The TLC5940NT is a 28 pin dip 16 channel PWM unit with 12 bit duty cycle control (0 - 4095), 6 bit current limit control (0 - 63), and a daisy chainable serial interface.
Features:
- 16 Channels
- 12 bit (4096 steps) Grayscale PWM Control
- Serial Data Interface
- 30MHz Data Transfer Rate
- CMOS Level I/O
- Drive Capability (Constant-Current Sink)
- 0mA to 60mA (VCC < 3.6V)
- 0mA to 120mA (VCC > 3.6V)
- 3V to 5.5V VCC