Overview
The ONET4201PA, produced by Texas Instruments, is a versatile high-speed limiting amplifier designed for multiple fiber optic applications. It operates at data rates ranging from 155 Mbps to 4.25 Gbps, making it suitable for various high-speed communication systems. The device features a single 3.3-V supply, high input dynamic range, and low power consumption of typically less than 89 mW. It is packaged in a small footprint 3-mm × 3-mm 16-pin QFN package and is pin-compatible with the ONET2501PA and ONET3301PA.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3.0 to 3.6 | V |
| Supply Current (DISABLE = low, includes CML output current) | 35 to 45 | mA |
| Supply Current (DISABLE = low, excludes CML output current) | 27 to 35 | mA |
| Supply Current (DISABLE = high) | 0.25 to 10 | mA |
| Differential Data Output Voltage Swing | 520 to 1200 | mVp-p |
| Data Input/Output Resistance | 50 | Ω |
| Operating Temperature Range | -40 to 85 | °C |
| Package Type | 16-pin QFN (RGT) |
Key Features
- Multi-Rate Operation from 155 Mbps up to 4.25 Gbps
- 89 mW Power Consumption
- Input Offset Cancellation
- High Input Dynamic Range
- Output Disable
- CML Data Outputs
- Receive Signal Strength Indicator (RSSI)
- Loss of Signal Detection
- Polarity Select
- Single 3.3-V Supply
- Surface Mount Small Footprint 3-mm × 3-mm 16-Pin QFN Package
- Pin-Compatible with the ONET2501PA and ONET3301PA
Applications
- Multi-Rate OC3 to OC-48 FEC SONET/SDH Transmission Systems
- 1.0625 Gbps, 2.125 Gbps, and 4.25 Gbps Fibre Channel Receivers
- Gigabit Ethernet Receivers
Q & A
- What is the operating data rate range of the ONET4201PA?
The ONET4201PA operates at data rates from 155 Mbps up to 4.25 Gbps. - What is the typical power consumption of the ONET4201PA?
The typical power consumption is less than 89 mW. - What type of package does the ONET4201PA come in?
The device is packaged in a 3-mm × 3-mm 16-pin QFN package. - Is the ONET4201PA pin-compatible with other models?
Yes, it is pin-compatible with the ONET2501PA and ONET3301PA. - What are the key features of the ONET4201PA?
Key features include multi-rate operation, input offset cancellation, high input dynamic range, output disable, CML data outputs, RSSI, loss of signal detection, and polarity select. - What are the typical applications of the ONET4201PA?
Typical applications include multi-rate OC3 to OC-48 FEC SONET/SDH transmission systems, Fibre Channel receivers, and Gigabit Ethernet receivers. - What is the operating temperature range of the ONET4201PA?
The operating temperature range is from -40°C to 85°C. - How does the ONET4201PA handle input signal dynamic range?
The device ensures low jitter output signals even with input signal swings as high as 1200 mVp-p. - Does the ONET4201PA have a receive signal strength indicator (RSSI)?
Yes, it includes an RSSI feature. - How is the loss of signal detection implemented in the ONET4201PA?
The device provides a loss of signal detection feature with a programmable threshold level.
