NAME PIN I/O DESCRIPTION AGND 1 Ground Analog ground VINR– 2 Input Right channel inverting, 2.8VPP nominal full-scale VINR+ 3 Input Right channel noninverting, 2.8VPP nominal full-scale VCC1 4 Power Analog supply, +4.0V nominal AGND 5 Ground Analog ground AGND 6 Ground Analog ground AGND 7 Ground Analog ground AGND 8 Ground Analog ground VCC2 9 Power Analog supply, +4.0V nominal VINL– 10 Input Left channel inverting, 2.8VPP nominal full-scale VINL+ 11 Input Left channel noninverting, 2.8VPP nominal full-scale AGND 12 Ground Analog ground VCOML 13 Output Left channel common-mode voltage, (0.4875 × VCC2) nominal REFGNDL 14 Ground Left channel reference ground, connect to analog ground VREFL 15 Output Left channel reference output for decoupling purposes only PCMEN 16 Input PCM output enable (active high) HPFDR 17 Input Right channel high-pass filter disable (active high) HPFDL 18 Input Left channel high-pass filter disable (active high) Sampling modes: FS0 = 0 and FS1 = 0: Normal mode FS0 19 Input FS0 = 1 and FS1 = 0: Double Speed mode FS1 20 FS0 = 0 and FS1 = 1: Quad Speed mode FS0 = 1 and FS1 = 1: Reserved Sampling mode Digital decimation filter response: DF 21 Input DF = 0: Classic filter response DF = 1: Low Group Delay response DGND 22 Ground Digital ground DGND 23 Ground Digital ground DGND 24 Ground Digital ground TDM active sub-frame: SUB0 = 0 and SUB1 = 0: Sub-frame 0 SUB1 25 Input SUB0 = 1 and SUB1 = 0: Sub-frame 1 SUB0 26 SUB0 = 0 and SUB1 = 1: Sub-frame 2 SUB0 = 1 and SUB1 = 1: Sub-frame 3 NC 27 — No external connection, internally bonded to ESD pad NC 28 — No external connection, internally bonded to ESD pad NC 29 — No external connection, internally bonded to ESD pad DGND 30 Ground Digital ground VDD 31 Power Digital supply, +3.3V nominal DATA 32 Output Audio serial port data BCK 33 I/O Audio serial port bit clock LRCK 34 I/O Audio serial port left/right word clock MCKI 35 Input Master clock RST 36 Input Reset and power-down (active low) OVFL 37 Output Left channel overflow flag (active high) OVFR 38 Output Right channel overflow flag (active high) Audio serial port Slave/Master mode: S/M 39 Input S/M = 0: Master mode S/M = 1: Slave mode DGND 40 Output Digital ground Output word length: OWL0 = 0 and OWL1 = 0: 24-bits OWL1 41 Input OWL0 = 1 and OWL1 = 0: 18-bits OWL0 42 OWL0 = 0 and OWL1 = 1: 20-bits OWL0 = 1 and OWL1 = 1: 16-bits Audio data format: FMT0 = 0 and FMT1 = 0: Left-justified FMT1 43 I2S Input FMT0 = 1 and FMT1 = 0: FMT0 44 FMT0 = 0 and FMT1 = 1: TDM FMT0 = 1 and FMT1 = 1: TDM with one BCK delay DGND 45 Ground Digital ground VREFR 46 Output Right channel reference output for decoupling purposes only REFGNDR 47 Ground Right channel reference ground, connect to analog ground VCOMR 48 Output Right channel common-mode voltage (0.4875 × VCC1 nominal)