Overview
Description
The HXT42400 is a low power, Direct Modulated Laser (DML) driver array for CLR4 / LR4 optical applications that supports data rates up to 28Gbps and optical reach up to 10km. In conjunction with a DFB laser diode array or individual DFB laser diodes, the device handles the complete digital-to-optical conversion, including a CML input stage with equalization, laser driver IBIAS and IMOD current drive control, and supervision. Designed for direct DC-coupled anode drive of the DFB laser diode for cost-effective and compact assemblies. Available in die form.
Features
- Supports Modulation / BIAS currents up to: IMOD = 60mAPP and IBIAS = 60mAPP
- 2.5V to 3.3V Supply operation
- Programmable Input Equalization
- Input Signal Detect (SD) with Squelch
- Programmable Input Polarity Inversion
- Programmable Pulse Width Adjustment
- Programmable Laser Modulation Current Amplitude, Peaking, and Peaking Duration
- Integrated Temperature Sensor
- Interrupts with User selectable Mask control
- Laser Disable for IMOD and IBIAS
- 2-wire interface control and symmetric pad design maximize module design flexibility
- QSFP MSA Compliant
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Product Brief | PDF 220 KB | |
| End Of Life Notice | PDF 1.11 MB | |
| End Of Life Notice | PDF 160 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
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