參數(shù)資料
型號: LA4592W
元件分類: 音頻/視頻放大
英文描述: 0.019 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封裝: SQFP-48
文件頁數(shù): 1/5頁
文件大?。?/td> 160K
代理商: LA4592W
Overview
The LA4592W is a single-chip 1.5-V headphone stereo
system IC. The LA4592W adds a variety of functions,
including a switch amplifier (for end product audio quality
switches, the metal tape switch, and other switches) and an
AMSS (Automatic Music Search System) function that
supports blank skipping, to the earlier LA4590W.
Furthermore, the LA4592W provides even lower no-signal
time power levels for lower end-product power
dissipation. In combination with the LA3235W 1.5-V
record preamplifier IC, the LA4592W can be used to
implement a record/playback cassette system with just two
ICs.
Functions
Stereo preamplifier: supports auto reverse and includes a
muting function.
Stereo power amplifier: Includes OCL and muting
functions.
Ripple filter
Low boost function (BTL operation in the low-
frequency region)
Inter-track detection function (Supports AMSS and
blank skipping)
Two switching amplifiers
Power switch (standby function)
Features
Virtual ground impedance is reduced by built-in VREF
amplifier
No capacitor required for ripple filter oscillation
prevention.
Provides ample output power at low frequencies.
(PO = 24 mW, VCC = 1.2 V, f = 150 Hz)
High-frequency cutoff capacitors built into the
preamplifier and power amplifier inputs to minimize
buzzing.
Monolithic Linear IC
Ordering number : EN5662
73097HA (OT) No. 5662-1/5
SANYO: SQFP48
[LA4592W]
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
1.5-V Preamplifier + Power Amplifier
for Headphone Stereo Products
LA4592W
Package Dimensions
unit: mm
3163A-SQFP48
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
3.0
V
Allowable power dissipation
Pd max
320
mW
Operating temperature
Topr
–10 to +60
°C
Storage temperature
Tstg
–40 to +125
°C
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
1.5
V
Operating supply voltage range
VCCop
0.95 to 2.2
V
Allowable Operating Ranges at Ta = 25°C
Ambient temperature, Ta – °C
Allowable
power
dissipation,
Pd
max
W
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