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CS4391A Dataheets PDF



Part Number CS4391A
Manufacturers Cirrus Logic
Logo Cirrus Logic
Description 192 kHz Stereo DAC
Datasheet CS4391A DatasheetCS4391A Datasheet (PDF)

CS4391A 24-Bit, 192 kHz Stereo DAC with Volume Control Features Complete Stereo DAC System: Interpolation, D/A, Output Analog Filtering 108 dB Dynamic Range 94 dB THD+N Direct Stream Digital Mode Low Clock Jitter Sensitivity +5 V Power Supply ATAPI Mixing On-Chip Digital De-emphasis for 32, 44.1, and 48 kHz Volume Control with Soft Ramp – 119 dB Attenuation – 1 dB Step Size – Zero Crossing Click-Free Transitions Direct Interface with 5 V to 1.8 V Logic I Description The CS4391A is a complete .

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CS4391A 24-Bit, 192 kHz Stereo DAC with Volume Control Features Complete Stereo DAC System: Interpolation, D/A, Output Analog Filtering 108 dB Dynamic Range 94 dB THD+N Direct Stream Digital Mode Low Clock Jitter Sensitivity +5 V Power Supply ATAPI Mixing On-Chip Digital De-emphasis for 32, 44.1, and 48 kHz Volume Control with Soft Ramp – 119 dB Attenuation – 1 dB Step Size – Zero Crossing Click-Free Transitions Direct Interface with 5 V to 1.8 V Logic I Description The CS4391A is a complete stereo digital-to-analog system including digital interpolation, fourth-order deltasigma digital-to-analog conversion, digital de-emphasis, volume control, channel mixing and analog filtering. The advantages of this architecture include: ideal differential linearity, no distortion mechanisms due to resistor matching errors, no linearity drift over time and temperature and a high tolerance to clock jitter. The CS4391A accepts PCM data at sample rates from 4 kHz to 192 kHz, DSD audio data, consumes very little power and operates over a wide power supply range. These features are ideal for DVD, A/V receivers, CD and set-top box systems. ORDERING INFORMATION CS4391A-KS 20-pin SOIC -10 to 70 °C CS4391A-KZ 20-pin TSSOP -10 to 70 °C CS4391A-KZZ 20-pin TSSOP, Lead Free -10 to 70 °C CDB4391A Evaluation Board M1 M2 M0 (SDA/CDIN) M3 (SCL/CCLK) (AD0/CS) AMUTEC BMUTEC CMOUT FILT+ RST SCLK LRCK SDATA MODE SELECT (CONTROL PORT) EXTERNAL MUTE CONTROL REFERENCE SERIAL PORT INTERPOLATION FILTER INTERPOLATOR FILTER VOLUME CONTROL MIXER VOLUME CONTROL ∆Σ DAC ∆Σ DAC ANALOG FILTER ANALOG FILTER AOUTA+ AOUTA- AOUTB+ AOUTB- MCLK Preliminary Product Information www.cirrus.com This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. ©Copyright Cirrus Logic, Inc. 2004 (All Rights Reserved) JUL ‘04 DS600PP3 1 CS4391A TABLE OF CONTENTS 1. CHARACTERISTICS/SPECIFICATIONS ................................................................................. 5 2. TYPICAL CONNECTION DIAGRAMS ................................................................................... 13 3. REGISTER QUICK REFERENCE .......................................................................................... 15 3.1 Mode Control 1 (address 01h) .......................................................................................... 15 3.2 Volume and Mixing Control (address 02h)........................................................................ 16 3.3 Channel A Volume Control (address 03h) ........................................................................ 16 3.4 Channel B Volume Control (address 04h) ........................................................................ 16 3.5 Mode Control 2 (address 05h) .......................................................................................... 17 4. REGISTER DESCRIPTION .................................................................................................... 18 4.1 Mode Control 1 - Address 01h .......................................................................................... 18 4.1.1 Auto-Mute (Bit 7) ................................................................................................. 18 4.1.2 Digital Interface Formats (Bits 6:4) ...................................................................... 18 4.1.3 De-Emphasis Control (Bits 3:2) ........................................................................... 18 4.1.4 Functional Mode (Bits 1:0) .................................................................................. 18 4.2 Volume and Mixing Control (Address 02h) ....................................................................... 19 4.2.1 Channel A Volume = Channel B Volume (Bit 7) ................................................. 19 4.2.2 Soft Ramp or Zero Cross Enable (Bits 6:5) ......................................................... 19 4.2.3 ATAPI Channel Mixing and Muting (Bits 4:0) ...................................................... 19 4.3 Channel A Volume Control - Address 03h ........................................................................ 19 4.4 Channel B Volume Control - Address 04h ....................................................................... 20 4.4.1 Mute (Bit 7) .......................................................................................................... 20 4.4.2 Volume Control (Bits 6:0) .................................................................................... 20 4.5 Mode Control 2 - Address 05h .......................................................................................... 20 4.5.1 Invert Signal Polarity (Bits 7:6) ............................................................................ 20 4.5.2 Control Port Enable (Bit 5) .................................................................................. 20 4.5.3 Power Down (Bit 4) ..............................................................


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