OPA4820ID Datasheet, PDF (12/34 Pages) Texas Instruments – Quad, Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier

OPA4820
SBOS317D − SEPTEMBER 2004 − REVISED AUGUST 2008
TYPICAL CHARACTERISTICS: V_S = +5V (continued)
RF = 402Ω, RL = 100Ω to VS/2, and G = +2, unless otherwise noted.
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RECOMMENDED R_S vs CAPACITIVE LOAD
100
0.1dB Peaking Targeted
10
1
1
10
100
1000
Capacitive Load (pF)
8
7
6
5
4
3
2
1
VI
0
−1
−2
−3
1
FREQUENCY RESPONSE vs CAPACITIVE LOAD
C_L = 10pF
C_L = 22pF
C_L = 47pF
C_L = 100pF
+5V
0.01µF
57.6Ω
806Ω
806Ω OPA820
402Ω
RS
VO
CL 1kΩ(1)
402Ω
0.01µF
NOTE: (1) 1kΩ is optional.
10
100
Frequency (MHz)
300
TYPICAL DC DRIFT OVER TEMPERATURE
1.5
15
1.0
10
0.5
10x Input Offset Current (I_OS)
Right Scale
5
0
Input Offset Voltage (V_OS)
0
Left Scale
−0.5
−5
−1.0
−1.5
−50 −25
Input Bias Current (I_B)
Right Scale
0
25 50 75 100
Ambient Temperature (_C)
−10
−15
125
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
90
23
85
22
Total Supply Current
Right Scale
80
21
75
20
70
Sinking Output Current
19
Left Scale
65
60
−50 −25
Sourcing Output Current 18
Left Scale
17
0
25
50
75 100 125
Ambient Temperature (_ C)
12