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LTC2629CGN from LINEAR

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LTC2629CGN

Manufacturer: LINEAR, LT

Quad 16-/14-/12-Bit Rail-to-Rail DACs with I2C Interface

Partnumber Manufacturer Quantity Availability
LTC2629CGN LINEAR, LT 2202 In Stock

Description and Introduction

Quad 16-/14-/12-Bit Rail-to-Rail DACs with I2C Interface The LTC2629CGN is a quad 12-bit digital-to-analog converter (DAC) manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Resolution:** 12-bit  
- **Number of Channels:** 4  
- **Interface Type:** SPI  
- **Supply Voltage:** 2.7V to 5.5V  
- **Output Type:** Voltage (buffered)  
- **Output Range:** 0V to VREF (programmable)  
- **Reference Input:** External or internal (software-selectable)  
- **DNL (Differential Nonlinearity):** ±1 LSB (max)  
- **INL (Integral Nonlinearity):** ±1 LSB (max)  
- **Settling Time:** 4.5μs (typical)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 16-Lead SSOP  

### **Descriptions and Features:**  
- **Low Power Operation:** Typically consumes 400μA per DAC at 3V.  
- **Rail-to-Rail Output:** Buffered voltage output swings close to ground and VREF.  
- **Power-On Reset:** DAC outputs reset to zero-scale or mid-scale (user-selectable).  
- **Software-Selectable Reference:** Each DAC can use an internal or external reference.  
- **SPI-Compatible Interface:** Supports 50MHz clock rate.  
- **Asynchronous CLR Pin:** Allows immediate reset of all DAC outputs.  
- **High Accuracy:** Low INL and DNL ensure precise output.  
- **Applications:** Industrial control, instrumentation, automated test equipment, and data acquisition systems.  

For exact details, refer to the official datasheet from Analog Devices (Linear Technology).

Application Scenarios & Design Considerations

Quad 16-/14-/12-Bit Rail-to-Rail DACs with I2C Interface

Alternative Part Number

  • MCP4728-E/UN --: Quad 12-bit I2C DAC in a similar small package, functionally comparable to the LTC2629 quad DAC and widely available.
  • AD5624RBRMZ --: Quad 12-bit DAC with internal reference and I2C/SPI interface, a strong pin-function alternative from a major DAC vendor.
  • DAC7574IDGS --: Quad 12-bit I2C DAC with similar resolution and channel count, offering a cost-effective second-source option.
  • AD5668BRUZ-2 --: Quad 16-bit DAC with SPI interface, functionally similar to the LTC2629 and pin-compatible in many designs; same Analog Devices/Linear Technology family lineage.
  • MCP4728A0-E/UN --: Quad 12-bit I2C DAC offering comparable multi-channel DAC functionality at lower resolution, suitable as a cost-effective substitute in non-critical applications.
  • DAC8568IBPW --: Octal 16-bit SPI DAC that can replace the quad-channel LTC2629 when additional channels are acceptable, with similar voltage-output architecture.

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