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Product Detailed Parameters
- Description：LINE TRANSCEIVER, 1 FUNC, 4 DRIV
- Series：-
- Mfr：National Semiconductor
- Package：Bulk
- Type：Buffer, ReDriver
- Applications：LVDS
- Input：CML, LVDS, LVPECL
- Output：LVDS
- Data Rate (Max)：2Gbps
- Number of Channels：4
- Delay Time：1.0ns
- Signal Conditioning：Output Pre-Emphasis
- Voltage - Supply：3V ~ 3.6V
- Current - Supply：175mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：48-TQFP
- Supplier Device Package：48-TQFP (7x7)
- Capacitance - Input：3 pF
- Grade：-
- Qualification：-
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Overview
The DS15BR401TVS is a four-channel LVDS buffer and repeater manufactured by Texas Instruments, formerly part of National Semiconductor. It supports data rates up to 2 Gb/s with an operating supply voltage range of 3 V to 3.6 V. The device accepts CML, LVDS, or LVPECL input signals and provides LVDS outputs. It operates within a temperature range of -40°C to +85°C and is housed in a 48-pin TQFP package. The typical propagation delay is 2 ns, and the quiescent current is approximately 215 mA.
Feature Summary
- Four independent channels for signal buffering and repeating
- Supports multiple input standards including CML, LVDS, and LVPECL
- Integrated internal 100-ohm output termination resistors
- Low skew and jitter performance for high-speed serial links
Applications
- High-speed serial communication interfaces
- Display panel driver circuits
- Test and measurement equipment
- Industrial automation systems
Procurement Notes
Verify the manufacturer designation as Texas Instruments, as National Semiconductor was acquired. Confirm the specific suffix TVS indicates the TQFP-48 package variant. Ensure the NOPB suffix is present if lead-free compliance is required. Cross-reference the datasheet revision to ensure compatibility with current design specifications.
Selection Notes
Select this component when interfacing between different logic families such as CML to LVDS. Verify that the load capacitance and trace impedance match the device's driving capabilities. Consider the thermal dissipation characteristics given the 215 mA operating current. Ensure the PCB layout accommodates the 48-pin TQFP footprint.
Part Context
This component belongs to the DS15BR40x series of LVDS interface devices. It serves as a bridge for converting and distributing low-voltage differential signals across printed circuit boards. The device is designed to maintain signal integrity over moderate distances in high-speed digital environments.
Replacement Considerations
The DS15BR401TSQ/NOPB is a qualified automotive version of this device. Other members of the DS15BR40x family may offer similar functionality but should be verified for pin compatibility and electrical specifications.
