MAX133CMH+D

ADCs/DACs - Special Purpose Overview

The MAX133CMH+D is a specialized integrated circuit designed for 3¾ digit digital multimeter (DMM) applications. It integrates a delta-sigma analog-to-digital converter, a precision reference voltage source, and charge pump circuitry within a single package. The device operates on a single supply voltage ranging from 2.5V to 7V and supports an internal or external clock configuration. Manufactured by Analog Devices Inc./Maxim Integrated, this component utilizes a 44-lead MQFP package and is rated for commercial operating temperatures between 0°C and +70°C.

ADCs/DACs - Special Purpose Feature Summary

• Integrated 3¾ digit delta-sigma ADC with built-in reference and charge pump
• Operates on a single 2.5V to 7V power supply
• Supports both internal and external clock configurations
• Available in a 44-lead MQFP surface-mount package

ADCs/DACs - Special Purpose Applications

• Handheld digital multimeters
• Panel meter designs
• Industrial process control instrumentation

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and temperature range. Confirm RoHS compliance status based on the '+' designation in the part number. Ensure the procurement channel provides valid manufacturer traceability for this Analog Devices/Maxim Integrated component.

ADCs/DACs - Special Purpose Selection Notes

Select the MAX133CMH+D when designing a cost-effective 3¾ digit DMM requiring an integrated solution. Compare against the MAX134 variant if different pinout requirements are necessary. Verify that the 44-lead MQFP footprint matches the target PCB layout constraints.

ADCs/DACs - Special Purpose Part Context

This component belongs to the MAX133/MAX134 family of dedicated A/D converters specifically engineered for panel meters and handheld DMMs. It consolidates functions typically found in discrete designs, including the ADC, reference, and charge pump, into a compact form factor suitable for space-constrained measurement instruments.

ADCs/DACs - Special Purpose Replacement Considerations

The MAX134CMH+D serves as a functional alternative within the same series. Verify pin compatibility and application circuit differences before substituting.