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LMV921 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LMV921
Description  1.8V, 1MHz, Low Power Operational Amplifiers with Rail-To-Rail Input and Output
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LMV921 Datasheet(HTML) 1 Page - National Semiconductor (TI)

 
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LMV921 Single/ LMV922 Dual/ LMV924 Quad
1.8V, 1MHz, Low Power Operational Amplifiers with
Rail-To-Rail Input and Output
General Description
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
600
Ω 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.
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 600
Ω 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.
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.
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
w/600
Ω load
100 mV from rail
w/2k
Ω load
30 mV from rail
n VCM
300mV beyond rails
n 90dB gain w/600
Ω load
n Supply current
145µA/amplifier
n Gain bandwidth product
1MHz
n LMV921 Maximum VOS
6mV
n LMV921 available in Ultra Tiny, SC70-5 package
n LMV922 available in MSOP-8 package
n LMV924 available in TSSOP-14 package
Applications
n Cordless/cellular phones
n Laptops
n PDAs
n PCMCIA
n Portable/battery-powered electronic Equipment
n Supply current Monitoring
n Battery monitoring
Connection Diagrams
5-Pin SC70-5/SOT23-5
DS100979-84
Top View
8-Pin MSOP/SOIC
DS100979-2
Top View
December 1999
© 1999 National Semiconductor Corporation
DS100979
www.national.com


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