ISL59444 Datasheet, PDF (5/11 Pages) Intersil Corporation – 1GHz, 4 x 1 Multiplexing Amplifier with Synchronous Controls

ISL59444
Typical Performance Curves V_S = ±5V, R_L = 500Ω to GND, T_A = 25°C, unless otherwise specified. (Continued)
0.2
0.1
0
-0.1
C_L = 11.6pF
-0.2
-0.3
C_L = 16.6pF
-0.4
-0.5 ^VOUT ^{= 2V}P-P
C_L = 23.6pF
R_S = 25Ω
-0.6
-0.7 ^{CL INCLUDES 1.6pF}
C_L = 28.6pF
BOARD CAPACITANCE
-0.8
0.001
0.01
0.1
1 1.5
FREQUENCY (MHz)
FIGURE 7. LARGE SIGNAL 0.1dB GAIN vs FREQUENCY vs C_L
5
4 ^VOUT ^{= 2V}P-P
C_L = 23.6pF
3 _{RS = 25Ω}
2
1
R_L = 500Ω
R_L = 150Ω
R_L = 1kΩ
0
R_L = 75Ω
-1
-2
-3
-4
-5
0.001
0.01
0.1
FREQUENCY (MHz)
1 1.5
FIGURE 8. LARGE SIGNAL 0.1dB GAIN vs FREQUENCY vs R_L
20
10 ^{VIN = 200mVP-P}
C_L = 23.6pF
0 _{RS = 25Ω}
-10
-20
-30
-40
-50
-60
-70
-80
0.3
1
PSRR (V+)
PSRR (V-)
10
100
FREQUENCY (MHz)
FIGURE 9. PSRR CHANNELS
1000
-10
V_IN = 1V_P-P
-20 _{CL = 23.6pF}
-30 ^RS ^{= 25Ω}
-40
-50
-60
CROSSTALK
-70
-80
-90
-100
OFF ISOLATION
-110
0.001
0.01
0.1
1 3 6 10
100 500
FREQUENCY (MHz)
FIGURE 10. CROSSTALK AND OFF ISOLATION
100
V_OUT = 100mV_P-P
10
1
0.1
0.1
1
10
100
FREQUENCY (MHz)
FIGURE 11. R_OUT vs FREQUENCY
1000
60
R_F = 500Ω
50
40
30
20
10
0
0.1
1
10
100
FREQUENCY (kHz)
FIGURE 12. INPUT NOISE vs FREQUENCY
5
FN7451.1
September 21, 2005