ISL59483_07 Datasheet, PDF (5/17 Pages) Intersil Corporation – Dual, 500MHz Triple, Multiplexing Amplifiers

ISL59483
Typical Performance Curves V_S = ±5V, R_L = 500Ω to GND, T_A = +25°C, unless otherwise specified.
4
SOURCE POWER = -14dBm
2 INTO A 50Ω INPUT IMPEDANCE
C_L= 7.3pF _{CL= 6.3pF}
1
SOURCE POWER = -10dBm
INTO A 50Ω INPUT IMPEDANCE
0
0
-2
C_L= 4.6pF
-4
-6
C_L= 12.3pF
C_L= 2.3pF
C_L= 1.5pF
-8
-10
R_L=1kΩ
-1
R_L=100Ω
-2
R_L=150Ω
-3
R_L=0.5kΩ
-12
-14 ^{CL INCLUDES 0.3pF}
BOARD CAPACITANCE
-16
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 1. MUX1: GAIN vs FREQUENCY vs C_L
-4
-5
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 2. MUX1: GAIN vs FREQUENCY vs R_L
10
8
C_L = 8.8pF
6
C_L = 7.4pF
4
C_L = 6.2pF
2
C_L = 4.5pF
0
-2
C_L = 3.3pF
C_L = 2.1pF
-4
-6
C_L = 1.1pF
-8
C_L = 0.6pF
-10
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 3. MUX2: SMALL SIGNAL GAIN vs FREQUENCY vs
C_L INTO 500Ω LOAD
10
8
V_OUT = 0.2V_P-P
6
4
2
C_L = 12.6pF
C_L = 10.6pF
C_L = 8.8pF
C_L = 6.2pF
0
-2
C_L = 4.5pF
-4
C_L = 3.3pF
-6
-8
C_L INCLUDES 0.6pF
BOARD CAPACITANCE
C_L = 2.1pF
C_L = 0.6pF
-10
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 4. MUX2: SMALL SIGNAL GAIN vs FREQUENCY vs
C_L INTO 150Ω LOAD
0.2
SOURCE POWER = -10dBm
0.1 _{INTO A 50Ω INPUT IMPEDANCE}
0.0
-0.1
C_L=4.7pF
-0.2
-0.3
-0.4
-0.5
C_L=1.5pF
-0.6
-0.7
-0.8 _{CL INCLUDES 0.3pF}
-0.9 _{BOARD CAPACITANCE}
-1.0
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 5. MUX1: 0.1dB GAIN vs FREQUENCY
5
100
10
1
0.1
0.1k
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 6. MUX1: R_OUT vs FREQUENCY
FN6394.2
May 21, 2007