Part T0820
Description 4 CHANNEL LASER DRIVER
Manufacturer Atmel
Size 259.48 KB
Atmel

T0820 Overview

Description

The T0820 is a laser diode driver for the operation of a grounded laser diode for writable optical drives. It includes four channels for four different optical power levels which are controlled by a separate IC.

Key Features

  • Current-controlled Output Current Source with 4 Input Channels
  • Low-power Consumption
  • Output Current up to 150 mA, Read Channel and Channel 2
  • Output Current up to 200 mA, Channel 3 and Channel 4
  • Total Output Current to 300 mA
  • Rise Time 1.0 ns, Fall Time 1.1 ns
  • On-chip RF Oscillator
  • Control Frequency and Swings by Use of 2 External Resistors
  • Oscillator Frequency Range from 200 MHz to 600 MHz
  • Oscillator Swing to 100 mA