LA1824
No.6855-1/10
Overview
The LA1824 is a single-chip tuner IC that incorporates
FM/AM and MPX circuits.
The built-in MPX-VCO allows this IC to be adjustment free
and to require no external components.
Features
FM, AM and MPX integrated in a single-chip.
Adjustment free MPX-VCO
: No ceramic resonator used.
FM front-end : Local OSC voltage reduced.
FM stereo and FM/AM tuning indicator
output provided.
Package : DIP-24S.
Functions
FM
: RF amplifier, mixer, oscillator, IF amplifier,
detector, signal meter, tuning indicator.
AM
: RF amplifier, mixer, oscillator (with ALC),
IF amplifier, detector, AGC, tuning indicator.
MPX : PLL stereo decoder, stereo indicator, VCO on chip, forced monaural.
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
7.0
V
Indicator drive current
ILED
Pin 8, 9
20
mA
Allowable power dissipation
Pd max
Ta
≤ 70 °C
300
mW
Operation temperature
Topg
--20 to +70
°C
Ambient temperature
Tstg
--40 to +125
°C
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
4.5
V
Operation supply voltage range
VCC op
2.5 to 6.0
V
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Ordering number : ENN*6855
LA1824
Single Chip Tuner IC for Use
in Radio/Cassette Products with Manual Tuning
[LA1824]
11201 RM (IM)
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft's
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
Monolithic Linear IC
Preliminary
Package Dimensions
unit : mm
3067A
0.48
(3.25)
3.3
3.9max
0.51min
21.0
(0.71)
1.78
0.25
7.62
6.4
1
12
24
13
0.95
0.9
SANYO : DIP-24S(300mil)