PI2EQX8814ANJEX

Product Overview

• Category: Integrated Circuit
• Use: Signal conditioning and equalization for high-speed serial links
• Characteristics: High performance, low power consumption, compact size
• Package: 48-pin QFN (Quad Flat No-Lead)
• Essence: Signal integrity enhancement for high-speed data transmission
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Data Rate: Up to 10 Gbps
• Number of Channels: 4
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Dimensions: 7mm x 7mm

Detailed Pin Configuration

The PI2EQX8814ANJEX has a total of 48 pins. The pin configuration is as follows:

1. VCC
2. VCC
3. Channel 1 Input
4. Channel 1 Output
5. Channel 1 EQ Control
6. Channel 1 Polarity Invert
7. Channel 1 LOS
8. Channel 1 CDR Lock
9. Channel 1 EQ Bypass
10. Channel 1 EQ Gain Select
11. Channel 1 EQ Boost
12. Channel 1 EQ Level
13. Channel 1 Pre-emphasis
14. Channel 1 Post-emphasis
15. Channel 1 Termination
16. Channel 1 Bias
17. Channel 2 Input
18. Channel 2 Output
19. Channel 2 EQ Control
20. Channel 2 Polarity Invert
21. Channel 2 LOS
22. Channel 2 CDR Lock
23. Channel 2 EQ Bypass
24. Channel 2 EQ Gain Select
25. Channel 2 EQ Boost
26. Channel 2 EQ Level
27. Channel 2 Pre-emphasis
28. Channel 2 Post-emphasis
29. Channel 2 Termination
30. Channel 2 Bias
31. Channel 3 Input
32. Channel 3 Output
33. Channel 3 EQ Control
34. Channel 3 Polarity Invert
35. Channel 3 LOS
36. Channel 3 CDR Lock
37. Channel 3 EQ Bypass
38. Channel 3 EQ Gain Select
39. Channel 3 EQ Boost
40. Channel 3 EQ Level
41. Channel 3 Pre-emphasis
42. Channel 3 Post-emphasis
43. Channel 3 Termination
44. Channel 3 Bias
45. Channel 4 Input
46. Channel 4 Output
47. Channel 4 EQ Control
48. Channel 4 Polarity Invert

Functional Features

• Signal conditioning and equalization for high-speed serial links
• Adaptive equalization to compensate for signal degradation
• Programmable gain control for optimal signal integrity
• Automatic polarity inversion detection and correction
• Loss of signal (LOS) detection for link status monitoring
• Clock data recovery (CDR) lock indication
• Built-in bypass mode for direct signal path
• Pre-emphasis and post-emphasis adjustment for signal shaping
• Integrated termination resistors for impedance matching
• Biasing circuitry for proper signal levels

Advantages and Disadvantages

Advantages

• High performance signal conditioning for reliable data transmission
• Low power consumption for energy-efficient operation
• Compact size allows for space-saving integration
• Wide operating temperature range for versatile applications

Disadvantages

• Limited to 4 channels, may not be suitable for applications requiring more channels
• Requires external components for complete signal chain implementation

Working Principles

The PI2EQX8814ANJEX is designed to enhance the signal integrity of high-speed serial links. It employs adaptive equalization techniques to compensate for signal degradation caused by transmission line losses, reflections, and inter-symbol interference. The integrated circuit automatically adjusts the equalization settings based on the received signal characteristics, ensuring optimal signal quality.

The device also features programmable gain control, allowing users to fine-tune the signal levels for optimal performance. Polarity inversion detection and correction ensure proper signal orientation, while loss of signal (LOS) detection provides link status monitoring.

By incorporating clock data recovery (CDR) functionality, the PI2EQX8814ANJEX can recover the clock signal from the incoming data stream, enabling accurate data sampling. The integrated bypass mode allows for a direct signal path when required, minimizing latency.

Pre-emphasis and post-emphasis adjustments enable signal shaping to compensate for channel-specific characteristics. Integrated termination resistors ensure impedance matching, reducing signal reflections and improving overall signal integrity. Biasing circuitry ensures proper signal levels for reliable data transmission.

Detailed Application Field Plans

The PI2EQX