OP191 Analog Devices, OP191 Datasheet - Page 16

• 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

OP191/OP291/OP491
115
110
105
100
100
0.1
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Figure 55. OP291/OP491 PSRR vs. Temperature, V
1k
10
95
90
1
0
–40
–40
1k
V
V
Figure 56. Slew Rate vs. Temperature, V
V
S
S
S
Figure 57. Output Impedance vs. Frequency
= ±5V
= ±5V
= 3V
A
V
= +10
10k
25
25
TEMPERATURE (°C)
TEMPERATURE (°C)
FREQUENCY (Hz)
A
V
OP291
= +100
+SR
–SR
100k
A
V
= +1
85
85
OP491
S
= ±5 V
S
= ±5 V
1M
125
125
2M
Rev. E | Page 16 of 24
OUTPUT
OUTPUT
INPUT
INPUT
100
1k
10
10
Figure 60. Large Signal Transient Response, V
100
100
0%
10
0%
Figure 59. Large Signal Transient Response, V
90
10
90
1.00V
500mV
2.00V
1.00V
Figure 58. Voltage Noise Density, V
100
FREQUENCY (Hz)
2.00µs
2.00µs
1k
S
V
R
A
= 3 V
S
L
V
V
R
= ±5V
= 200kΩ
= +1V/V
S
L
S
S
= ±5 V
= 3V
= 200kΩ
= 3 V
100mV
100mV
10k