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LT1491 Datasheet(PDF) 3 Page - Linear Technology

No. de pieza LT1491
Descripción Electrónicos  Dual and Quad Micropower Rail-to-Rail Input and Output Op Amps
PDF  12 Pages
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Fabricante Electrónico  LINER [Linear Technology]
Página de inicio  http://www.linear.com
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LT1491 Datasheet(HTML) 3 Page - Linear Technology

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3
LT1490/LT1491
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
en
Input Noise Voltage Density
f = 1kHz
50
nV/
√Hz
in
Input Noise Current Density
f = 1kHz
0.03
pA/
√Hz
RIN
Input Resistance
Differential
6
17
M
Ω
Common Mode, VCM = 0V to 44V
4
11
M
Ω
CIN
Input Capacitance
4.6
pF
Input Voltage Range
q
044
V
CMRR
Common Mode Rejection Ratio
VCM = 0V to VCC – 1V
q
84
98
dB
(Note 4)
VCM = 0V to 44V
q
80
98
dB
AVOL
Large-Signal Voltage Gain
VS = 3V, VO = 500mV to 2.5V, RL = 10k
200
1500
V/mV
0
°C ≤ TA ≤ 70°C
q
133
V/mV
–40
°C ≤ TA ≤ 85°C
q
100
V/mV
VS = 5V, VO = 500mV to 4.5V, RL = 10k
400
1500
V/mV
0
°C ≤ TA ≤ 70°C
q
250
V/mV
–40
°C ≤ TA ≤ 85°C
q
200
V/mV
VOL
Output Voltage Swing Low
VS = 3V, No Load
q
22
50
mV
VS = 3V, ISINK = 5mA
q
250
450
mV
VS = 5V, No Load
q
22
50
mV
VS = 5V, ISINK = 5mA
q
250
500
mV
VS = 5V, ISINK = 10mA
330
500
mV
VOH
Output Voltage Swing High
VS = 3V, No Load
q
2.95
2.978
V
VS = 3V, ISOURCE = 5mA
q
2.55
2.6
V
VS = 5V, No Load
q
4.95
4.978
V
VS = 5V, ISOURCE = 10mA
q
4.30
4.6
V
ISC
Short-Circuit Current (Note 2)
VS = 3V, Short to GND
10
15
mA
VS = 3V, Short to VCC
10
30
mA
VS = 5V, Short to GND
15
25
mA
VS = 5V, Short to VCC
15
30
mA
PSRR
Power Supply Rejection Ratio
VS = 2.5V to 12.5V, VCM = VO = 1V
q
84
98
dB
Minimum Operating Supply Voltage
q
2
2.5
V
Reverse Supply Voltage
IS = – 100µA per Amplifier
q
18
27
V
IS
Supply Current per Amplifier
40
50
µA
(Note 5)
q
55
µA
GBW
Gain Bandwidth Product
f = 1kHz
110
180
kHz
(Note 4)
0
°C ≤ TA ≤ 70°C
q
100
kHz
–40
°C ≤ TA ≤ 85°C
q
90
kHz
SR
Slew Rate
AV = – 1, RL = ∞
0.035
0.06
V/
µs
(Note 6)
0
°C ≤ TA ≤ 70°C
q
0.031
V/
µs
–40
°C ≤ TA ≤ 85°C
q
0.030
V/
µs
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. VS = 3V, 0V; VS = 5V, 0V; VCM = VOUT = half supply, unless otherwise noted. (Note 3)



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