LMH6574 Datasheet, PDF (8/27 Pages) National Semiconductor (TI) – 4:1 High Speed Video Multiplexer

LMH6574
SNCS103D – NOVEMBER 2004 – REVISED DECEMBER 2014
6.7 Typical Performance Characteristics
V_S = ±5 V, R_L = 100 Ω, A_V = 2, R_F = R_G = 575 Ω, unless otherwise specified.
1
0
-1
V_OUT = 0.5 V_PP
-2
-3
V_OUT = 1 V_PP
-4
V_OUT = 2 V_PP
-5
-6
V_OUT = 4 V_PP
-7
V_S = ±5V
-8
A_V = 2V/V
-9
10
100
FREQUENCY (MHz)
1000
1
0
-1 _{AV = 1, RF = 1.5 k:}
-2
-3
A_V = 2, R_F = 575:
-4
A_V = 6, R_F = 300:
-5
-6
A_V = 10, R_F = 180:
-7
V_S = ±5V
-8
V_OUT = 2 V_PP
-9
10
100
FREQUENCY (MHz)
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1000
Figure 1. Frequency Response vs. V_OUT
2
C_L = 8.6 pF, R_OUT = 63:
0
C_L = 18 pF, R_OUT = 48:
-2
C_L = 56 pF, R_OUT = 24:
-4
C_L = 100 pF, R_OUT = 19:
-6 _{VOUT = 1 VPP}
C_L || 1 k:
-8 _{VS = ±5V}
A_V = 2 (V/V)
-10
1
10
100
FREQUENCY (MHz)
1000
Figure 3. Frequency Response vs. Capacitive Load
1600
1400
1200
1000
800
600
400
200
0
1 2 3 4 5 6 7 8 9 10
GAIN (V/V)
Figure 5. Suggested Value of R_F vs. Gain
Figure 2. Frequency Response vs. Gain
90
80
V_S = ±5V
LOAD = 1 k:|| C_L
70
60
50
40
30
20
10
0
1
10
100
CAPACTIVE LOAD (pF)
1000
Figure 4. Suggested R_OUT vs. Capacitive Load
2.5
2
1.5
1
0.5
0
-0.5
-1
-1.5
-2 ^{VS = ±5V}
-2.5
0 2 4 6 8 10 12 14 16 18 20
TIME (ns)
Figure 6. Pulse Response 4V_PP
8
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