LA3242 Datasheet, PDF (1/12 Pages) Sanyo Semicon Device – Preamplifier for Compact Cassette Recorder Recording-only Use

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
V_CC max
Pd max
Topr
Tstg
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating voltage range
Symbol
V_CC
V_CC op
Conditions
Conditions
Ratings
Unit
16
V
720
mW
–20 to +75
°C
–40 to +125
°C
Ratings
Unit
6
V
4.5 to 14.0
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