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LTC2619CGN from LINEAR

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LTC2619CGN

Manufacturer: LINEAR, LT

Quad 16-/14-/12-Bit Rail-to-Rail DACs with I2C Interface
Partnumber Manufacturer Quantity Availability
LTC2619CGN LINEAR, LT 3532 In Stock

Description and Introduction

Quad 16-/14-/12-Bit Rail-to-Rail DACs with I2C Interface The LTC2619CGN is a 16-bit, dual-channel I2C voltage output DAC (Digital-to-Analog Converter) manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Resolution:** 16-bit  
- **Channels:** 2 (Dual)  
- **Interface:** I2C (2-wire serial)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Output Voltage Range:** 0V to VREF (external reference dependent)  
- **Reference Input:** External (up to VDD)  
- **INL (Integral Nonlinearity):** ±4 LSB (max)  
- **DNL (Differential Nonlinearity):** ±1 LSB (max)  
- **Settling Time:** 10μs (typical)  
- **Power Consumption:** 0.7mA (typical at 3.3V)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 16-Lead SSOP  

### **Descriptions & Features:**  
- **High Precision:** 16-bit monotonic performance with low noise.  
- **I2C Interface:** Supports standard (100kHz) and fast (400kHz) modes.  
- **Rail-to-Rail Output:** Buffered voltage output swings close to GND and VDD.  
- **Power-On Reset:** Outputs reset to zero-scale or midscale (user-selectable).  
- **Low Glitch Impulse:** Minimizes output disturbances during updates.  
- **Small Footprint:** Suitable for space-constrained applications.  
- **Applications:** Industrial control, instrumentation, automated test equipment, and programmable voltage sources.  

This DAC is designed for precision applications requiring high-resolution analog outputs with minimal external components.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AD5662BRMZ --: Pin-compatible 16-bit DAC from the same analog family; Linear Technology is now part of Analog Devices, so this is a direct functional substitute with similar resolution and serial interface.
  • MCP4728A0-E/UN --: Quad 12-bit I2C DAC offering comparable multi-channel DAC functionality in a small package; suitable when exact resolution is not critical.
  • DAC8564IBPW --: Quad 16-bit voltage-output DAC with SPI interface, providing equivalent channel count and resolution as a cross-vendor alternative.
  • AD5662BRMZ-1 --: Single-channel 16-bit DAC with similar SPI interface and voltage output; Analog Devices is the parent brand of Linear Technology, so process and specifications are closely matched.
  • MCP4922-E/P --: Dual 12-bit DAC with SPI interface in a DIP package; a practical drop-in for lower-resolution applications and widely available.
  • DAC8552IDGKR --: Dual 16-bit voltage-output DAC with SPI interface, comparable resolution and supply range, offering a second-source option.

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