OPA2890 Datasheet, PDF (10/38 Pages) Texas Instruments – Low-Power, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable

OPA2890
SBOS364C – DECEMBER 2007 – REVISED DECEMBER 2009
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TYPICAL CHARACTERISTICS: V_S = ±5V (continued)
At T_A = +25°C, G = +2V/V, R_F = 750Ω, and R_L = 200Ω, unless otherwise noted. See Figure 49.
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
TYPICAL DC DRIFT OVER TEMPERATURE
44.0
2.36
150
0.2
Sinking Output Current
Input Offset Current (I_OS)
43.5
2.32
100
0
43.0
Sourcing Output Current
42.5
42.0
Quiescent Supply Current
41.5
41.0
40.5
40.0
-40 -20
0 20 40 60 80
Ambient Temperature (°C)
2.28
2.24
2.20
2.16
2.12
2.08
2.04
100 120
50
0
-50
-100
-150
-200
-40 -20
Input Bias Current (I_B)
-0.2
-0.4
-0.6
-0.8
Input Offset Voltage (V_OS)
0 20 40 60 80 100
Ambient Temperature (°C)
-1.0
-1.2
120
Figure 19.
Figure 20.
LARGE-SIGNAL DISABLE/ENABLE RESPONSE
6
4
2
0
-2
3
2
1
0
-1
Time (5ns/div)
Figure 21.
NONINVERTING OVERDRIVE RECOVERY
8
4
6
3
4
Output Voltage
2
Left Scale
0
-2
-4
2
1
0
Input Voltage
Right Scale
-1
-2
-6
-3
-8
-4
Time (10ns/div)
Figure 22.
CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY
100
1/2
10
374W ^OPA2890
Z_O
1
750W
750W
0.1
0.01
0.001
1k
10k
100k
1M
Frequency (Hz)
Figure 23.
10M
100M
80
70
60
50
40
30
20
10
0
-10
100
OPEN-LOOP GAIN AND PHASE
Open-Loop Gain
Open-Loop Phase
1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 24.
180
160
140
120
100
80
60
40
20
0
1G
10
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