lc75281e Sanyo Semiconductor Corporation, lc75281e Datasheet
lc75281e
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lc75281e Summary of contents
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... Ordering number : EN5913 Overview The LC75281E is a four-band stereo parametric equalizer. A parametric equalizer is a fully general equalizer that allows all three parameters that define an equalizer’s characteristics, i.e., the center frequency, gain, and set independently. Functions • Four-band (low, low mid, high mid, and high) left and right channels parametric equalizer • ...
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... Pin Assignment LC75281E No. 5913-2/10 ...
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... Left channel low band control block. 2 LLC4 External capacitor connections. 3 LLC3 4 LLC5 5 LLMC2 6 LLMC1 Left channel low mid band control block. 7 LLMC4 External capacitor connections. 8 LLMC3 LC75281E = Symbol Conditions V max max LIN, RIN max CL, CE ≤ 85°C Pd max ...
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... LOUT Left channel audio signal output (Must be received with a low load capacitance.) 50 ROUT Right channel audio signal output (Must be received with a low load capacitance.) IC test pin. 28 TEST This pin must be left open when not used for IC test. LC75281E Function . SS No. 5913-4/10 ...
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... Block Diagram LC75281E Low band Low mid band High mid band High band The blocks enclosed in dotted lines are identical. No. 5913-5/10 ...
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... External capacitor calculations Figure a shows the LC75281E internal f0 control circuit. The center frequency f0 can be set to one of 11 frequencies in 1/3 octave steps by switching the resistors in the figure. The value of the external capacitor C is determined by substituting the desired center frequency in the following formula. ...
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... Data Input Procedure The LC75281E is controlled by inputting the stipulated serial data to the CE, CL, and DI pins. The data consists of 28 bits, of which 8 bits are the address and 20 bits are the data. Address code Normal/2 control * Normal 2 Band selection and peaking/shelving selection : Low (Peaking) ...
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... Sample Application Circuit LC75281E No. 5913-8/10 ...
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... Frequency, f — Hz Center Frequency Characteristics (Shelving) Low band Vin = – External capacitor 0.047 µF Settings ± Frequency, f — Hz LC75281E Gain Characteristics (Shelving) Low band Vin = – External capacitor 0.047 µF Settings f11 Frequency, f — Characteristics (Shelving Frequency, f — Hz ...
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... 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 October, 1998. Specifications and information herein are subject to change without notice. LC75281E No. 5913-10/10 ...