LTC1287CCN8

ADCs/DACs - Special Purpose Overview

The LTC1287CCN8 is a 3V single-chip 12-bit data acquisition system manufactured by Analog Devices Inc. It integrates a successive approximation A/D converter with a built-in sample-and-hold circuit on the positive input. The device operates on a single supply voltage ranging from 2.7V to 5.5V, with specifications guaranteed at 2.7V. It features a maximum throughput rate of 30kHz and consumes low supply current, making it suitable for battery-powered applications. The component utilizes an LTCMOS switched capacitor technology for unipolar A/D conversion.

ADCs/DACs - Special Purpose Feature Summary

• 12-bit resolution with a maximum conversion time of 24µs over temperature
• Built-in sample-and-hold function on the (+) input
• Direct 3-wire serial interface compatible with most MPU serial ports and all parallel I/O ports
• Single supply operation from 2.7V to 5.5V with low power consumption

ADCs/DACs - Special Purpose Applications

• Battery-powered instruments
• Data loggers
• Data acquisition modules

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix CCN8 corresponds to the 8-lead plastic DIP package and commercial temperature range (0°C to 70°C). Confirm RoHS compliance status through official manufacturer documentation or authorized distributors, as environmental declarations may vary by production batch.

ADCs/DACs - Special Purpose Selection Notes

Select the LTC1287CCN8 when a 12-bit resolution and 30kHz sampling rate are sufficient for the application. Ensure the analog source resistance is low enough to allow signal settling within the sample time, particularly at higher clock frequencies. Verify that the microprocessor interface supports the required synchronous half-duplex serial protocol or can emulate it via parallel GPIO.

ADCs/DACs - Special Purpose Part Context

The LTC1287CCN8 belongs to the LTC1287 family of 3V data acquisition components. The 'C' designation indicates the commercial temperature grade, while 'CN8' specifies the 8-lead plastic DIP package. This part is distinct from higher-speed or multi-channel variants in the broader Analog Devices portfolio.

ADCs/DACs - Special Purpose Replacement Considerations

Publicly confirmed direct substitute part numbers are not available in the provided documentation. Consider evaluating other 12-bit SAR ADCs from Analog Devices if pin compatibility and interface requirements match.