lc75374e Sanyo Semiconductor Corporation, lc75374e Datasheet
lc75374e
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lc75374e Summary of contents
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... Ordering number : EN5835 Electronic Volume and Tone Control for Car Stereos Overview The LC75374E is an electronic volume and tone control circuit that provides volume, balance, fader, bass and treble, super bass, input switching, and input and output level controls and requires a minimal number of external components to implement these functions ...
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... Output impedance R O [Bass and Treble Control Block] Bass control range Gbass Treble control range Gtre Output load resistance R L Output impedance R O LC75374E = Conditions V DD CL, DI, CE When Ta ≤ 85°C and mounted on a printed circuit board = Conditions V DD CL, DI, CE ...
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... Output at maximum attenuation Vo min Output noise voltage High-level input voltage I IH Low-level input voltage I IL Pin Assignment LC75374E = Conditions Max. Boost LSB2, RSB2 : kΩ kHz Vrms Vrms kHz, All controls flat overall Vrms kHz, All controls flat overall kΩ ...
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... Equivalent Circuit LC75374E No. 5835-4/17 ...
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... Control System Timing and Data Format Applications must input the stipulated serial data to the CE, CL, and DI pins to control the LC75374E. The data consists of a total of 52 bits, of which 8 bits are address and 44 bits are data. Address code Fader step control Bass control ...
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... Right channel super bass output and compensation capacitor connection 11 RSB2 22 LSIN • Super bass input 7 RSIN • These inputs must be driven by low-impedance circuits. 28 LTOUT • Tone control outputs 6 RTOUT LC75374E Description V ) used for the analog ground remove power SS Notes Continued on next page. No. 5835-6/17 ...
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... CE analog switches operate when this pin goes from high to low. Data transfers are enabled when this pin is high • Unused pins. These pins must be connected • Unused pins. These pins must be left open. LC75374E Description . SS Notes No. 5835-7/17 ...
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... Input Block Equivalent Circuit LC75374E The right channel is identical. No. 5835-8/17 ...
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... Main Volume Control Block Equivalent Circuit LC75374E Switch used for initial settings Switch used for initial settings To the tone control block The right channel is identical. No. 5835-9/17 ...
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... Tone Block Equivalent Circuit LC75374E From the main volume control block The right channel is identical. No. 5835-10/17 ...
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... Super Bass Block Equivalent Circuit LC75374E The right channel is identical. No. 5835-11/17 ...
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... Fader Volume Control Block Equivalent Circuit At the point that data corresponding to –∞ is transferred to the 1dB –step main volume control block, S1 and S2 will go to the open state. S3 and S4 will go to the on state at the same time. LC75374E Sample calculation Assume 64.5 kΩ, and ...
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... Applications must only send the actual initial data after this initialization data has been sent. • Applications must either cover the CL, DI, and CE lines with the ground pattern or use shielded cables for these lines to prevent the high-frequency digital signals that are transmitted over these lines from entering the analog signal system. LC75374E No. 5835-13/17 ...
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... Selector Fader Super volume + gain volume + tone bass control control control block block block block LC75374E Fader Volume Control Step Characteristics Overall Volume set level — dB Main Selector volume + gain + tone control control block block Output Gain Control Step Characteristics Overall Set level — ...
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... Supply voltage, V — Main Selector Super volume + gain + tone bass control control block block block LC75374E Total Harmonic Distortion - Input Level Characteristics position Selector + gain control block Total Harmonic Distortion - Supply Voltage Characteristics (2) Selector Fader + gain volume control control block ...
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... Bass Characteristics Frequency, f — Hz Main Selector volume + gain + tone control control block block LC75374E Selector Fader + gain volume control control block block Overall Main Fader Selector Super volume volume + gain bass + tone control ...
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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 November, 1998. Specifications and information herein are subject to change without notice. LC75374E PS No. 5835-17/17 ...