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PDF LMV321 Data sheet ( Hoja de datos )
| Número de pieza | LMV321 | |
| Descripción | Rail-to-Rail Amplifiers | |
| Fabricantes | Exar | |
| Logotipo |  |
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Data Sheet
LMV321
General Purpose, Rail-to-Rail Output Amplifier
Rail-to-Rail Amplifiers
FEATURES
n 130μA supply current
n 1MHz gain bandwidth
n Input voltage range with 5V supply:
-0.2V to 4.2V
n Output voltage range with 5V supply:
0.065V to 4.99V
n >1V/μs slew rate
n No crossover distortion
n Fully specified at 2.7V and 5V supplies
n LMV321: Pb-free TSOT-5
APPLICATIONS
n Portable/battery-powered applications
n Mobile communications, cell phones,
pagers
n ADC buffer
n Active filters
n Portable test instruments
n Signal conditioning
n Medical Equipment
n Portable medical instrumentation
General Description
The LMV321 is a single channel, low cost, voltage feedback amplifier. The
LMV321 consumes only 130μA of supply current and is designed to operate
from a supply range of 2.7V to 5.5V (±1.35 to ±2.75). The input voltage
range extends 200mV below the negative rail and 800mV below the positive
rail.
The LMV321 is fabricated on a CMOS process. It offers 1MHz gain bandwidth
product and >1V/μs slew rate. The combination of low power, low supply
voltage operation, and rail-to-rail performance make the LMV321 well suited
for battery-powered systems. The LMV321 is packaged in the space saving
TSOT-5 package. TSOT-5 package is pin compatible with the SOT23-5
package.
Typical Performance Examples
Vout vs. Vcm
Slew Rate vs. Supply Voltage
Ω
Vin = 1Vpp
Ordering Information
Part Number
Package
LMV321IST5X
TSOT-5
Moisture sensitivity level for all parts is MSL-1.
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
Pb-Free
Yes
RoHS Compliant
Yes
Operating Temperature Range Packaging Method
-40°C to +85°C
Reel
www.exar.com
Tel. +1 510 668-7000 - Fax. +1 510 668-7001
1 page  
Data Sheet
Electrical Characteristics at +5V
TA = 25°C, VS = +5V, Rf = Rg =10kΩ, RL = 10kΩ to VS/2, G = 2; unless otherwise noted. Boldface limits apply at the
temperature extremes.
Symbol Parameter
DC Performance
VIO Input Offset Voltage
dVIO
Ib
Average Drift
Input Bias Current
IOS Input Offset Current
CMRR
PSRR
CMIR
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Common Mode Input Range
AOL
VOUT
Open-Loop Gain
Output Voltage Swing
ISC Short Circuit Output Current
IS Supply Current
AC Performance
SR Slew Rate
GBWP
Gain Bandwidth Product
Φm Phase Margin
Gm Gain Margin
en Input Voltage Noise
Conditions
0V ≤ VCM ≤ 4V
2.7V ≤ V+ ≤ 5V, VO=1V, VCM=1V
For VCM ≤ 50 dB
RL = 2kΩ
RL = 2kΩ to VS / 2
RL = 10kΩ to VS / 2
Sourcing VO=0V
Sinking VO=5V
CL=200 pF
f = 1kHz
Min Typ Max Units
1.7
5
<1
<1
50
50
0
15
10
V+ -300
V+ -400
65
60
-0.2
4.2
100
V+ -40
120
V+ -100
V+ -200
V+ -10
65
5 60
10 160
130
7
9
250
500
50
150
4
300
400
180
280
250
350
mV
µV/°C
nA
nA
dB
dB
V
V
V/mV
mV
mV
mV
mV
mA
mA
μA
>1 V/µs
1 MHz
60 °
10 dB
39 nV/√Hz
Notes:
Min max specifications are guaranteed by testing, design, or characterization
©2009-2013 Exar Corporation
5/15
Rev 1A
5 Page 
Data Sheet
Typical Performance Characteristics at +5V - Continued
TA = 25°C, VS = +5V, Rf = Rg =10kΩ, RL = 10kΩ to VS/2, G = 2; unless otherwise noted.
Non-Inverting Large Signal Pulse Response
Ω
Non-Inverting Large Signal Pulse Response
Ω
μs/div)
Non-Inverting Large Signal Pulse Response
Ω
μs/div)
NNNooonnn---IIInnnvvveeerrrtttiiinnnggg SSSmmmaaalllll SSSiiigggnnnaaalll PPPuuulllssseee RRReeessspppooonnnssseee
Ω
μs/div)
Non-Inverting Small Signal Pulse Response
Ω
μs/div)
Non-Inverting Small Signal Pulse Response
Ω
μs/div)
μs/div)
©2009-2013 Exar Corporation
11/15
Rev 1A
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet LMV321.PDF ] | |
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