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LT1491A Datasheet(PDF) 4 Page - Linear Technology

Part # LT1491A
Description  Dual/Quad Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1491A Datasheet(HTML) 4 Page - Linear Technology

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4
LT1490A/LT1491A
sn1490, 14901afbs
LT1490AC/LT1491AC
LT1490AI/LT1491AI
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PSRR
Power Supply Rejection Ratio
VS = 2.5V to 12.5V, VCM = VO = 1V
84
98
dB
Minimum Operating Supply Voltage
2
2.5
V
Reverse Supply Voltage
IS = – 100µA per Amplifier
18
27
V
IS
Supply Current per Amplifier
40
50
µA
(Note 7)
55
µA
GBW
Gain Bandwidth Product
f = 1kHz
110
180
kHz
(Note 6)
0
°C ≤ TA ≤ 70°C
100
kHz
–40
°C ≤ TA ≤ 85°C
90
kHz
SR
Slew Rate
AV = – 1, RL = ∞
0.035
0.06
V/
µs
(Note 8)
0
°C ≤ TA ≤ 70°C
0.031
V/
µs
–40
°C ≤ TA ≤ 85°C
0.030
V/
µs
ELECTRICAL CHARACTERISTICS The denotes specifications which apply over the full operating temperature
range of – 40
°C ≤ TA ≤ 85°C, otherwise specifications are at TA = 25°C. VS = 3V, 0V; VS = 5V, 0V; VCM = VOUT = half supply unless
otherwise noted. (Note 4)
LT1490AC/LT1491AC
LT1490AI/LT1491AI
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOS
Input Offset Voltage (Note 5)
LT1490A N, S Packages
150
700
µV
0
°C ≤ TA ≤ 70°C
950
µV
–40
°C ≤ TA ≤ 85°C
1100
µV
LT1490A MS8 Package, LT1491A N, S Packages
250
1200
µV
0
°C ≤ TA ≤ 70°C
1350
µV
–40
°C ≤ TA ≤ 85°C
1500
µV
LT1490A DD, LT1491A DHC
285
1400
µV
0
°C ≤ TA ≤ 70°C
1550
µV
–40
°C ≤ TA ≤ 85°C
1700
µV
Input Offset Voltage Drift (Note 9)
– 40
°C ≤ TA ≤ 85°C
26
µV/°C
LT1490A DD, LT1491A DHC, – 40
°C ≤ TA ≤ 85°C
27
µV/°C
IOS
Input Offset Current
0.2
0.8
nA
IB
Input Bias Current
18
nA
Input Bias Current Drift
– 40
°C ≤ TA ≤ 85°C
5
pA/
°C
Input Noise Voltage
0.1Hz to 10Hz
1
µVP-P
en
Input Noise Voltage Density
f = 1kHz
50
nV/
√Hz
in
Input Noise Current Density
f = 1kHz
0.015
pA/
√Hz
RIN
Input Resistance
Differential
6
17
M
Common Mode, VCM = – 15V to 14V
15000
M
CIN
Input Capacitance
4.6
pF
Input Voltage Range
–15
29
V
CMRR
Common Mode Rejection Ratio
VCM = – 15V to 29V
80
98
dB
AVOL
Large-Signal Voltage Gain
VO = ±14V, RL = 10k
100
250
V/mV
0
°C ≤ TA ≤ 70°C
75
V/mV
–40
°C ≤ TA ≤ 85°C
50
V/mV
VO
Output Voltage Swing
No Load
±14.9
±14.978
V
IOUT = ±5mA
±14.5
±14.750
V
IOUT = ±10mA
±14.5
±14.670
V
The
denotes specifications which apply over the full operating temperature range of – 40
°C ≤ TA ≤ 85°C, otherwise specifications are
at TA = 25°C. VS = ±15V; VCM = 0V, VOUT = 0V unless otherwise noted. (Note 4)


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