OP497
1000
10
VOLTAGE NOISE DENSITY – nV/
Hz
CURRENT NOISE DENSITY – fA /
Hz
V/
Hz
T
A
= 25 C
V
S
= 2V TO 20V
T
A
= 25 C
V
S
= 2V TO
20V
5mV
1s
NOISE VOLTAGE – 100mV/DIV
100
90
CURRENT NOISE
VOLTAGE NOISE
10
TOTAL NOISE DENSITY –
100
1
10Hz
1kHz
0.1
10
0%
V
S
= 15V
T
A
= 25 C
1
1
10
100
FREQUENCY – Hz
1000
0.01
10
2
10
3
10
4
10
5
10
6
10
7
0
2
SOURCE RESISTANCE –
4
6
TIME – Secs
8
10
TPC 10. Voltage Noise Density
vs. Frequency
TPC 11. Total Noise Density vs.
Source Resistance
TPC 12. 0.1 Hz to 10 Hz Noise Voltage
DIFFERENTIAL INPUT VOLTAGE – 10 V/ DIV
100
80
GAIN
OPEN-LOOP GAIN – dB
OPEN - LOOP GAIN – V/ MV
PHASE SHIFT – DEG
60
40
20
0
–20
–40
100
PHASE
V
S
= 15V
C
L
= 30pF
R
L
= 1M
T
A
= 25 C
10000
T
A
= –55 C
T
A
= +25C
R
L
= 2k
V
S
= 15V
V
CN
= 10V
T
A
= +125 C
T
A
= +125 C
1000
90
135
180
225
T
A
= +25 C
T
A
= –55 C
V
S
=
V
O
=
100
1
15V
10V
10
LOAD RESISTANCE – k
20
1k
10k
100k
1M
FREQUENCY – Hz
10M
–15
–10
–5
0
5
10
OUTPUT VOLTAGE – V
15
TPC 13. Open-Loop Gain,
Phase vs. Frequency
TPC 14. Open-Loop Gain vs.
Load Resistance
TPC 15. Open-Loop Gain Linearity
160
160
POWER SUPPLY REJECTION – dB
35
COMMON - MODE REJECTION – dB
140
120
100
80
60
40
20
0
1
10
100
1k
10k
FREQUENCY – Hz
V
S
= 15V
T
A
= 25 C
140
120
100
80
60
40
20
0
+PSR
–PSR
V
S
= 15V
T
A
= 25 C
OUTPUT SWING – V
p-p
30
25
20
15
10
5
0
100
V
S
= 15V
T
A
= 25 C
A
VCL
= +1
1%THD
R
L
= 10k
100k
1M
1
10
100
1k
10k
100k
1M
FREQUENCY – Hz
1k
10k
FREQUENCY – Hz
100k
TPC 16. Common-Mode
Rejection vs. Frequency
TPC 17. Power Supply
Rejection vs. Frequency
TPC 18. Maximum Output
Swing vs. Frequency
REV. D
–5–
AD [ ANALOG DEVICES ]
