OPA378_15 Datasheet, PDF (7/29 Pages) Texas Instruments – Low-Noise, 900kHz, RRIO,Precision OPERATIONAL AMPLIFIER Zerø-Drift Series

OPA378
OPA2378
www.ti.com
SBOS417D – JANUARY 2008 – REVISED OCTOBER 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.
INPUT BIAS CURRENT
vs INPUT COMMON-MODE VOLTAGE
400
2000
INPUT BIAS CURRENT
vs TEMPERATURE
300
-I_B
200
100
0
-100
-200
+I_B
-300
-400
-0.5 0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Input Common-Mode Voltage (V)
Figure 11.
1500
1000
500
0
-500
-1000
-1500
-2000
-75 -50 -25
0 25 50 75 100 125 150
Temperature (°C)
Figure 12.
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.
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.
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