OPA2677IDDA Datasheet, PDF (13/38 Pages) Texas Instruments – Dual, Wideband, High Output Current Operational Amplifier

TYPICAL CHARACTERISTICS: V_S = +5V (Cont.)
At T_A = +25°C, Differential Gain = +9, R_F = 316Ω, and R_L = 70Ω, unless otherwise noted.
DIFFERENTIAL PERFORMANCE
TEST CIRCUIT
1/2
OPA2677
R_F
300Ω
VI
RG
R_F
CG _300Ω
RL VO
1/2
OPA2677
GD = 1 +
2 • RF
RG
= ^VO
V_I
DIFFERENTIAL SMALL-SIGNAL
FREQUENCY RESPONSE
3
G_D = +2
R_F = 511Ω
0
R_L = 70Ω
–3
G_D = +5
R_F = 422Ω
G_D = +9
R_F = 316Ω
–6
–9
–12
10
100
200
Frequency (MHz)
DIFFERENTIAL LARGE-SIGNAL
FREQUENCY RESPONSE
20
19
R_L = 70Ω
18 ^{GD = +9}
0.2V_PP
1V_PP
2V_PP
17
5V_PP
16
15
14
10
100
Frequency (MHz)
HARMONIC DISTORTION vs LOAD RESISTANCE
–65
G_D = +9
f = 5MHz
–70
V_O = 2V_PP
3rd-Harmonic
–75
–80
2nd-Harmonic
–85
–90
–95
10
100
1k
Load Resistance (Ω)
HARMONIC DISTORTION vs FREQUENCY
–60
G_D = +9
R_L = 70Ω
–65 V_O = 2V_PP
2nd-Harmonic
–70
–75
–80
–85
0.1
3rd-Harmonic
1
10
100
Frequency (MHz)
HARMONIC DISTORTION vs OUTPUT VOLTAGE
–65
f = 5MHz
G = +9
–70 ^{RL = 70Ω}
3rd-Harmonic
2nd-Harmonic
–75
–80
–85
0.1
1
10
Differential Output Voltage (V_PP)
OPA2677
13
SBOS126I
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