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Ordering number:ENN1507C
Monolithic Digital IC
LB1408
Level Meter
Features
* An input amplifier is built in. * Minimum number of external parts required. * Low current dissipation because of series connection of LED's.
Package Dimensions
unit:mm 3006C-DIP16
[LB1408]
19.0 16 9
1.09
3.4 3.65max (3.0)
1.2
0.51min
(0.61)
2.54
0.48
Specifications
Absolute Maximum Ratings at Ta = 25C
Parameter Maximum supply voltage Maximum input voltage D pin output current D pin output voltage Reference flow-out current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VIN max ID max VD max Iref max Pd max Topr Tstg (Pin 3) (Pin 2) Output transistor ON (Pin 4) Conditions
SANYO : DIP16
Ratings -0.3 to +18.0 -0.3 to VCC 0 to +30 -0.3 to VCC -0.3 to 0 1.2 -30 to +80 -40 to +125
0.25
1
8
6.4
Unit V V mA V mA W
C C
Allowable Operating Ranges at Ta = 25C
Parameter Supply voltage Symbol VCC Conditions Ratings 6.7 to 16.0 Unit V
Electrical Characteristics at Ta = 25C
Parameter Current drain Input bias current Reference voltage Symbol ICC IIN Vref Conditions Quiescent, pin 3 3.3k across ILED1 and Vref Pin 2 Pin 4 -10 4.40 4.85 Ratings min typ 4 max 8 0 5.30 Unit mA A V
Continued on next page.
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
31501TN(KT)/D0994HK/8277KI/4034KI,TS No.1507-1/4
7.62
LB1408
Continued from preceding page.
Parameter D pin current 1 Output saturation voltage D pin current 2 Out pin impedance Input sensitivity Comparator level D1 D2 D3 D4 D5 D6 D7 Output leakage current D pin current 3 D pin current 4 VT1 VT2 VT3 VT4 VT5 VT6 VT7 IDL1, 3, 5 ID7 ID7 Input voltage at which LED of D5 is lighted is taken as 0dB. Input voltage at which LED of D5 is lighted is taken as 0dB. Input voltage at which LED of D5 is lighted is taken as 0dB. Input voltage at which LED of D5 is lighted is taken as 0dB. Input voltage at which LED of D5 is lighted is taken as 0dB. Input voltage at which LED of D5 is lighted is taken as 0dB. Input voltage at which LED of D5 is lighted is taken as 0dB. VIN=0V, pins 6, 10, 12 3.3k across ILED1 and Vref ILED2=open, pin14 ILED2=open, pin14, VCC=6.7V, VD6=0.7V, pin14 -26 -12 -7 -3.5 0 2.5 5 0 4.5 4.5 6.0 -20 -10 -6 -3.0 0 3.0 6 -14 -8 -5 -2.5 0 3.5 7 10 8.0 8.0 dB dB dB dB dB dB dB A mA mA Symbol ID2, 4, 7 VsatD 1, 3, 5, 6 ID2, 4, 7 ROUT VIN5 Conditions 3.3k across ILED1 and Vref ILED2=GND, pins 7, 11, 14 ILED2=GND, pins 6, 10, 12, 13 ILED2=GND, VCC=6.7V, VD1, 3, 6=0.9V, pins 7, 11, 14 Pin 1 Input voltage at which LED of D5 is lighted 12 8 119 12 132 Ratings min 12 typ 16 1.0 max 19 1.3 19 16 145 Unit mA V mA k mV
No.1507-2/4
LB1408
Equivalent Circuit Block Diagram and Sample Peripheral Circuit
Sample Application Circuit
Note :ID=6mA typ. (D5, D6, D7) when ILED2 (pin 16) is open. ID=16mA typ. (D5, D6, D7) when ILED2 (pin 16) is grounded.
No.1507-3/4
LB1408
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 expor ted without obtaining the expor t 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 March, 2001. Specifications and information herein are subject to change without notice.
No.1507-4/4

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