Overview
The DS125BR401SQ/NOPB, produced by Texas Instruments, is a high-performance, low-power, 4-lane repeater and redriver designed to support multiple high-speed interface protocols. This device is part of a comprehensive family of repeaters and redrivers, offering interoperability with various protocols such as PCIe Gen-3/2/1, 10G-KR, sRIO, Infiniband, Interlaken, CPRI, and OBSAI, among others. It is optimized to compensate for signal degradation in lossy printed-circuit-board (PCB) backplanes and balanced cables, making it an essential component for high-speed data transmission systems.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (2.5-V mode) | 2.375 | 2.5 | 2.625 | V |
| Supply Voltage (3.3-V mode) | 3.0 | 3.3 | 3.6 | V |
| Operating Temperature Range | –40 | 25 | 85 | °C |
| Power Consumption per Channel | 65 | mW | ||
| ESD Rating | 5 kV | HBM | ||
| Package Type | 54-Pin Leadless WQFN | |||
| Package Size | 10.00 mm × 5.50 mm | |||
| Data Rate | Up to 12.5 Gbps |
Key Features
- Advanced signal conditioning features including receive equalization up to 30 dB at 6.25 GHz and transmit de-emphasis up to –12 dB.
- Programmable through pin selection, EEPROM, or SMBus interface.
- Single supply voltage: 2.5 V or 3.3 V (selectable).
- Low power consumption of 65 mW/channel (typical) with the option to power down unused channels.
- Flow-thru pinout in a 10-mm × 5.5-mm 54-pin leadless WQFN package.
- Support for various high-speed protocols including PCIe Gen-3/2/1, 10G-KR, sRIO, Infiniband, Interlaken, CPRI, and OBSAI.
- Nonlimiting output for PCIe and 10G-KR link training support.
- Transmit output voltage control: 700 mV to 1300 mV.
- Operating temperature range of –40°C to 85°C.
- 5-kV HBM ESD rating.
Applications
- PCIe Gen-3/2/1 interfaces.
- 10G-KR and 10GbE applications.
- SAS/SATA (up to 6 Gbps) and Fibre Channel (up to 10 GFC).
- sRIO, Infiniband, Interlaken, CPRI, and OBSAI protocols.
- Other proprietary high-speed interfaces up to 12.5 Gbps.
Q & A
- What is the primary function of the DS125BR401?
The DS125BR401 is a high-performance, low-power, 4-lane repeater and redriver designed to support multiple high-speed interface protocols by compensating for signal degradation in lossy PCB backplanes and balanced cables.
- What are the supported protocols by the DS125BR401?
The device supports PCIe Gen-3/2/1, 10G-KR, sRIO, Infiniband, Interlaken, CPRI, OBSAI, and other proprietary high-speed interfaces up to 12.5 Gbps.
- What are the power consumption and supply voltage options for the DS125BR401?
The device has a typical power consumption of 65 mW/channel and can operate with a single supply voltage of either 2.5 V or 3.3 V.
- How can the DS125BR401 be programmed?
The device can be programmed through pin selection, EEPROM, or SMBus interface.
- What is the operating temperature range of the DS125BR401?
The operating temperature range is –40°C to 85°C.
- What is the ESD rating of the DS125BR401?
The device has a 5-kV HBM ESD rating.
- What package type and size does the DS125BR401 come in?
The device is packaged in a 54-pin leadless WQFN package with dimensions of 10.00 mm × 5.50 mm.
- Can the DS125BR401 support link training for PCIe and 10G-KR?
Yes, the device provides nonlimiting output for PCIe and 10G-KR link training support.
- What are the advanced signal conditioning features of the DS125BR401?
The device includes receive equalization up to 30 dB at 6.25 GHz and transmit de-emphasis up to –12 dB.
- Can unused channels be powered down to save energy?
Yes, the DS125BR401 allows the option to power down unused channels to save energy.
