Cirrus-logic CS4339 Manuale Utente

Copyright  Cirrus Logic, Inc. 2012(All Rights Reserved)http://www.cirrus.com8-Pin, 24-Bit, 96 kHz Stereo D/A ConverterFeatures Complete Stereo DAC S

10CS4334/5/8/9SWITCHING CHARACTERISTICSNotes:9. In Internal SCLK Mode, the Duty Cycle must be 50% 1/2 MCLK Period.10. The SCLK / LRCK ratio may be

11CS4334/5/8/9sclkhtslrstslrdtsdlrstsdhtsclkltSDATASCLKLRCKFigure 5. External Serial Mode Input TimingSDATA*INTERNAL SCLKLRCKsclkwtsdlrstsdhtsclkrtFi

12CS4334/5/8/93. GENERAL DESCRIPTIONThe CS4334 family of devices offers a complete stereo digital-to-analog system including digital interpolation,fo

13CS4334/5/8/94. SYSTEM DESIGNThe CS4334 family accepts data at standard audio sample rates including 48, 44.1 and 32 kHz in BRM and 96, 88.2and 64 k

14CS4334/5/8/94.3 De-EmphasisThe CS4334 family includes on-chip digital de-emphasis. Figure 9 shows the de-emphasis curve for Fsequal to 44.1 kHz. The

15CS4334/5/8/9down state is related to the value of the DC-blocking capacitance. For example, with a 3.3 F capacitor, thetime that the device must re

16CS4334/5/8/9LRCKSCLKLeft ChannelRight ChannelSDATA654321098715 14 13 12 11 10654321098715 14 13 12 11 1032 clocksInternal SCLK Mode External SCLK Mo

17CS4334/5/8/9Figure 14. CS4334/5/8/9 Initialization and Power-Down Sequence

18CS4334/5/8/94.8 Overall Base-Rate Frequency ResponseFigure 15. Stopband Rejection Figure 16. Transition BandFigure 17. Transition Band Figure 18.

19CS4334/5/8/94.9 Overall High-Rate Frequency ResponseFigure 19. Stopband Rejection Figure 20. Transition BandFigure 21. Transition Band Figure 22.

2CS4334/5/8/9TABLE OF CONTENTS1. TYPICAL CONNECTION DIAGRAM ...

20CS4334/5/8/94.10 Base Rate Mode Performance Plots-140+0-130-120-110-100-90-80-70-60-50-40-30-20-10dBr A2k 20k4k 6k 8k 10k 12k 14k 16k 18kHz2k4k 6k 8

21CS4334/5/8/94.11 High Rate Mode Performance Plots-140+0-130-120-110-100-90-80-70-60-50-40-30-20-10dBr A2k 20k4k 6k 8k 10k 12k 14k 16k 18kHz2k4k 6k 8

22CS4334/5/8/95. PARAMETER DEFINITIONSTotal Harmonic Distortion + Noise (THD+N)The ratio of the rms value of the signal to the rms sum of all other sp

23CS4334/5/8/97. PACKAGE DIMENSIONSINCHES MILLIMETERSDIM MIN MAX MIN MAXA 0.053 0.069 1.35 1.75A1 0.004 0.010 0.10 0.25b 0.013 0.020 0.33 0.51c 0.007

24CS4334/5/8/98. ORDERING INFORMATION9. FUNCTIONAL COMPATIBILITYCS4330-KS  CS4339-KSZxCS4331-KS  CS4334-KSZxCS4333-KS  CS4338-KSZxCS4330-BS  CS433

25CS4334/5/8/910.REVISION HISTORYRevision ChangesF5Corrected “B” to “b” and “C” to “c” to match drawing in “Package Dimensions” on page 23Updated le

3CS4334/5/8/9Figure 18. Passband Ripple...

4CS4334/5/8/91. TYPICAL CONNECTION DIAGRAMDEM/SCLK6AudioDataProcessorExternal ClockMCLKAGNDAOUTRCS4334CS4335CS4338CS4339SDATALRCKVAAOUTL312470.1 µF+1µ

5CS4334/5/8/92. CHARACTERISTICS AND SPECIFICATIONS(All Min/Max characteristics and specifications are guaranteed over the Specified Operating Conditio

6CS4334/5/8/9ANALOG CHARACTERISTICS(Full-Scale Output Sine Wave, 997 Hz; Test load RL = 10 k, CL = 10 pF (see Figure 2). Fs for Base-Rate Mode = 48 k

7CS4334/5/8/9ANALOG CHARACTERISTICS (Continued) Notes:2. Filter response is not tested but is guaranteed by design.3. Response is clock dependent and

8CS4334/5/8/9POWER AND THERMAL CHARACTERISTICS Notes:7. Refer to Figure 4. Max Power Dissipation is measured at VA=5.5V.Parameters Symbol Min Typ M

9CS4334/5/8/9DIGITAL INPUT CHARACTERISTICSNotes:8. Iin for CS433X LRCK is ±20A max.Parameters Symbol Min Typ Max UnitsHigh-Level Input Voltage VIH2.