THS6184_16 Datasheet, PDF (17/39 Pages) Texas Instruments – DUAL-PORT, LOW-POWER DIFFERENTIAL xDSL LINE DRIVER AMPLIFIERS

THS6184
www.ti.com ................................................................................................................................................. SLLS635D – AUGUST 2005 – REVISED JANUARY 2009
TYPICAL CHARACTERISTICS (continued)
OUTPUT IMPEDANCE
vs
FREQUENCY, G = 5
1000
100 _{G = +5,}
V_S = ±12 V
Shutdown Bias
10
Low Bias
Mid Bias
1
0.1
Full Bias
0.01
0.1
1
10
f - Frequency- MHz
Figure 40.
LARGE SIGNAL DIFFERENTIAL
OUTPUT RESPONSE, FULL BIAS
vs
FREQUENCY, G = 5, R_L = 50Ω
21
18
15 ^{VO = 8 VPP}
G = 5,
RF = 2 kW,
RG = 1 kW,
12
RL = 100 W,
9 ^VO ^{= 4 V}PP
VS = ±5 V
6
3 ^{VO = 2 VPP}
0
-3 ^VO ^{= 1 V}PP
-6
-9 ^{VO = 0.5 VPP}
-12
-15 ^VO ^{= 0.25 V}PP
-18
0.1
1
10
100 500
f - Frequency - MHz
Figure 42.
DIFFERENTIAL HARMONIC DISTORTION
vs
FREQUENCY, G = 5, R_L = 50Ω
−40
G = 5,
Low, HD3
R_F = 3 kΩ,
−50 RG = 1.5 kΩ,
Mid, HD3
V_O = 2 V_PP,
−60
R_L = 50 Ω,
V_S = ±5 V
Full,
HD3
Low, HD2
−70
−80
−90
−100
0.1
Full, HD2
Mid, HD2
1
10
f − Frequency − MHz
Figure 44.
LARGE SIGNAL SINGLE-ENDED
OUTPUT RESPONSE, FULL BIAS
vs
FREQUENCY, G = 5, R_L = 50Ω
15
G = 5,
12
V_O = 4 V_PP
9
RF = 2 kW,
RG = 499 W,
RL = 50 W,
6
V_O = 2 V_PP
3
VS = ±5 V
0
-3
V_O = 1 V_PP
-6
-9
V_O = 0.5 V_PP
-12
-15
V_O = 0.25 V_PP
-18
0.1
1
10
100 500
f - Frequency - MHz
Figure 41.
DIFFERENTIAL HARMONIC DISTORTION
vs
FREQUENCY, G = 5, R_L = 100Ω
−40
G = 5,
R_F = 3 kΩ,
−50
R_G = 1.5 kΩ,
V_O = 2 V_PP,
R_L = 100 Ω,
−60 ^{VS = ±5 V}
Low, HD3
Mid, HD3
Full, HD3
−70
Low, HD2
−80
−90
−100
0.1
Full, HD2
Mid, HD2
1
10
f − Frequency − MHz
Figure 43.
DIFFERENTIAL HARMONIC DISTORTION
vs
FREQUENCY, G = 10, R_L = 100Ω
−40
G = 10,
Low, HD3
R_F = 3 kΩ,
−50
R_G = 665 Ω,
V_O = 2 V_PP,
R_L = 100 Ω,
−60 ^{VS = ±5 V}
Mid, HD3
Full, HD3
−70
Low, HD2
−80
−90
−100
0.1
Mid, HD2
Full, HD2
1
10
f − Frequency − MHz
Figure 45.
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