PDF CDB4351 Data sheet ( Hoja de datos )

Número de pieza	CDB4351
Descripción	STEREO DAC
Fabricantes	Cirrus Logic
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Hay una vista previa y un enlace de descarga de CDB4351 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas
No Preview Available ! www.DataSheet4U.com CS4351 192 kHz Stereo DAC with 2 Vrms Line Out Features z Multi-bit Delta-Sigma Modulator z 24-Bit Conversion z Up to 192 kHz Sample Rates z 112 dB Dynamic Range z -100 dB THD+N z +3.3 V, +9 to 12 V, and VL Power Supplies z 2 Vrms Output into 5 kΩ AC Load z Digital Volume Control with Soft Ramp – 119 dB Attenuation – 1/2 dB Step Size – Zero Crossing Click-Free Transitions z ATAPI Mixing z Low Clock Jitter Sensitivity z Popguard Technology® for Control of Clicks and Pops I Description The CS4351 is a complete stereo digital-to-analog sys- tem including digital interpolation, fifth-order multi-bit delta-sigma digital-to-analog conversion, digital de-em- phasis, volume control, channel mixing, analog filtering, and on-chip 2 Vrms line level driver. The advantages of this architecture include: ideal differential linearity, no distortion mechanisms due to resistor matching errors, no linearity drift over time and temperature, high toler- ance to clock jitter, and a minimal set of external components. These features are ideal for cost-sensitive, 2-channel audio systems including DVD players, A/V receivers, set-top boxes, digital TVs and VCRs, mini-component systems, and mixing consoles. ORDERING INFORMATION CS4351-CZ -10 to 70 °C 20-pin TSSOP CS4351-CZZ, Lead Free -10 to 70 °C 20-pin TSSOP CDB4351 Evaluation Board 1.8 V to 3.3V Hardware or I2C/SPI Control Data Reset Serial Audio Input 3.3 V Register/Hardware Configuration PCM Serial Interface Interpolation Filter with Volume Control Interpolation Filter with Volume Control Multibit ∆Σ Modulator Multibit ∆Σ Modulator Auto Speed Mode Detect 9 V to 12 V DAC Amp + Filter 2 Vrms Line Level Left Channel Output DAC Amp + Filter 2 Vrms Line Level Right Channel Output Internal Voltage Reference External Mute Control Left and Right Mute Controls Preliminary Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. http://www.cirrus.com Copyright © Cirrus Logic, Inc. 2004 (All Rights Reserved) Sep ‘04 DS566PP2 1 page CS4351 LIST OF TABLES Table 1. Revision History ...............................................................................................................2 Table 2. CS4351 Auto-Detect .......................................................................................................16 Table 3. CS4351 Mode Select ......................................................................................................16 Table 4. Single-Speed Mode Standard Frequencies ....................................................................17 Table 5. Double-Speed Mode Standard Frequencies...................................................................17 Table 6. Quad-Speed Mode Standard Frequencies .....................................................................17 Table 7. Digital Interface Format - Stand-Alone Mode..................................................................18 Table 8. Digital Interface Formats .................................................................................................27 Table 9. ATAPI Decode ................................................................................................................29 Table 10. Example Digital Volume Settings ..................................................................................31 DS566PP2 5 5 Page CS4351 SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE Parameters MCLK Frequency MCLK Duty Cycle Input Sample Rate (Manual selection) Input Sample Rate (Auto selection) LRCK Duty Cycle SCLK Pulse Width Low SCLK Pulse Width High SCLK Period SCLK rising to LRCK edge delay SCLK rising to LRCK edge setup time SDIN valid to SCLK rising setup time SCLK rising to SDIN hold time Symbol Single-Speed Mode Double-Speed Mode Quad-Speed Mode Single-Speed Mode Double-Speed Mode Quad-Speed Mode Fs Fs Fs Fs Fs Fs Single Speed Mode Double Speed Mode Quad Speed Mode tsclkl tsclkh tsclkw tsclkw tsclkw tslrd tslrs tsdlrs tsdh Min 1.024 45 4 50 100 4 84 170 40 20 20 (---1---2----81---)---F----s- (---6---4--1--)--F----s-- M------C--2---L---K--- 20 20 20 20 Max Units 51.2 MHz 55 % 50 kHz 100 kHz 200 kHz 50 kHz 100 kHz 200 kHz 60 % - ns - ns -- -- -- - ns - ns - ns - ns LRCK SCLK SDATA t slrd t sdlrs t slrs t sclkh t sclkl t sdh Figure 1. Serial Input Timing DS566PP2 11 11 Page

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