View LC75342M_6285579.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

ordering number : enn * 6271 d2499rm (ot) no. 6271-1/20 overview the lc75342 and LC75342M are electronic volume and tone control systems that provide volume, balance, a 2- band equalizer, and input switching functions that can be controlled from serially transferred data. functions volume: 0 db to ?9 db (in 1-db steps) and , for a total of 81 settings. the volume can be controlled independently in the left and right channels to implement a balance function. bass boost: up to +20 db in 2-db steps. peaking characteristics. treble: ?0 db in 2-db steps. shelving characteristics. selector: one of four sets of left/right inputs can be selected. input gain: the input signal can be boosted by from 0 db to +30 db in 2-db steps. features on-chip buffer amplifiers minimize the number of external components. fabricated in a silicon gate cmos process to minimize switching noise from internal switches. built-in analog ground reference voltage generation circuit. all controls can be set from serially transferred data. supports the ccb standard. package dimensions unit: mm 3196-dip30sd unit: mm 3216-mfp30s 1 15 30 16 1.14 1.78 27.2 0.25 10.16 8.6 0.48 0.95 3.25 3.0 3.95max preliminary sanyo: dip30sd [lc75342] 0.15 15.3 115 30 16 0.65 1.0 0.35 2.5max 2.15 0.1 0.65 7.9 9.2 10.5 sanyo: mfp30s [LC75342M] lc75342, 75342m sanyo electric co.,ltd. semiconductor company tokyo office tokyo bldg., 1-10, 1 chome, ueno, taito-ku, tokyo, 110-8534 japan single-chip volume and tone control system cmos ic 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? 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. ccb is a trademark of sanyo electric co., ltd. ccb is a sanyo? original bus format and all the bus addresses are controlled by sanyo.
no. 6271-2/20 lc75342, 75342m specifications absolute maximum ratings at ta = 25?, v ss = 0 v parameter symbol pin conditions ratings unit min typ max supply voltage v dd v dd 4.5 10 v high-level input voltage v ih cl, di, ce 2.7 10 v low-level input voltage v il cl, di, ce 7.5 v dd 10.0 v ss 1.0 v 4.5 v dd < 7.5 v ss 0.8 input voltage amplitude v in ce, di, cl, l1 to l4, v ss v dd vp-p r1 to r4, lin, rin input pulse width t? cl 1 s setup time tsetup cl, di, ce 1 s hold time thold cl, di, ce 1 s operating frequency fopg cl 500 khz allowable operating ranges at ta = ?0 to +75?, v ss = 0 v parameter symbol pin conditions ratings unit min typ max input resistance rin l in , r in 50 k volume control block parameter symbol pin conditions ratings unit min typ max control range geq max.boost ?8 ?0 ?2 db step resolution estep 1 2 3 db internal feedback resistance rfeed 66.6 k bass band equalizer control block parameter symbol pin conditions ratings unit min typ max control range geq max.boost/cut ? ?0 ?2 db step resolution estep 1 2 3 db internal feedback resistance rfeed 51.7 k treble band equalizer control block parameter symbol pin conditions ratings unit min typ max maximum input gain gin max +30 db step resolution gstep +2 db input resistance rin l1, l2, l3, l4 50 k r1, r2, r3, r4 clipping level vcl lsel0, rsel0 thd = 1.0%, f = 1 khz 2.90 vrms output load resistance rl lsel0, rsel0 10 k electrical characteristics at ta = 25?, v dd = 9 v, v ss = 0 v input block parameter symbol pin conditions ratings unit maximum supply voltage v dd max v dd 11 v maximum input voltage v in max ce, di, cl, l1 to l4, v ss ?0.3 to v dd + 0.3 v r1 to r4, lin, rin ta 75? lc75342 450 allowable power dissipation pdmax ta 75? LC75342M 450 mw with a pcb * operating temperature topr ?0 to +75 ? storage temperature tstg ?0 to +125 ? note: * printed circuit board size: 76.1 114.3 1.6 mm, printed circuit board material: glass/epoxy resin
