LA7156 Просмотр технического описания (PDF) - SANYO -> Panasonic
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LA7156 Datasheet PDF : 8 Pages
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Ordering number : EN4702
Monolithic Linear IC
LA7156
Video and Audio Switch for
PAL-SECAM 21-Pin Interface
Overview
The LA7156 is a switching IC for use with the PAL and
SECAM 21-pin connector interface. The LA7156
integrates video and audio switches in a single chip, and
allows significant block reorganization and integration by
providing function switching outputs with current limiters,
75 Ω video drivers, muting and other functions. The
LA7156 provides a diverse set of functions, including
support for single-wire serial bus control that allows
complex logic to be handled by microprocessor software.
Functions and Features
• Three audio and three video switching systems
• Audio output and video decoder output muting function
• Video input sync chip clamp
• Two 6 dB video amplifier plus 75 Ω driver systems
• VPS decoder output
• FSS output with current limiting
• 5 V regulator built-in
• Serial control
Package Dimensions
unit: mm
3067-DIP24S
[LA7156]
SANYO: DIP24S
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Ta ≤ 65°C
Conditions
Ratings
Unit
15
V
800
mW
–20 to +65
°C
–55 to +150
°C
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
VCC
VCC op
Conditions
Ratings
Unit
9, 12
V
8 to 13
V
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
22895TH (OT) No. 4702-1/8
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