Overview
Description
The HXT14100 is a single channel, low power, linear PAM4 VCSEL driver for SR optical applications that supports signaling rates up to 28GBaud or 56Gbps PAM4. In conjunction with an individual DFB laser diode, the device handles the complete digital-to-optical conversion, including CML input with equalization, laser driver, drive control, and supervision. The HXT14100 also integrates a number of functions required for Automatic Power Control (APC), as well as internal and module temperature measurements and reporting. Using the included RSSI input, the module receive optical power can also be measured and reported. Designed for direct DC-coupled die in TOSA applications with a small number of additional components for cost-effective and compact assemblies. Available in die form.
Features
- 227mW per channel PDISS if configured for:
- IMOD = 5mAPP
- IBIAS = 5mA
- Supports up to: IMOD = 12mAPP & IBIAS = 12mA with VCC = 3.3V
- Integrated 12-bit ADC with 6 channel analog multiplexor front-end
- Programmable 8-bit Laser Modulation and Bias current control
- Integrated Bias Monitor, Transmit and Receive Power monitor capability
- Automatic Power Control (APC)
- Programmable Input LOS and Squelch function with disable, Transmit Disable, and Transmit Fault indication
- Programmable Input CTLE Equalization
- Integrated Temperature Sensor and input for external module temperature sensor
- Interrupts with User selectable Mask control
- Input Polarity Inversion
- Laser Disable for IMOD and IBIAS
- Integrated OTP for calibration
- 2-wire interface control
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet - Short-form | PDF 208 KB | |
| Datasheet | PDF 1.05 MB | |
| End Of Life Notice | PDF 160 KB | |
| Product Change Notice | PDF 134 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.
Processing table
| BOARD | C | Box | 0 | Get Samples, | ||
| WAFER | E | WFP | 0 | 40.57 | Get Samples, |
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