Overview
The SN65LVDS389DBTG4 is a high-speed differential line driver produced by Texas Instruments. This component is part of a family of devices that implement the electrical characteristics of low-voltage differential signaling (LVDS), which reduces power consumption, increases switching speeds, and allows operation with a 3.3-V supply rail. The SN65LVDS389 specifically features eight differential line drivers, making it suitable for various high-speed data transmission applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Drivers | 8 | - |
| Package Type | TSSOP (DBT) | - |
| Pins | 38 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage | 3.0 to 3.6 | V |
| Signaling Rate | Up to 630 Mbps | - |
| Differential Output Voltage | Typical 350 mV, Minimum 247 mV (into 100-Ω load) | mV |
| Propagation Delay Time | ns | |
| Output Skew | ps | |
| Part-to-Part Skew | ns | |
| Total Power Dissipation (at 200 MHz) | 35 mW per driver | mW |
| Bus-Pin ESD Protection | Exceeds 15 kV | kV |
Key Features
- Meets or exceeds the requirements of ANSI EIA/TIA-644 Standard.
- 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.
- 35-mW total power dissipation in each driver operating at 200 MHz.
- 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 (TSSOP) 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 SN65LVDS389DBTG4?
The SN65LVDS389DBTG4 is a high-speed differential line driver that implements low-voltage differential signaling (LVDS) for high-speed data transmission.
- How many differential line drivers does the SN65LVDS389DBTG4 have?
The SN65LVDS389DBTG4 features eight differential line drivers.
- What is the operating temperature range of the SN65LVDS389DBTG4?
The operating temperature range is from -40°C to 85°C.
- What is the typical output voltage of the SN65LVDS389DBTG4?
The typical output voltage is 350 mV into a 100-Ω load.
- What is the maximum signaling rate supported by the SN65LVDS389DBTG4?
The device supports signaling rates up to 630 Mbps.
- What kind of ESD protection does the SN65LVDS389DBTG4 offer?
The SN65 version of the device offers bus-pin ESD protection that exceeds 15 kV.
- What type of package is the SN65LVDS389DBTG4 available in?
The device is packaged in a thin shrink small-outline package (TSSOP) with 38 pins.
- Are the logic inputs of the SN65LVDS389DBTG4 5-V tolerant?
Yes, the low-voltage TTL (LVTTL) logic inputs are 5-V tolerant.
- What are some common applications of the SN65LVDS389DBTG4?
Common applications include wireless infrastructure, telecom infrastructure, and printers.
- How does the SN65LVDS389DBTG4 manage power dissipation?
The device has a total power dissipation of 35 mW per driver when operating at 200 MHz.
