DS1864T+TR - Brand New Maxim Integrated Laser Drivers
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Description
The DS1864T+TR is an SFF-8472 multisource agreement (MSA)-compliant laser controller/monitor that is ideal for SFP optical-transceiver module designs. It controls laser driver bias and modulation currents through a pair of temperature-controlled current-sink DACs. System diagnostics are provided by monitoring three analog inputs, VCC, and temperature through the internal temperature sensor. The device also contains all EEPROM required by the SFF-8472 MSA, including all A0h and A2h EEPROM. The DS1864T+TR’s memory map can be configured to be compatible with both the DS1852/DS1856 and the DS1859 memory maps. Additionally, memory is secured with customer-configurable two-level password protection.
Specifications and features
- SFF-8472 MSA Compatible - Five Monitored Channels (Temperature, VCC, MON1, MON2, MON3) - Three External Analog Inputs (MON1, MON2, MON3) Support Internal and External Calibration - Enhanced RSSI Monitoring (26dB Range, 0.5dB Accuracy) - Scalable Dynamic Range for External Analog Inputs - Internal Direct-to-Digital Temperature Sensor Alarm and Warning Flags for All Monitored Channels - Two Linear 8-Bit Current-Sink DACs Two User-Selectable Full-Scale Ranges (0.5mA or 1.5mA) Values Changeable Every 2°C - Three Fast-Trip Comparators (Tx Power High, Tx Power Low, and Bias Current) for Eye Safety - Flexible, Two-Level Password Scheme Provides Three Levels of Security - Provides All Optional and Required SFF-8472 MSA EEPROM (Both A0h and A2h Memory) - I2C-Compatible Serial Interface - Operates from a 3.3V or 5V Supply - -40°C to +95°C Operating Temperature Range - 28-Pin TQFN Package (5mm x 5mm)
Application Scenarios
The DS1864T+TR is commonly used in SFP optical-transceiver module designs where full control and monitoring of laser driver bias and modulation currents are required. It is also suitable for any application that requires SFF-8472 MSA compatibility and reliable system diagnostics through analog inputs.
Comparison
Advantages- SFF-8472 MSA compliant for compatible integration with other devices - Provides detailed monitoring and control functions for optimal performance - Flexible password protection for secured memory access - Wide operating temperature range for diverse environments - Compact 28-pin TQFN package for space-saving designs
Disadvantages- Requires external calibration for analog inputs - Limited range for dynamic current-sink DACs
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Datasheet
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Shopping guide
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- Datasheet: Download DS1864T+TR
- Chipdatas Part: CD90-DS1864T+TR
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 08:25 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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