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LMV301MGX Datasheet

  • LMV301MGX

  • Low Input Bias Current, 1.8V Op Amp w/ Rail-to-Rail Output

  • 19頁

  • NSC

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LMV301 Low Input Bias Current, 1.8V Op Amp w/ Rail-to-Rail Output
March 2001
LMV301
Low Input Bias Current, 1.8V Op Amp w/ Rail-to-Rail
Output
General Description
The LMV301 CMOS operational amplifier is ideal for single
supply, low voltage operation with a guaranteed operating
voltage range from 1.8V to 5V. The low input bias current of
less than 0.182pA typical, eliminates input voltage errors that
may originate from small input signals. This makes the
LMV301 ideal for electrometer applications requiring low
input leakage such as sensitive photodetection transimped-
ance amplifiers and sensor amplifiers. The LMV301 also
features a rail-to-rail output voltage swing in addition to a
input common-mode range that includes ground. The
LMV301 will drive a 600鈩?resistive load and up to 1000pF
capacitive load in unity gain follower applications. The low
supply voltage also makes the LMV301 well suited for
portable two-cell battery systems and single cell Li-Ion
systems.
The LMV301 exhibits excellent speed-power ratio, achieving
1MHz at unity gain with low supply current. The high DC gain
of 100dB makes it ideal for other low frequency applications.
The LMV301 is offered in a space saving SC-70 package,
which is only 2.0X2.1X1.0mm. It is also similar to the
LMV321 except the LMV301 has a CMOS input.
Key Specifications
(Typical values unless otherwise specified)
n
Input bias current
0.182pA
n
Gain bandwidth product
1MHz
n
Supply voltage
@
1.8V
1.8V to 5V
n
Supply current
150碌A(chǔ)
n
Input referred voltage noise
@
1kHz
40nV/
n
DC Gain (600鈩?load)
100dB
n
Output voltage range
@
1.8V
0.024 to 1.77V
n
Input common-mode voltage range 鈭?.3V to V
+
- 1.2V
Applications
n
n
n
n
n
Thermocouple amplifiers
Photo current amplifiers
Transducer amplifiers
Sample and hold circuits
Low frequency active filters
Connection Diagram
SC70-5
Applications Circuit
Low Leakage Sample and Hold
20019307
20019301
Top View
Ordering Information
Package
5-Pin SC70-5
Part Number
LMV301MG
LMV301MGX
Package Marking
A48
Transport Media
1k Units Tape and Reel
3k Units Tape and Reel
NSC Drawing
MAA05A
漏 2001 National Semiconductor Corporation
DS200193
www.national.com

LMV301MGX 產(chǎn)品屬性

  • National Semiconductor (TI)

  • 1

  • 62 dB

  • 8 mV at 5 V

  • 3 V

  • SMD/SMT

  • SC-70

  • 0.66 V/us at 5 V

  • No

  • + 85 C

  • Reel

  • - 40 C

  • 3000

  • 0.26 mA at 5 V

  • 5 V

  • 1.8 V

  • CMOS

  • 117 dB

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