ISL55211 Datasheet, PDF (9/20 Pages) Intersil Corporation – Wideband, Low Noise, Low Distortion, Fixed Gain, Differential Amplifier

ISL55211
Typical Performance Curves V_s+ = 3.3V, T_A ≈ +25°C, unless otherwise noted. (Continued)
0.15
TEST CIRCUIT #1 WITH ADT2-1T
100MHz SQUARE WAVE INPUT
0.10
OUTPUT
1.5
TEST CIRCUIT #1 WITH ADT2-1T
100MHz SQUARE WAVE INPUT
1.0
OUTPUT
0.05
INPUT
0.5
INPUT
0
0
-0.05
-0.5
-0.10
-1
-0.15
0 2 4 6 8 10 12 14 16 18 20
TIMEBASE (ns)
FIGURE 21. SMALL SIGNAL STEP RESPONSE
-1.5
0
2 4 6 8 10 12 14 16 18 20
TIMEBASE (ns)
FIGURE 22. LARGE SIGNAL RESPONSE
110000MMHHzz OOUUTTPPUUTT
EENNAABBLLEEDD
PD
DDIISSAABBLLEEDD
22µµss//DDIIVV
TEST CIRCUIT 1
FIGURE 23. ENABLE/DISABLE TIMES (2µs/DIV)
-14.4
-14.6
-14.8
2V_P-P
-15.0
-15.2
-15.4
100mV_P-P
-15.6
-15.8 TEST CIRCUIT 1 WITH ADT2-1T INPUT
OUTPUT V_P-P RELATIVE TO INPUT V_P-P
-16.0
1M
10M
FREQUENCY (Hz)
FIGURE 24. SHUTDOWN FEED-THROUGH
100M
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 25. 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 26. PSRR/CMRR TO DIFFERENTIAL V_O
1000
9
FN7868.0
June 21, 2011