MAX1348BETX+

ADCs/DACs - Special Purpose Overview

The MAX1348BETX+ is a specialized data acquisition system integrating an 8-channel 12-bit Analog-to-Digital Converter (ADC) and four 12-bit Digital-to-Analog Converters (DAC). It features a built-in FIFO, temperature sensor, and GPIO ports. The ADC supports sampling rates up to 225 kSps with ±0.5 LSB INL/DNL accuracy. The DACs stabilize within 2 µs. Powered by a single 5V supply (4.75V–5.25V), it communicates via a 25MHz SPI-compatible serial interface. Housed in a 36-pin TQFN package, it operates from -40°C to +85°C.

ADCs/DACs - Special Purpose Feature Summary

• Integrated 8-channel SAR ADC with 225 kSps throughput and 12-bit resolution
• Four 12-bit DACs with 2µs settling time and low glitch energy (4nV•s)
• Built-in 4.096V internal reference and on-chip temperature sensor
• SPI/QSPI/MICROWIRE compatible serial interface with FIFO buffer

ADCs/DACs - Special Purpose Applications

• Closed-loop control for optical components and base stations
• System monitoring and control applications
• Data acquisition systems requiring simultaneous analog input and output

ADCs/DACs - Special Purpose Part Context

The MAX1348BETX+ belongs to the MAX1340/MAX1342/MAX1346/MAX1348 family of mixed-signal ICs. While variants differ in channel counts (e.g., MAX1340 offers 8 ADC channels, MAX1346 offers 4), the MAX1348 specifically provides the 8-channel ADC configuration paired with four DACs. It shares the same 36-pin TQFN-EP package and electrical characteristics as its siblings within this series.

ADCs/DACs - Special Purpose Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should verify pinout compatibility and functional equivalence with other members of the MAX134x family, such as the MAX1340BETX+, before substitution.