lc78835km Sanyo Semiconductor Corporation, lc78835km Datasheet
lc78835km
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lc78835km Summary of contents
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... SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN LC78835K, 78835KM 18 Bits Digital Filter and D/A Converter Package Dimensions unit: mm 3092-DIP24W converter (with unit: mm 3155-MFP24 73696HA (OT)/N1094TH (OT)/82793JN No. 4624-1/14 CMOS IC for Digital Audio [LC78835K] SANYO: DIP24W [LC78835KM] SANYO: MFP24 ...
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Specifications Absolute Maximum Ratings 25°C, V Parameter Maximum supply voltage Input voltage Output voltage Operating temperature Storage temperature Allowable Operating Ranges Parameter Symbol Supply voltage V DD Reference voltage high Vref H Reference voltage low Vref L ...
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Audio Input Waveforms Electrical Characteristics ( 25° refH DD DD Parameter Symbol D/A converter resolution RES Total harmonic distortion THD Dynamic range DR Crosstalk CT Signal-to-noise ratio S/N Full-scale output voltage VFS ...
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Electrical Characteristics ( 25° VrefH 3.5 V, AGND = DGND = VrefH = 0 V, unless otherwise specified DD DD Parameter Symbol D/A converter resolution RES Total harmonic distortion THD Dynamic range DR ...
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Pin Description Number Name 1 REFH Reference voltage “H” pin Normally connected to AGND via a capacitor 2 VrefH Reference voltage “H” input pin 3 MUTE Mute signal input pin Soft mute is on when high 4 D/N Normal/double-speed operation ...
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Description of Operation 1. Digital Filter The LC78835K and 78835KM perform arithmetic functions as shown in the following block diagrams. • Oversampling Constructed of twice as many interpolation filters with a cascade connection arrangement using finite-impulse- response (FIR) filters. When ...
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For further details concerning filter characteristics when de-emphasis is on, refer to page 13. — De-emphasis on/off De-emphasis on: EMP pin = “H” De-emphasis off: EMP pin = “L” — Selection of filter coefficient FS1 FS2 L ...
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Initialization Initialization is necessary when power is applied or the system clock is replaced. When the INITB pin has been set to an “L” level, the supply to XIN, BCLK, and LRCK should be connected only after the supply ...
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Digital Audio Data Input Digital audio data supports MSB first and 2’s complement code using a 16-bit serial signal. 16-bit serial data is input from the DATA pin at the edge of BCLK rising and is input to the ...
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Digital-to-Analog (D/A) Converter These chips have built-in output operational amplifiers which use two independent on-chip D/A converters for CH1 and CH2. Both use dynamic level shift, combining resistance strings (R-string D/A conversion), pulse-width modulation (PWM D/A conversion) and level ...
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Pulse-Width Modulation (PWM) D/A Converter This is a 3-bit circuit that applies pulse width modulation to voltages V2 and V1 output from the R-string D/A converter to produce an 8-way division. Depending on the value of the data in ...
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Filter Characteristics (theoretical values) Normal-rate mode oversampling Double-rate mode oversampling Ripple: within ±0.05 dB Attenuation amount: – less •Normal Rate (De-emphasis Off) •Double Rate (De-emphasis Off) LC78835K, 78835KM No. 4624-12/14 ...
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Pass Band Characteristics with De-emphasis On • Normal Rate Sample Application Circuit Note: 1. Within the sample application circuit, DV AGND as the analog ground. 2. For AV and VrefH, a low-impedance high-stability power supply (commercially available 3-pin regulator or ...
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No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property ...