ISL1591 Datasheet, PDF (9/18 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 = C1, C0 = 0V (Full power) unless otherwise noted.
6
30
C_L = 22pF
24V
27
3
C_L = 1pF
24
20V
C_L = 5pF
0
21
12V
14V
18
-3
10V
15
-6100k
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 22. SMALL SIGNAL BW vs SUPPLY VOLTAGE
12 _100k
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 23. 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
-9
100k
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 24. SMALL SIGNAL FREQUENCY RESPONSE vs R_LOAD
900
ALL POWER MODES
800
700
600
500
400
300
200
100
0
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 25. OUTPUT VOLTAGE NOISE
100M
10
PAR = 6.33
0
14.5dBm, R_L = 51Ω, V_S = +14V
-10
AVG. US2 MTBR = -63dBc
-20
-30
-40
-50
-60
-70
-808.4M _{8.9M 9.4M 9.9M 10.4M 10.9M 11.4M 11.9M}
FREQUENCY (Hz)
FIGURE 26. VDSL2 17a PROFILE MTBR US2
9
FN7625.1
October 31, 2012