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부품번호 LPV511 기능
기능 Rail-to-Rail Input and Output Operational Amplifier
제조업체 National Semiconductor
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LPV511 데이터시트, 핀배열, 회로
www.DataSheet4U.com
August 2005
LPV511
880 nA, Rail-to-Rail Input and Output Operational
Amplifier
General Description
The LPV511 is a micropower operational amplifier that op-
erates from a voltage supply range as wide as 2.7V to 12V
with guaranteed specifications at 3V, 5V and 12V. The
LPV511 exhibits an excellent speed to power ratio, drawing
only 880 nA of supply current with a bandwidth of 27 kHz.
These specifications make the LPV511 an ideal choice for
battery powered systems that require long life through low
supply current, such as instrumentation, sensor conditioning
and battery current monitoring.
The LPV511 has an input range that includes both supply
rails for ground and high side battery sensing applications.
The LPV511 output swings within 100 mV of either rail to
maximize the signal’s dynamic range in low supply applica-
tions. In addition, the output is capable of sourcing 650 µA of
current when powered by a 12V battery.
The LPV511 is available in the space saving SC70 package
which makes it ideal for portable electronics with area con-
strained PC boards.
Features
(Typical at 3V supply unless otherwise noted)
n Supply voltage range
2.7V to 12V
n Slew rate
7.7 V/ms
n Supply current
880 nA
n Output short circuit current
1.35 mA
n Rail-to-rail input
n Output voltage swing
100 mV from rails
n Bandwidth (CL = 50 pF, RL = 1 M)
27 kHz
Applications
n Battery powered systems
n Security systems
n Micropower thermostats
n Solar powered systems
n Portable instrumentation
n Micropower filter
n Remote sensor amplifier
Typical Application
20117003
© 2005 National Semiconductor Corporation DS201170
DataSheet4 U .com
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LPV511 pdf, 반도체, 판매, 대치품
www.DataSheet4U.com
5V Electrical Characteristics (Note 5) (Continued)
Unless otherwise specified, all limits are guaranteed for TJ = 25˚C, V+ = 5V, V= 0V, VCM = VO = V+/2, and RL = 100 kto
V+/2. Boldface limits apply to the temperature range of −40˚C to 85˚C.
Symbol
Parameter
SR Slew Rate (Note 11)
GBW
en
in
Gain Bandwidth Product
Phase Margin
Input-Referred Voltage Noise
Input-Referred Current Noise
Conditions
AV = +1, VO ramps from 0.5V to 4.5V
RL = 1 M, CL= 50 pF
RL = 1 M, CL= 50 pF
f = 100 Hz
f = 10 Hz
f = 1 kHz
Min
(Note 6)
5.25
3.10
Typ
(Note 7)
7.5
27
53
320
.02
.01
Max
(Note 6)
Units
V/ms
kHz
deg
nV/
pA/
12V Electrical Characteristics (Note 5)
Unless otherwise specified, all limits are guaranteed for TJ = 25˚C, V+ = 12V, V= 0V, VCM = VO = V+/2, and RL = 100 kto
V+/2. Boldface limits apply to the temperature range of −40˚C to 85˚C.
Symbol
Parameter
Conditions
VOS Input Offset Voltage
TC VOS Input Offset Average Drift
IB Input Bias Current (Note 9)
(Note 8)
VCM = 0.5V
VCM = 11.5V
IOS
CMRR
Input Offset Current
Common Mode Rejection Ratio VCM Stepped from 0V to +6V
Min
(Note 6)
−1000
−1600
75
70
Typ
(Note 7)
±0.2
±7
−320
110
±10
115
Max
(Note 6)
±3
±3.8
800
1900
Units
mV
µV/C
pA
pA
VCM Stepped from 11.4V to 12V
75 110
68
dB
PSRR
VCM Stepped from 0.5V to 11.5
Power Supply Rejection Ratio V+ = 2.7V to 5V, VCM = 0.5V
V+ = 3V to 5V, VCM = 0.5V
V+ = 5V to 12V, VCM = 0.5V
70 97
65
72 114
68
76 115
72
84 117
80
dB
CMVR
Input Common-Mode Voltage
Range
CMRR 50 dB
−0.1
0
12.1
12
V
AVOL
VO
Large Signal Voltage Gain
Output Swing High
Sinking, VO = 0.5V
Sourcing, VO = 11.5V
VID = 100 mV
89
84
11.8
11.72
110
11.85
dB
V
Output Swing Low
VID = −100 mV
150 200
mV
280
ISC
Output Short Circuit Current
Sourcing
(Note 10)
VID = 100 mV
Sinking
VID = −100 mV
IS Supply Current
−650
−200
200 1300
1.2 1.75
2.5
µA
µA
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LPV511 전자부품, 판매, 대치품
www.DataSheet4U.com
Typical Performance Characteristics At TJ = 25˚C, unless otherwise specified.
Supply Current vs. Supply Voltage
Input Offset Voltage vs. Input Common Mode
20117004
Input Offset Voltage vs. Input Common Mode
20117006
Input Offset Voltage vs. Input Common Mode
20117005
Sourcing Current vs. Output Voltage
20117007
Sinking Current vs. Output Voltage
DataSheet4 U .com
20117011
7
20117009
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