DS1802 Description
Each potentiometer provides 65 wiper positions with a 1 dB increment per step and device mute. The DS1802 has two methods of device control, which include contact closure (pushbutton) inputs and a 3-wire serial interface for wiper positioning. The pushbutton control inputs provide a simple interface for device control without the need for a CPU.
DS1802 Key Features
- Ultra- low power consumption
- Operates from 3V or 5V supplies
- Two digitally controlled, 65-position
- Logarithmic resistive characteristics (1 dB
- Zero-crossing detection eliminates noise
- Digital or mechanical pushbutton wiper
- Serial port provides means for setting and
- 20-pin SOIC and 20-pin TSSOP for surface
DS1802 Applications
- 40°C to +85°C § Software and hardware mute § Resistance Available: 45 kΩ