OPA379AIDBV Datasheet, PDF (6/29 Pages) Texas Instruments – 1.8V, 2.9mA, 90kHz, Rail-to-Rail I/O RATIONAL AMPLIFIERS

OPA379
OPA2379
OPA4379
SBOS347D – NOVEMBER 2005 – REVISED MAY 2008 ................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS
At T_A = +25°C, V_S = 5V, and R_L = 25kΩ connected to V_S/2, unless otherwise noted.
OPEN-LOOP GAIN AND PHASE
vs FREQUENCY
120
0
COMMON-MODE AND
POWER-SUPPLY REJECTION RATIO
vs FREQUENCY
120
100
-30
100
-PSRR
80
-60
80
+PSRR
60
-90
60
40
-120
40
CMRR
20
-150
20
0
0.1
1
10
100
1k
Frequency (Hz)
Figure 2.
-180
10k 100k
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1k
MAXIMUM OUTPUT VOLTAGE
vs FREQUENCY
10k
Frequency (Hz)
Figure 4.
100k
OUTPUT VOLTAGE
vs OUTPUT CURRENT
2.5
2.0
1.5
1.0 ^{VS = ±2.5V}
0.5
+125°C
+85°C
+25°C
0
-0.5
-1.0
-1.5
-2.0
-2.5
012345678
I_OUT (mA)
Figure 6.
-40°C
9 10
0
0.1
3.5
1
10
100
1k
10k 100k
Frequency (Hz)
Figure 3.
QUIESCENT CURRENT
vs SUPPLY VOLTAGE
3.0
2.5
2.0
1.5
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply Voltage (V)
Figure 5.
SHORT-CIRCUIT CURRENT
vs SUPPLY VOLTAGE
25
+I_SC
20
-I_SC
15
10
5
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply Voltage (V)
Figure 7.
6
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