[AK4377A] ■ Pin Functions No. Pin Name Power Supply D1 AVDD D2 VSS1 F6 CVDD D4 VSS2 C6 LVDD A5 VSS3 C2 VSS4 B4 TVDD I/O Protection Diode Function Power Domain -Analog Power Supply Pin AVDD Analog Ground Pin HP-Amp/Charge Pump Power Supply Pin CVDD HP-Amp/Charge Ground Pin Digital Core & LDO2 Power Supply Pin LVDD Digital Ground Pin Substrate Pin Digital I/F Power Supply Pin TVDD Common Voltage Output Pin AVDD/ This pin must be connected to the VSS1 pin with VSS1 E1 VCOM O a 10 F 50 % Ceramic capacitor in series. (Note 2) LDO2 (1.2 V) Output Power Supply Pin (Note 1) LVDD/ LVDD A6 VDD12 This pin must be connected to the VSS3 pin with VSS1 a capacitor in series. (Note 2) Note 1. Capacitor value for the VDD12 pin should be selected from 2.2 F ± 50 % to 4.7 F ± 50 %. Note 2. Do not connect a load to the VCOM pin and the VDD12 pin. 018001092-E-00 2018/02 -6-