Functions:
* OTP (one time programmable) voice chips
* Models WTV010, WTV020
* Voice length of 20sec at 6KHz.
* Support sampling rate from 6 KHz to 22 KHz
* Support WAV (16Bit, mono) sound files
* Optional PWM and DAC audio output
* With 16 bits DAC audio output.
* PWM output direct drive 0.5W/8Ω speaker
* Mute will not take up any memory space.
* Same messages can be re-used for saving memory size.
* Control interfaces: key, key combination, parallel interface, serial interface
* Operating voltage: DC 2.5V to 3.6V
* Standby current 2uA, with sleep mode to save power.
* DIP16, SOP16, SSOP20, QFP44 package are available
* Equip with PC software, programmer and test kit for customers.
* Offer chip program services for customers.
Voice chip models
![WTV020 Voice Chip]( "WTV020 Voice Chip")
Pins Configurations
![WTV020 Voice Chip]( "WTV020 Voice Chip")
Applications:
* Car parking systems, Reverse sensor, Reversing radar, GSM car anti-theft systems, TPMS(Tire Pressure Monitor System)
* Central lock actuator, Home security system, Safely, Burglar alarm, Car alarm.
* Home appliances (washing machine, induction cooker, rice cooker, electric pressure cookers, air conditioner and so on).
* Medical equipment, Apparatus, Meters, Interment.
* Intercom, Building intercom, video door phone, door bell, system of talk backing, Window control, Intrusion alarm.
* Industrial Control system and any other products need voice messages.
![WTV020 Voice Chip]( "WTV020 Voice Chip")