THS6226 Datasheet, PDF (8/20 Pages) Texas Instruments – Gated-Class H, Dual-Port VDSL2 Line Driver

THS6226
SBOS499B – JANUARY 2011 – REVISED FEBRUARY 2011
www.ti.com
TYPICAL CHARACTERISTICS: V_S = +12V (continued)
At T_A = +25°C and Full Bias Mode, unless otherwise noted
INPUT NOISE DENSITY
HARMONIC DISTORTION vs FREQUENCY
100
−50
−55
V_O = 2V_PP
R_L = 100Ω
−60 ^{1:1.4 Transformer}
−65
−70
10
−75
−80
−85
1
100
1k
10k
100k
1M
Frequency (Hz)
−90
−95
−100
0.5
1
Frequency (MHz)
2nd Harmonic
3rd Harmonic
10
30
Figure 8.
Figure 9.
HARMONIC DISTORTION vs LOAD
−60
V_O = 2V_PP
1:1.4 Transformer
−65
f = 5MHz
−70
−75
−80
−85
50
2nd Harmonic
3rd Harmonic
60 70 80 90 100 110 120 130 140 150
Load (Ω)
Figure 10.
TWO-TONE, THIRD-ORDER
INTERMODULATION SPURIOUS
60
2V_PP Envelope
65 _{RL = 100W}
70 ^{1:1.4 Transformer}
75
80
85
90
95
100
105
0
5
10
15
20
25
30
Frequency (Hz)
Figure 11.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
30
f = 5MHz
35 _{RL = 100W}
40 1:1.4 Transformer
45
50
55
60
65
70
75
2nd Harmonic
3rd Harmonic
80
0 2 4 6 8 10 12 14 16 18 20
Output Voltage (V_PP)
Figure 12.
HARMONIC DISTORTION vs BIAS CURRENT
−40
f = 5MHz
−45
V_O = 2V_PP
R_L = 100Ω
−50
1:1.4 Transformer
−55
−60
−65
−70
−75
2nd Harmonic
3rd Harmonic
−80
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Bias Current Mode
Figure 13.
8
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