Features
- High receiver sensitivity for 56Gbps PAM4 Ethernet applications
- Low-power mode
- Power consumption as low as 140mW/ch
- Industrial operating temperature range from -40 °C to 95 °C
- Up to 5kΩ typical differential gain
- Wide adjustable output voltage swing
- Linear operation up to 3mAppSE overload with internal AGC
- Up to 30GHz typical bandwidth
- 9pA/√Hz input-referred current noise density
- RSSI, LOS, and Rx Disable functions
- I²C interface
- IEEE 802.3bs compliance
Description
The HXR44400 is an extension of a low-power, single-ended input, quad-channel linear Trans-Impedance Amplifier (TIA) array, and a member of the Optical Receiver Transmitter Array (ORTA) product family. Together with an array of PIN detectors or a group of detectors, the HXR44400 can be used to design a compact linear Receiver Optical Sub-Assembly (ROSA) for the next generation 200G optical transceivers with advanced modulation schemes. HXR44400 supports 28GBaud PAM4 applications.
This TIA operates in a 3.3V supply or 2.9V supply for low power consumption, providing exceptionally low input referred noise density, wide input optical power range, excellent linearity up to 3mA overload, and a high bandwidth. The device is designed with the patented adaptive biasing scheme.
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