LA1145M-TLM-E【PDF 1/17 页】IC FM IF SYSTEM CAR RADIO 20MFP

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Ordering number: ENN 2725B

Monolithic Linear IC

LA1145 , 1145M

FM IF System (Quadrature Detector) for Car Radio

Features

Package Dimensions

On-chip IF count buffer circuit and microprocessor-

controlled switch circuit for ETR.

unit : mm

3115-SIP18Z

Compared to the LA1140, the LA1145 , 1145M offer:

1 Improved signal meter output linearity;

2 Improved band mute temperature stability;

3 Improved S/N ratio;

4 Improved sound quality at weak signal input when

24.2

[LA1145]

3.25

noise is present, and;

5 Improved AMR characteristics during weak signal

input.

Reduced parts’ count simplifies design:

1 On-chip IF count buffer circuit;

2 On-chip SD circuit — sensitivity can be set

1.305

2.54

0.5

0.25

2.54

independently of soft mute characteristics, and;

3 Variable S-meter gradient — three pin S-meter output

(pins 5, 16 and 17) facilitates independent control of

1.27

SANYO : SIP18Z

SNC and HCC.

unit : mm

3036C-MFP20

[LA1145M]

2 0

12.5

0.15

0.35

1.27

(0.4)

SANYO: MFP20

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

20802TN(II)/9 3097 HA (II)/3132TS/2118TA No.2725-1/17

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