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LC7573 Datasheet PDF

Sanyo Electric LC7573

The LC7537N is an electronic control LSI capable of electronically controlling the volume, balance, loudness, fader, bass, and treble functions individually with fewer externally connected component parts.
Part No. LC7573
Datasheet LC7573 Download
Manufacturer
Sanyo Electric
Description Electronic Volume Control
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LC7573 datasheet page 1 preview

FEATURES

● Enables controlling the below-listed functions with 3line serial data, including CE, DI, and CLK. Also, due to 0 V to 5 V swing of the serial data input voltage, permits the use of a general purpose microcomputer. Volume : Separately controls the Lch and Rch volume levels across 81 positions over the 0 dB to –79 dB (in 1 dB steps) range and –∞, and consequently also serves balance control purposes. Loudness : By virtue of a center tap provided at the –20 dB position of the volume controlling ladder resistors, permits loudness to be controlled with externally connected CR components. Fader : By varying only the rear or front output level across 16 positions, provides fader functions (in 2 dB steps over the 0 dB to –20 dB range, and 5 dB steps over the –20 dB to –45 dB range, and at –∞, for a total of 16 positions). Bass/Treble : With CR components externally connected, forms an NF type tone control circuit (Baxandall type) to exercise control across 15 positions over both the bass and treble functions in 2 dB steps.
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