OPA2889 Datasheet, PDF (10/35 Pages) Burr-Brown (TI) – Dual, Low-Power, Wideband, Voltage Feedback OPERATIONAL AMPLIFIER with Disable

OPA2889
SBOS373 – JUNE 2007
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
60
1.00
55 _{Quiescent Current (IQ)}
0.95
50
0.90
45
0.85
Output Current, Sourcing
40
0.80
Output Current, Sinking
35
0.75
30
0.70
25
0.65
20
-50 -25
0
25
50
75
Ambient Temperature (°C)
0.60
100 125
Figure 19.
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 ^OPA2889
Z_O
750W
1
750W
0.1
0.01
0.001
1k
10k
100k
1M
10M
100M
Frequency (Hz)
Figure 23.
www.ti.com
TYPICAL DC DRIFT OVER TEMPERATURE
3.0
216
Input Bias Current (I_B)
2.5
180
2.0
144
Input Offset
1.5
Voltage (V_OS)
108
1.0
Input Offset Current (I_OS)
72
0.5
36
0
-50 -25
0
25
50
75
Ambient Temperature (°C)
Figure 20.
100 125
NONINVERTING OVERDRIVE RECOVERY
8
4
R_L = 100W
6
G = +2V/V 3
4
2
Output Voltage
Left Scale
0
-2
-4
2
1
0
Input Voltage
Right Scale
-1
-2
-6
-3
-8
-4
Time (10ns/div)
Figure 22.
OPEN-LOOP GAIN AND PHASE
120
0
Open-Loop Phase
100
-30
80
-60
Open-Loop Gain
60
-90
40
-120
20
-150
0
-180
-20
-210
100 1k 10k 100k 1M 10M 100M 1G
Frequency (Hz)
Figure 24.
10
Submit Documentation Feedback