OP191 Analog Devices, OP191 Datasheet - Page 8

• 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
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 8. OP291 Input Offset Voltage Drift Distribution, V
–0.02
–0.04
–0.06
–0.08
–0.10
–0.12
–0.14
180
160
140
120
100
120
100
Figure 7. OP291 Input Offset Voltage Distribution, V
80
60
40
20
80
60
40
20
–0.18
0
0
Figure 9. Input Offset Voltage vs. Temperature, V
0
–40
0
V
T
BASED ON
1200 OP AMPS
V
S
A
S
= 3V
= 25°C
= 3V
1
–0.10
INPUT OFFSET VOLTAGE (µV/°C)
INPUT OFFSET VOLTAGE (mV)
2
25
TEMPERATURE (°C)
–0.02
3
V
–40°C < T
BASED ON 600 OP AMPS
4
0.06
S
= 3V
85
V
V
A
CM
5
CM
< +125°C
= 0.1V
= 3V
0.14
V
S
CM
V
= 3 V
S
6
CM
= 3 V
= 2.9V
S
= 3 V
= 0V
0.22
125
7
Rev. E | Page 8 of 24
Figure 12. Input Bias Current vs. Input Common-Mode Voltage, V
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–1.6
–1.8
–10
–20
–30
–40
–50
–60
–12
–18
–24
–30
–36
40
30
20
10
36
30
24
18
12
–6
Figure 11. Input Offset Current vs. Temperature, V
0
6
0
0
Figure 10. Input Bias Current vs. Temperature, V
–40
–40
0
V
V
S
S
V
= 3V
S
0.3
= 3V
= 3V
0.6
INPUT COMMON-MODE VOLTAGE (V)
0.9
25
25
TEMPERATURE (°C)
TEMPERATURE (°C)
1.2
V
V
1.5
CM
CM
V
CM
= 0.1V
= 2.9V
V
V
V
V
1.8
= 3V
CM
CM
CM
CM
= 3V
= 2.9V
= 0.1V
= 0V
85
85
2.1
V
CM
2.4
= 0V
S
S
= 3 V
= 3 V
2.7
125
S
125
3.0
= 3 V