lc75396ne Sanyo Semiconductor Corporation, lc75396ne Datasheet
lc75396ne
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lc75396ne Summary of contents
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... Ordering number : EN5914 Overview The LC75396NE is an electronic volume control system providing control over volume, balance, 5-band equalizer, and input switching based on serial inputs. Functions • Volume control: The chip provides 81 levels of volume attenuation step between 0 dB and –79 dB and –∞. ...
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... N Output at maximum attenuation V min O Current drain I DD Input high level current I IH Input low level current I IL LC75396NE = Conditions V DD CL, DI, CE CL, DI, CE CL, DI R5, LTIN, RTIN, LFIN, RFIN, LRIN, RRIN CL CL, DI, CE CL, DI ...
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... Sample Application Circuit LC75396NE No. 5914-3/19 ...
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... Test Circuits Total Harmonic Distortion LC75396NE No. 5914-4/19 ...
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... Output Noise Voltage LC75396NE No. 5914-5/19 ...
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... Crosstalk LC75396NE No. 5914-6/19 ...
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... Pin Assignment LC75396NE No. 5914-7/19 ...
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... Connections for the capacitors that form the equalizer F4 37 LF4C2 band filters 36 LF4C3 Capacitors must be connected between: 10 RF4C1 LF4C1 (RF4C1) and LF4C2 (RF4C2), and between 11 RF4C2 LF4C2 (RF4C2) and LF4C3 (RF4C3). 12 RF4C3 LC75396NE Function Equivalent circuit Continued on next page. No. 5914-8/19 ...
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... When this pin goes from high to low, data is written internal latch and the analog switches operate. Data transfers are enabled when this pin is at the high level • Serial data and clock inputs for chip control LC75396NE Function ) to handle power supply ripple in the SS Equivalent circuit No. 5914-9/19 ...
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... Equivalent Circuit Diagram Selector Control Block Equalizer Control Block LC75396NE No. 5914-10/19 ...
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... Volume Control Block Calculating the Size of External Capacitors The LC75396NE supports four bands with peaking characteristics and one band with shelving characteristics 1. Peaking Characteristics (bands F1 to F4) The external capacitor functions as the structural element of a simulated inductor. The equivalent circuit and the calculations required to achieve the desired center frequency are shown below. • ...
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... Achieving the desired control of 2-dB steps over the range between + –10 dB requires choosing a capacitor, C3, with an impedance of 650 Ω. Control System Timing and Data Formats To control the LC75396NE, specified sequences are required to be input through the pins CE, CL, and DI. Each sequence consists of 48 bits: an 8-bit address followed by 40 bits of data. LC75396NE ...
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... This product uses an 8-bit address code, and supports the same specifications as other Sanyo CCB serial bus products. Address code (LSB) 2. Control Code Allocations Input switching control Input switching control Five band equalizer control LC75396NE Operation Operation Band f1 Band f2 Band f3 Band f4 Band f5 ...
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... Address 01000001 Data: (Set the volume to – , set both D34 and D35 to 0, and set all other data to 0) After transferring that data, set the left and right channel initial settings before turning off the mute function. LC75396NE Operation Initial setting ...
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... Center Frequency) Characteristics O Volume Step Characteristics Flat overall When step = –∞ Front and rear volume set to –∞ LC75396NE THD – Frequency Characteristics (1) 80-kHz low pass weighting Gain Graphic equalizer: flat No. 5914-15/19 ...
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... Frequency, f — Hz THD – Supply Voltage Characteristics (1) 80-kHz low pass weighting Gain Graphic equalizer: flat Supply voltage, V — LC75396NE THD – Frequency Characteristics (3) 80-kHz low pass weighting Gain Volume position All bands boosted All bands cut Flat Frequency, f — ...
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... Gain Volume: –10 dB position Graphic equalizer: flat Input level, V — dBV IN LC75396NE THD – Input Level Characteristics (1) 80-kHz low pass weighting Gain Volume position Graphic equalizer: flat Input level, V THD – Input Level Characteristics (3) ...
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... After transferring that data, set the left and right channel initial settings before turning off the mute function. • Provide grounding patterns or shielding for the lines to the CL, DI, and CE pins prevent their high-frequency digital signals from interfering with the operation of nearby analog circuits. LC75396NE 80-kHz low pass weighting Gain Volume: – ...
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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 May, 1998. Specifications and information herein are subject to change without notice. LC75396NE No. 5914-19/19 ...