OPA2670IRGVR Datasheet, PDF (6/25 Pages) Texas Instruments – Single Port, High Output Current VDSL2 Line Driver with Power Control

OPA2670
SBOS434 – AUGUST 2010
www.ti.com
TYPICAL CHARACTERISTICS: Full Bias (continued)
At T_A = +25°C, I_Q = 30.5mA, Full Bias, and R_{L_Differential} = 100Ω, unless otherwise noted.
HARMONIC DISTORTION
HARMONIC DISTORTION
vs FREQUENCY
vs LOAD
−35
−35
Full Bias
Second-Order Harmonic Distortion
−45 ^{G = +5V/V}
Third-Order Harmonic Distortion
−45
R_L = 100Ω
−55 ^{VO = 2VPP}
−55
Second-Order Harmonic Distortion
Third-Order Harmonic Distortion
−65
−65
−75
−75
−85
−95
−105
0.5
1
−85
Full Bias
f = 5MHz
−95 _{G = +5V/V}
V_O = 2V_PP
−105
10
50
10
100
500
Frequency (MHz)
Load (Ω)
Figure 7.
Figure 8.
HARMONIC DISTORTION
vs OUTPUT VOLTAGE
−55
Full Bias
f = 5MHz
−65 ^{G = +5V/V}
R_L = 100Ω
−75
−85
−95
−105
1
Second-Order Harmonic Distortion
Third-Order Harmonic Distortion
10
Output Voltage (V_PP)
Figure 9.
−84
−86
−88
−90
−92
−94
−96
3
HARMONIC DISTORTION
vs SUPPLY VOLTAGE
Full Bias
f = 5MHz
G = +5V/V
R_L = 100Ω
V_O = 2V_PP
Second-Order Harmonic Distortion
Third-Order Harmonic Distortion
3.5
4
4.5
5
5.5
6
Supply Voltage (±V_S)
Figure 10.
HARMONIC DISTORTION
vs BIAS CURRENT
−70
−75
−80
TWO-TONE, THIRD-ORDER
INTERMODULATION INTERCEPT
50
Low Bias
Mid Bias
45
High Bias
40
−85
35
−90
−95
−100
High
Second-Order Harmonic Distortion
Third-Order Harmonic Distortion
Mid
Bias Current
Figure 11.
f = 5MHz
G = +5V/V
R_L = 100Ω
V_O = 2V_PP
Low
30
25
Measured at 50Ω matched load
20
0
10
20
30
40
50
Frequency (MHz)
Figure 12.
6
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