LA2901 Datasheet PDF - Sanyo Semicon Device
| Part Number | LA2901 | |
| Description | Four-Channel High-Output Line Amplifier for Car Audio Systems | |
| Manufacturers | Sanyo Semicon Device | |
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Ordering number : ENN7139
Monolithic Linear IC
LA2901V
Four-Channel High-Output Line Amplifier
for Car Audio Systems
Overview
The LA2901V is a high output level 4-channel line
amplifier designed for car audio systems. This line
amplifier provides an output signal with a significantly
higher amplitude than the output signal provided by earlier
preamplifiers. This higher amplitude significantly
improves the signal-to-noise ratio in the connection from
the main unit to the external power amplifier, and results
in improved power amplifier performance.
Package Dimensions
unit: mm
3175B-SSOP24 (275 mil)
[LA2901V]
7.8
24
The LA2901V also significantly reduces the required
mounting area by cutting in half the number of external
capacitors required for boosting the signal-system supply
voltage and is available in SSOP miniature package.
Functions and Features
• High output level (5.3 Vrms)
• Low output noise voltage (12 µV)
• Low total harmonic distortion (0.004%)
• High ripple rejection ratio (70 dB)
• Fewer external parts required
• Excellent audio fidelity
1
(0.33) 0.65 0.22
0.15
SANYO: SSOP24 (275 mil)
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
Conditions
With no input signal
Ta ≤ 85°C, Mounted on a printed circuit board
(114.3 × 76.1 × 1.6 mm3, glass epoxy)
Ratings
13
400
–40 to +85
–40 to +150
Unit
V
mW
°C
°C
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O3001TN (OT) No. 7139-1/5
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--20
VCC=9V
RL=10kΩ
LR=1Vrms
--40 Rg=10kΩ
CH Sep -- f
LA2901V
--20
VCC=9V
RL=10kΩ
LF=1Vrms
--40 Rg=10kΩ
CH Sep -- f
--60
LF
Rch
--80
--100
10 2 3 5 7100 2 3 5 7 1k 2 3 5 710k
Input frequency, f — Hz
CH Sep -- f
--20
VCC=9V
RL=10kΩ
RR=1Vrms
--40 Rg=10kΩ
2 3 5 7100k
ILA00933
--60
LR
Rch
--80
--100
10 2 3 5 7100 2 3 5 7 1k 2 3 5 710k
Input frequency, f — Hz
--20
VCC=9V
RL=10kΩ
RF=1Vrms
CH Sep -- f
--40 Rg=10kΩ
2 3 5 7100k
ILA00934
--60
RF
Lch
--80
--100
10
2 3 5 7100 2 3 5 7 1k 2 3 5 710k 2 3 5 7100k
Input frequency, f — Hz
ILA00935
--60
RR
Lch
--80
--100
10
2 3 5 7100 2 3 5 7 1k 2 3 5 710k 2 3 5 7100k
Input frequency, f — Hz
ILA00936
Specifications of any and all SANYO products described or contained herein stipulate the performance,
characteristics, and functions of the described products in the independent state, and are not guarantees
of the performance, characteristics, and functions of the described products as mounted in the customer’s
products or equipment. To verify symptoms and states that cannot be evaluated in an independent device,
the customer should always evaluate and test devices mounted in the customer’s products or equipment.
SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all
semiconductor products fail with some probability. It is possible that these probabilistic failures could
give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,
or that could cause damage to other property. When designing equipment, adopt safety measures so
that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective
circuits and error prevention circuits for safe design, redundant design, and structural design.
In the event that any or all SANYO products (including technical data, services) described or contained
herein are controlled under any of applicable local export control laws and regulations, such products must
not be exported without obtaining the export license from the authorities concerned in accordance with the
above law.
No part of this publication may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, or any information storage or retrieval system,
or otherwise, without the prior written permission of SANYO Electric Co., Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the “Delivery Specification”
for the SANYO product that you intend to use.
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 October, 2001. Specifications and information herein are subject
to change without notice.
PS No. 7139-5/5
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