no. 6271-3/20 lc75342, 75342m parameter symbol conditions ratings unit min typ max total harmonic distortion thd v in = 1 vrms, f = 1 khz, all flat overall 0.01 % crosstalk ct v in = 1 vrms, f = 1 khz, rg = 1 k , all flat overall 80 db output noise voltage v n all flat overall, 80 khz, l.p.f 9.3 ? maximum attenuation vomin all flat overall, f = 1 khz ?0 db current drain i dd v dd ?v ss = +10 v 37 ma high-level input current i ih cl, di, ce: v in = 10 v 10 a low-level input current i il cl, di, ce: v in = 0 v ?0 ? overall characteristics pin assignment (top view) lc75342, 75342m
no. 6271-4/20 lc75342, 75342m equivalent circuit control circuit logic circuit ccb interface control circuit micro- controller
control system timing and data format applications control the lc75342 and LC75342M by applying the stipulated serial data to the cl, di, and ce pins. this data consists of a total of 40 bits, of which 8 bits are the address and 32 bits are the data itself. address code (b0 to a3) the lc75342 and LC75342M have an 8-bit address code, and can be used together with other ics that support the sanyo ccb serial bus format. address code (lsb) (82hex) no. 6271-5/20 lc75342, 75342m b0 b1 b2 b3 a0 a1 a2 a3 01000001 control code allocation input switching control (l1, l2, l3, l4, r1, r2, r3, r4) d0 d1 d2 d3 operation 0 0 0 0 l1 (r1) on 1 0 0 0 l2 (r2) on 0 1 0 0 l3 (r3) on 1 1 0 0 l4 (r4) on 0 0 1 0 all switches off 1 0 1 0 all switches off 0 1 1 0 all switches off 1 1 1 0 all switches off
no. 6271-6/20 lc75342, 75342m input gain control d4 d5 d6 d7 operation 0000 0 db 1 0 0 0 +2 db 0 1 0 0 +4 db 1 1 0 0 +6 db 0 0 1 0 +8 db 1 0 1 0 +10 db 0 1 1 0 +12 db 1 1 1 0 +14 db 0 0 0 1 +16 db 1 0 0 1 +18 db 0 1 0 1 +20 db 1 1 0 1 +22 db 0 0 1 1 +24 db 1 0 1 1 +26 db 0 1 1 1 +28 db 1 1 1 1 +30 db
no. 6271-7/20 lc75342, 75342m volume control d8 d9 d10 d11 d12 d13 d14 d15 operation 00000000 0 db 10000000 1 db 01000000 2 db 11000000 3 db 00100000 4 db 10100000 5 db 01100000 6 db 11100000 7 db 00010000 8 db 10010000 9 db 0 1 0 1 0 0 0 0 ?0 db 1 1 0 1 0 0 0 0 ?1 db 0 0 1 1 0 0 0 0 ?2 db 1 0 1 1 0 0 0 0 ?3 db 0 1 1 1 0 0 0 0 ?4 db 1 1 1 1 0 0 0 0 ?5 db 0 0 0 0 1 0 0 0 ?6 db 1 0 0 0 1 0 0 0 ?7 db 0 1 0 0 1 0 0 0 ?8 db 1 1 0 0 1 0 0 0 ?9 db 0 0 1 0 1 0 0 0 ?0 db 1 0 1 0 1 0 0 0 ?1 db 0 1 1 0 1 0 0 0 ?2 db 1 1 1 0 1 0 0 0 ?3 db 0 0 0 1 1 0 0 0 ?4 db 1 0 0 1 1 0 0 0 ?5 db 0 1 0 1 1 0 0 0 ?6 db 1 1 0 1 1 0 0 0 ?7 db 0 0 1 1 1 0 0 0 ?8 db 1 0 1 1 1 0 0 0 ?9 db 0 1 1 1 1 0 0 0 ?0 db 1 1 1 1 1 0 0 0 ?1 db 0 0 0 0 0 1 0 0 ?2 db 1 0 0 0 0 1 0 0 ?3 db 0 1 0 0 0 1 0 0 ?4 db 1 1 0 0 0 1 0 0 ?5 db 0 0 1 0 0 1 0 0 ?6 db 1 0 1 0 0 1 0 0 ?7 db 0 1 1 0 0 1 0 0 ?8 db 1 1 1 0 0 1 0 0 ?9 db 0 0 0 1 0 1 0 0 ?0 db 1 0 0 1 0 1 0 0 ?1 db 0 1 0 1 0 1 0 0 ?2 db 1 1 0 1 0 1 0 0 ?3 db 0 0 1 1 0 1 0 0 ?4 db 1 0 1 1 0 1 0 0 ?5 db 0 1 1 1 0 1 0 0 ?6 db 1 1 1 1 0 1 0 0 ?7 db 0 0 0 0 1 1 0 0 ?8 db 1 0 0 0 1 1 0 0 ?9 db 0 1 0 0 1 1 0 0 ?0 db
no. 6271-8/20 lc75342, 75342m volume control d8 d9 d10 d11 d12 d13 d14 d15 operation 1 1 0 0 1 1 0 0 ?1 db 0 0 1 0 1 1 0 0 ?2 db 1 0 1 0 1 1 0 0 ?3 db 0 1 1 0 1 1 0 0 ?4 db 1 1 1 0 1 1 0 0 ?5 db 0 0 0 1 1 1 0 0 ?6 db 1 0 0 1 1 1 0 0 ?7 db 0 1 0 1 1 1 0 0 ?8 db 1 1 0 1 1 1 0 0 ?9 db 0 0 1 1 1 1 0 0 ?0 db 1 0 1 1 1 1 0 0 ?1 db 0 1 1 1 1 1 0 0 ?2 db 1 1 1 1 1 1 0 0 ?3 db 0 0 0 0 0 0 1 0 ?4 db 1 0 0 0 0 0 1 0 ?5 db 0 1 0 0 0 0 1 0 ?6 db 1 1 0 0 0 0 1 0 ?7 db 0 0 1 0 0 0 1 0 ?8 db 1 0 1 0 0 0 1 0 ?9 db 0 1 1 0 0 0 1 0 ?0 db 1 1 1 0 0 0 1 0 ?1 db 0 0 0 1 0 0 1 0 ?2 db 1 0 0 1 0 0 1 0 ?3 db 0 1 0 1 0 0 1 0 ?4 db 1 1 0 1 0 0 1 0 ?5 db 0 0 1 1 0 0 1 0 ?6 db 1 0 1 1 0 0 1 0 ?7 db 0 1 1 1 0 0 1 0 ?8 db 1 1 1 1 0 0 1 0 ?9 db 00001010 db treble control d16 d17 d18 d19 operation 1 0 1 0 +10 db 0 0 1 0 +8 db 1 1 0 0 +6 db 0 1 0 0 +4 db 1 0 0 0 +2 db 0000 0 db 1 0 0 1 ? db 0 1 0 1 ? db 1 1 0 1 ? db 0 0 1 1 ? db 1 0 1 1 ?0 db
