TC530COI

ADCs/DACs - Special Purpose Overview

The TC530COI is a serial analog data acquisition subsystem manufactured by Microchip Technology, housed in a 28-pin SOIC package. It integrates a dual-slope integrating A/D converter with up to 17-bit resolution and a four-channel differential input multiplexer. The device operates on a single 4.5V to 5.5V supply and includes an internal DC-DC converter generating a -5V output. Key electrical parameters include a maximum supply current of 3.0mA and a typical operating temperature range of 0°C to +70°C. Data transfer occurs via a 3-wire serial interface.

ADCs/DACs - Special Purpose Feature Summary

• Dual-slope integrating A/D converter with programmable resolution up to 17 bits
• Four-channel differential analog multiplexer for multi-point signal acquisition
• Integrated negative power supply generator providing -5V at 10mA
• 3-wire serial interface supporting clock frequencies up to 3 MHz

ADCs/DACs - Special Purpose Applications

• Precision analog signal processing
• High accuracy DC measurement systems
• Precision sensor interfaces requiring high resolution

ADCs/DACs - Special Purpose Procurement Notes

The TC530COI is classified as an obsolete device. Verification of availability requires checking distributor stock or secondary market sources, as original manufacturing supply has ceased. Designers should confirm the component status before initiating new procurement processes.

ADCs/DACs - Special Purpose Selection Notes

Select the TC530COI when a single-supply solution with integrated multiplexing and negative rail generation is required for high-resolution measurements. Ensure the application can accommodate the 28-SOIC package and that the serial interface timing aligns with the host processor capabilities. Consider the trade-off between conversion speed and resolution defined by the LOAD VALUE byte.

ADCs/DACs - Special Purpose Part Context

The TC530COI belongs to the TC530/TC534 family of precision data acquisition subsystems. While the TC534 lacks the multiplexer, the TC530 variant specifically adds the four-channel differential MUX. This model represents the industrial temperature grade (C) version within the SOIC package lineup.

ADCs/DACs - Special Purpose Replacement Considerations

As an obsolete component, direct replacements are not officially listed. System redesign may be necessary using modern high-resolution ADCs with external multiplexers and charge pumps, ensuring pin compatibility or board layout adjustments.