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參數(shù)資料
| 型號： | LB1409 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP16 |
| 封裝： | 0.300 INCH, DIP-16 |
| 文件頁數(shù)： | 4/4頁 |
| 文件大小： | 104K |
| 代理商： | LB1409 |
LB1409
PS No.683-4/4
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.
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.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed
for volume production.
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.
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.
Application Circuit Example (All with offset adjustment)
Circuit not using Vref 2
R
16
15
14
13
12
11
10
9
20k
Ω
LB1409
12345678
VCC
+
100
μF
4.7
μF
AC IN
10k
Ω
22k
Ω
1k
Ω
10k
Ω
22k
Ω
18k
Ω
91k
Ω
OUT
+
4.7
μF
Adjusting procedures
1. Turn the center of 10k
Ω VR largely to 4.7μF
capacitor side.
2. Input AC signal of 50
√2mV from AC IN.
3. Adjust 1k
Ω VR so that the output at OUT
becomes 500 mV DC.
Equation used in the calculation of R to be
inserted in series with LED.
Gain : 20dB
R (red) = (VCC - 2.5) / 6kΩ
R (green) = (VCC - 2.8) / 18kΩ
Circuit using Vref 2
R
16
15
14
13
12
11
10
9
20k
Ω
LB1409
12345678
VCC
+
100
μF
4.7
μF
AC IN
10k
Ω
22k
Ω
1k
Ω
10k
Ω
22k
Ω
18k
Ω
91k
Ω
+
4.7
μF
VR
10k
Ω
Tr1
Adjusting procedures
R to be inserted in series with LED is as follows
irrespective of VCC.
R (red) = 360
Ω (Approx. 6 mA)
R (green) = 100
Ω (Approx. 18 mA)
Tr1 should be chosen with PC considered; and
the following transistors are recommended.
Red LED drive 2SD400
Green LED drive 2SD325
This catalog provides information as of June, 2007. Specifications and information herein are subject
to change without notice.
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