DS1861E+ Maxim Integrated Products, DS1861E+ Datasheet - Page 8
![IC LASR CTRLR 1CHAN 5.5V 14TSSOP](/photos/6/57/65725/406-14-tssop_sml.jpg)
DS1861E+
Manufacturer Part Number
DS1861E+
Description
IC LASR CTRLR 1CHAN 5.5V 14TSSOP
Manufacturer
Maxim Integrated Products
Type
Laser Diode Controller (Fiber Optic)r
Datasheet
1.DS1861E.pdf
(25 pages)
Specifications of DS1861E+
Number Of Channels
1
Voltage - Supply
2.85 V ~ 5.5 V
Current - Supply
5mA
Operating Temperature
-40°C ~ 95°C
Package / Case
14-TSSOP
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Full Laser Control with Fault Management
Figure 3. TX-D Timing During Normal Operation
Figure 4. Detection of Transmitter Safety Fault Condition
8
_____________________________________________________________________
OCCURENCE
OF FAULT
I
I
MODSET
BIASSET
I
I
*TX-F WILL ASSERT IF THE HTXP ALARM IS TRIGGERED WHILE THE BIAS CURRENTS
ARE DISABLED. THE LTXP ALARM IS MASKED WHILE TX-D IS ASSERTED.
BIASSET
MODSET
TX-D
TX-F
TX-F
TX-D
*
t
t
OFF
OFF
t
t
t
FAULT
FAULT
FAULT
t
ON:M
t
ON:B
t
FIRST CONTROL LOOP ADJUSTMENT OF
I
INIT:M
MODSET
Timing Diagrams (continued)
AFTER TX-D IS DEASSERTED