Overview
The DS25BR150TSD/NOPB is a high-speed, single-channel LVDS (Low Voltage Differential Signaling) buffer designed by Texas Instruments. This device is optimized for high-speed signal transmission over printed circuit boards and balanced cables, ensuring exceptional signal integrity and noise immunity. It operates at data rates up to 3.125 Gbps and features low power consumption, making it suitable for various high-speed applications. The DS25BR150 is housed in a small 3 mm x 3 mm WSON-8 package, minimizing board space and facilitating easy board layout with its flow-through pinout.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | -0.3V | +4V | V | ||
| LVDS Input Voltage (IN+, IN-) | -0.3V | +4V | V | ||
| Differential Input Voltage |VID| | 0V | 1V | V | ||
| LVDS Output Voltage (OUT+, OUT-) | -0.3V | VCC + 0.3V | V | ||
| Differential Output Voltage ((OUT+) - (OUT-)) | 0V | 1V | V | ||
| Differential Propagation Delay High to Low (tPHLD) | RL = 100Ω | 370 ps | 520 ps | 520 ps | ps |
| Differential Propagation Delay Low to High (tPLHD) | RL = 100Ω | 355 ps | 520 ps | 520 ps | ps |
| Pulse Skew |tPLHD − tPHLD| (tSKD1) | 15 ps | 100 ps | 100 ps | ps | |
| Part to Part Skew (tSKD2) | 45 ps | 160 ps | 160 ps | ps | |
| Rise Time (tLHT) | RL = 100Ω | 80 ps | 150 ps | 150 ps | ps |
| Fall Time (tHLT) | RL = 100Ω | 80 ps | 150 ps | 150 ps | ps |
| Supply Current (ICC) | 27 mA | 35 mA | 35 mA | mA | |
| Input Termination Resistor (RIN) | Between IN+ and IN- | 100 Ω | Ω | ||
| Output Termination Resistor (ROUT) | Between OUT+ and OUT- | 100 Ω | Ω |
Key Features
- DC - 3.125 Gbps low jitter, high noise immunity, and low power operation.
- On-chip 100 Ω input and output termination to minimize insertion and return losses and reduce component count and board space.
- 7 kV ESD protection on LVDS I/O pins to protect adjoining components.
- Small 3 mm x 3 mm WSON-8 space-saving package.
- Wide input common mode range allows the receiver to accept signals with LVDS, CML, and LVPECL levels.
- Flow-through pinout for easy board layout.
- Differential inputs and outputs are internally terminated with a 100 Ω resistor.
Applications
- Clock or data buffering/repeating.
- OC-48 / STM-16 clock or data buffering/repeating.
- InfiniBand applications.
- FireWire applications.
Q & A
- What is the maximum data rate supported by the DS25BR150?
The DS25BR150 supports data rates up to 3.125 Gbps.
- What is the typical supply current of the DS25BR150?
The typical supply current is 35 mA.
- What is the differential output voltage range of the DS25BR150?
The differential output voltage range is 0V to 1V.
- Does the DS25BR150 have built-in ESD protection?
Yes, it has 7 kV ESD protection on LVDS I/O pins.
- What package type is the DS25BR150 available in?
The DS25BR150 is available in a 3 mm x 3 mm WSON-8 package.
- Can the DS25BR150 accept signals from different differential drivers?
Yes, it can accept signals from LVDS, CML, and LVPECL drivers due to its wide input common mode range.
- What is the purpose of the on-chip 100 Ω termination resistors?
The on-chip 100 Ω termination resistors minimize insertion and return losses, reduce component count, and minimize board space.
- What are some common applications of the DS25BR150?
Common applications include clock or data buffering/repeating, OC-48 / STM-16, InfiniBand, and FireWire.
- How does the flow-through pinout of the DS25BR150 benefit board design?
The flow-through pinout allows for easy board layout.
- What is the typical rise and fall time of the DS25BR150?
The typical rise and fall time is 80 ps to 150 ps.
