OPA2674 Datasheet, PDF (15/30 Pages) Burr-Brown (TI) – Dual Wideband, High Output Current Operational Amplifier with Current Limit

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TYPICAL CHARACTERISTICS: V_S = +5V
At TA = +25°C, Differential Gain = +9, RF = 316Ω, and RL = 70Ω, unless otherwise noted.
OPA2674
SBOS270 − AUGUST 2003
DIFFERENTIAL PERFORMANCE
TEST CIRCUIT
+5V
R_F
316Ω
V_I
R_G
C_G
R_F
316Ω
R_L V_O
G_D=1+
2_×R_F
R_G
=
V_O
V_I
3
0
−3
−6
−9
−12
−15
0
DIFFERENTIAL SMALL−SIGNAL
FREQUENCY RESPONSE
R_L = 70Ω
G_D = +9
R_F = 316Ω
G_D = +5
R_F = 422Ω
G_D = +2
R_F = 511Ω
50
100
150
200
250
300
Frequency (MHz)
DIFFERENTIAL LARGE−SIGNAL
FREQUENCY RESPONSE
22
19
16
13
10
7
4
R_L = 70Ω
G_D = +9
1
0
50
1V_PP
2V_PP
4V_PP
5V_PP
100
150
200
250
300
Frequency (MHz)
HARMONIC DISTORTION vs LOAD RESISTANCE
−60
−65
2nd−Harmonic
−70
G_D = +9
R_L = 70Ω
f = 500kHz
V_O = 4V_PP
−75
−80
−85
3rd−Harmonic
−90
−95
−100
10
100
1k
Load Resistance (Ω)
DIFFERENTIAL DISTORTION vs FREQUENCY
−50
G_D = +9
R_L = 70Ω
−60
−70
2nd−Harmonic
−80
−90
3rd−Harmonic
−100
0.1
1
10
100
Frequency (MHz)
HARMONIC DISTORTION vs OUTPUT VOLTAGE
−60
G_D = +9
R_L = 70Ω
f = 500kHz
−70
2nd−Harmonic
−80
−90
−100
1
3rd−Harmonic
10
Output Voltage (V_PP)
15