OPA378_1 Datasheet, PDF (7/24 Pages) Texas Instruments – Low-Noise, 900kHz, RRIO, Precision OPERATIONAL AMPLIFIER Zerø-Drift Series

OPA378
OPA2378
www.ti.com ..................................................................................................................................................... SBOS417C – JANUARY 2008 – REVISED JUNE 2009
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, R_L = 10kΩ, V_S = +5.5V and V_OUT = V_S/2, unless otherwise noted.
QUIESCENT CURRENT
vs SUPPLY VOLTAGE
200
QUIESCENT CURRENT
vs TEMPERATURE
200
175
175
150
150
125
125
100
100
75
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_S (V)
Figure 13.
OUTPUT VOLTAGE SWING
vs OUTPUT CURRENT
3
V+ = +2.75
2
1
+125°C +25°C -40°C
0 V_S = ±1.1
+125°C
+25°C
-40°C
-1
-2
V- = -2.75
+125°C +25°C -40°C
-3
0 2 4 6 8 10 12 14 16 18 20
Output Current (mA)
Figure 15.
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
1
0.1
0.01
0.001
0.0001
10
100
1k
10k
Frequency (Hz)
Figure 17.
75
-75 -50 -25
0 25 50 75
Temperature (°C)
Figure 14.
100 125 150
MAXIMUM OUTPUT VOLTAGE
vs FREQUENCY
6
5
V_S = 5.5V
4
3
2
V_S = 2.2V
1
0
1k
10k
100k
1M
10M
Frequency (Hz)
Figure 16.
SMALL-SIGNAL OVERSHOOT
vs LOAD CAPACITANCE
60
50
40
30
Gain = ±1V/V
R = 10kW
20
10 ^{Gain = -1V/V}
R = 5kW
0
1
10
100
1k
Load Capacitance (pF)
Figure 18.
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