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LC75373E Arkusz danych(PDF) 1 Page - Sanyo Semicon Device |
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LC75373E Arkusz danych(HTML) 1 Page - Sanyo Semicon Device |
1 / 21 page CMOS LSI Ordering number : EN5588 22798HA (OT) No. 5588-1/21 SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN Electronic Volume Control for Car Stereo Systems LC75373E Overview The LC75373E is an electronic volume control that can implement volume, balance, fader, bass/treble + super bass, loudness, input switching, and input/output level control functions with a minimal number of external components. Functions • Volume: Provides 81 positions, from 0 dB to –79 dB (in 1-dB steps) and – ∞. A balance function can be implemented by controlling the left and right channels independently. • Fader: This function can attenuate either the rear or the front outputs over 16 positions. (From 0 to –20 dB in 2-dB steps, from –20 to –25 dB in one 5-dB step, from –25 to –45 dB in 10-dB steps, –60 dB, and – ∞.) • Bass/treble: Forms an NF-type tone control circuit with the addition of external capacitors. The base and treble controls each have 15 positions. • Input gain: The input signal can be amplified from 0 dB to +18.75 dB in 1.25 dB steps. • Output gain: One of two output of 0 dB and + 6.5 dB can be selected for fader output. • Input switch: The signal can be selected from one of four inputs for each of the left and right channels. • Super bass: The position of super bass can be controlled in 11 steps. Features • On-chip buffer amplifiers for a minimum of external components. • Built-in reference voltage generation circuit • Serial data input: Supports CCB format communication with the system controller. Package Dimensions unit: mm 3148-QFP44MA SANYO: QIP44MA [LC75373E] • CCB is a trademark of SANYO ELECTRIC CO., LTD. • CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO. Specifications Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V Parameter Symbol Conditions Ratings Unit Maximum supply voltage VDD max VDD 11 V Maximum input voltage VIN max CL, DI, CE VSS – 0.3 to VDD + 0.3 V Operating temperature Topr –40 to +85 °C Storage temperature Tstg –50 to +125 °C |
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