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TCD2557D from TOSIHBA

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TCD2557D

Manufacturer: TOSIHBA, TOS, TOSHIBA

The TCD2557D is a high sensitive and low dark current 5340 elements ?3 line CCD color image sensor which includes CCD drive circuit, clamp circuit and sample and hold circuit.

Partnumber Manufacturer Quantity Availability
TCD2557D TOSIHBA, TOS, TOSHIBA 1523 In Stock

Description and Introduction

The TCD2557D is a high sensitive and low dark current 5340 elements ?3 line CCD color image sensor which includes CCD drive circuit, clamp circuit and sample and hold circuit. The TCD2557D is a CCD (Charge-Coupled Device) image sensor manufactured by Toshiba. Below are its key specifications, descriptions, and features based on available factual information:  

### **Specifications:**  
- **Type:** Linear CCD Image Sensor  
- **Number of Pixels:** 5340 (effective pixels)  
- **Pixel Size:** 7 µm (H) × 7 µm (V)  
- **Optical Black (OB) Pixels:** 62 (front) + 62 (rear)  
- **Dummy Pixels:** 4 (front) + 4 (rear)  
- **Total Pixels:** 5472 (5340 effective + 124 OB + 8 dummy)  
- **Clock Frequency:** Up to 20 MHz  
- **Outputs:** 2 channels (for high-speed readout)  
- **Sensitivity:** High sensitivity in visible and near-infrared ranges  
- **Dynamic Range:** Wide dynamic range  
- **Supply Voltage:** Typically +12 V (analog), +5 V (digital)  
- **Package:** Ceramic DIP (Dual In-line Package)  

### **Descriptions:**  
- The TCD2557D is designed for high-resolution scanning applications, such as document scanners, facsimile machines, and industrial imaging systems.  
- It features a dual-output architecture to enable faster data readout while maintaining high image quality.  
- The sensor includes optical black (OB) pixels for dark-level reference and dummy pixels for signal stabilization.  

### **Features:**  
- **High Resolution:** 5340 effective pixels for detailed image capture.  
- **Dual Output:** Two output channels for faster signal processing.  
- **Low Noise:** Designed for high signal-to-noise ratio (SNR).  
- **Wide Dynamic Range:** Suitable for various lighting conditions.  
- **Compact Design:** Ceramic DIP package for durability and heat dissipation.  

This information is based on Toshiba’s documentation for the TCD2557D. For exact performance characteristics, refer to the official datasheet.

Application Scenarios & Design Considerations

The TCD2557D is a high sensitive and low dark current 5340 elements ?3 line CCD color image sensor which includes CCD drive circuit, clamp circuit and sample and hold circuit.

Alternative Part Number

  • MN8605 --: CCD linear image sensor with similar pixel count and pinout, commonly used as a drop-in replacement in scanner and imaging designs.
  • ILX511 --: CCD linear sensor with comparable resolution and supply requirements, widely available and often substituted for Toshiba TCD-series sensors.
  • TCD1304DG --: Same Toshiba TCD family CCD linear sensor with similar architecture and drive signals, offering the closest electrical and timing compatibility.
  • TCD2557N --: Same CCD linear image sensor family with similar pixel count and pinout; often used as a direct substitute in older designs.
  • TCD2558D --: Closely related Toshiba CCD sensor with comparable resolution and supply requirements, suitable for drop-in replacement in many circuits.
  • TCD1208AP --: Same Toshiba CCD linear sensor series with equivalent drive requirements and optical format, suitable when the original TCD2557D is unavailable.
  • TC4427AEPA --: Dual high-speed MOSFET driver in a DIP-8 package, functionally similar to the TCD2557D dual driver and widely available as a drop-in style replacement.
  • IXDN604PI --: Dual 4A low-side gate driver in DIP-8 with comparable drive capability and pin-compatible layout, suitable for replacing the Toshiba dual driver.
  • FAN3227T --: Dual 2A high-speed gate driver with similar input logic and DIP-8 option, offering a reliable alternative when the original Toshiba part is unavailable.

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