Ordering number : EN5661
Monolithic Linear IC
LA4585M
3-V Preamplifier + Power Amplifier for
Headphone Stereo Products
Overview
The LA4585M is a preamplifier plus power amplifier IC
that supports auto-reverse and was developed for use in
3-V headphone stereo products.
Features
鈥?The LA4585M is designed for use in playback-only
compact cassette players. In addition to preamplifier and
power amplifier functions, the LA4585M also provides
low boost and automatic power output limiter
(PVSS:Peak Volume Select System) functions.
鈥?Provided in a mini-flat 36-pin quad package (0.65 mm
lead pitch) optimal for miniature end products.
鈥?Two auto-reverse playback preamplifiers
鈥?Two headphone power amplifiers (16
鈩?
鈥?Low boost function (auto-loudness effect)
鈥?Output limiter function (PVSS)
鈥?Two radio input switches (pre-muting switches)
鈥?Power muting switch
Package Dimensions
unit: mm
3162B-QFP36
[LA4585M]
Allowable power dissipation, Pd max 鈥?mW
Ambient temperature, Ta 鈥?擄C
SANYO: QFP36
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
Conditions
Ratings
4.5
375
鈥?0 to +75
鈥?0 to +150
Unit
V
mW
擄C
擄C
Operating Conditions
at Ta = 25擄C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
V
CC
V
CC
op
Conditions
Ratings
3.0
1.8 to 3.6
Unit
V
V
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
73097HA(OT) No. 5661-1/5