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LA4587M

Sanyo
Part Number LA4587M
Manufacturer Sanyo
Description Preamplifier + Power Amplifier
Published Apr 25, 2005
Detailed Description Ordering number: EN5204A Monolithic Linear IC LA4587M Preamplifier + Power Amplifier for 1.5 V Headphone Stereos Over...
Datasheet PDF File LA4587M PDF File

LA4587M
LA4587M

Overview
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, between metal and normal tape) .
switchable Stereo power amplifier (OCL, mute function) .
Ripple filter .
Low boost function (BTL operation in low-frequency range) .
AMSS (Automatic Music Select System) .
Power switch Features CC preamplifier and power amplifier inputs; anti-buzz provision.
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 Allowable power dissipation, Pd max − mW .
Preamplifier has a high open-loop gain (VG = 73 dB).
.
Preamplifier requires no NF capacitor.
.
Virtual ground capacitor can be 1 µF or less.
(Lower amplifier built in.
) is achieved by having a V .
impedance Ripple filter requires no capacitor for preventing oscillation.
.
Powerful output is obtained in low boost output = 21 mW/V = 1.
2 V, f = 100 Hz).
.
(Po A high-frequency cutoff capacitor is built into the O REF SANYO : QIP48D Ambient temperature, Ta − °C Ratings 3.
0 635 –10 to +60 –40 to +125 Unit V mW °C °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 LA4587M Operating Conditions at Ta = 25 °C Parameter Recommended supply voltage Operating supply voltage range Symbol VCC VCC op Conditions Ratings 1.
5 0.
95 to 2.
2 Unit V V Operation Characteristics at Ta = 25 °C, VCC = 1.
2 V, f = 1 kHz, 0.
775 V = 0 dBm, RL = 10 kΩ (preamplifier), RL = 16 Ω (power amplifier) Parameter [Preamplifier + Power Amplifier] Quiescent curren...


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