OPA445BM Datasheet, PDF (5/25 Pages) Texas Instruments – High Voltage FET-Input OPERATIONAL AMPLIFIER

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TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C and V_S = ±40V, unless otherwise noted.
POWER SUPPLY REJECTION
vs FREQUENCY
120
100
+PSRR
80
60
−PSRR
40
20
0
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
OPEN−LOOP GAIN
vs TEMPERATURE
120
110
100
90
−75 −50 −25 0 25 50 75
Ambient Temperature (_ C)
100 125
INPUT VOLTAGE
NOISE SPECTRAL DENSITY
100
10
1
10
100
1k
10k
100k
Frequency (Hz)
OPA445
SBOS156B − MARCH 1987 − REVISED APRIL 2008
100
90
80
70
60
50
40
10
COMMON−MODE REJECTION
vs FREQUENCY
100
1k
10k 100k
1M
10M
Frequency (Hz)
POWER SUPPLY REJECTION AND
COMMON−MODE REJECTION vs TEMPERATURE
130
120
110
PSRR
100
CMRR
90
80
70
−75 −50 −25 0 25 50 75 100 125
Ambient Temperature (_ C)
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
0.1
0.01
0.001
0.0001
V_O = 3.5Vrms
G = 10
V_O = 3.5Vrms ^{VO = 10Vrms}
G=1
V_O = 10Vrms
0.00001
20
100
1k
Frequency (Hz)
10k 20k
5