Cirrus-logic CS4224 Manuel d'utilisateur

1Copyright Cirrus Logic, Inc. 2002(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.com24-Bit 105 dB Audio Codec with Volume ControlFeatures105

CS4223 CS422410 DS290F1SWITCHING CHARACTERISTICS - CONTROL PORT - SPI MODE (CS4224)(Inputs: Logic 0 = DGND, Logic 1 = VD; CL=30pF)Notes: 11. Not teste

CS4223 CS4224DS290F1 11SWITCHING CHARACTERISTICS - CONTROL PORT - I2C MODE (CS4224)(Inputs: Logic 0 = DGND, Logic 1 = VD; CL=30pF)Notes: 15. Not teste

CS4223 CS422412 DS290F12. TYPICAL CONNECTION DIAGRAM — CS4223AINL+AINL-1µF+ 0.1 µF2Ω0.1 µF + 1µF+5VSupply21 6VA VDFerrite Bead2.2 nF150Ω150ΩAINR+AINR-

CS4223 CS4224DS290F1 133. TYPICAL CONNECTION DIAGRAM — CS4224AINL+AINL-1µF+ 0.1 µF2Ω0.1 µF + 1µF+5VSupply21 6VA VDFerrite Bead2.2 nF150Ω150ΩAINR+AINR-

CS4223 CS422414 DS290F14. REGISTER QUICK REFERENCE - CS4224Addr Function 7 6 5 4 3 2 1 00h Reserved Reserved Reserved Reserved Reserved Reserved Reser

CS4223 CS4224DS290F1 155. REGISTER DESCRIPTIONS - CS4224Note: All registers are read/write in I2C mode and write-only in SPI mode, unless otherwise no

CS4223 CS422416 DS290F15.1.6 CLOCKING ERROR (CLKE) (READ ONLY)Default = 00 - No error1 - Error5.2 DAC Control (address 02h)5.2.1 MUTE ON CONSECUTIVE Z

CS4223 CS4224DS290F1 175.2.4 SOFT RAMP STEP RATE (RMP)Default = 0000 - 1 step per 8 LRCK's01 - 1 step per 4 LRCK's10 - 1 step per 16 LRCK&ap

CS4223 CS422418 DS290F15.5 DSP Port Mode (address 05h)5.5.1 DE-EMPHASIS CONTROL (DEM)Default = 0000 - 44.1 kHz de-emphasis setting01 - 48 kHz de-empha

CS4223 CS4224DS290F1 195.6 Converter Status Report (Read Only) (address 06h)5.6.1 LEFT AND RIGHT CHANNEL ACCEPTANCE BIT (ACCR-ACCL)Default = 00 - Requ

CS4223 CS42242 DS290F1TABLE OF CONTENTS1. CHARACTERISTICS AND SPECIFICATIONS ...

CS4223 CS422420 DS290F16. PIN DESCRIPTIONS — CS4223123456782122232425262728NCRSTAOUTL-AOUTL+AOUTR+AOUTR-AGNDVASDOUTDGNDVDSCLKLRCKXTIXTONC9101112 17181

CS4223 CS4224DS290F1 21SDIN 9 Serial Data Input (Input)-Two's complement MSB-first serial data is input on this pin. Therequired relationship bet

CS4223 CS422422 DS290F17. PIN DESCRIPTIONS — CS4224123456782122232425262728NCRSTAOUTL-AOUTL+AOUTR+AOUTR-AGNDVASDOUTDGNDVDSCLKLRCKXTIXTONC9101112 17181

CS4223 CS4224DS290F1 23SDOUT 8 Serial Data Output (Output)-Two's complement MSB-first serial data is output on this pin.The required relationship

CS4223 CS422424 DS290F18. APPLICATIONS8.1 OverviewThe CS4223 is a stand-alone device controlledthrough dedicated pins. The CS4224 is controlledwith an

CS4223 CS4224DS290F1 258.8 Control Port Interface (CS4224 only)The control port is used to load all the internal set-tings. The operation of the contr

CS4223 CS422426 DS290F18.9 Memory Address Pointer (MAP)8.9.1 AUTO-INCREMENT CONTROL (INCR)Default = 00 - Disabled1-Enabled8.9.2 REGISTER POINTER (MAP)

CS4223 CS4224DS290F1 27Master SlaveI2S, up to 24-bit dataXTI=256, 384, 512 Fs (CS4223-256Fsonly)LRCK = 4 to 50 kHzSCLK = 64 FsI2S, up to 24-bit dataXT

CS4223 CS422428 DS290F1Figure 11. Serial Audio Format 3Master SlaveRight-justified, 20-bit dataXTI=256, 384, 512Fs (CS4223-256Fsonly)LRCK = 4 to 50 kH

CS4223 CS4224DS290F1 29Figure 14. 2- and 3-Pole Butterworth FiltersGaindB-10 dB0dBFrequencyT2 = 15 µsT1 = 50 µsF1 F2Figure 15. De-emphasis CurveSignal

CS4223 CS4224DS290F1 35.5.3 Serial Data Output Format (DOF)... 175.5.4

CS4223 CS422430 DS290F19. ADC/DAC FILTER RESPONSEFigure 17. ADC Filter Response Figure 18. ADC Passband RippleFigure 19. ADC Transition Band Figure 20

CS4223 CS4224DS290F1 3110.PARAMETER DEFINITIONSDynamic RangeThe ratio of the full scale rms value of the signal to the rms sum of all other spectral c

CS4223 CS422432 DS290F111.PACKAGE DIMENSIONS Notes: 1. “D” and “E1” are reference datums and do not included mold flash or protrusions, but do inclu

• Notes •

CS4223 CS42244 DS290F1LIST OF TABLESTable 1. Example Volume Settings ...

CS4223 CS4224DS290F1 51. CHARACTERISTICS AND SPECIFICATIONS(All Min/Max characteristics and specifications are guaranteed over the Specified Operating

CS4223 CS42246 DS290F1ANALOG CHARACTERISTICS (Full Scale Input Sine wave, 997 Hz; Fs = 48 kHz; MeasurementBandwidth is 20 Hz to 20 kHz; Local componen

CS4223 CS4224DS290F1 7ANALOG CHARACTERISTICS (CONTINUED)Notes: 7. The passband and stopband edges scale with frequency. For input word rates, Fs, othe

CS4223 CS42248 DS290F1DIGITAL CHARACTERISTICSParameter Symbol Min Max UnitHigh-level Input Voltage VL = 5VVL = 3VVIHVIH2.82.0VL + 0.3VL + 0.3VVLow-lev

CS4223 CS4224DS290F1 9SWITCHING CHARACTERISTICS (Outputs loaded with 30 pF)Notes: 10. After powering up the CS4223/4, PDN should be held low for 10 ms