4
INA137, INA2137
TYPICAL PERFORMANCE CURVES
At TA = +25°C, VS = ±18V, and G = 1/2, unless otherwise noted.
OUTPUT VOLTAGE NOISE SPECTRAL DENSITY
vs FREQUENCY
Frequency (Hz)
Voltage
Noise
(nV/
√Hz)
1
10
100
1k
10k
100k
1M
10k
1k
100
10
OUTPUT NOISE VOLTAGE
vs NOISE BANDWIDTH
Frequency (Hz)
Noise
Voltage
(Vrms)
1
10
100
1k
10k
100k
100
10
1
0.1
DIM INTERMODULATION DISTORTION
vs OUTPUT AMPLITUDE
Output Amplitude (dBu)
DIM
(%)
–10
–5
0
5
10
15
20
25
5
1
0.1
0.010
0.001
R
L = 2k, 600
BW = 100kHz
RTO
HEADROOM - TOTAL HARMONIC DISTORTION+NOISE
vs OUTPUT AMPLITUDE
Output Amplitude (dBu)
THD+Noise
(%)
0
5
10
15
20
25
30
1
0.1
0.010
0.001
0.0001
f = 1kHz
RTO
R
L = 600
R
L = 2k,
100k
HARMONIC DISTORTION PRODUCTS
vs FREQUENCY
Frequency (Hz)
Amplitude
(%
of
Fundamental)
20
100
1k
10k
20k
0.001
0.0001
0.00001
0.000001
V
O = 1Vrms
(
Noise Limited)
3rd Harmonic
2nd Harmonic
R
L = 600
R
L = 2k
R
L = 2k
R
L = 600
TOTAL HARMONIC DISTORTION+NOISE
vs FREQUENCY
Frequency (Hz)
THD+Noise
(%)
20
100
1k
10k
20k
0.1
0.010
0.001
0.0001
V
O = 5Vrms
R
L = 600
R
L = 100k
R
L = 2k