MAX1220BETX

ADCs/DACs - Special Purpose Overview

The MAX1220BETX is a specialized 12-bit, multichannel analog-to-digital converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated. It features an internal FIFO buffer and utilizes a Successive Approximation Register (SAR) architecture. The device operates on a single 5V supply, with voltage limits ranging from 4.75V to 5.25V. It supports up to eight input channels and provides a sampling rate of 225 kS/s. Key electrical specifications include a reference voltage of 4.096V, integral nonlinearity (INL) of +/- 4 LSB, and a maximum power dissipation of 2.1W. Communication is handled via a serial SPI interface.

ADCs/DACs - Special Purpose Feature Summary

• Integrated FIFO buffer for efficient data handling
• 8-channel multiplexed input capability
• SPI-compatible serial interface
• Internal 4.096V reference voltage

ADCs/DACs - Special Purpose Applications

• Data acquisition systems requiring multichannel input
• Industrial process control monitoring
• Medical instrumentation signal processing

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'ETX' against official Analog Devices documentation to confirm package type and temperature range. Confirm RoHS compliance status through the manufacturer's current datasheet, as legacy Maxim products may have varying environmental certifications. Check for obsolescence notices or lifecycle status updates directly from the supplier before procurement planning.

ADCs/DACs - Special Purpose Selection Notes

Select this component when a 12-bit resolution with moderate speed (225 kS/s) and multiple analog inputs are required in a compact form factor. Ensure the system design accommodates the 5V logic levels and the TQFN-EP-36 thermal requirements. Verify that the SPI interface timing aligns with the host microcontroller capabilities.

ADCs/DACs - Special Purpose Part Context

This part belongs to the MAX1220B series of high-speed, low-power ADCs. It is designed for applications needing simultaneous or sequential sampling of multiple signals without external buffering components. The inclusion of an on-chip FIFO distinguishes it from standard single-channel SAR ADCs in the same family.

ADCs/DACs - Special Purpose Replacement Considerations

Consult the Analog Devices product selection guide for direct pin-compatible or functionally equivalent successors within the MAX1220 or MAX1230 families. Verify that any substitute maintains the 12-bit resolution, FIFO functionality, and TQFN-36 package dimensions.