REV. A
OP471
–4–
FREQUENCY – Hz
100
1
40
5
4
3
2
1
10
100
1k
VO
LTA
G
E
N
OISE
–
nV/
Hz
TA = 25 C
VS = 15V
30
20
10
I/F CORNER = 5Hz
TPC 1. Voltage Noise Density
vs. Frequency
FREQUENCY – Hz
100
1
40
5
4
3
2
1
10
100
1k
VO
LTA
G
E
N
OISE
–
nV/
Hz
TA = 25 C
VS = 15V
30
20
10
I/F CORNER = 5Hz
TPC 4. Current Noise Density
vs. Frequency
TEMPERATURE – C
INPUT
BIAS
CURRENT
–
nA
–75
20
15
10
5
0
–50
–25
0
25
50
75
100
125
VS = 15V
VCM = 0V
TPC 7. Input Bias Current vs.
Temperature
SUPPLY VOLTAGE – V
VO
LTA
G
E
N
OISE
–
nV/
Hz
10
8
2
0
5
20
10
15
6
4
TA = 25 C
AT 10Hz
AT 1kHz
TPC 2. Voltage Noise Density
vs. Supply Voltage
TEMPERATURE – C
INPUT
OFFSET
V
O
LT
A
GE
–
V
400
–75
VS = 15V
200
300
100
0
–50
–25
0
25
50
75
100
125
TPC 5. Input Offset Voltage vs.
Temperature
TEMPERATURE – C
INPUT
OFFSET
CURRENT
–
nA
10
–75 –50
–25
0
25
50
75
100 125
9
8
7
6
5
4
3
2
1
0
VS = 15V
VCM = 0V
TPC 8. Input Offset Current vs.
Temperature
5mV
1s
02
4
6
8
10
TIME – Seconds
NOISE
V
O
L
T
A
GE
–
100nV/DIV
10
0%
100
90
TA = 25 C
VS = 15V
TPC 3. 0.1 Hz to 10 Hz Noise
TIME – Minutes
CHANGE
IN
OFFSET
V
O
LT
A
GE
–
V
20
0
TA = 25 C
VS = 15V
18
16
14
12
10
8
6
4
2
0
1
2345
TPC 6. Warm-Up Offset
Voltage Drift
COMMON-MODE VOLTAGE – V
INPUT
BIAS
CURRENT
–
nA
10
–12.5
TA = 25 C
VS = 15V
9
8
7
6
5
–7.5
–2.5
2.5
7.5
12.5
TPC 9. Input Bias Current vs.
Common-Mode Voltage
–Typical Performance Characteristics