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SN75DP122RTQT from TI,Texas Instruments

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SN75DP122RTQT

Manufacturer: TI, BB/TI

DisplayPort 1:2 Switch with Integrated TMDS Translator 56-QFN 0 to 85
Partnumber Manufacturer Quantity Availability
SN75DP122RTQT TI, BB/TI 818 In Stock

Description and Introduction

DisplayPort 1:2 Switch with Integrated TMDS Translator 56-QFN 0 to 85 The SN75DP122RTQT is a DisplayPort (DP) redriver manufactured by Texas Instruments (TI). Below are the key specifications, descriptions, and features:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** SN75DP122RTQT  
- **Package:** WQFN (40-pin)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage:** 3.3V  
- **Data Rate:** Up to 5.4 Gbps per lane  
- **Compliance:** DisplayPort 1.2, HDMI 1.4b  
- **Interface:** 4-lane DisplayPort  

### **Descriptions:**  
- The SN75DP122RTQT is a high-speed redriver designed to extend the reach of DisplayPort signals by compensating for channel loss.  
- It supports both DisplayPort and HDMI protocols, making it suitable for video applications.  
- The device includes adaptive equalization to optimize signal integrity over varying cable lengths.  

### **Features:**  
- **Signal Conditioning:** Adaptive equalization and de-emphasis for improved signal integrity.  
- **Low Power:** Optimized power consumption for energy-efficient operation.  
- **Automatic Power Management:** Reduces power when no signal is detected.  
- **Hot-Plug Detection (HPD):** Supports DisplayPort HPD signaling.  
- **Pin-Selectable Configurations:** Allows customization for different system requirements.  

For detailed electrical characteristics and application notes, refer to the official TI datasheet.

Application Scenarios & Design Considerations

DisplayPort 1:2 Switch with Integrated TMDS Translator 56-QFN 0 to 85

Alternative Part Number

  • TDP142 --: TI DisplayPort redriver/mux with similar DP switching function and comparable package, direct functional replacement from the same vendor.
  • PI3DPX1203 --: DisplayPort 1.4 linear redriver/mux offering similar signal conditioning and switching, suitable cross-vendor alternative.
  • MAX14998 --: DisplayPort switch/redriver with comparable channel count and function, usable as an alternative with layout review.
  • TDP122RTQT --: Same DisplayPort switch function and QFN package, from the same vendor, with a different series prefix for easy distinction.
  • DP122RTQR --: Equivalent DisplayPort 1.2 switch in the same family and package, offered in tape-and-reel form for volume production.
  • HD3SS460RHR --: Alternative high-speed DisplayPort/USB Type-C mux switch with comparable signal integrity, suitable when the DP122 is unavailable.

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