OPA2890_08 Datasheet, PDF (10/35 Pages) Texas Instruments – Low-Power, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable

OPA2890
SBOS364B – DECEMBER 2007 – REVISED MAY 2008.................................................................................................................................................... www.ti.com
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
44.0
2.36
Sinking Output Current
43.5
2.32
43.0
2.28
Sourcing Output Current
42.5
2.24
42.0
2.20
Quiescent Supply Current
41.5
2.16
41.0
2.12
40.5
2.08
40.0
-40 -20
0 20 40 60 80
Ambient Temperature (°C)
Figure 19.
2.04
100 120
LARGE-SIGNAL DISABLE/ENABLE RESPONSE
6
4
2
0
-2
3
2
1
0
-1
Time (5ns/div)
Figure 21.
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
10M
100M
Frequency (Hz)
Figure 23.
TYPICAL DC DRIFT OVER TEMPERATURE
150
0.2
Input Offset Current (I_OS)
100
0
50
Input Bias Current (I_B)
-0.2
0
-0.4
-50
-0.6
-100
-0.8
-150
-200
-40 -20
Input Offset Voltage (V_OS)
0 20 40 60 80 100
Ambient Temperature (°C)
Figure 20.
-1.0
-1.2
120
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.
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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