OP291GP 查看數據表（PDF） - Analog Devices
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OP291GP Datasheet PDF : 20 Pages
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OP191/OP291/OP491–Typical Performance Characteristics
180
160
VS = +3V
TA = 25؇C
140
BASED ON
1200 OP AMPS
120
100
80
60
40
20
0
–0.18 –0.10 –0.02 0.06 0.14 0.22
INPUT OFFSET VOLTAGE – mV
TPC 1. OP291 Input Offset Voltage
Distribution, VS = +3 V
120
VS = +3V
100
–40؇C < TA < +125؇C
BASED ON 600 OP AMPS
80
60
40
20
0
01 2 3 4 5 6 7
INPUT OFFSET VOLTAGE – V/ ؇C
TPC 2. OP291 Input Offset Volt-
age Drift Distribution, VS = +3 V
0
–0.02
VS = +3V
–0.04
–0.06
–0.08
VCM = 0.1V
VCM = 0V
VCM = 3V
–0.10
–0.12
VCM = 2.9V
–0.14
–40
25
85
125
TEMPERATURE – ؇C
TPC 3. Input Offset Voltage vs.
Temperature, VS = +3 V
40
VCM = 3V
30
20
10
VCM = 2.9V
0
VS = +3V
–10
–20
VCM = 0.1V
–30
–40
–50
VCM = 0V
–60
–40
25
85
125
TEMPERATURE – ؇C
TPC 4. Input Bias Current vs.
Temperature, VS = +3 V
0
–0.2
VS = +3V
–0.4
–0.6
–0.8
VCM = 0.1V
VCM = 2.9V
VCM = 3V
–1.0
–1.2
VCM = 0V
–1.4
–1.6
–1.8
–40
25
85
125
TEMPERATURE – ؇C
TPC 5. Input Offset Current vs. Tem-
perature, VS = +3 V
36
30 VS = +3V
24
18
12
6
0
–6
–12
–18
–24
–30
–36
0 0.30 0.60 0.90 1.2 1.5 1.8 2.1 2.4 2.7 3.0
INPUT COMMON-MODE VOLTAGE – V
TPC 6. Input Bias Current vs. Com-
mon-Mode Voltage, VS = +3 V
3.00
2.95
+VO @ RL = 100k⍀
2.90
2.85
+VO @ RL = 2k⍀
2.80
VS = +3V
2.75
–40
25
85
125
TEMPERATURE – ؇C
TPC 7. Output Voltage Swing vs.
Temperature, VS = +3 V
160
140
120
100
80
60
40
20
0
–20
–40
100
VS = +3V
TA = 25؇C
1k
10k 100k 1M
FREQUENCY – Hz
0
45
90
135
180
225
270
10M
TPC 8. Open-Loop Gain and Phase
vs. Frequency, VS = +3 V
1200
1000
800
600
RL = 100k⍀,
VCM = 2.9V
RL = 100k⍀,
VCM = 0.1V
400
200
0
–40
VS = 3V, VO = 0.3V/2.7V
25
85
125
TEMPERATURE – ؇C
TPC 9. Open-Loop Gain vs.
Temperature, VS = +3 V
–6–
REV. A
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