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OP297FS Datasheet(PDF) 4 Page - Analog Devices

Part # OP297FS
Description  Dual Low Bias Current Precision Operational Amplifier
PDF  12 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

OP297FS Datasheet(HTML) 4 Page - Analog Devices

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REV. E
–4–
OP297
INPUT OFFSET VOLTAGE (pA)
0
–100 –80
60
–60 –40 –20 0
20
40
200
100
80 100
1200 UNITS
TA = 25 C
VS = 15V
VCM = 0V
300
400
TPC 1. Typical Distribution of
Input Offset Voltage
TEMPERATURE ( C)
60
–60
–75
–50
125
–25
0
25
50
75
100
40
20
0
–20
–40
IB–
IB+
IOS
VS = 15V
VCM = 0V
TPC 4. Input Bias, Offset
Current vs. Temperature
SOURCE RESISTANCE ( )
10000
10
10
10M
100
1M
100k
10k
1k
100
1000
VS = 15V
VCM = 0V
BALANCED OR UNBALANCED
TA = +25 C
–55 C
TA
+125 C
TPC 7. Effective Offset Voltage
vs. Source Resistance
INPUT BIAS CURRENT (pA)
0
–100 –80
60
–60 –40 –20
0
20
40
250
200
150
100
50
80 100
1200 UNITS
TA = 25 C
VS = 15V
VCM = 0V
TPC 2. Typical Distribution of
Input Bias Current
60
–40
–15
–20
40
20
0
VS = 15V
VCM = 0V
COMMON-MODE VOLTAGE (V)
–10
–5
0
5
10
15
IB–
IB+
IOS
TPC 5. Input Bias, Offset Current vs.
Common-Mode Voltage
SOURCE RESISTANCE ( )
100
0.1
10
10M
1M
100k
10k
1k
100
VS = 15V
VCM = 0V
BALANCED OR UNBALANCED
100M
1
TPC 8. Effective TCVOS vs.
Source Resistance
0
–100
1200 UNITS
TA = 25 C
VS = 15V
VCM = 0V
400
300
200
100
INPUT OFFSET VOLTAGE (pA)
–80
60
–60 –40 –20
0
20
40
80 100
TPC 3. Typical Distribution of
Input Offset Current
TIME AFTER POWER APPLIED (Minutes)
0
01
2345
1
3
2
TA = 25 C
VS = 15V
VCM = 0V
TPC 6. Input Offset Voltage
Warm-Up Drift
TIME FROM OUTPUT SHORT (Minutes)
35
–35
04
12
3
20
5
25
30
15
10
0
–30
–25
–20
–15
–10
–5
VS = 15V
OUTPUT SHORTED
TO GROUND
TA = –55 C
TA = +25 C
TA = +125 C
TA = +125 C
TA = +25 C
TA = –55 C
TPC 9. Short Circuit Current
vs. Time, Temperature
–Typical Performance Characteristics



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