NLAS4783B Triple SPDT 1.0 R ON Switch The NLAS4783B is a triple independent low R SPDT analog ON switch with ENABLE. This device is designed for low operating voltage, high current switching of speaker output for cell phone NLAS4783B X, Y, or Z X0, Y0, or Z0 ENABLE LOGIC X1, Y1, or Z1 A, B, or C Figure 1. Input Equivalent Circuit PIN FUNCTION DESCRIPTION QFN PIN Symbol Description 15 Y1 Analog Switch Y Normally Open Input 16 Y0 Analog Switch Y Normally Closed Input 1 Z1 Analog Switch Z Normally Open Input 2 Z Analog Switch Z Output 3 Z0 Analog Switch Z Normally Closed Input 4 ENABLE Digital Enable Input. Normally connect to GND. Drive to logic high to set all switches off. 5 NC No Connection. Not internally connected. 6 GND Ground 7 C Digital Address C Input 8 B Digital Address B Input 9 A Digital Address A Input 10 X0 Analog Switch X Normally Closed Input 11 X1 Analog Switch X Normally Open Input 12 X Analog Switch X Output 13 Y Analog Switch Y Output 14 V Positive Analog and Digital Supply Voltage Input CC