CS5345-CQZR Просмотр технического описания (PDF) - Cirrus Logic

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CS5345-CQZR

104 dB, 24-Bit, 192 kHz Stereo Audio ADC

Cirrus Logic 

CS5345

6.6.1 Channel B PGA Gain (Bits 5:0) ............................................................................................. 33

6.7 Channel A PGA Control - Address 08h .......................................................................................... 34

6.7.1 Channel A PGA Gain (Bits 5:0) ............................................................................................. 34

6.8 ADC Input Control - Address 09h ................................................................................................... 34

6.8.1 PGA Soft Ramp or Zero Cross Enable (Bits 4:3) .................................................................. 34

6.8.2 Analog Input Selection (Bits 2:0) ........................................................................................... 35

6.9 Active Level Control - Address 0Ch ................................................................................................ 35

6.9.1 Active High/Low (Bit 0) .......................................................................................................... 35

6.10 Interrupt Status - Address 0Dh ..................................................................................................... 35

6.10.1 Clock Error (Bit 3) ................................................................................................................ 36

6.10.2 Overflow (Bit 1) .................................................................................................................... 36

6.10.3 Underflow (Bit 0) .................................................................................................................. 36

6.11 Interrupt Mask - Address 0Eh ....................................................................................................... 36

6.12 Interrupt Mode MSB - Address 0Fh .............................................................................................. 36

6.13 Interrupt Mode LSB - Address 10h ............................................................................................... 36

7. PARAMETER DEFINITIONS ................................................................................................................ 37

8. FILTER PLOTS .................................................................................................................................. 38

9. PACKAGE DIMENSIONS .................................................................................................................... 40

10. THERMAL CHARACTERISTICS AND SPECIFICATIONS ............................................................. 40

11. ORDERING INFORMATION ........................................................................................................ 41

12. REVISION HISTORY .......................................................................................................................... 41

LIST OF FIGURES

Figure 1.Master Mode Serial Audio Port Timing ....................................................................................... 18

Figure 2.Slave Mode Serial Audio Port Timing ......................................................................................... 18

Figure 3.Format 0, Left-Justified up to 24-Bit Data ................................................................................... 19

Figure 4.Format 1, I²S up to 24-Bit Data ................................................................................................... 19

Figure 5.Control Port Timing - I²C Format ................................................................................................. 20

Figure 6.Control Port Timing - SPI Format ................................................................................................ 21

Figure 7.Typical Connection Diagram ....................................................................................................... 22

Figure 8.Master Mode Clocking ................................................................................................................ 24

Figure 9.Analog Input Architecture ............................................................................................................ 25

Figure 10.Control Port Timing in SPI Mode .............................................................................................. 26

Figure 11.Control Port Timing, I²C Write ................................................................................................... 27

Figure 12.Control Port Timing, I²C Read ................................................................................................... 27

Figure 13.Single-Speed Stopband Rejection ............................................................................................ 38

Figure 14.Single-Speed Stopband Rejection ............................................................................................ 38

Figure 15.Single-Speed Transition Band (Detail) ...................................................................................... 38

Figure 16.Single-Speed Passband Ripple ................................................................................................ 38

Figure 17.Double-Speed Stopband Rejection ........................................................................................... 38

Figure 18.Double-Speed Stopband Rejection ........................................................................................... 38

Figure 19.Double-Speed Transition Band (Detail) .................................................................................... 39

Figure 20.Double-Speed Passband Ripple ............................................................................................... 39

Figure 21.Quad-Speed Stopband Rejection ............................................................................................. 39

Figure 22.Quad-Speed Stopband Rejection ............................................................................................. 39

Figure 23.Quad-Speed Transition Band (Detail) ....................................................................................... 39

Figure 24.Quad-Speed Passband Ripple ................................................................................................. 39

LIST OF TABLES

Table 1. Speed Modes .............................................................................................................................. 23

Table 2. Common Clock Frequencies ....................................................................................................... 23

Table 3. Slave Mode Serial Bit Clock Ratios ............................................................................................. 24

Table 4. Device Revision .......................................................................................................................... 31

DS658F2

3

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