Ordering Information .................................................................................................................................................4
GENERAL DESCRIPTION.................................................................................................................. 9
2
ANALOG INPUTS ............................................................................................................................... 9
2.1
ADC and Digital Signal Processing ............................................................................................................ 10
2.2
ADC Digital Block ....................................................................................................................................... 10
2.2.1
Input Limiter / Automatic Level Control (ALC) ..................................................................................... 11
2.2.2
2.2.3
2.2.4
ADC Digital Volume Control ................................................................................................................ 15
ADC Programmable High Pass Filter .................................................................................................. 15
Digital Interfaces ........................................................................................................................................ 17
Power on and off reset ............................................................................................................................... 17
Reference Voltage Generation ................................................................................................................... 18
CLOCKING AND SAMPLE RATES .................................................................................................. 18
Frequency Locked Loop (FLL) ................................................................................................................... 20
4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
CONTROL INTERFACES ................................................................................................................. 21
Selection of Control Mode .......................................................................................................................... 21
2
2-Wire-Serial Control Mode (I C Style Interface) ........................................................................................ 22
Digital Serial Interface Timing .................................................................................................................... 23
DIGITAL AUDIO INTERFACE........................................................................................................... 24
5.1
Right-Justified Audio Data .......................................................................................................................... 24
5.2
Left-Justified Audio Data ............................................................................................................................ 25
5.3
I2S Audio Data Mode ................................................................................................................................. 25
5.4
PCM A Audio Data ..................................................................................................................................... 26
5.5
PCM B Audio Data ..................................................................................................................................... 26
5.6
PCM Time Slot Audio Data ........................................................................................................................ 27
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