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PDF LA3242 Data sheet ( Hoja de datos )
| Número de pieza | LA3242 | |
| Descripción | Preamplifier for Compact Cassette Recorder Recording-only Use | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LA3242 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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Ordering number: EN 2620C
Monolithic Linear IC
LA3242
Preamplifier for Compact Cassette Recorder
Recording-only Use
Overview
The LA3242 is a preamp IC for compact cassette recorder
recording-only use. The distinctive feature of the LA3242 is
that it contains mechanical switches which have been so far
connected externally as peripheral parts.
Package Dimensions
unit : mm
3067-DIP24S
[LA3242]
Features
. On-chip electronic select switches permitting selection of
normal/higher speed recording and metal(chrome)/normal
. tape recording mode by using the dedicated control pins.
Two ALC output pins making it easy to make up a Dolby
. recording system.
The control voltage from a microcomputer, etc. can be used
to turn ON/OFF the ALC and to set the ALC control voltage
. to the initial value.
On-chip microphone amplifier making it easy to provide
microphone mixing.
. Wide operating voltage range (VCC = 4.5 to 14.0 V).
. Can be used in conjunction with playback-only preamp
LA3246 to make up a double-cassette dubbing system.
SANYO : DIP24S
Functions
. Recording preamplifier ×2
. Microphone amplifier ×1
. ALC output
×2
. Electronic switch
×6
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating voltage range
Symbol
VCC
VCC op
Conditions
Conditions
Ratings
16
720
–20 to +75
–40 to +125
Unit
V
mW
°C
°C
Ratings
6
4.5 to 14.0
Unit
V
V
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
D3097HA(II)/N257TA/7027TA,TS No.2620-1/12
1 page  
Test Circuit
LA3242
Sample Printed Circuit Pattern (Cu-foiled area)
130 × 130 mm2
Unit (resistance: Ω, capacitance: F)
No.2620-5/12
5 Page 
Rr – VCC
LA3242
Rr – fR
Supply voltage, VCC – V
Rr – Cr
Ripple frequency, fR – Hz
ICCO – Ta
Value of capacitor for ripple filter, Cr – µF
VG – Ta
Ambient temperature, Ta – °C
VO max – Ta
From the top:
Ambient temperature, Ta – °C
VO max – Ta
Ambient temperature, Ta – °C
VO max – Ta
Ambient temperature, Ta – °C
Ambient temperature, Ta – °C
No.2620-11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LA3242.PDF ] | |
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