PT8A974
Description
The PT8A9702P works as encoder, it can provide 8direction remote control for toy car application with PT8A973/973L/PT8A974/974L together. Input 8direction named F, FL, L, BL, BR, R, FR, and B they are combined with F, L, B, and R four signals.
Key Features
- The PT8A9702 works as the encoder and the PT8A973/974/973L/974L works as the decoder
- 8-direction control
- Operation power supply for PT8A9702: 3V to 12V (with series resistor)
- Auto power-off if no key pressed (PT8A9702)
- Motor current limit to meet toy safety standard HD271 (PT8A973/974/973L/974L)
- Low operating current
- On-chip oscillator with an external resistor
- On-chip reversing amplifiers
- Built-in 3.8V Zener (9702), 3.7V Zener (Vz) (973/974) and 3.1V Zener (Vz) (973L/974L)
- Few external components needed
