TLC7135CDWRG4

ADCs/DACs - Special Purpose Overview

The TLC7135CDWRG4 is a 4 1/2-digit analog-to-digital converter (ADC) manufactured by Texas Instruments. It features an internal precision reference and oscillator, requiring minimal external components for operation. The device provides BCD output codes suitable for direct driving of displays or microcontrollers. It operates within a supply voltage range of 4V to 6V and consumes approximately 1 mA of current. The component is housed in a 28-pin SOIC package with a wide operating temperature range from 0°C to 70°C.

ADCs/DACs - Special Purpose Feature Summary

• 4 1/2-digit resolution with high accuracy
• Internal precision reference and oscillator
• BCD output format for direct interfacing
• Low power consumption of 1 mA

ADCs/DACs - Special Purpose Applications

• High-precision digital voltmeters
• Industrial process control systems
• Weighing scales and load cell interfaces

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'G4' indicates lead-free packaging compliance when sourcing. Confirm the active lifecycle status through official Texas Instruments channels prior to procurement. Ensure the SOIC-28 package dimensions match the target PCB footprint requirements.

ADCs/DACs - Special Purpose Selection Notes

Select this component for applications requiring moderate resolution and low power consumption. Consider the BCD output interface compatibility with downstream logic circuits. Evaluate the need for internal references versus external precision sources based on system cost and performance constraints.

ADCs/DACs - Special Purpose Part Context

This part belongs to the TLC7135 family of dual-slope integrating ADCs. The CDWRG4 designation specifies the commercial temperature range, SOIC-28 surface-mount package, and RoHS-compliant green packaging. It serves as a cost-effective solution for general-purpose high-resolution DC measurements.