OP191 Analog Devices, OP191 Datasheet - Page 9

• Manufacturer Part Number: OP191
• Description: Micropower Single-Supply Rail-to-Rail Input/Output Op Amps
• Manufacturer: Analog Devices

Specifications of OP191

• -3db Bandwidth: 3MHz
• Slew Rate: 500mV/µs
• Vos: 80µV
• Ib: 30nA
• # Opamps Per Pkg: 1
• Input Noise (nv/rthz): 35nV/rtHz
• Vcc-vee: 2.7V to 12V
• Isy Per Amplifier: 420µA
• Packages: SOIC

160
140
120
100
–20
–40
80
60
40
20
0
1200
1000
Figure 14. Open-Loop Gain and Phase vs. Frequency, V
3.00
2.95
2.90
2.85
2.80
2.75
100
800
600
400
200
Figure 13. Output Voltage Swing vs. Temperature, V
0
–40
–40
Figure 15. Open-Loop Gain vs. Temperature, V
V
S
= 3V
1k
FREQUENCY (Hz)
+V
10k
25
25
TEMPERATURE (°C)
TEMPERATURE (°C)
O
R
V
R
V
L
CM
L
CM
@ R
= 100kΩ,
= 100kΩ,
= 2.9V
= 0.1V
L
= 2kΩ
100k
+V
O
@ R
V
S
85
85
= 3V, V
L
= 100kΩ
1M
V
T
S
A
O
= 3V
= 25°C
S
= 0.3V/2.7V
= 3 V
S
= 3 V
S
= 3 V
10M
90
45
0
–45
–90
125
125
Rev. E | Page 9 of 24
160
140
120
100
–20
–40
–10
–20
–30
–40
–50
50
40
30
20
10
80
60
40
20
90
89
88
87
86
85
84
0
0
100
–40
10
Figure 16. Closed-Loop Gain vs. Frequency, V
V
S
Figure 18. CMRR vs. Temperature, V
= 3V
Figure 17. CMRR vs. Frequency, V
100
1k
25
1k
TEMPERATURE (°C)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
OP191/OP291/OP491
10k
100k
100k
85
S
= 3 V
S
= 3 V
S
1M
V
T
= 3 V
A
S
1M
CMRR
V
T
= 25°C
= 3V
A
S
= 3V
= 25°C
10M
10M
125