OPA2674 Datasheet, PDF (12/33 Pages) Burr-Brown (TI) – Dual Wideband, High Output Current Operational Amplifier with Current Limit

OPA2674
SBOS270A − AUGUST 2003 − REVISED MAY 2006
www.ti.com
TYPICAL CHARACTERISTICS: V_S = ±6V
At TA = +25°C, Differential Gain = +9, RF = 300Ω, and RL = 70Ω, unless otherwise noted. See Figure 5 for AC performance only.
DIFFERENTIAL SMALL−SIGNAL
FREQUENCY RESPONSE
3
0
R_L = 70Ω
G_D = +2,
V_O = 1V_PP
R_F = 442Ω
−3
G_D = +5,
−6
R_F = 383Ω
−9
G_D = +9,
−12
R_F = 300Ω
See Figure 5
−15
0
50
100
150
200
250
300
Frequency (MHz)
DIFFERENTIAL DISTORTION vs LOAD RESISTANCE
−60
−65
f = 500kHz
G = +9
−70
R_L = 70Ω
−75
V_O = 4V_PP
−80
2nd−Harmonic
−85
−90
−95
−100
3rd−Harmonic
−105
See Figure 5
−110
10
100
1k
Load Resistance (Ω)
DIFFERENTIAL DISTORTION vs OUTPUT VOLTAGE
−60
f = 500kHz
G = +9
−70 _{RL = 70Ω}
2nd−Harmonic
−80
−90
−100
3rd−Harmonic
See Figure 5
−110
0.1
1
10 20
Differential Output Voltage (V_PP)
DIFFERENTIAL LARGE−SIGNAL
FREQUENCY RESPONSE
22
19
1V_PP
R_L = 70Ω
G_D = +9
16
4V_{PP 8VPP}
13
16V_PP
10
7
4
See Figure 5
1
0
50
100
150
200
250
300
Frequency (MHz)
DIFFERENTIAL DISTORTION vs FREQUENCY
−50
G = +9
−65
R_L = 70Ω
−70
2nd−Harmonic
−80
−90
−100
3rd−Harmonic
See Figure 5
−110
0.1
1
10
100
Frequency (MHz)
ADSL MULTITONE POWER RATIO
(Upstream)
0
−10
V_S = ±6V
−20
−30
−40
−50
−60
−70
−80
−90
See Figure 5
−100
0 20 40 60 80 100 120 140 160
Frequency (kHz)
12