Datasheet

4
®
INA137, INA2137
TYPICAL PERFORMANCE CURVES
At T
A
= +25°C, V
S
= ±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 (µVrms)
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
= 2kΩ, 600Ω
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
= 600Ω
R
L
= 2kΩ,
100kΩ
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
= 600Ω
R
L
= 2kΩ
R
L
= 2kΩ
R
L
= 600Ω
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
= 600Ω
R
L
= 100kΩ
R
L
= 2kΩ