Product Overview
The SN75LVDS83BDGGR from TI is a 21-bit LVDS flat link transmitter that serializes 21 CMOS/TTL data lines and 1 clock into 4 LVDS data pairs plus 1 LVDS clock pair. It supports up to 155 Mbps per channel for flat panel display and video link applications.
Key Specifications
| Function | 21-bit LVDS flat link transmitter |
| Data Rate | Up to 155 Mbps per channel |
| Channels | 21 data + 1 clock |
| Supply Voltage | 3.3V |
| Power | Typical 150 mW |
| Package | TSSOP-56 (6.1x14mm) |
Working Principle
21 parallel CMOS inputs are internally serialized into 4 LVDS differential pairs using a 7:1 serialization ratio. A separate clock pair provides timing reference. LVDS signaling (350 mV swing, 100 ohm differential impedance) enables low-EMI, high-speed transmission over cable or PCB trace to a companion deserializer.
Applications
- Flat panel display link
- Video signal transmission
- Printer/scanner data link
- Industrial camera interface