OP491_15 Datasheet, PDF (3/24 Pages) Analog Devices – Micropower Single-Supply Rail-to-Rail Input/Output Op Amps

SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
@ VS = 3.0 V, VCM = 0.1 V, VO = 1.4 V, TA = 25°C, unless otherwise noted.
Table 1.
Parameter
INPUT CHARACTERISTICS
Offset Voltage
OP191G
OP291G/OP491G
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection Ratio
Large Signal Voltage Gain
Offset Voltage Drift
Bias Current Drift
Offset Current Drift
OUTPUT CHARACTERISTICS
Output Voltage High
Output Voltage Low
Short-Circuit Limit
Open-Loop Impedance
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current/Amplifier
DYNAMIC PERFORMANCE
Slew Rate
Slew Rate
Full-Power Bandwidth
Settling Time
Gain Bandwidth Product
Phase Margin
Channel Separation
NOISE PERFORMANCE
Voltage Noise
Voltage Noise Density
Current Noise Density
Symbol Conditions
VOS
VOS
IB
IOS
CMRR
AVO
∆VOS/∆T
∆IB/∆T
∆IOS/∆T
VOH
VOL
ISC
ZOUT
PSRR
ISY
+SR
–SR
BWP
tS
GBP
θO
CS
en p-p
en
in
−40°C ≤ TA ≤ +125°C
−40°C ≤ TA ≤ +125°C
−40°C ≤ TA ≤ +125°C
−40°C ≤ TA ≤ +125°C
VCM = 0 V to 2.9 V
−40°C ≤ TA ≤ +125°C
RL = 10 kΩ, VO = 0.3 V to 2.7 V
−40°C ≤ TA ≤ +125°C
RL = 100 kΩ to GND
−40°C to +125°C
RL = 2 kΩ to GND
−40°C to +125°C
RL = 100 kΩ to V+
−40°C to +125°C
RL = 2 kΩ to V+
−40°C to +125°C
Sink/source
−40°C to +125°C
f = 1 MHz, AV = 1
VS = 2.7 V to 12 V
−40°C ≤ TA ≤ +125°C
VO = 0 V
−40°C ≤ TA ≤ +125°C
RL = 10 kΩ
RL = 10 kΩ
1% distortion
To 0.01%
f = 1 kHz, RL = 10 kΩ
0.1 Hz to 10 Hz
f = 1 kHz
Rev. E | Page 3 of 24
OP191/OP291/OP491
Min
Typ
Max Unit
0
70
65
25
2.95
2.90
2.8
2.70
±8.75
±6.0
80
75
80
80
30
0.1
90
87
70
50
1.1
100
20
2.99
2.98
2.9
2.80
4.5
40
±13.50
±10.5
200
110
110
200
330
0.4
0.4
1.2
22
3
45
145
2
30
0.8
500 μV
1
mV
700 μV
1.25 mV
65
nA
95
nA
11
nA
22
nA
3
V
dB
dB
V/mV
V/mV
μV/°C
pA/°C
pA/°C
V
V
V
V
10
mV
35
mV
75
mV
130 mV
mA
mA
Ω
dB
dB
350 μA
480 μA
V/μs
V/μs
kHz
μs
MHz
Degrees
dB
μV p-p
nV/√Hz
pA/√Hz