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Maxim > Solutions > Fiber Modules

Optical Controller/Monitors (for Temperature Compensation and Monitoring)

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF 76V, APD, Bias Output Stage with Current Monitoring
DS1842A

APD Bias Output Stage and Fast Current Monitor on a Single Chip
QV  PDF SFP+ Controller with Analog LDD Interface
DS1873

Controls and Monitors All Functions for SFP and SFP+ Modules
QV  PDF SFP+ Controller with Digital LDD Interface
DS1874

Combination of DS1874 and MAX3798/MAX3799 Provides APC Loop, Current Control, and Complete SFF-8472 Functionality
QV  PDF XFP Laser Control and Digital Diagnostic IC
DS1862A

Implements XFP MSA Requirements for Digital Diagnostics, Serial ID, and User Memory for Laser Control and Monitoring 10Gbps Optical Transceiver Modules (XFP)
QV  PDF PON Triplexer and SFP Controller
DS1875

Industry's Next-Generation PON/SFP Controller with APD Boost Converter for Fiber Optic Modules
QV  PDF Temperature-Controlled, NV, I²C, Logarithmic Resistor
DS1841

Industry's Only Temperature-Compensated Resistor Optimized for APD Bias in Fiber Optic Modules
QV  PDF Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection
DS1856

QV  PDF XFP Laser Control and Digital Diagnostic IC
DS1862

Implements XFP MSA Requirements for Digital Diagnostics, Serial ID, and User Memory for Laser Control and Monitoring 10Gbps Optical Transceiver Modules (XFP)
QV  PDF Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors
DS1859

New 20kΩ Option for Popular DS1859 SFP Optical Control/Monitor Provides Higher Control Resolution
QV  PDF Dual Temperature-Controlled Resistors with External Temperature Input and Monitors
DS1857




Key Specifications:  Digital Potentiometers
Part Number Taper POTs Control Interface Wiper Memory Steps REND-TO-END
(kΩ)
Res. Tol.
(%)
Temp. Coeff.
(ppm/°C)
Wiper Resistance
(Ω)
ICC @5V
(µA)
Smallest Available Pckg.
(mm2)
typ typ max max w/pins
DS1841  Log 1 I2C Non-Volatile 128 22 20 250 370 1 10
See All Digital Potentiometers (123)

Key Specifications:  Fiber Monitoring and Control
Part Number Features ADCs Resolution
(bits)
DACs/ Resistors FS Out
(kΩ)
Steps Temp. Sensor Memory VSUPPLY
(V)
Control Interface EV Kit
DS1875 
Alarm Flags
Alarm/Warning Flags
Complies or Compatible to SFF-8472
Internal Calibration
Look-Up Table Compensation
Maskable Laser Shutdown Capability
Scalable Dynamic Ranging (Right Shifting)
User EEPROM
10-Input Muxable 13 4 DACs None 256 or 4096 Internal EEPROM 2.85 to 3.9 I2C Yes
DS1862A 
Alarm Flags
Alarm/Warning Flags
Internal Calibration
Look-Up Table Compensation
Scalable Dynamic Ranging (Right Shifting)
User EEPROM
7-Input Muxable 16 1 DAC - - Internal
3.3
5
2-Wire
I2C
-
DS1862 
Alarm Flags
Alarm/Warning Flags
Internal Calibration
Look-Up Table Compensation
Scalable Dynamic Ranging (Right Shifting)
User EEPROM
7-Input Muxable 16 1 DAC - - Internal
3.3
5
2-Wire
I2C
-
DS1856 
Alarm/Warning Flags
Complies or Compatible to SFF-8472
External Calibration
Internal Calibration
Look-Up Table Compensation
Scalable Dynamic Ranging (Right Shifting)
User EEPROM
5-Input Muxable 12 2 Resistors
20kohms
50kohms
256 Internal
3.3
5
I2C Yes
DS1859 
Alarm/Warning Flags
Complies or Compatible to SFF-8472
External Calibration
Internal Calibration
Look-Up Table Compensation
Scalable Dynamic Ranging (Right Shifting)
User EEPROM
5-Input Muxable 12 2 Resistors
20kohms
50kohms
256 Internal
3.3
5
2-Wire Yes
DS1857 
Alarm Flags
Complies or Compatible to SFF-8472
External Calibration
Look-Up Table Compensation
User EEPROM
4-Input Muxable 12 2 Resistors 50kohms 256 External
3.3
5
2-Wire Yes
See All Fiber Monitoring and Control (12)



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