NLAS3799B, NLAS3799BL Dual DPDT Ultra-Low R ON Switch The NLAS3799B is an ultralow R dual DPDT and a 0.5 R ON ON analog switch. This device is designed for low operating voltage, high current switching of speaker output and earpiece for cellphone NLAS3799B, NLAS3799BL COM NC NO IN Figure 1. Input Equivalent Circuit PIN DESCRIPTION QFN PIN Symbol Name and Function 1, 3, 5, 7, 9, 11, 13, 15 NO AD, NC AD Independent Channels 2, 10 AB IN, CD IN Controls 4, 8, 12, 16 COM AD Common Channels 6 GND Ground (V) 14 V Positive Supply Voltage CC TRUTH TABLE IN NO NC H ON OFF* L OFF* ON *High impedance.