no. 6271-9/20 lc75342, 75342m bass control d20 d21 d22 d23 d24 d25 operation 0 1 0 1 0 0 +20 db 1 0 0 1 0 0 +18 db 0 0 0 1 0 0 +16 db 1 1 1 0 0 0 +14 db 0 1 1 0 0 0 +12 db 1 0 1 0 0 0 +10 db 001000 +8 db 110000 +6 db 010000 +4 db 101000 +2 db 000000 0 db 100010 2 db 010010 4 db 110010 6 db 001010 8 db 1 0 1 0 1 0 ?0 db 0 1 1 0 1 0 ?2 db 1 1 1 0 1 0 ?4 db 0 0 0 1 1 0 ?6 db 1 0 0 1 1 0 ?8 db 0 1 0 1 1 0 ?0 db channel selection d26 d27 operation 00 1 0 rch 0 1 lch 1 1 left and right together test mode d28 d29 d30 d31 operation 0000 these bits are used for ic testing and must all be set to 0 during normal operation.
no. 6271-10/20 lc75342, 75342m pin functions pin no. pin description notes ?input signal connections 14 13 12 11 17 18 19 20 l1 l2 l3 l4 r1 r2 r3 r4 ?connections for the resistors and capacitors that form the bass band filters. 7 6 24 25 lbass1 lbass2 rbass1 rbass2 ?input selector outputs 10 21 lsel0 rsel0 ?volume and equalizer outputs 5 26 lout rout continued on next page. 8 23 ltre rtre ?connections for the capacitors that form the treble band filters. 9 22 lin rin ?volume control and equalizer input
no. 6271-11/20 lc75342, 75342m pin no. pin description notes connection to the 0.5 v dd voltage generator circuit used as the analog signal ground. applications must connect a capacitor of about 10 ? between this pin and v ss to exclude power supply ripple. 28 vref chip enable data is written to the internal latch when this pin goes from high to low. the internal analog switches operate at this point. data transfer is enabled when this pin is high. 2ce serial data and clock inputs used for ic control. 1 30 di cl ground 3 v ss power supply 29 v dd continued from preceding page. electronic volume and tone control testing this pin must be tied to v ss during normal operation. 4 v ss unused. these pins must be left open or connected to v ss during normal operation. 15 16 27 nc
internal equivalent circuits selector block equivalent circuit no. 6271-12/20 lc75342, 75342m the right channel is identical. unit (resistance: k )
no. 6271-13/20 lc75342, 75342m ?treble and bass band block internal equivalent circuit from volume block set switches sw1 and sw3 to the on position for boost, and set switches sw2 and sw4 to the on position for cut. for a flat (0 db) response, set the 0dbsw, sw2, and sw3 switches on. the right channel is identical. unit (resistance: k ) the right channel is identical. unit (resistance: k )
volume block internal equivalent circuit no. 6271-14/20 lc75342, 75342m to treble block the right channel is identical. unit (resistance: )
no. 6271-15/20 lc75342, 75342m test circuits ?total harmonic distortion the right channel is identical. distortion analyzer units (resistance: , capacitnace: f) microcontroller lc75342 LC75342M
no. 6271-16/20 lc75342, 75342m output noise voltage the right channel is identical. units (resistance: , capacitnace: f) noise meter microcontroller lc75342 LC75342M
no. 6271-17/20 lc75342, 75342m crosstalk units (resistance: , capacitnace: f) volt meter the right channel is identical. microcontroller lc75342 LC75342M
