THS6204 Datasheet, PDF (20/43 Pages) Texas Instruments – Dual-Port, Differential VDSL2 Line Driver Amplifiers

THS6204
SBOS416C – OCTOBER 2007 – REVISED APRIL 2009 ................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: V_S = ±6V, 75% Bias
At T_A = +25°C, G_DIFF = +5V/V, G_CM = 1V/V, R_ADJ = 0Ω, R_F = 1.82kΩ, and R_L = 100Ω, unless otherwise noted.
75% BIAS FREQUENCY RESPONSE
3
G_DIFF = 5V/V
0
R_F = 1.82kW
-3
-6
-9
-12
G_CM = 1V/V
-15 V_O = 2V_PP
R_L = 100W
-18
10
G_DIFF = 10V/V
R_F = 1.5kW
100
300
Frequency (MHz)
Figure 57.
DIFFERENTIAL SMALL-SIGNAL AND LARGE-SIGNAL
PULSE RESPONSE
6
1.2
4
0.8
2
0.4
0
Small-Signal ±500mV_P
Right Scale
-2
Large-Signal Pulse Response
-4
(±5V_P) Left Scale
-6
Time (10ns/div)
0
-0.4
-0.8
-1.2
Figure 59.
DIFFERENTIAL R_S vs CAPACITIVE LOAD
100
10
1
1
10
100
1000
Capacitive Load (pF)
Figure 61.
LARGE-SIGNAL FREQUENCY RESPONSE
3
V_O = 2V_PP
0
-3
V_O = 4V_PP
-6
V_O = 8V_PP
-9
-12
G_DIFF = 5V/V
-15 G_CM = 1V/V
R_L = 100W
-18
0 20 40 60
V_O = 20V_PP
80 100 120 140 160 180 200 220 240 260 280
Frequency (MHz)
Figure 58.
SUPPLY CURRENT FOR FULL BIAS SETTING vs R_ADJ
16
14
12
10
8
+I_Q
6
-I_Q
4
2
0
0
1
2
3
4
5
6
R_ADJ (kW)
Figure 60.
FREQUENCY RESPONSE vs CAPACITIVE LOAD
17
R_S Optimized for 100% Bias
22pF
14
R_S
11
THS6204
470pF
39pF
8
V_IN
5
2
10M
THS6204
C_L
1kW
V_OUT
Optional
R_S
Frequency (Hz)
Figure 62.
100pF
47pF
100M
200M
20
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