HXR45400-DNU

Overview

The HXR45400-DNU is a quad-channel linear Trans-Impedance Amplifier (TIA) array from the Optical Receiver Transmitter Array (ORTA) family. It operates from a 3.3V supply and features a typical differential gain of up to 5kΩ, adjustable output voltage swing from 150mVppd to 500mVppd, and a typical bandwidth of 40GHz. The device provides exceptionally low input-referred current noise density of 13pA/√Hz and supports linear operation with internal AGC up to 3mA overload. Power consumption is specified at 190mW per channel.

Feature Summary

• High receiver sensitivity for up to 112Gbps PAM4 Ethernet applications
• Linear operation capability with internal Automatic Gain Control (AGC)
• Optimized compatibility with isolated and common cathode photo-detector arrays
• Compliance with 100G Lambda MSA and IEEE 802.3bs and cd standards

Applications

• Next-generation Ethernet optical receiver modules including 400G QSFP-DD, OSFP, and OBO
• 400G Linear LR ROSA designs
• Compact linear Receiver Optical Sub-Assembly (ROSA) development

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm package type and tape-and-reel specifications. Confirm that the component meets all required environmental operating conditions and electrical parameters for your target application before finalizing procurement decisions.

Selection Notes

Select this component for high-speed optical transceiver designs requiring low power consumption and wide dynamic range. Ensure the design accommodates the 3.3V supply requirement and integrates compatible PIN detector arrays to leverage the TIA's optimized performance characteristics.

Part Context

The HXR45400 belongs to the ORTA product family, designed as a low-power, single-ended input amplifier array. It serves as a critical building block for next-generation optical transceivers utilizing advanced modulation schemes, enabling compact module designs through integrated signal processing capabilities.

Replacement Considerations

Consult official documentation for confirmed substitute part numbers within the ORTA family or equivalent high-speed TIA solutions.

FAQ

What is the typical input-referred current noise density?

The typical input-referred current noise density is 13pA/√Hz.

Does the HXR45400 support automatic gain control?

Yes, the device features linear operation with internal Automatic Gain Control (AGC).