OPA2846_14 Datasheet, PDF (5/30 Pages) Texas Instruments – Dual, Wideband, Low-Noise, Voltage-Feedback Operational Amplifier

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TYPICAL CHARACTERISTICS: V_S = ±5V
TA = 25°C, G = +10, RF = 453Ω, RG = 50Ω, and RL = 100Ω, unless otherwise noted.
OPA2846
SBOS274C −JUNE 2003 − REVISED AUGUST 2008
NONINVERTING SMALL−SIGNAL FREQUENCY RESPONSE
6
V_O = 0.2V_PP
3 R_G = 50Ω
G=7
0
−3
G = 10
−6
G = 50
−9
G = 20
−12
−15
See Figure 1
−18
1M
10M
100M
1G
Frequency (Hz)
INVERTING SMALL−SIGNAL FREQUENCY RESPONSE
3
G = −12
0
−3
V_O = 0.2V_PP
R_G = R_S = 50Ω
−6
G = −50 ^{G = −20}
−9
−12
−15
See Figure 2
−18
1M
10M
100M
1G
Frequency (Hz)
NONINVERTING LARGE−SIGNAL FREQUENCY RESPONSE
23
20
17 ^{RL = 100Ω}
G = +10V/V
V_O = 0.2V_PP
V_O = 1V_PP
14
11
8
5
See Figure 1
2
10M
V_O = 2V_PP
V_O = 5V_PP
100M
1G
Frequency (Hz)
INVERTING LARGE−SIGNAL FREQUENCY RESPONSE
29
26
23
R_L = 100Ω
20 R_G = R_S = 50Ω
G = −20V/V
17
V_O = 0.2V_PP
V_O = 1V_PP
14
11
8
See Figure 2
5
10M
V_O = 2V_PP
V_O = 5V_PP
100M
1G
Frequency (Hz)
NONINVERTING PULSE RESPONSE
2.0
0.5
1.6 ^{G = +10V/V}
Large Signal ±1V
0.4
1.2
Left Scale
0.3
0.8
0.2
0.4
0.1
Small Signal ±100mV
0
Right Scale
0
−0.4
−0.1
−0.8
−0.2
−1.2
−0.3
−1.6 _{See Figure 1}
−0.4
−2.0
−0.5
Time (5ns/div)
INVERTING PULSE RESPONSE
2.0
0.5
1.6 ^{G = −20V/V}
Large Signal ±1V
0.4
1.2
Left Scale
0.3
0.8
0.2
0.4
0.1
Small Signal ±100mV
0
Right Scale
0
−0.4
−0.1
−0.8
−0.2
−1.2
−0.3
−1.6
−0.4
−2.0
−0.5
Time (5ns/div)
5