la2657m Sanyo Semiconductor Corporation, la2657m Datasheet
la2657m
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la2657m Summary of contents
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... LA2657M Overview The LA2657M is a car audio signal processing IC that integrates a BBE sound processor with the functions of the SANYO LC75421 IC. The main functions provided by the LA2657M include an input block, input gain adjustment, tone controls, super bass, balance control, volume control, fader, and the BBE sound processor. ...
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... Treble range Gtre Super bass range Crange Total harmonic distortion THDE Crosstalk CTE Output at maximum attenuation V O minE Output noise voltage VN-1 VN-2 LA2657M Conditions Pin 21 Pin 47 Pin 21 Pin 47 CL (49), DI (50), CE (51) BBE (23) CL (49), DI (50), CE (51), BBE (23) Conditions Pin 21 BBE on BBE off BBE on THD = 1% ...
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... Package Dimensions unit : mm (typ) 3159A 17.2 14 0.8 0.35 (1.0) SANYO : QIP64E(14X14) Block Diagram LA2657M 0.15 No.8078-3/8 ...
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... R-VOL1 for the BBE chip connections whatsoever may be made to NC pins The input function uses items The BBE chip must be operated within ranges such that the pin 36 and pin 37 output levels never exceed 2.5V rms in bypass mode. LA2657M No Pin [15] 33 [16] 34 ...
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... HPF-OUT (R) VREF 41 HPF-OUT (L) 30 LPF (R) VREF 40 LPF (L) LA2657M Description Reference voltage The BBE function will be on when a 3V level is applied. This voltage must not be applied when not applied. Input pins Bandpass filter capacitor connection Amplifier inverting input Bandpass filter output High-pass filter output NF resistor = 21.5kΩ ...
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... LPF-OUT (R) VREF 38 LPF-OUT (L) 34 MIX-IN (R) VREF 37 MIX-IN (L) 35 OUTPUT (R) VREF 36 OUTPUT ( See the LC75421 datasheet for details on the EVR block pin functions. LA2657M Description Low-pass filter output Mixer amplifier input Amplifier inverting input Output pins Equivalent circuit No.8078-6/8 ...
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... Sample Application Circuit LA2657M 56k to 10kΩ 56k to 10kΩ No.8078-7/8 ...
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... 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 February, 2007. Specifications and information herein are subject to change without notice. LA2657M PS No.8078-8/8 ...