EL5102_08 Datasheet, PDF (6/17 Pages) Intersil Corporation – 400MHz Slew Enhanced VFAs

EL5102, EL5103, EL5202, EL5203, EL5302
Typical Performance Curves
5
4
V_S = ±5V
A_V = +1
3 ^RF ^{= 0}
2
R_L = 500Ω
C_L = +3.3pF
1
0
-1
-2
-3
-4
-5
0.1
-3dB BW @ 438MHz
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 1. GAIN vs FREQUENCY (-3dB BANDWIDTH)
240
V_S = ±5V
180 ^AV ^{= +1}
R_F = 0
120 R_L = 500Ω
C_L = +3.3pF
60
0
-60
-120
-180
-240
0.1
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 2. PHASE vs FREQUENCY
0.5
0.4
V_S = ±5V
A_V = +1
0.3 R_F = 0
0.2
R_L = 500Ω
C_L = +3.3pF
0.1
0.1dB BW @ 35MHz
0
-0.1
-0.2
-0.3
-0.4
-0.5
1M
10M
FREQUENCY (Hz)
100M
FIGURE 3. 0.1dB BANDWIDTH
70
V_S = ±5V
R_L = 500Ω _{GAIN = 40dB or 100}
60
FREQUENCY = 1.64 MHz
GAIN BW PRODUCT =
1.64 x 100 = 164MHz
50
40
30
20
0
1M
10M
FREQUENCY (Hz)
100M
FIGURE 4. GAIN BANDWIDTH PRODUCT
300
V_S = ±5V
R_L = 500Ω
250
200
150
100
50
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SUPPLY VOLTAGES (±V)
FIGURE 5. GAIN BANDWIDTH PRODUCT vs SUPPLY
VOLTAGES
5
4
V_S = ±5V
R_L = 500Ω
3 ^CL ^{= +3.3pF}
2
1
0
A_V = +2
R_F = R_G = 400Ω
A_V = +1
R_F = 0
-1
-2
-3
A_V = +5
-4
R_F = 1.6k, R_G = 400
-5
0.1
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 6. GAIN vs FREQUENCY FOR VARIOUS +A_V
6
FN7331.8
January 17, 2008