ISL1591 Datasheet, PDF (10/18 Pages) Intersil Corporation – Fixed Gain, Dual Port, VDSL2 Line Driver

ISL1591
Typical Performance Curves V_CC = +24V, R_b = 8.25Ω, GND at the Load = 11.6V/V (differential),
R_LOAD = 82.5Ω, T_A +25°C, C0 = 3.3V, C1 = 0V (85%power) unless otherwise noted.
6
30
24V
27
C_L = 47pF
C_L = 22pF
3
24
20V
C_L = 1pF
C_L = 5pF
0
21
12V
14V
18
-3
10V
15
-6
100k
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 27. SMALL SIGNAL BW vs SUPPLY VOLTAGE
12
100k
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 28. SMALL SIGNAL FREQUENCY RESPONSE vs C_LOAD
(AFTER RB)
6
R_b = 8.25Ω with R_LOAD = 82.5Ω
R_b = 5.1Ω with R_LOAD = 51Ω
3
82.5Ω R_LOAD
0
51Ω R_LOAD
-3
-6
100k
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 29. SMALL SIGNAL FREQUENCY RESPONSE vs R_LOAD
10
0
14.5dBm, PAR = 6.08
FULL POWER MODE
-10
Avg US1 MTBR = -64dBc
-20
-30
-40
-50
-60
-70
-80
-9037M _{39M 41M 43M 45M 47M 49M 51M}
FREQUENCY (Hz)
FIGURE 30. VDSL2 30a PROFILE MTBR US1
10
0
14.5dBm, PAR = 6.08
FULL POWER MODE
-10
Avg US2 MTBR = -62dBc
-20
-30
-40
-50
-60
-70
-80
-90 _83M
93M
103M 113M 123M 133M
FREQUENCY (Hz)
FIGURE 31. VDSL2 30a PROFILE MTBR US2
10
0
14.5dBm, PAR = 6.08
FULL POWER MODE
-10
Avg US3 MTBR = -60dBc
-20
-30
-40
-50
-60
-70
-80
-90
21M
22M
23M
24M
25M
FREQUENCY (Hz)
FIGURE 32. VDSL2 30a PROFILE MTBR US3
10
FN7625.1
October 31, 2012