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BA7645 数据表(PDF) 1 Page - Rohm

部件名 BA7645
功能描述  Video signal switcher
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BA7645 数据表(HTML) 1 Page - Rohm

  BA7645 Datasheet HTML 1Page - Rohm BA7645 Datasheet HTML 2Page - Rohm BA7645 Datasheet HTML 3Page - Rohm BA7645 Datasheet HTML 4Page - Rohm  
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1
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.
Applications
Video cassette recorders and televisions
Features
1) 4-input / 1-output switches.
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 (3.5VP-P Typ.).
8) Low interchannel crosstalk
( – 65dB Typ., f = 4.43MHz).
Block diagram
123456789
10
LOGIC
MUTE
Truth table
OUT
L (OPEN)
L (OPEN)
L (OPEN)
IN1
L (OPEN)
H
L (OPEN)
IN2
H
L (OPEN)
L (OPEN)
IN3
H
H
L (OPEN)
IN4
∗∗
H
MUTE
CTLA
CTLB
CTLC
Either "L (open)" or "H".
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limit
Unit
13.5
V
850
mW
Topr
°C
Tstg
°C
VCC
Pd
– 25 ~ + 75
– 55 ~ + 125
Power supply voltage
Power dissipation
Operating temperature
Storage temperature
Reduced by 8.5mW for each increase in Ta of 1°C over 25°C.


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