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PDF LA4592W Data sheet ( Hoja de datos )
| Número de pieza | LA4592W | |
| Descripción | 1.5-V Preamplifier + Power Amplifier for Headphone Stereo Products | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Ordering number : EN5662
Monolithic Linear IC
LA4592W
1.5-V Preamplifier + Power Amplifier
for Headphone Stereo Products
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.
Package Dimensions
unit: mm
3163A-SQFP48
[LA4592W]
Ambient temperature, Ta – °C
Specifications
Maximum Ratings at Ta = 25°C
SANYO: SQFP48
Parameter
Symbol
Maximum supply voltage
Allowable power dissipation
VCC max
Pd max
Operating temperature
Topr
Storage temperature
Tstg
Allowable Operating Ranges at Ta = 25°C
Conditions
Ratings
3.0
320
–10 to +60
–40 to +125
Unit
V
mW
°C
°C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
VCC
VCCop
Conditions
Ratings
1.5
0.95 to 2.2
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. 5662-1/5
1 page  
Sample Application Circuit
LA4592W
*: Adjust the values of the capacitors marked with an asterisk to match the timing required by the end product.
s No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace
equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of
which may directly or indirectly cause injury, death or property loss.
s Anyone purchasing any products described or contained herein for an above-mentioned use shall:
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and
distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all
damages, cost and expenses associated with such use:
Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on
SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees
jointly or severally.
s Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for
volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied
regarding its use or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of July, 1997. Specifications and information herein are subject to change
without notice.
No. 5662-5/5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet LA4592W.PDF ] | |
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