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LA4587M Datasheet

  • LA4587M

  • Preamplifier + Power Amplifier for 1.5 V Headphone Stereos

  • 340.49KB

  • 18頁(yè)

  • SANYO

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Ordering number: EN5204A
Monolithic Linear IC
LA4587M
Preamplifier + Power Amplifier
for 1.5 V Headphone Stereos
Overview
The LA4587M is a system IC that includes all of the necessary
functions for a playback set on a single chip, reducing the
number of external components needed.
Package Dimensions
unit : mm
3102-QFP48D
[LA4587M]
Functions
.
Stereo preamplifier (supports auto reverse function,
.
switchable between metal and normal tape)
.
Stereo power amplifier (OCL, mute function)
.
Ripple filterfunction (BTL operation in low-frequency range)
.
Low boost
(Automatic
.
AMSS switch Music Select System)
Power
Features
CC
preamplifier and power amplifier inputs; anti-buzz provision.
Specifications
Maximum Ratings
at Ta = 25 擄C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
max
Pd max
Topr
Tstg
Allowable power dissipation, Pd max 鈭?mW
.
Preamplifier has a high open-loop gain (VG = 73 dB).
.
Preamplifier requires no NF capacitor.
.
Virtual ground capacitor can be 1 碌F or less. (Lower
amplifier built in.)
achieved
having V
.
impedance isrequires nobycapacitor afor preventing oscillation.
.
Ripple filter is obtained in low boost output
Powerful output
= 21 mW/V = 1.2 V, f = 100
.
(Pohigh-frequency cutoff capacitor is Hz). into the
A
built
O
REF
SANYO : QIP48D
Ambient temperature, Ta 鈭?擄C
Ratings
3.0
635
鈥?0 to +60
鈥?0 to +125
Unit
V
mW
擄C
擄C
Conditions
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
13097HA(II)/N3095HA(II) No.5204-1/18

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