Overview
The SN65LVDS391PWG4 from Texas Instruments is a high-speed differential line driver that implements the electrical characteristics of low-voltage differential signaling (LVDS). This device is part of a family that includes 4, 8, and 16 differential line drivers, designed to reduce power consumption, increase switching speeds, and operate with a 3.3-V supply rail. The SN65LVDS391PWG4 specifically features four differential line drivers, making it suitable for various high-speed data transmission applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Drivers | 4 | |
| Signaling Rate | Up to 630 Mbps | |
| Output Voltage | Typical 350 mV with 100-Ω load | mV |
| Propagation Delay | Less than 2.9 ns | ns |
| Output Skew | Less than 150 ps | ps |
| Part-to-Part Skew | Less than 1.5 ns | ns |
| Total Power Dissipation (at 200 MHz) | 35 mW | mW |
| Operating Temperature Range | –40°C to 85°C | °C |
| Package Type | TSSOP (Thin Shrink Small-Outline Package) | |
| Package Dimensions | 9.70 mm × 4.40 mm | mm |
| Bus-Pin ESD Protection | Exceeds 15 kV | kV |
| Supply Voltage | 3.0 to 3.6 V | V |
Key Features
- Meets or exceeds the requirements of ANSI EIA/TIA-644 standard for LVDS.
- Designed for signaling rates up to 630 Mbps with very low radiation (EMI).
- Low-voltage differential signaling with typical output voltage of 350 mV and a 100-Ω load.
- Propagation delay times less than 2.9 ns and output skew less than 150 ps.
- Part-to-part skew less than 1.5 ns.
- Driver is high-impedance when disabled or with VCC < 1.5 V.
- SN65 version bus-pin ESD protection exceeds 15 kV.
- Packaged in thin shrink small-outline package with 20-mil pin pitch.
- Low-voltage TTL (LVTTL) logic inputs are 5-V tolerant.
Applications
- Wireless Infrastructure
- Telecom Infrastructure
- Printers
Q & A
- What is the primary function of the SN65LVDS391PWG4?
The SN65LVDS391PWG4 is a high-speed differential line driver designed for low-voltage differential signaling (LVDS) applications.
- What is the maximum signaling rate supported by the SN65LVDS391PWG4?
The device supports signaling rates up to 630 Mbps.
- What is the typical output voltage of the SN65LVDS391PWG4?
The typical output voltage is 350 mV with a 100-Ω load.
- What is the propagation delay of the SN65LVDS391PWG4?
The propagation delay is less than 2.9 ns.
- What is the operating temperature range of the SN65LVDS391PWG4?
The device operates from –40°C to 85°C.
- What type of package does the SN65LVDS391PWG4 come in?
The device is packaged in a Thin Shrink Small-Outline Package (TSSOP).
- Does the SN65LVDS391PWG4 have ESD protection?
Yes, the SN65 version bus-pin ESD protection exceeds 15 kV.
- Are the logic inputs of the SN65LVDS391PWG4 5-V tolerant?
Yes, the low-voltage TTL (LVTTL) logic inputs are 5-V tolerant.
- What are some common applications for the SN65LVDS391PWG4?
Common applications include wireless infrastructure, telecom infrastructure, and printers.
- How many differential line drivers does the SN65LVDS391PWG4 have?
The SN65LVDS391PWG4 has four differential line drivers.
