THS6204 Datasheet, PDF (10/43 Pages) Texas Instruments – Dual-Port, Differential VDSL2 Line Driver Amplifiers

THS6204
SBOS416C – OCTOBER 2007 – REVISED APRIL 2009 ................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: V_S = ±12V, Full Bias
At T_A = +25°C, G_DIFF = +10V/V, G_CM = 1V/V, R_ADJ = 0Ω, R_F = 1.24kΩ, and R_L = 100Ω, unless otherwise noted.
SMALL-SIGNAL FREQUENCY RESPONSE
3
0
G_DIFF = 5V/V
R_F = 1.5kW
-3
-6
G_DIFF = 10V/V
-9
R_F = 1.24kW
-12 G_CM = 1V/V
V_O = 2V_PP
-15 _{RADJ = 0W}
R_L = 100W
-18
10
100
400
Frequency (MHz)
Figure 2.
LARGE SIGNAL FREQUENCY RESPONSE
3
V_O = 4V_PP
0
V_O = 2V_PP
-3
-6
-9
V_O = 20V_PP
-12 ^GDIFF ^{= 10V/V}
G_CM = 1V/V
-15 R_ADJ = 0W
V_O = 8V_PP
R_L = 100W
-18
0
60
120
180
240
300
Frequency (MHz)
Figure 4.
RECOMMENDED R_S vs CAPACITIVE LOAD
100
10
1
1
10
100
1000
Capacitive Load (pF)
Figure 6.
SMALL-SIGNAL FREQUENCY RESPONSE
vs BIAS MODE
3
0
Full Bias
-3
-6
-9
G_DIFF = 10V/V
-12 ^GCM ^{= 1V/V}
V_O = 2V_PP
-15 R_ADJ = 0W
R_L = 100W
-18
10
75% Bias
50% Bias
100
300
Frequency (MHz)
Figure 3.
SMALL-SIGNAL AND LARGE-SIGNAL
PULSE RESPONSE
12
1.2
G_DIFF = 10V/V
8
G_CM = 1V/V _0.8
Large-Signal Pulse Response
R_L = 100W
(±10V_P) Left Scale
R_F = 1.2kW
4
0.4
Small-Signal ±500mV_P
Right Scale
0
0
-4
-0.4
-8
-0.8
-12
-1.2
Time (10ns/div)
Figure 5.
FREQUENCY RESPONSE vs CAPACITIVE LOAD
23
R_S Optimized for 100% Bias
22pF
20
470pF
17
100pF
14
R_S
THS6204
11
39pF
47pF
8
V_IN
C_L
1kW
V_OUT
Optional
5
R_S
THS6204
2
10M
100M
Frequency (Hz)
Figure 7.
300M
10
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