HA5022_03 Datasheet, PDF (9/17 Pages) Intersil Corporation – Dual, 125MHz, Video Current Feedback Amplifier with Disable

HA5022
VIDEO INPUT #1
(NOTE 17)
100Ω
1
U_1A
+_- ¹⁶
R₁
23
75
R₃
681
R₂
681
R₄
75
R₅
2000
VIDEO INPUT #2
(NOTE 17)
100Ω
7
6
U_1B
+_- ¹⁰
R₆
5
75
R₈
R₇
681
681
R₉
75
R₁₀
2000
VIDEO OUTPUT
TO 75Ω LOAD
1
2
R₁₁
100
3
+5V
ALL ^S1
OFF
+5V IN
0.1µF
+5V
+
10µF
-5V IN
0.1µF
-5V
10µF
+
NOTES:
18. U₁ is HA5022.
19. All resistors in Ω.
20. S₁ is break before make.
21. Use ground plane.
INPUT B
INPUT A
CHANNEL
SWITCH
INHIBIT
FIGURE 9. TWO CHANNEL HIGH IMPEDANCE MULTIPLEXER
R_1A
75
R_1B
75
D_1A
1N4148
R_3A
681
R_1A
681
100Ω
U_2A
1
-
+
16
4
23
R_4A
27
-5V
(NOTE 17)
0.01µF
U_1C
U_1A
U_1B
R₆
100K
R_5A
2000
C_1A
0.047µF
U_1D
R_3B
681
R_5B
2000
R_2B
681
7 ^U2B
- ¹⁰
R_4B
27
6 ⁺ ₁₃
100Ω
5
+5V
(NOTE 17)
0.01µF
D_1B
1N4148
C_1B
0.047µF
NOTES:
22. U₂: HA5022.
23. U₁: CD4011.
FIGURE 10. LOW IMPEDANCE MULTIPLEXER
9
OUTPUT