Document Outline

• CS4397
• Features
• Description
  • Table of Contents
  • Table of Figures
• 1.0 Characteristics/Specifications
  • ANALOG CHARACTERISTICS
  • ANALOG CHARACTERISTICS
  • ANALOG CHARACTERISTICS
  • ANALOG CHARACTERISTICS - DSD Mode
  • ANALOG CHARACTERISTICS - 8x Interpolator Mode
  • DIGITAL CHARACTERISTICS
  • absolute maximum ratings
  • recommended operating conditions
  • Switching characteristics
    • Figure 1. Serial Audio Input Timing
  • DSD - Switching characteristics
    • Figure 2. Direct Stream Digital - Serial Audio Input Timing
  • 8x Interpolator - Switching characteristics
    • Figure 3. Serial Audio Input Timing
  • SWITCHING CHARACTERISTICS - CONTROL PORT
    • Figure 4. I2C Control Port Timing
  • SWITCHING CHARACTERISTICS - CONTROL PORT
    • Figure 5. SPI Control Port Timing
• 2.0 Typical Connection Diagram
  • Figure 6. Typical Connection Diagram - Hardware Mode (Control Port Mode)
• 3.0 Register Description
  • 3.1 Differential DC offset calibration
    • Table 1.
  • 3.2 Soft Mute
    • Table 2.
  • 3.3 Mode Select
  • 3.4 Power DowN
    • Table 3.
• 4.0 PIN DESCRIPTION - PCM mode
  • Reset - RST
  • Digital Ground - DGND
  • Digital Power - VD
  • Master Clock - MCLK
    • Table 4. Single Speed (16 to 50 kHz sample rates) Common Clock Frequencies
    • Table 5. Double Speed (50 to 100 kHz sample rates) Common Clock Frequencies
    • Table 6. Quad Speed (100 to 200 kHz sample rates) Common Clock Frequencies
  • Serial Clock - SCLK
  • Left/Right Clock - LRCK
  • Serial Audio Data - SDATA
  • Soft Mute - MUTE
  • Control Port / Hardware Mode Select - C/H
  • Mute Control - MUTEC
  • Analog Ground - AGND
  • Differential Analog Outpus - AOUTR- , AOUTR+ and AOUTL- , AOUTL+
  • Analog Power - VA
  • Common Mode Voltage - CMOUT
  • Reference Ground - FILT-
  • Reference Filter - FILT+
  • Voltage Reference Input- VREF
  • HARDWARE MODE
  • Mode Select - M0, M1, M2, M3, M4
  • CONTROL PORT MODE
  • Address Bit 0 / Chip Select - AD0 / CS
  • Address Bit 1 / Control Data Input - AD1/CDIN
  • Serial Control Interface Clock - SCL/CCLK
  • Serial Control Data I/O - SDA/CDOUT
  • M1 - Mode Select
• 5.0 piN DESCRIPTION - DSD mode
  • Master Clock - MCLK
  • CLKMODE
    • Table 7. MCLK to DSD Data Rate Clock Ratios
  • DSD Serial Clock - DSD_SCLK
  • Audio Data - DSD_L and DSD_R
• 6.0 piN DESCRIPTION - 8x INterpolator mode
  • Master Clock - MCLK
    • Table 8. Common Clock Frequencies
  • Bit Clock - BCKI
  • Word Clock - WCKI
  • Serial Audio Data - DIR and DIL
• 7.0 APPLICATIONS
  • 7.1 Recommended Power-up Sequence
• 8.0 Control Port Interface
  • 8.1 SPI Mode
  • 8.2 I2C Mode
    • Memory Address Pointer (MAP)
      • Figure 7. Control Port Timing, SPI mode
      • Figure 8. Control Port Timing, I2C Mode
      • Table 9. Single Speed (16 to 50kHz) Digital Interface Format Options
      • Table 10. Single Speed (16 to 50kHz) De-Emphasis Options
      • Table 11. Double Speed (50 to 100 kHz) Sample Rate Mode Options
      • Table 12. Quad (100 to 200 kHz) Sample Rate Mode Options 
      • Table 13. 8x Interpolated Input Mode Options
      • Table 14. Direct Stream Digital Options
      • Figure 9. Single-speed Transition Band
      • Figure 10. Single-speed Stopband Rejection
      • Figure 11. Single-speed Transition Band
      • Figure 12. Single-speed Frequency Response
      • Figure 13. Double-speed Stopband
      • Figure 14. Double-speed Transition Band
      • Figure 15. Double-speed Transition Band
      • Figure 16. Double-speed Frequency Response
      • Figure 17. Quad-speed Stopband Rejection
      • Figure 18. Quad-speed Transition Band
      • Figure 19. Quad-speed Transition Band
      • Figure 20. Quad-speed Frequency Response
      • Figure 21. 8x Interpolator Stop Band
      • Figure 22. 8x Interpolator Transition Band
      • Figure 23. 8x Interpolator Transition Band
      • Figure 24. 8x Interpolator Frequency Response
      • Figure 25. DSD Frequency Response
      • Figure 26. DSD Transition Band
      • Figure 27. DSD Transition Band
      • Figure 28. De-Emphasis Curve
      • Figure 29. Format 0, Left Justified
      • Figure 30. Format 1, I2S
      • Figure 31. Format 2, Right Justified, 16-Bit Data
      • Figure 32. Format 3, Right Justified, 24-Bit Data
      • Figure 33. Format 4, 8x Interpolator Mode
• 9.0 PARAMETER DEFINITIONS
  • Total Harmonic Distortion + Noise (THD+N)
  • Dynamic Range
  • Interchannel Isolation
  • Interchannel Gain Mismatch
  • Gain Error
  • Gain Drift
• 10.0 REFERENCES
• 11.0 package dimensions