SN65LVDS122DG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: LVDS Serializer/Deserializer
• Characteristics:
  • High-speed data transmission
  • Low voltage differential signaling
  • Robust noise immunity
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Converts parallel data to serial data and vice versa
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3V to 3.6V
• Operating Temperature Range: -40°C to 85°C
• Data Rate: Up to 400 Mbps
• Number of Channels: 2
• Input/Output Interface: LVCMOS/LVTTL to LVDS
• ESD Protection: ±8kV (HBM), ±1kV (CDM)

Pin Configuration

The SN65LVDS122DG4 has a total of 16 pins. The pin configuration is as follows:

1. VCCO1: Power supply for Channel 1 output
2. O1A: Channel 1 output A
3. O1B: Channel 1 output B
4. GND: Ground
5. I1A: Channel 1 input A
6. I1B: Channel 1 input B
7. VCCO2: Power supply for Channel 2 output
8. O2A: Channel 2 output A
9. O2B: Channel 2 output B
10. GND: Ground
11. I2A: Channel 2 input A
12. I2B: Channel 2 input B
13. VCC: Power supply
14. OE: Output enable
15. GND: Ground
16. NC: No connection

Functional Features

• Converts parallel data to serial data and vice versa
• Supports high-speed data transmission up to 400 Mbps
• Utilizes low voltage differential signaling for noise immunity
• Provides ESD protection for robust operation
• Allows individual channel control with output enable pin

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Robust noise immunity due to LVDS technology - Compact SOIC package for easy integration - Individual channel control for flexibility

Disadvantages: - Limited number of channels (2) - Requires external power supply

Working Principles

The SN65LVDS122DG4 operates by converting parallel data into serial data or vice versa. It utilizes low voltage differential signaling (LVDS) technology, which involves transmitting data as a voltage difference between two wires. This allows for high-speed data transmission while minimizing noise interference.

The IC receives parallel data through its input pins and converts it into a serial stream of bits. Similarly, it can receive a serial data stream and convert it back into parallel data. The output pins provide the converted data.

The IC also features an output enable pin, which allows individual channel control. When the output enable is active, the corresponding channel's outputs are enabled, and when it is inactive, the outputs are disabled.

Detailed Application Field Plans

The SN65LVDS122DG4 finds applications in various fields where high-speed data transmission and noise immunity are crucial. Some of the detailed application field plans include:

1. Automotive: Used in automotive infotainment systems for transmitting audio and video data between different components.
2. Industrial Automation: Enables reliable communication between industrial control systems and sensors/actuators over long distances.
3. Medical Equipment: Facilitates high-speed data transfer in medical imaging devices such as ultrasound machines and MRI scanners.
4. Communication Systems: Used in high-speed data communication equipment like routers, switches, and network interfaces.

Detailed and Complete Alternative Models

1. SN65LVDS123DG4: Similar to SN65LVDS122DG4 but with 3 channels instead of 2.
2. SN65LVDS124DG4: Offers 4 channels for parallel-to-serial and serial-to-parallel data conversion.
3. SN65LVDS125DG4: Provides 5 channels for applications requiring multiple data streams.

These alternative models offer similar functionality but with varying numbers of channels, allowing users to choose the one that best suits their specific requirements.

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