CWB309CY Просмотр технического описания (PDF) - Calogic, LLC
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CWB309CY Datasheet PDF : 7 Pages
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CWB308 / CWB309
FUNCTIONAL BLOCK DIAGRAMS (1 of 4 channels)
V+
IN
IL
LT
S
D
CORPORATION
Switch Contacts:
Switches are bi-directional (Analog Input can be to
Source or Drain. However, for optimum performance in
Video Application, connect Input to Source and Output
to Drain.
GND
V-
CMOS CIRCUITRY
DMOS SWITCH
SWITCHING TIMES TEST CIRCUIT
+15V
SWITCH
INPUT
+3V
LOGIC
INPUT
RL =
1K Ω
-15V
SWITCH
OUTPUT
C L = 35pF
OFF ISOLATION TEST CIRCUIT
KROHNHITE
240D
(or equivalent)
PHILIPS
A
SCOPE
B
PM3214
(or equivalent)
V+
C
D
50
Ω
S
50
Ω
C
OFF-ISOLATION
LOGIC 1 = +5V
C = 0.22µ F // 10 µ F
V-
SWICHING TIMES
-VS-
SUPPLY VOLTAGES
300
TA = +25oC
ton
200
t off
100
0
_+5
_+10
_+15
Supply Voltages (Volts)
OFF ISOLATION REJECTION RATIO
-VS-
FREQUENCY
60
55
50 V-, V+ = _+15V
RL = 50 Ω
45
40
TA = +25 oC
35
20
30
40
50
f - Frequency (MHz
60 70 80 90 100
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