Datasheet

OP97
Rev. F | Page 8 of 16
10k
1k
100
12 510
LOAD RESISTANCE (kΩ)
OPEN-LOOP GAIN (V/mV)
00299-014
20
V
S
= ±15V
V
O
= ±10V
T
A
= +25°C
T
A
= –55°C
T
A
= +125°C
Figure 14. Open-Loop Gain vs. Load Resistance
CURRENT NOISE DENSITY (fA/ Hz)
1k
100
10
1
1k
100
10
1
1 10 100 1k
FREQUENCY (Hz)
00299-015
VOLTAGE NOISE DENSITY (nV/ Hz)
T
A
= 25°C
V
S
= ±2V TO ±20V
CURRENT NOISE
VOLTAGE NOISE
1/1 CORNER
2.5Hz
1/1 CORNER
120Hz
Figure 15. Noise Density vs. Frequency
10
1
0.1
0.01
100 1k 10k 100k 1M 10M 100M
SOURCE RESISTANCE (Ω)
00299-016
TOTAL NOISE DENSITY (µV/ Hz)
T
A
= 25°C
V
S
= ±2V TO ±20V
1kHz
10Hz
RESISTOR NOISE
R
R
R
S
= 2R
Figure 16. Total Noise Density vs. Source Resistance
–15 50–5–10 10 15
OUTPUT VOLTAGE (V)
DIFFERENTIAL INPUT VOLTAGE (10µV/DIV)
00299-017
T
A
= +25°C
T
A
= +125°C
T
A
= –55°C
R
L
= 10kΩ
V
S
= ±15V
V
CM
= 0V
Figure 17. Open-Loop Gain Linearity
35
30
25
20
15
10
5
0
10 100 1k 10k
LOAD RESISTANCE (Ω)
00299-018
OUTPUT SWING (V p-p)
T
A
= 25°C
V
S
= ±15V
A
VCL
= +1
1% THD
f
O
= 1kHz
Figure 18. Maximum Output Swing vs. Load Resistance
35
30
25
20
15
10
5
0
100 1k 10k 100k
FREQUENCY (Hz)
00299-019
OUTPUT SWING (V p-p)
T
A
= 25°C
V
S
= ±15V
A
VCL
= +1
1% THD
R
L
= 10kΩ
Figure 19. Maximum Output Swing vs. Frequency