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LMV921M5 Datasheet

  • LMV921M5

  • National Semiconductor [1.8V, 1MHz, Low Power Operational A...

  • 737.59KB

  • NSC

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LMV921 Single/ LMV922 Dual/ LMV924 Quad 1.8V, 1MHz, Low Power Operational Amplifiers with
Rail-To-Rail Input and Output
December 1999
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鈩?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鈩?load
and up to 1000pF capacitive load with minimal ringing. The
LMV921/LMV922/LMV924鈥檚 high DC gain of 100dB makes
them suitable for low frequency applications.
The LMV921 (Single) is offered in a space saving SC70鈥?
and SOT23鈥? packages. The SC70鈥? 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
鈥?w/600鈩?load
100 mV from rail
鈥?w/2k鈩?load
30 mV from rail
n
V
CM
300mV beyond rails
n
90dB gain w/600鈩?load
n
Supply current
145碌A(chǔ)/amplifier
n
Gain bandwidth product
1MHz
n
LMV921 Maximum V
OS
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
n
n
n
n
n
n
Cordless/cellular phones
Laptops
PDAs
PCMCIA
Portable/battery-powered electronic Equipment
Supply current Monitoring
Battery monitoring
Connection Diagrams
5-Pin SC70-5/SOT23-5
8-Pin MSOP/SOIC
DS100979-84
Top View
DS100979-2
Top View
漏 1999 National Semiconductor Corporation
DS100979
www.national.com

LMV921M5 PDF文件相關(guān)型號(hào)

LMV921M7,LMV922M,LMV922MM,LMV924MT,LMV924MX

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