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Ordering number:ENN1374E
CMOS IC
LC7533
3V Electronic Volume Control
Use
*Attenuation of signal.
Package Dimensions
(unit:mm) 3006C-DIP16
[LC7533]
19.0 16 9
Features
* CMOS process 3V typ. operation. * Up/down operation is performed with SW input. * 4-bit, 16-step counter. Step 6 * is set with initial input(INIT). * Center tap provided. * Maximum attenuation : -60dB or less. * Attenuation curve : Pseudo curve A. Left/right simultaneous setting. * : Step 6 means mode 6.
1.09
1.2
3.4 3.65max
0.51min
(3.0)
(0.61)
2.54
0.48
Specifications
Absolute Maximum Ratings at Ta = 25C
Parameter Maximum supply voltage Supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VDD max VI Pd max Topr Tstg Conditions
SANYO : DIP16
Ratings VSS to 6 VSS to VDD 100 -30 to +75 -40 to +125
0.25
1
8
6.4
Unit V V mW
C C
Allowable Operating Conditions at Ta = 25C
Parameter Supply voltage Input high-level voltage Input low-level voltage Symbol VDD VIH1 VIH2 VIL1 VIL2 INIT, CE pin UP, DN, CR pin INIT, CE UP, DN, CR Conditions Ratings 2.1 to 5.0 0.7VDD to VDD 0.9VDD to VDD 0 to 0.3VDD VSS to 0.1VDD Unit V V V V V
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
51501TN (KT)/N111JN/1250TA/7048YT/7235MW/9034KI/9303KI,TS No.1374-1/3
7.62
LC7533
Electrical Characteristics at Ta = 25C
Parameter Signal distortion Output at attenuation mode Signal transmit delay time Input impedance Output noise voltage Input high-level current Input low-level current Attenuation balance Channel balance Symbol THD1 THD2 XOUT td ri VNO IIH IIL V VO IDD IDD BACK UP CT TUP/DN TINIT Conditions VDD=3V, RL=50k, f=1kHz VDD=2.1V, RL=50k, f=1kHz 0dBm input, 1kHz, 51k load Between IN and OUT, no load UP, DN, CE only VDD=3V, RL=50k, STEP" 0" CE pin, VDD=3V, VI=3V UP, DN pin, VDD=3V, VI=0V Pins OUT1, 2, other than STEP" 0" (Note1) Between pins OUT1, 2, other than STEP" 0" (Note2) VDD=3V, CE=VDD, INIT=VDD, other pins:OPEN VDD=3V, CE=VSS, INIT=VDD, other pins:OPEN VDD=1.5V, VSS=-1.5V, VM=0V, f=1k, 1Vrms input, test side input : 1k short T=(CR oscillation cycle) UP, DN pin INIT pin 2 85 1.5T -55 -2 -2 0 +2 +2 1 1 100 1 -60 1 400 8 40 Ratings min typ max 0.5 Unit % % dB s k V A A dB dB mA A dB ms s
Current drain
Crosstalk between channels Minimum pulse width
Note 1 (1) V=20log10 VOUT/VTYP VOUT : OUT1(OUT2) output level VTYP : Standard output level (2) Satisfy VOUT(STEP N) < VOUT (STEP N + 1)
Note 2 (1) VO=20log10 VOUT1/VOUT2
Pin Assignment
Note 1 : No bonding exists on the inside of NC pin. It is recommended that the outside should be shorted to VDD, VSS, etc. on the printed circuti board.
Pin Description
Pin Name IN1, IN2 OUT1, OUT2 VM1, VM2 CT1, CT2 CE INIT UP DN CR VDD VSS NC Pin Number 4, 12 7, 9 6, 10 5, 11 3 13 16 14 15 2 8 1 Input pin for volume control Output pin for volume control Bias pin. When operated from single supply, 1/2VDD is applied to this pin. Tap pin provided at the center of volume control. By connecting C and R to this pin, the loudness can be controlled. When this pin is set to " L" , the current drain is reduced. This pin must be " L" at backup mode. Initial pin. When set to " L" , the 6th step is reached. When the level on this pin is made to fall, the step rises and the volume goes up. When held at " L" , the volume goes up; if set to " H" , the volume stops going up at a step reached at that moment. The step stops at the MSB position. The DN operation is the reverse of UP. when the UP, DN are set to " L" at the same time, the UP is given priority.The step stops at the LSB position. Pin for connecting R, C on which the rate of step depends. Power supply pin (+) Ground No bonding exists on the inside of NC pin. Connected to VDD or VSS is recommended. Description
No.1374-2/3
LC7533
Equivalent Circuit Block Diagram [Common to LC7533] Sample Application Circuit [LC7533 DIP16]
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 May, 2001. Specifications and information herein are subject to change without notice.
No.1374-3/3

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