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DS1876T+T&R;

Description
IC CTRLR SFP DUAL LDD 28TQFN
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,69 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

DS1876T+T&R; Overview

IC CTRLR SFP DUAL LDD 28TQFN

DS1876T+T&R; Parametric

Parameter NameAttribute value
typeSFP laser controller
input typelogic
Output typelogic
interfaceI²C
Current - Power10mA
Operating temperature-40°C ~ 95°C
Installation typesurface mount
Package/casing28-WFQFN Exposed Pad
Supplier device packaging28-TQFN(5x5)
DS1876
SFP Controller with Dual LDD Interface
General Description
The DS1876 controls and monitors all functions for
dual transmitter modules. The memory map is based
on SFF-8472. The DS1876 supports APC and modula-
tion control and eye safety functionality for two laser
drivers. It continually monitors for high output current,
high bias current, and low and high transmit power to
ensure that laser shutdown for eye safety requirements
are met without adding external components. Six ADC
channels monitor V
CC
, temperature, and four external
monitor inputs that can be used to meet all monitoring
requirements.
Monitoring Requirements
S
Six Analog Monitor Channels: Temperature, V
CC
,
Features
S
Meets All SFF-8472 Transmitter Control and
PMON1, BMON1, PMON2, BMON2
PMON_ and BMON_ Support Internal and
External Calibration
Scalable Dynamic Range
Internal Direct-to-Digital Temperature Sensor
Alarm and Warning Flags for All Monitored
Channels
Functions for Laser Safety
S
Six Quick Trips for Fast Monitoring of Critical
S
Four 10-Bit Delta-Sigma Outputs
Applications
Dual Tx Video SFP Modules
Each Controlled by 72-Entry Temperature
Lookup Table (LUT)
S
Digital I/O Pins: Six Inputs, Five Outputs
S
Comprehensive Fault Measurement System with
Ordering Information
PART
DS1876T+
DS1876T+T&R
TEMP RANGE
-40NC to +95NC
-40NC to +95NC
PIN-PACKAGE
28 TQFN-EP*
28 TQFN-EP*
Maskable Laser Shutdown Capability
S
Flexible, Two-Level Password Scheme Provides
+Denotes
a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
*EP
= Exposed pad.
Three Levels of Security
S
256 Additional Bytes Located at A0h Slave
Address
S
Transmitter 1 is Accessed at A2h Slave Address
S
Transmitter 2 is Accessed at B2h Slave Address
S
I
2
C-Compatible Interface
S
+2.85V to +3.9V Operating Voltage Range
S
-40NC to +95NC Operating Temperature Range
S
28-Pin TQFN (5mm x 5mm x 0.8mm) Package
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
19-5153; Rev 0; 2/10

DS1876T+T&R; Related Products

DS1876T+T&R; DS1876 DS1876T+ DS1876T+TR
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