ISL55210_14 Datasheet, PDF (9/18 Pages) Intersil Corporation – Wideband, Low-Power, Ultra-High Dynamic Range Differential Amplifier

ISL55210
Typical Performance Curves V_S+ = 3.3V, T_A ≈ +25°C, unless otherwise noted. (Continued)
0.15
OUTPUT
0.10
1.5
1.0
OUTPUT
0.05
INPUT
0
0.5
INPUT
0
-0.05
-0.5
-0.10
TEST CIRCUIT #1, 50MHz SQUARE WAVE INPUT
-0.15
0
10
20
30
40
TIMEBASE (ns)
FIGURE 20. SMALL SIGNAL STEP RESPONSE
-1.0
TEST CIRCUIT #1, 50MHz SQUARE WAVE INPUT
50
-1.5
0
5 10 15 20 25 30 35 40 45 50
TIME (ns)
FIGURE 21. LARGE SIGNAL STEP RESPONSE
100MHz OUTPUT
ENABLED
PD
DISABLED
2µs/DIV
TEST CIRCUIT #1
FIGURE 22. ENABLE/DISABLE TIMES
0
TEST CIRCUIT #1
-2
-4
100mV_P-P INPUT
-6
-8
-10
-12
-14
2V_P-P INPUT
-16
1
10
100
FREQUENCY (MHz)
FIGURE 23. DISABLED FEEDTHROUGH
2.5
OUTPUT
2.0
1.5
1.0
INPUT
0.5
0
-0.5
-1.0
-1.5
-2.0
TEST CIRCUIT #1
-2.5
0 20 40 60
80 100 120 140 160 180 200
TIME (ns)
FIGURE 24. OVERDRIVE RECOVERY
95
PSRR TO V_O (DIFFERENTIAL)
85
75
CMRR TO V_O (DIFFERENTIAL)
65
55
45
TEST CIRCUIT #1 SIMULATED,
EXACT EXTERNAL R’s
35
1
10
100
FREQUENCY (MHz)
FIGURE 25. PSRR/CMRR TO DIFFERENTIAL V_O
1000
9
FN7811.2
June 6, 2013