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LA7337 Datasheet(PDF) 1 Page - Sanyo Semicon Device

Part No. LA7337
Description  SECAM-Format VCR Chroma Signal-Processing Circuit
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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Monolithic Linear IC
Ordering number : N5288A
13097 HA (OT) No. 5288-1/7
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
SECAM-Format VCR
Chroma Signal-Processing Circuit
LA7337
Overview
The LA7337 is an IC that implements SECAM-format
VCR signal processing in a single chip. It incorporates
band-pass filters and a SECAM discrimination circuit on
chip and features automatic adjustment of the bell filter for
a reduced number of external components and adjustment-
free circuit operation.
Features
• All required filters, except for the bell filter,
incorporated on chip.
• Automatic adjustment of the bell filter f0 parameter
• Built-in SECAM discrimination circuit
Functions
•4.3-MHz and 1.1-MHz band-pass filters, limiter, AGC (in
playback mode)
• Divide-by-four circuit, 4
× frequency multiplier circuit,
2.2-MHz band-pass filter
• Bell filter f0 automatic adjustment circuit, SECAM
discrimination circuit
• Sync gate
Package Dimensions
unit: mm
3063-DIP28S
SANYO: DIP28S
[LA7337]
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
7V
Allowable power dissipation
Pd max
Ta
≤ 70°C
600
mW
Operating temperature
Topr
–15 to +70
°C
Storage temperature
Tstg
–40 to +150
°C
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
5V
Operating supply voltage range
VCC op
4.8 to 5.5
V
Operating Conditions at Ta = 25°C




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