ISL1591_14 Datasheet, PDF (6/18 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 = 0V (full power) unless otherwise noted.
30
27
27
24
Rb = 6.2Ω _{Rb = 8.25Ω}
24
1V_P-P
21
18
Rb = 15Ω
15
12
9
21
2V_P-P
18
10V_P-P
5V_P-P
15
20V_P-P
6
100k
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 4. SMALL SIGNAL FREQUENCY RESPONSE vs GAIN AT
THE LOAD
12
100k
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 5. LARGE SIGNAL FREQUENCY RESPONSE
-30
-40
-50
-60
3rd HD dBc
-70
THD dBc
-80
-90
2nd HD dBc
-100
0
5
10
15
20
25
30
35
OUTPUT AMPLITUDE AT LOAD (V_P-P(-d))
FIGURE 6. 1MHz HARMONIC DISTORTION vs OUTPUT AMPLITUDE
-30
-40
-50
-60
THD dBc
-70
-80
2nd HD dBc
-90
3rd HD dBc
-100
0
5
10
15
20
25
30
35
VO_P-P(-d) AT THE LOAD
FIGURE 7. 4MHz HARMONIC DISTORTION vs OUTPUT AMPLITUDE
-30
-40
-50
THD dBc
-60
-70
-80
2nd HD dBc
-90
3rd HD dBc
-100
0
5
10
15
20
25
30
35
OUTPUT AMPLITUDE AT LOAD (VO_P-P(-d))
FIGURE 8. 8MHz HARMONIC DISTORTION vs OUTPUT AMPLITUDE
-30
-40 ^5VOP-P
-50
-60
THD dBc
3rd HD dBc
-70
2nd HD dBc
-80
-90
-100
0 2M 4M 6M 8M 10M 12M 14M 16M 18M 20M
FREQUENCY (Hz)
FIGURE 9. HARMONIC DISTORTION vs FREQUENCY
6
FN7625.1
October 31, 2012