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OP491GP Datasheet(PDF) 3 Page - Analog Devices

No. de pieza OP491GP
Descripción Electrónicos  Micropower Single-Supply Rail-to-Rail Input/Output Op Amps
PDF  20 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
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OP491GP Datasheet(HTML) 3 Page - Analog Devices

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REV. 0
–3–
ELECTRICAL SPECIFICATIONS (@ V
S = +5.0 V, VCM = 0.1 V, VO = 1.4 V, TA = +25
°C unless otherwise noted)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
INPUT CHARACTERISTICS
Offset Voltage
OP191
VOS
80
500
µV
–40
≤ T
A ≤ +125°C
1.0
mV
OP291/OP491
VOS
80
700
µV
–40
≤ T
A
≤ +125°C
1.25
mV
Input Bias Current
IB
30
50
nA
–40
≤ T
A
≤ +125°C60
nA
Input Offset Current
IOS
0.1
8
nA
–40
≤ T
A ≤ +125°C16
nA
Input Voltage Range
0
5
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 4.9 V
70
93
dB
–40
≤ T
A ≤ +125°C65
90
dB
Large Signal Voltage Gain
AVO
RL = 10 k
Ω , V
O = 0.3 V to 4.7 V
25
70
V/mV
–40
≤ T
A
≤ +125°C
50
V/mV
Offset Voltage Drift
∆V
OS/∆T
–40
≤ T
A ≤ +125°C
1.1
µV/°C
Bias Current Drift
∆I
B/
∆T
100
pA/
°C
Offset Current Drift
∆I
OS/
∆T
20
pA/
°C
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 100 k
Ω to GND
4.95
4.99
V
–40
°C to +125°C
4.90
4.98
V
RL = 2 k
Ω to GND
4.8
4.85
V
–40
°C to +125°C
4.65
4.75
V
Output Voltage Low
VOL
RL = 100 kΩ to V+
4.5
10
mV
–40
°C to +125°C35
mV
RL = 2 k
Ω to V+
40
75
mV
–40
°C to +125°C
155
mV
Short Circuit Limit
ISC
Sink/Source
±8.75
±13.5
mA
–40
°C to +125°C
±6.0
±10.5
mA
Open Loop Impedance
ZOUT
f = 1 MHz, AV = 1
200
Ω
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = 2.7 V to 12 V
80
110
dB
–40
≤ T
A
≤ +125°C
75
110
dB
Supply Current/Amplifier
ISY
VO = 0 V
220
400
µA
–40
≤ T
A
≤ +125°C
350
500
µA
DYNAMIC PERFORMANCE
Slew Rate
+SR
RL = 10 k
Ω
0.4
V/
µs
Slew Rate
–SR
RL = 10 k
Ω
0.4
V/
µs
Full-Power Bandwidth
BWP
1% Distortion
1.2
kHz
Settling Time
tS
To 0.01%
22
µs
Gain Bandwidth Product
GBP
3
MHz
Phase Margin
θ
O
45
Degrees
Channel Separation
CS
f = 1 kHz, RL = 10 k
Ω
145
dB
NOISE PERFORMANCE
Voltage Noise
en p-p
0.1 Hz to 10 Hz
2
µV p-p
Voltage Noise Density
en
f = 1 kHz
35
nV/
√Hz
Current Noise Density
in
0.8
pA/
√Hz
NOTES
+5 V specifications are guaranteed by +3 V and
±5 V testing.
Specifications subject to change without notice.
OP191/OP291/OP491



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