Overview
The SN75LVDS389DBTG4 is a part of the LVDS (Low-Voltage Differential Signaling) family of differential line drivers produced by Texas Instruments. This component is designed to implement the electrical characteristics of LVDS, which reduces power consumption, increases switching speeds, and allows operation with a 3.3-V supply rail. The SN75LVDS389 is specifically an eight-line driver that meets or exceeds the requirements of the ANSI EIA/TIA-644 standard. Although this product is currently obsolete and not recommended for new designs, it remains relevant for existing applications and maintenance purposes.
Key Specifications
| Specification | Value |
|---|---|
| Package | TSSOP (DBT) - 38 pins |
| Operating Temperature Range | 0°C to 70°C |
| Signaling Rate | Up to 630 Mbps |
| Output Voltage | Typical 350 mV with 100-Ω load |
| Propagation Delay | |
| Output Skew | |
| Part-to-Part Skew | |
| Power Dissipation per Driver | |
| Supply Voltage | |
| Logic Input Compatibility |
Key Features
- Meets or exceeds 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.
- 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
The SN75LVDS389DBTG4 is suitable for various high-speed data transmission applications, including:
- High-speed data transmission systems.
- Flat panel displays.
- High-definition video interfaces.
- Industrial control systems requiring high-speed signaling.
- Automotive and aerospace applications where low EMI is crucial.
Q & A
- What is the primary function of the SN75LVDS389DBTG4?
The SN75LVDS389DBTG4 is an eight-line differential line driver designed for low-voltage differential signaling (LVDS), primarily used for high-speed data transmission. - What is the maximum signaling rate of the SN75LVDS389DBTG4?
The maximum signaling rate is up to 630 Mbps. - What is the typical output voltage of the SN75LVDS389DBTG4?
The typical output voltage is 350 mV with a 100-Ω load. - What is the operating temperature range of the SN75LVDS389DBTG4?
The operating temperature range is from 0°C to 70°C. - Is the SN75LVDS389DBTG4 still in production?
No, the SN75LVDS389DBTG4 is obsolete and not recommended for new designs. - What type of package does the SN75LVDS389DBTG4 come in?
The SN75LVDS389DBTG4 comes in a TSSOP (DBT) package with 38 pins. - What is the power dissipation per driver at 200 MHz?
The power dissipation per driver is 35 mW at 200 MHz. - Are the logic inputs 5-V tolerant?
Yes, the logic inputs are low-voltage TTL (LVTTL) and are 5-V tolerant. - What is the ESD protection level for the SN65 version of this device?
The ESD protection level exceeds 15 kV for the SN65 version. - What are some common applications for the SN75LVDS389DBTG4?
Common applications include high-speed data transmission systems, flat panel displays, high-definition video interfaces, and industrial control systems.
