Ordering number : N5288A
Monolithic Linear IC
LA7337
SECAM-Format VCR
Chroma Signal-Processing Circuit
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.
Package Dimensions
unit: mm
3063-DIP28S
[LA7337]
Features
鈥?All required filters, except for the bell filter,
incorporated on chip.
鈥?Automatic adjustment of the bell filter f
0
parameter
鈥?Built-in SECAM discrimination circuit
Functions
鈥?.3-MHz and 1.1-MHz band-pass filters, limiter, AGC (in
playback mode)
鈥?Divide-by-four circuit, 4脳 frequency multiplier circuit,
2.2-MHz band-pass filter
鈥?Bell filter f
0
automatic adjustment circuit, SECAM
discrimination circuit
鈥?Sync gate
SANYO: DIP28S
Specifications
Absolute Maximum Ratings
at Ta = 25擄C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
max
Pd max
Topr
Tstg
Ta
鈮?/div>
70擄C
Conditions
Ratings
7
600
鈥?5 to +70
鈥?0 to +150
Unit
V
mW
擄C
擄C
Operating Conditions
at Ta = 25擄C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
V
CC
V
CC
op
Conditions
Ratings
5
4.8 to 5.5
Unit
V
V
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
13097 HA (OT) No. 5288-1/7
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