ISL59440 Datasheet, PDF (4/12 Pages) Intersil Corporation – 400MHz Multiplexing Amplifier

ISL59440
Typical Performance Curves V_S = ±5V, R_L = 500Ω to GND, T_A = 25°C, unless otherwise specified.
5
4
A_V = 1
V_OUT = 200mV_P-P
3 ^{RF = 332Ω}
C_L = 9.7pF
C_L = 7.2pF
2
C_L = 5.5pF
1
0
C_L = 1.6pF
-1
-2
-3
-4 ^{CL INCLUDES 1.6pF}
BOARD CAPACITANCE
-5
1
10
100
FREQUENCY (MHz)
1000
FIGURE 1. SMALL SIGNAL GAIN vs FREQUENCY vs C_L
5
4
A_V = 1
V_OUT = 200mV_P-P
3 C_L=1.6pF
2 ^{RF = 332Ω}
1
R_L = 500Ω
R_L = 1kΩ
0
-1
R_L = 150Ω
-2
R_L = 75Ω
-3
-4
-5
1
10
100
1000
FREQUENCY (MHz)
FIGURE 2. SMALL SIGNAL GAIN vs FREQUENCY vs R_L
5
A_V = 2
4 V_OUT = 2V_P-P
3 ^{RG = RF = 511Ω}
2
1
0
C_L = 9.7pF
-1
C_L = 7.2pF
-2
C_L = 5.5pF
-3
-4 ^{CL INCLUDES 1.6pF}
BOARD CAPACITANCE
C_L = 1.6pF
-5
1
10
100
FREQUENCY (MHz)
1000
FIGURE 3. LARGE SIGNAL GAIN vs FREQUENCY vs C_L
5
4
A_V = 2
V_OUT = 2V_P-P
3 C_L = 5.5pF
2 ^{RG = RF = 511Ω}
1
R_L = 75Ω
0
-1
-2
R_L = 1kΩ
-3
R_L = 150Ω
-4
R_L = 75Ω
R_L = 500Ω
-5
1
10
100
1000
FREQUENCY (MHz)
FIGURE 4. LARGE SIGNAL GAIN vs FREQUENCY vs R_L
0.8
0.7
A_V = 1
V_OUT = 200mV_P-P
0.6 ^{RF = 332Ω}
C_L = 9.7pF
C_L = 7.2pF
0.5
C_L = 5.5pF
C_L = 1.6pF
0.4
0.3
0.2
0.1
0
-0.1
-0.2
1
C_L INCLUDES 1.6pF
BOARD CAPACITANCE
10
100
FREQUENCY (MHz)
1000
FIGURE 5. SMALL SIGNAL 0.1dB GAIN vs FREQUENCY vs C_L
0.8
0.7 ^{AV = 1}
V_OUT = 200mV_P-P
R_L = 75Ω
0.6 C_L = 1.6pF
0.5 ^{RF = 332Ω}
R_L = 150Ω
0.4
R_L = 1kΩ
R_L = 500Ω
0.3
0.2
0.1
0
-0.1
-0.2
1
10
100
1000
FREQUENCY (MHz)
FIGURE 6. SMALL SIGNAL 0.1dB GAIN vs FREQUENCY vs R_L
4
FN6162.1
September 21, 2005