MAX1243BCSA

Analog To Digital Converters (ADC) Overview

The MAX1243BCSA+ is a low-power, 10-bit successive-approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated. It operates on a single +2.7V to +5.25V supply and features a 73ksps maximum sampling rate with a 7.5µs conversion time. The device utilizes an internal track/hold circuit and requires an external reference voltage at the REF pin. It communicates via a high-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE protocols. The component is housed in an 8-pin SO package and supports an operating temperature range of 0°C to +70°C.

Analog To Digital Converters (ADC) Feature Summary

• Requires external reference voltage input for analog-to-digital conversion
• Features a 3-wire serial interface compatible with standard microcontroller ports
• Includes an internal track/hold circuit for signal acquisition
• Supports shutdown mode to minimize power consumption

Analog To Digital Converters (ADC) Applications

• Portable data logging systems
• Process control monitoring
• Temperature measurement circuits
• Isolated data acquisition applications

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'C' indicates the commercial temperature range (0°C to +70°C). Confirm the 'S' denotes the SO-8 package type. Ensure the '+' suffix confirms lead-free/RoHS compliance status as per manufacturer specifications. Cross-reference the part number against current distributor catalogs to confirm active availability and correct ordering codes.

Analog To Digital Converters (ADC) Selection Notes

Select this model when an external reference voltage is preferred over an internal one. Choose this variant for designs requiring the commercial temperature range rather than the extended range. Consider the 8-pin SO package constraints for board space. Verify that the application can accommodate the requirement for an external reference source connected to the REF pin.

Analog To Digital Converters (ADC) Part Context

This component belongs to the MAX1242/MAX1243 family of low-power serial ADCs. The MAX1243 variant specifically distinguishes itself from the MAX1242 by lacking an internal voltage reference, necessitating an external source. Both share identical architecture, speed, and interface characteristics within the same package lineup.

Analog To Digital Converters (ADC) Replacement Considerations

The MAX1242BCSA+ serves as a direct pin-compatible alternative if an internal 2.5V reference is acceptable instead of an external one. Other family members like the MAX1243ACSA+ offer tighter integral nonlinearity specifications but may differ in accuracy grades.