LA2113 Sanyo Semiconductor Corporation, LA2113 Datasheet

LA2113

Manufacturer Part Number

LA2113

Description

FM noise canceler

Manufacturer

Sanyo Semiconductor Corporation

Datasheet

1.LA2113.pdf (6 pages)

Current page: 1 of 6
Download datasheet (85Kb)

Ordering number : EN1125E

LA2113

Overview

Features

Specifications

Absolute Maximum Ratings at Ta = 25°C

Recommended Operating Conditions at Ta = 25°C

Maximum supply voltage

Allowable power dissipation

Operating temperature

Storage temperature

Recommended supply voltage

Operating voltage range

The LA2113 is a DIP-16 version of the LA2110. It has the capability to effectively remove external noise (pulse noise)

caused by engine, etc. and is used in conjunction with a PLL FM multiplex stereo demodulator (LA3373 and the like) with

pilot signal canceller.

• Pilot signal compensation function.

• By using in conjunction with PLL FM multiplex stereo demodulator with pilot signal canceller, adverse effect caused by

• Low distortion factor : THD = 0.02%, 300mV.

• Variable input type noise AGC system : This system widens the noise detector’s dynamic range, so that pulse noise can

pilot signal can be compensated.

be satisfactorily detected even in a weak electric field, and pulse noise is removed without adversely affecting distortion.

Parameter

"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,

Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to

communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be

intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace

instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety

equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case

of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee

thereof. If you should intend to use our products for applications outside the standard applications of our

customer who is considering such use and/or outside the scope of our intended standard applications, please

consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our

customer shall be solely responsible for the use.

Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate

the performance, characteristics, and functions of the described products in the independent state, and are not

guarantees of the performance, characteristics, and functions of the described products as mounted in the

customer

device, the customer should always evaluate and test devices mounted in the customer

equipment.

s products or equipment. To verify symptoms and states that cannot be evaluated in an independent

V CC max

V CC op

Pd max

Symbol

Topr

V CC

Tstg

Monolithic Linear IC

FM Noise Canceller

Ta ≤ 50°C

Conditions

42308 MS PC/11200TH (KT)/D247KI/4115KI/D142KI, TS No.1125-1/6

Ratings

s products or

-40 to +125

-20 to +75

8 to 15

450

Unit

°C

Related parts for LA2113

LA2113 Summary of contents

Page 1

... Monolithic Linear IC LA2113 FM Noise Canceller Overview The LA2113 is a DIP-16 version of the LA2110. It has the capability to effectively remove external noise (pulse noise) caused by engine, etc. and is used in conjunction with a PLL FM multiplex stereo demodulator (LA3373 and the like) with pilot signal canceller. Features • ...

Page 2

... Gate time t gate Noise sensitivity SN Package Dimensions unit : mm (typ) 3006C 19 1.09 1.2 2.54 (0.61) 0.48 LA2113 Conditions (input pin) (output pin 300mV 1kHz Output V7 1kHz Output, THD = 300mV 1kHz V7 = 300mV 1kHz Output V5 = 300mV 1kHz 100mV 200kHz V10 V15 = 100mV 19kHz Output ...

Page 3

... Low-pass Gate amp circuit LA2113 Mono- Noise stable detector Multivib Triangular wave (for pilot signal cancellation) V5 680pF 1200pF 68pF + 4.7kΩ 4.7kΩ LA2113 Composite signal output Subtraction 2 circuit Gate circuit Inverting amp 15 output V CC =12V 4.7μ 100μ ...

Page 4

... THD – 0 0. 200 400 600 800 1000 1200 Input signal level – mVrms SN – Supply voltage – V LA2113 12V 0.01 7 1400 1600 1800 Pulse width 1μ THD – 12V Input 300mVrms 10k Frequency, f – gate – Pulse width 1μs ...

Page 5

... Theory of LA2113 Noise Canceller Composite signal output In order to simplify the operation theory, the composite signal component is given only as a low frequency signal and a pilot signal, and the pilot cancel signal has the same phase, same amplitude as the pilot signal in the composite signal. ...

Page 6

... Adjust noise AGC with CY, RY for effective noise suppression in a medium or weak electric field. 4. Adjust pilot cancel degree with variable resistance of 50kΩ connected to LA2113 pin 15 changing the 1μF capacitor between LA3373 pin 11 and 12, pilot cancel follow-up response time can be changed. ...

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