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BA7644 Folha de dados(PDF) 1 Page - Rohm

Nome de Peças BA7644
Descrição Electrónicos  Video signal switcher
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Fabricante Electrônico  ROHM [Rohm]
Página de início  http://www.rohm.com
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BA7644 Folha de dados(HTML) 1 Page - Rohm

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Multimedia ICs
Video signal switcher
BA7644AN
The BA7644AN is a four-channel analog multiplexer with mute, designed for use in video cassette recorders. It fea-
tures a wide dynamic range, and wide operating frequency range, and is suitable for switching audio and video sig-
nals.
Applications
VCR, TV and audio signal switching
Features
1) 4-input / 1-output switches.
2) Built-in mute.
3) Wide operating supply voltage range
(4.5V to 13.0V).
4) Low power consumption (48mW Typ.).
5) Excellent frequency characteristics
(10MHz, 0dB Typ.).
6) Wide dynamic range (3.5VP-P Typ.).
7) High input impedance (20k
Ω Typ.).
8) Low interchannel crosstalk
( – 65dB Typ., f = 4.43MHz).
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Unit
VCC
13.5
V
850
mW
°C
°C
Limits
Pd
Topr
Tstg
– 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.
Block diagram
1
2
3
4
LOGIC
MUTE
5
6
7
8
9
10
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
HMUTE
CTL - A
CTL - B
CTL - C
Either "L (open)" or "H".


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