User Manual

DS851F2 7
CS42L56
LIST OF FIGURES
Figure 1.Typical Connection Diagram - Four Pseudo-Differential Analog Inputs ...................................... 11
Figure 2.Typical Connection Diagram - Two Pseudo-Differential / Three Single-Ended Analog Inputs ... 12
Figure 3.Typical Connection Diagram - Six Single-Ended Analog Inputs ................................................. 13
Figure 4.CMRR Test Configuration ........................................................................................................... 16
Figure 5.AINxREF Input Voltage Test Configuration ................................................................................ 16
Figure 6.HP Output Test Configuration ..................................................................................................... 20
Figure 7.Line Output Test Configuration ................................................................................................... 20
Figure 8.Serial Port Timing (Slave Mode) ................................................................................................. 22
Figure 9.Serial Port Timing (Master Mode) ............................................................................................... 22
Figure 10.I²C Control Port Timing ............................................................................................................. 23
Figure 11.Control Port Timing - SPI Format .............................................................................................. 24
Figure 12.Power Consumption Test Configuration ................................................................................... 27
Figure 13.Analog Input Signal Flow .......................................................................................................... 31
Figure 14.Stereo Pseudo-Differential Input ............................................................................................... 32
Figure 15.Analog Input Attenuation ........................................................................................................... 33
Figure 16.Example Analog Input Attenuation ............................................................................................ 33
Figure 17.MIC Input Mix w/Common Mode Rejection ............................................................................... 34
Figure 18.ALC Operation .......................................................................................................................... 35
Figure 19.DSP Engine Signal Flow ........................................................................................................... 37
Figure 20.Analog Output Stage ................................................................................................................. 38
Figure 21.Class H Volume-Adapt Paths ................................................................................................... 39
Figure 22.Volume Sum Effects ................................................................................................................. 40
Figure 23.Channel/Amp Effect .................................................................................................................. 40
Figure 24.HP/Line Channel Effects ........................................................................................................... 41
Figure 25.VHPFILT Transitions ................................................................................................................. 42
Figure 26.VHPFILT Hysteresis ................................................................................................................. 43
Figure 27.Class H Power to Load vs. Power from VCP Supply - 32 W .................................................... 43
Figure 28.Class H Power to Load vs. Power from VCP Supply - 16 W .................................................... 44
Figure 29.Beep Configuration Options ...................................................................................................... 45
Figure 30.Peak Detect & Limiter ............................................................................................................... 46
Figure 31.Serial Port Timing in Master Mode ............................................................................................ 48
Figure 32.I²S Format ................................................................................................................................. 49
Figure 33.Left-Justified Format ................................................................................................................. 49
Figure 34.Control Port Timing in SPI Mode .............................................................................................. 53
Figure 35.Control Port Timing, I²C Write ................................................................................................... 54
Figure 36.Control Port Timing, I²C Read ................................................................................................... 54
Figure 37.PGA Step Size vs. Volume Setting ........................................................................................... 88
Figure 38.PGA Output Volume vs. Volume Setting .................................................................................. 88
Figure 39.HP/Line Step Size vs. Volume Setting ...................................................................................... 88
Figure 40.HP/Line Output Volume vs. Volume Setting .............................................................................88
Figure 41.ADC Frequency Response ....................................................................................................... 89
Figure 42.ADC Stopband Rejection .......................................................................................................... 89
Figure 43.ADC Transition Band ................................................................................................................ 89
Figure 44.ADC Transition Band Detail ...................................................................................................... 89
Figure 45.DAC Frequency Response ....................................................................................................... 89
Figure 46.DAC Stopband .......................................................................................................................... 89
Figure 47.DAC Transition Band ....................................................................................................
...
......... 89
Figure 48.DAC Transition Band (Detail) .................................................................................................... 89