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PDF LV3327PGP Data sheet ( Hoja de datos )
| Número de pieza | LV3327PGP | |
| Descripción | Electronic Volume IC | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : EN*A1879
LV3327PV
LV3327PGP
Bi-CMOS LSI
Electronic Volume IC
Overview
The LV3327PV/PGP is electronic volume LSI for the volume adjustment of the portable sound equipment usage.
Features
• The mixing function is installed, and it is suitable for PND (personal navigation device) as the usage.
It is possible to output it by allocating one system in the audio guidance among four input systems, and mixing other
signals from the speaker output with the audio guidance by the microcomputer control.
• Because the volume step resolution is 0.5dB step, the volume can be made to fine-tune.
• Two kinds of compact packages are prepared. (SSOP16/VCT16)
• The loudness function is installed.
Functions
• Input switching : 4 input systems (Independent control is possible.)
• Volumn control : +10dB to -79.5dB(0.5dB steps)/-∞
• Loudness control :
Taps are output starting at the -32dB position of the ladder resistor and a loudness function implemented with external
capacitor and resistor components.
• Output gain control : 0dB or +6dB select
• Mixing function
• Output switching :
2 outputs (Each Lch output, Rch output, and Lch/Rch mixing output can be selected).
• Each control is done by the sirial data input. I2C
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. 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.
N2410 SY No.A1879-1/11
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
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DATA format : I2C data specification
LV3327PV/PGP
MSB
S
LSB MSB
WA
LSB MSB
A
LSB MSB LSB
A AP
CHIP address
SUB address
(Explanation)
S:Start Condition
P:Stop Condition
W:Write 0(Write Mode Only)
A:Ack(Acknowledge)
DATA_1
DATA_N
DATA setting
CHIP address
MSB
LSB
CP7 CP6 CP5 CP4 CP3 CP2 CP1 CP0
W
CP7 CP6 CP5 CP4 CP3 CP2 CP1 CP0
100
00
01
0
SUB address
MSB
LSB
SU7 SU6 SU5 SU4 SU3 SU2 SU1 SU0
Block
Input switching control (Lch)
Input switching control (Rch)
Volume control (Lch)
Volume control(Rch)
Loudness
TEST control
Output switching control / Output gain control (Lch)
Output switching control / Output gain control (Rch)
DATA
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
DATA_1
DATA_2
DATA_5
DATA_6
DATA_26
DATA_29
DATA_30
DATA_31
SUB address
SU7 SU6 SU5 SU4 SU3 SU2 SU1 SU0
10000000
01000000
10100000
01100000
01011000
10111000
01111000
11111000
Input switching control (DATA_1, DATA_2)
D7 D6 D5 D4 D3 D2 D1 D0
00000000
10000000
01000000
11000000
00100000
DATA_1: Lch side
DATA_2: Rch side
INMUTE
IN1 select
IN2 select
IN3 select
IN4 select
No.A1879-5/11
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LV3327PV/PGP
Usage Cautions
(1) Request to send the initial data at power ON
• Though the circuit initializing the IC inside at power ON is incorporated, be sure to send data to all sub-address as the
initial data at power ON.
• At power ON, muting or other measures must be taken externally till the data is set.
Reference data
Parameter
Symbol
Conditions
Min Typ Max Unit
VDD power rise time
Trise
0V → 2V power rise time
30 - - μsec
VDD voltage when power ON reset is canceled
Vpor
-2
-V
(2) Data is switched by standing up about the ACK clock of the data setting bit.
(3) The auto increment function is moved in the SUB address as follows.
…=>DATA_1=>DATA_2=>DATA_5=>DATA_6=>DATA_26=>DATA_29=>DATA_30=>DATA_31=>DATA
_1=>…
(4) As for the mixing function, half the value in which the Lch volume output and the Rch volume output are added is
output. (Lch+Rch)/2. Please set +6dB if necessary in the output steps.
SANYO Semiconductor Co.,Ltd. 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 Semiconductor Co.,Ltd.
products described or contained herein.
SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all
semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or
malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise
to smoke or fire, or accidents 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 Semiconductor Co.,Ltd. products described or contained herein are
controlled under any of applicable local export control laws and regulations, such products may require 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 consent of SANYO Semiconductor 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 Semiconductor Co.,Ltd. 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.
Upon using the technical information or products described herein, neither warranty nor license shall be granted
with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third
party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's
intellctual property rights which has resulted from the use of the technical information and products mentioned
above.
This catalog provides information as of November, 2010. Specifications and information herein are subject
to change without notice.
PS No.A1879-11/11
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