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OP191GS 数据表(PDF) 6 Page - Analog Devices

部件名 OP191GS
功能描述  Micropower Single-Supply Rail-to-Rail Input/Output Op Amps
PDF  20 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

OP191GS 数据表(HTML) 6 Page - Analog Devices

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Figure 3. OP291 Input Offset Volt-
age Drift Distribution, VS = +3 V
TEMPERATURE –
°C
0
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–1.6
–1.8
125
25
–40
85
VCM = 0.1V
VCM = 2.9V
VCM = 3V
VCM = 0V
VS = +3V
Figure 6. Input Offset Current
vs. Temperature, V
S = +3 V
160
100
60
1k
10k
100k
1M
10M
80
100
120
140
–20
0
20
40
VS = +3V
TA = +25°C
90
45
0
270
225
180
135
FREQUENCY – Hz
–40
Figure 9. Open-Loop Gain & Phase
vs. Frequency, VS = +3 V
OP191/OP291/OP491–Typical Performance Characteristics
REV. 0
–6–
Figure 2. OP291 Input Offset Voltage
Distribution, VS = +3 V
TEMPERATURE –
°C
40
30
20
10
0
–10
–20
–30
–40
–50
–60
125
25
–40
85
VCM = 0V
VCM = 0.1V
VCM = 2.9V
VCM = 3V
VS = +3V
Figure 5. Input Bias Current vs.
Temperature, VS = +3 V
VS = +3V
TEMPERATURE –
°C
3.00
2.75
125
2.90
2.80
25
2.85
–40
2.95
85
+VO @ RL = 100k
+VO @ RL = 2k
Figure 8. Output Voltage Swing
vs. Temperature, VS = +3 V
180
0
0.22
40
20
–0.18
60
80
100
120
140
160
0.14
0.06
–0.02
–0.10
INPUT OFFSET VOLTAGE – mV
VS = +3V
TA = +25°C
BASED ON 1200
OP AMPS
INPUT OFFSET VOLTAGE – µV/
°C
120
0
7
60
20
1
40
0
100
80
6
4
3
25
VS = +3V
–40
°C < T
A < +125°C
BASED ON 600 OP AMPS
125
25
–40
VCM = 0V
85
TEMPERATURE –
°C
0
–0.02
–0.04
–0.06
–0.08
–0.1
–0.12
–0.14
VCM = 2.9V
VS = +3V
VCM = 0.1V
VCM = 3V
Figure 4. Input Offset Voltage vs.
Temperature, VS = +3 V
36
–36
3.0
–18
–30
0.30
–24
0
0
–12
–6
6
12
18
30
24
2.7
2.4
2.1
1.8
1.5
1.2
0.90
0.60
INPUT COMMON MODE VOLTAGE – Volts
VS = +3V
Figure 7. Input Bias Current vs.
Common-Mode Voltage, VS = +3 V
1200
1000
800
600
400
200
0
125
25
–40
85
TEMPERATURE –
°C
VS = 3V, VO = 0.3V / 2.7V
RL = 100kΩ,
VCM = 2.9V
RL = 100kΩ,
VCM = 0.1V
Figure 10. Open-Loop Gain vs.
Temperature, VS = +3 V



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