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SM5307A データシート(PDF) 8 Page - Nippon Precision Circuits Inc

部品番号. SM5307A
部品情報  3-channel Video Buffer
ダウンロード  13 Pages
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メーカー  NPC [Nippon Precision Circuits Inc]
ホームページ  http://www.npc.co.jp/en
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SM5307A Datasheet(HTML) 8 Page - Nippon Precision Circuits Inc

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SM5307A
SEIKO NPC CORPORATION —8
FUNCTIONAL DESCRIPTION
Filter Select and Filter-bypass Mode
The SM5307A is mounted the 5th-order lowpass filter (LPF), and is possible to use changing four modes of
SD1, SD2, HD and filter-bypass mode for corresponding to input video signal. The filter mode changes with
the FC1 and FC2 pins.
Input Multiplexer
The SM5307A is mounted the two input multiplexer for each channels. The MUXSEL pin selects the input
signals.
Disable Mode Function
The SM5307A has the disable mode function. When DISABLE pin set to “H”, The SM5307A operation
becomes disable mode. In disable mode operation, current consumption becomes up to 2mA and video signal
input and output pins are setting high-impedance.
Control pins
Filter mode
Filter passband (typ)
FC1
FC2
CH-1
CH-2
CH-3
L
L
SD1 mode
6.75MHz
3.375MHz
3.375MHz
H
L
SD2 mode
13.5MHz
6.75MHz
6.75MHz
L
H
HD mode
30MHz
15MHz
15MHz
H
H
Filter-bypass mode
80MHz
80MHz
80MHz
Control pin
Selected input
MUXSEL
CH-1
CH-2
CH-3
L
IN1A
IN2A
IN3A
H
IN1B
IN2B
IN3B
Control pin
SM5307A operation
DISABLE
L
Normal operation
H
Disable mode


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