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M66516FP

Mitsubishi
Part Number M66516FP
Manufacturer Mitsubishi
Description LASER-DIODE DRIVER/CONTROLLER
Published Apr 26, 2005
Detailed Description MITSUBISHI 〈DIGITAL ASSP 〉 〉 MITSUBISHI 〈DIGITAL ASSP M66516FP M66516FP LASER-DIODE DRIVER/CONTROLLER LASER-DIODE DRIVE...
Datasheet PDF File M66516FP PDF File

M66516FP
M66516FP

Overview
MITSUBISHI 〈DIGITAL ASSP 〉 〉 MITSUBISHI 〈DIGITAL ASSP M66516FP M66516FP LASER-DIODE DRIVER/CONTROLLER LASER-DIODE DRIVER/CONTROLLER MONITORING LOAD 2RM → INPUTS MO ← MONITORING ANALOG OUTPUT MONITORING COMPARATOR OUTPUT FEATURES • Built-in sample-hold circuit for APC function • High speed switching (20Mbps) • Large drive current (150mA max.
) • Capable of setting bias current (30mA max.
) • 5V single power supply APPLICATION Semiconductor laser-diode applied equipment BLOCK DIAGRAM COMPARATOR OUTPUT CO 12 MONITORING MONITORING ANALOG OUTPUT MO 11 REFERENCE VOLTAGE OUTPUT Vref 19 REFERENCE VOLTAGE SOURCE COMPARATOR Vr  VL1  SWITCHING CURRENT  VL2 SETTING INPUTS 1RC 2RC  18 2 4 3 5 LINEAR AMP 3RC 7 1 VCC  15 GND  SAMPLE-HOLD CIRCUIT CURRENT SWITCHING CIRCUIT 8  20 DIFFERENTIAL AMP 9 1RM 10 2RM 13 S/H 14 CSH 21 PD 23 16 17 6 ENB LD DATA CD MONITORING SAMPLE-HOLD CONNECTION MONITORING OUTPUT TO DUTY CONTROL SWITCHING LASER CURRENT LASER INPUT DIODE INTPUT DATA INPUT ENABLE INPUT PIN FOR LOAD INPTUT CONTROL INPUT CURRENT LOAD SAMPLE-HOLD CAPACITOR    DESCRIPTION The M66516 is a semiconductor laser-diode driver/controller.
Its functions are the driving and laser power control of a specific type (Mitsubishi’s R type laser) of semiconductor laser diode, in which the cathode of a semiconductor laser diode is connected in stem structure to the anode of a monitoring photodiode.
The IC has a laser drive current output pin of source type and is capable of driving a laser diode on a maximum bias current of 30mA and a maximum switching current of 120 mA, which is switched at a rate of 20Mbits/sec.
Since the M66516 has a built in sample-hold circuit, it is possible to realize an internal APC∗ system that requires no external device for laser power control.
∗: Automatic Power Control PIN CONFIGURATION (TOP VIEW) VCC1 SWITCHING CURRENT SETTING INPUT 1 VL1 OUTPUT TO SWITCHING CURRENT SETTING LOAD 1RC 1 SWITCHING CURRENT VL2 SETTING INPUT 2 2RC OUTPUT TO...


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