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BA7645N Datasheet

  • BA7645N

  • Video signal switcher

  • 4頁(yè)

  • ROHM

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Multimedia ICs
Video signal switcher
BA7645N
The BA7645N is a four-channel analog multiplexer with mute, designed for use in video cassette recorders. It fea-
tures a large dynamic range, and wide operating frequency range, and has sync-tip inputs which are ideal for switch-
ing video signals.
鈥?/div>
Applications recorders and televisions
Video cassette
鈥?/div>
Features/ 1-output switches.
1) 4-input
2) Built-in mute.
3) Sync-tip inputs.
4) Wide operating supply voltage range
(4.5V to 13.0V).
5) Low power consumption (48mW Typ.).
6) Excellent frequency characteristics
(10MHz, 0dB Typ.).
7) Wide dynamic range (3.5V
P-P
Typ.).
8) Low interchannel crosstalk
( 鈥?65dB Typ., f = 4.43MHz).
鈥?/div>
Absolute maximum ratings (Ta = 25擄C)
Parameter
Power supply voltage
Power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
Pd
Topr
Tstg
Limit
13.5
850
鈭?/div>
鈥?25 ~ + 75
鈥?55 ~ + 125
Unit
V
mW
擄C
擄C
鈭?/div>
Reduced by 8.5mW for each increase in Ta of 1擄C over 25擄C.
鈥?/div>
Block diagram
MUTE
鈥?/div>
Truth table
CTLA
L (OPEN)
L (OPEN)
H
LOGIC
CTLB
L (OPEN)
H
L (OPEN)
H
CTLC
L (OPEN)
L (OPEN)
L (OPEN)
L (OPEN)
H
OUT
IN1
IN2
IN3
IN4
MUTE
H
鈭?/div>
1
2
3
4
5
6
7
8
9
10
鈭?/div>
鈭?/div>
Either "L (open)" or "H".
CTLC
CTLA
CTLB
IN2
IN3
IN4
IN1
GND
V
CC
V
OUT
1

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