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LA1845NM Datasheet

  • LA1845NM

  • Single-Chip Home Stereo IC

  • 10頁

  • SANYO

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Ordering number : ENN7185
Monolithic linear IC
LA1845N, 1845NM
Single-Chip Home Stereo IC
Overview
The LA1845N/1845NM is designed for use in mini
systems and is a single-chip tuner IC that provides
electronic tuning functions using SD/IF-count technigue.
It incorporates a pilot canceler and an adjustment-free
MUX VCO circuit, thus allows additional parts to be
reduced.
Package Dimensions
unit: mm
3067A-DIP24S
[LA1845N]
21.0
24
13
7.62
6.4
RF amplifier, mixer, oscillator, IF amplifier,
detector, AGC, SD, oscillator buffer, IF buffer,
stereo IF output, AGC time constant switch
鈥?FM IF: IF amplifier, quadrature detector, S-meter, SD
(signal detection), S-curve detection, IF buffer
output
鈥?MPX: PLL stereo decoder, stereo display, forced
monaural, VCO stop, audio muting, adjacent
channel interference rejection function, pilot
canceler
鈥?AM:
1
0.9
12
(0.71)
1.78
0.48
0.95
0.51min
unit: mm
3112A-MFP24S
[LA1845NM]
24
13
Features
鈥?Integrated MPX VCO (ceramic resonators are no longer
required.)
鈥?Built-in adjacent channel interference rejection function
(114 kHz, 190 kHz)
鈥?Supports both SD and IF-count techniques
鈥?Both FM SD sensitivity and bandwidth can be set
鈥?Pilot canceler built in.
5.4
3.3 3.9max
(3.25)
SANYO: DIP24S
12.5
0.15
0.35
1.0
0.1 1.5
(0.75)
SANYO: MFP24S
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鈥檚
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
91002RM (OT) No. 5888-1/10
0.63
1
12
1.7max
7.6
0.25
Functions

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