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DS1861

Features: ` Automatic Power Control (APC) ` Automatic Extinction Ratio Control (AERC) Across Temperature and Laser Aging` Works in AC-Coupled Laser Systems` Configurable Latched Automatic Shutdown with Tx-Fault and Tx-Disable` Programmable Fast Alarm Conditions` I2C-Compatible Serial Interface All...

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SeekIC No. : 004328719 Detail

DS1861: Features: ` Automatic Power Control (APC) ` Automatic Extinction Ratio Control (AERC) Across Temperature and Laser Aging` Works in AC-Coupled Laser Systems` Configurable Latched Automatic Shutdown w...

DS1861 Data Sheet

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Part Number:
DS1861
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/5/19

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Product Details

Description



Features:

` Automatic Power Control (APC)
` Automatic Extinction Ratio Control (AERC) Across Temperature and Laser Aging
` Works in AC-Coupled Laser Systems
` Configurable Latched Automatic Shutdown with Tx-Fault and Tx-Disable
` Programmable Fast Alarm Conditions
` I2C-Compatible Serial Interface Allows Up to Eight Devices on the Same Serial Bus
` Operates Over Wide Supply-Voltage Range
` Nonvolatile Memory for Device Settings
` Small, 14-Pin TSSOP Package
` -40 to +95 Operating Temperature Range


Application

·Optical Transceivers
·Optical Transponders


Pinout

Connection Diagram


Specifications

Voltage Range on VCC, SDA, and SCL
Pins Relative to Ground....................................-0.5V to +6.0V
Voltage Range on A0, A1, A2, Tx-Fault, Tx-Disable,
BIASSET, MODSET, and BMD Relative to
Ground.................-0.5V to (VCC + 0.5V), not to exceed +6.0V
Operating Temperature Range ........................-40 to +95
EEPROM Programming Temperature Range.........0 to +70
Storage Temperature Range..........................-55 to +125
Soldering Temperature....................................See IPC/JEDEC
                                                           J-STD-020 Specification
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability


Description

The DS1861 is a laser-driver control IC designed to reduce the production cost of fiber optics circuits by eliminating multiple temperature tests. It works with nearly all laser-driver ICs to provide automatic power control (APC) and automatic extinction ratio control (AERC), which improves the performance of the system over temperature and aging. It also has built-in monitoring capability to provide early fault detection, which can be configured to latch the IC into a shutdown condition.Settings programmed into the DS1861 are stored in password-protected EEPROM memory, which writeprotects calibration data. Programming is accomplished through an I2C-compatible interface, which can also be used to read diagnostic information.




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