OPA4820 Datasheet, PDF (5/35 Pages) Texas Instruments – Quad, Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier

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TYPICAL CHARACTERISTICS: V_S = ±5V
RF = 402Ω, RL = 100Ω, and G = +2, unless otherwise noted.
NONINVERTING SMALL−SIGNAL FREQUENCY RESPONSE
3
G = +1, R_F = 25Ω
0
−3
G = +5
G = +2
−6
G = +10
−9
−12
−15
V_O = 0.1V_PP
RL = 100Ω
See Figure 1
−18
1M
10M
100M
1G
Frequency (Hz)
NONINVERTING LARGE−SIGNAL FREQUENCY RESPONSE
9
V_O = 0.5V_PP
6
3
V_O = 1V_PP
0
V_O = 2V_PP
−3
V_O = 4V_PP
−6
G = +2V/V
−9 _{RL = 100Ω}
See Figure 1
−12
1
10
100
500
Frequency (MHz)
NONINVERTING PULSE RESPONSE
0.4
2.0
G = +2V/V
0.3 See Figure 1 Large−Signal ± 1V
1.5
Right Scale
0.2
1.0
0.1
0.5
Small−Signal ± 100mV
0
Left Scale
0
−0.1
−0.5
−0.2
−1.0
−0.3
−1.5
−0.4
−2.0
Time (10ns/div)
OPA4820
SBOS317D − SEPTEMBER 2004 − REVISED AUGUST 2008
INVERTING SMALL−SIGNAL FREQUENCY RESPONSE
3
G = −1
0
−3
G = −5
G = −2
−6
G = −10
−9
−12
−15
V_O = 0.1V_PP
RL = 100Ω
See Figure 2
−18
1
10
100
500
Frequency (MHz)
INVERTING LARGE−SIGNAL FREQUENCY RESPONSE
3
V_O = 0.5V_PP
0
V_O = 1V_PP
−3
V_O = 2V_PP
−6
V_O = 4V_PP
−9
−12
G = −1V/V
−15 _{RL = 100Ω}
See Figure 2
−18
1
10
100
500
Frequency (MHz)
INVERTING PULSE RESPONSE
0.4
2.0
G = −1V/V
0.3 See Figure 2
1.5
0.2
1.0
0.1
0.5
0
Small−Signal ± 100mV
0
Left Scale
−0.1
−0.5
−0.2
−1.0
Large−Signal ± 1V
−0.3
Right Scale
−1.5
−0.4
−2.0
Time (10ns/div)
5