Standard 6-Touch Keys BS816A-1 Characteristics Touch Keys : BS816A-1 16-pin NSOP Operating voltage : 2.2V ~ 5.5V Low standby current Auto-calibration Reliable touch detections High power supply rejection Standby and normal operating power modes Maximum key on duration time detection Power supply voltage drop rejection function Level Hold, low active 6 Touch key inputs 6 Outputs ‒ NMOS / CMOS-Direct 2 Options ‒ OMS (Output Mode Select) / LSC (Lower Standby Current) Sensitivity adjustment using an external capacitor Minimal number of external components Applications Consumer Products, Home Appliances, Industrial Control, Health Care Products, etc. Application Circuit VDD KEY1 R1 CT1 1K LED1 1K LED2 1K LED3 1K LED4 1K LED5 1K LED6 (0-25)PF R2 KEY2 CT2 R3 (0-25)PF R4 U1 KEY3 KEY4 CT4 (0-25)PF KEY5 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 OMS LSC Kout1/Test Kout2 Kout3 Kout4 Kout5 Kout6 VDD/AVDD VASS/VSS OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 R5 R6 VDD (0-25)PF 16 15 14 13 12 11 10 9 GND 1 2 3 4 5 6 7 8 CT3 VDD C1 (0-25)PF 1 2 LSC KEY6 104 CT6 (0-25)PF JP1 BS816A-1 16NSOP CT5 1 2 OMS CR2032 BAT1 8 7 6 5 4 3 2 1 GND VDD OUT6 OUT5 OUT4 OUT3 OUT2 OUT1