CS44800-CQZ Cirrus Logic Inc, CS44800-CQZ Datasheet - Page 6

• Manufacturer Part Number: CS44800-CQZ
• Description: IC,Audio Power Amplifier Controller,CMOS,QFP,64PIN
• Manufacturer: Cirrus Logic Inc
• Type: Digital Amplifier Controllerr

Specifications of CS44800-CQZ

• Applications: Automotive Systems
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1532 - BOARD EVAL FOR CS44800 PWM CTRL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 598-1070

CS44800
LIST OF FIGURES
Figure 1.Performance Characteristics Evaluation Active Filter Circuit ...................................................... 10
Figure 2.XTI Timings ................................................................................................................................. 11
Figure 3.SYS_CLK Timings ...................................................................................................................... 12
Figure 4.PWMOUTxx Timings .................................................................................................................. 12
Figure 5.PS_SYNC Timings ...................................................................................................................... 12
Figure 6.Serial Audio Interface Timing ...................................................................................................... 13
Figure 7.Serial Audio Interface Timing - TDM Mode ................................................................................. 13
Figure 8.Control Port Timing - I²C Format ................................................................................................. 14
Figure 9.Control Port Timing - SPI Format ................................................................................................ 15
Figure 10.CS44800 Pinout Diagram ......................................................................................................... 16
Figure 11.Typical Full-Bridge Connection Diagram .................................................................................. 21
Figure 12.Typical Half-Bridge Connection Diagram .................................................................................. 22
Figure 13.CS44800 Data Flow Diagram (Single Channel Shown) ........................................................... 24
Figure 14.Fundamental Mode Crystal Configuration ................................................................................ 25
Figure 15.3rd Overtone Crystal Configuration .......................................................................................... 26
Figure 16.CS44800 Internal Clock Generation ......................................................................................... 26
Figure 17.I²S Serial Audio Formats ........................................................................................................... 28
Figure 18.Left-Justified Serial Audio Formats ........................................................................................... 28
Figure 19.Right-Justified Serial Audio Formats ......................................................................................... 29
Figure 20.One Line Mode #1 Serial Audio Format .................................................................................... 29
Figure 21.One Line Mode #2 Serial Audio Format .................................................................................... 30
Figure 22.TDM Mode Serial Audio Format ............................................................................................... 30
Figure 23.De-Emphasis Curve .................................................................................................................. 31
Figure 24.Control Port Timing in SPI Mode .............................................................................................. 36
Figure 25.Control Port Timing, I²C Slave Mode Write ............................................................................... 37
Figure 26.Control Port Timing, I²C Slave Mode Read ............................................................................... 37
Figure 27.Recommended CS44800 Power Supply Decoupling Layout .................................................... 39
Figure 28.Recommended CS44800 Crystal Circuit Layout ...................................................................... 40
Figure 29.Recommended PSR Circuit Layout .......................................................................................... 41
Figure 30.PSR Calibration Sequence ....................................................................................................... 44
Figure 31.PWM Output Delay ................................................................................................................... 72
Figure 32.64-Pin LQFP Package Drawing ................................................................................................ 78
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DS632F1