取价格	1.8V, 1MHz, Low Power Operational Amplifiers with Rail-To-Rail Input and Output
LMV922M	NSC	获取价格	1.8V, 1MHz, Low Power Operational Amplifiers with Rail-To-Rail Input and Output
LMV922M	ROCHESTER	获取价格	DUAL OP-AMP, 9500uV OFFSET-MAX, 1MHz BAND WIDTH, PDSO8, SOIC-8
LMV922MM	NSC	获取价格	1.8V, 1MHz, Low Power Operational Amplifiers with Rail-To-Rail Input and Output
LMV922MMX	NSC	获取价格	1.8V, 1MHz, Low Power Operational Amplifiers with Rail-To-Rail Input and Output
LMV922MMX	ROCHESTER	获取价格	DUAL OP-AMP, 9500uV OFFSET-MAX, 1MHz BAND WIDTH, PDSO8, MSOP-8
LMV922MX	NSC	获取价格	1.8V, 1MHz, Low Power Operational Amplifiers with Rail-To-Rail Input and Output
LMV922MX	ROCHESTER	获取价格	DUAL OP-AMP, 9500uV OFFSET-MAX, 1MHz BAND WIDTH, PDSO8, SOIC-8
LMV924	NSC	获取价格	1.8V, 1MHz, Low Power Operational Amplifiers with Rail-To-Rail Input and Output
LMV924M	NSC	获取价格	1.8V, 1MHz, Low Power Operational Amplifiers with Rail-To-Rail Input and Output

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