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PDF LA1875M Data sheet ( Hoja de datos )
| Número de pieza | LA1875M | |
| Descripción | Monolithic Linear IC | |
| Fabricantes | Sanyo Semicon Device | |
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Ordering number:ENN3342B
Monolithic Linear IC
LA1875M
Single-chip, Electronic Tuner for Car Stereo
Overview
The LA1875M is an electronic tuner IC that incorporates
AM, FM IF and MPX circuit sections on a single chip,
making it ideal for use in car stereo equipment.
The LA1875M features an antenna-damping AM AGC cir-
cuit with rapid charge and discharge characteristics. It also
features an S-meter driver, tuning and FM-stereo LED out-
puts, FM soft-mute and forced mono modes and a no-ad-
justment MPX VCO.
The LA1875M AM circuit comprises a mixer, oscillator,
RF AGC, IF amplifier and IF buffer. The FM IF circuit com-
prises an IF amplifier, eqadrature detector, and AFC and IF
buffer outputs. The MPX circuit comprises a VCO and ste-
reo noise control (SNC) and high-cut control (HCC) cir-
cuits.
The LA1875M operates from a 7 to 10V supply and is avail-
able in 36-pin MFPs.
Package Dimensions
unit:mm
3129-MFP36S
[LA1875M]
36 19
1 18 0.25
15.3
0.4 0.8 0.85
SANYO : MFP-36S
Features
• AM, FM IF and MPX circuits.
• Antenna-damping AM AGC circuit with rapid charge and
discharge characteristics.
• S-meter driver.
• Tuning and FM-stereo LED outputs.
• AFC and IF buffer outputs.
• AM mixer, oscillator, AGC, IF amplifier and IF buffer.
• FM IF amplifier, quadrature detector.
• MPX no-adjustment VCO, SNC and HCC.
• FM soft-mute and forced-mono modes.
• 7 to 10V supply.
• 36-pin MFP.
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
11200TH (KT)/3272TS No.3342–1/12
1 page  
Sample Application Circuit
LA1875M
No.3342–5/12
5 Page 
Continued from preceding page.
LA1875M
No.3342–11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LA1875M.PDF ] | |
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