bass band circuit this section presents the equivalent circuit and the calculations for the external capacitors and resistors used to achieve a center frequency of 100 hz. bass band equivalent circuit sample calculation specifications center frequency: f0 = 100 hz gain at maximum boost: g = 20 db let r1 = 0, r2 = 66.6 k , and c1 = c2 = c. (1) determine r2 from the fact that g = 20 db. r2 g +20db = 20 log 10 1 + 2r3 r2 66000 r3 = = 3.7 k 2 (10 g+20db/20 ?1) 2 (10 ?1) (2) determine c from the fact that the center frequency f0 = 100 hz. 1 f 0 = 2 r3r2c1c2 11 c = = 0.1 ? 2 f 0 r 3 r 22 100 66000 3700 (3) determine q. r3r2 1 q = 2.1 2 r 3 r 3 r 2 no. 6271-18/20 lc75342, 75342m ()
no. 6271-19/20 lc75342, 75342m -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 -80 -70 -60 -50 -40 -30 -20 -10 0 -45 10 100 1000 10000 -40 -35 -30 -25 -20 -15 -10 -5 -0 5 -10 10 100 1000 10000 100000 -35 -30 -25 -20 -15 -10 -5 0 10 0.001 0.01 0.1 1 100 1000 10000 100000 10 0.001 0.01 0.1 1 100 1000 10000 100000 0.001 4 5 6 7 8 9 10 11 4 5 6 7 8 9 10 11 0.01 0.1 1 0.001 0.01 0.1 1 0.001 -20 -15 -10 -5 0 5 10 0.01 0.1 1 10 - volume control step characteristics step ?db volume attenuation ?db v dd = 9 v v ss = 0 v v in = 0 dbv f = 1 khz all tone control settings flat bass control frequency characteristics frequency, f -?z gain, g ?dbv v dd = 9 v, v ss = 0 v v in = ?0 dbv with external capacitor and resistor values of 0.1 ? and 3.7 k , respectively treble control frequency characteristics frequency, f ?hz gain, g ?dbv v dd = 9 v v ss = 0 v v in = ?0 dbv with an external capacitor value of 2700 pf thd - frequency characteristics (1) total harmonic distortion, thd ?% frequency, f ?hz v dd = 9 v v ss = 0 v v in = 0 dbv 100 khz low-pass weighting all tone control settings flat with the volume control at the ?0 db position with the volume control at the 0 db position thd - frequency characteristics (2) total harmonic distortion, thd ?% frequency, f ?hz v dd = 9 v v ss = 0 v v in = 0 dbv 100 khz low-pass weighting all tone control settings flat with the volume control at the ?0 db position with the volume control at the 0 db position thd - supply voltage characteristics (1) total harmonic distortion, thd ?% supply voltage, v dd ?v v ss = 0 v v in = 0 dbv f = 1 khz 100 khz low-pass weighting all tone control settings flat with the volume control at the 0 db position with the volume control at the ?0 db position thd - supply voltage characteristics (2) total harmonic distortion, thd ?% supply voltage, v dd ?v v ss = 0 v v in = ?0 dbv f = 1 khz 100 khz low-pass weighting all tone control settings flat with the volume control at the ?0 db position with the volume control at the 0 db position thd - input level characteristics (1) total harmonic distortion, thd ?% input level, v in ?dbv v dd = 9 v v ss = 0 v 100 khz low-pass weighting all tone control settings flat f = 20 khz f = 1 khz
this catalog provides information as of december, 1999. specifications and information herein are subject to change without notice. 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? 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? 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 ?elivery 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. ps no. 6271-20/20 lc75342, 75342m 0.001 -20 -15 -10 -5 0 5 10 0.01 0.1 1 10 thd - input level characteristics (2) total harmonic distortion, thd ?% input level, v in ?dbv v dd = 9 v v ss = 0 v 100 khz low-pass weighting all tone control settings flat with the volume control at the ?0 db position f = 20 khz f = 1 khz

▲Up To Search▲

Price & Availability of LC75342M

	To Download LC75342M Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .