LTC2619CGN#TRPBF

Overview

The LTC2619CGN#TRPBF is a quad 14-bit rail-to-rail voltage output digital-to-analog converter (DAC) in a 16-lead SSOP package. It features built-in high-performance output buffers and operates on a single supply voltage ranging from 2.7V to 5.5V. The device utilizes a 2-wire I²C compatible serial interface supporting standard mode (100kHz) and fast mode (400kHz). It incorporates a power-on reset circuit that holds outputs at zero-scale until a valid write and update occur. Key specifications include ±1 LSB DNL, ±4 LSB INL, and a maximum settling time of 9µs.

Feature Summary

• Quad 14-bit resolution with guaranteed monotonicity over temperature
• Rail-to-rail voltage output with ±15mA drive capability
• I²C interface with 27 selectable addresses via CA0/CA1/CA2 pins
• Low power operation: 250µA per DAC at 3V; individual channel power-down to 1µA

Applications

• Mobile Communications
• Process Control and Industrial Automation
• Automatic Test Equipment and Instrumentation

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging for the commercial grade (0°C to 70°C) variant. Confirm pinout compatibility with the 16-lead narrow SSOP package before integration. Ensure I²C bus pull-up resistors are selected appropriately for the operating voltage and capacitance limits defined in the datasheet timing characteristics.

Selection Notes

Select this component when board density is critical due to its status as one of the smallest pin-compatible quad DACs. Choose the LTC2619 specifically for applications requiring 14-bit resolution between the 12-bit LTC2629 and 16-bit LTC2609. Consider the -1 suffix variants if mid-scale power-on reset behavior is required instead of zero-scale.

Part Context

This part belongs to the LTC2609/LTC2619/LTC2629 family of quad DACs. They share identical pinouts and form factors, differing primarily in resolution (16, 14, and 12 bits respectively). This allows designers to scale performance without changing the PCB layout or footprint across different product iterations within the same series.

Replacement Considerations

LTC2609CGN#TRPBF (16-bit version), LTC2629CGN#TRPBF (12-bit version). These parts are pin-compatible and interchangeable in terms of physical footprint and basic functionality, though resolution and linearity specs differ.