MAX547ACMH+ Equivalent & Substitute Parts

Part Overview

The MAX547ACMH+ is a 13-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring precision voltage output conversion. This surface-mount component operates with external voltage references and delivers buffered analog outputs across eight independent channels. The part is currently in active production status with full RoHS3 compliance and REACH unaffected designation, making it suitable for modern industrial and commercial applications.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the same parameter set, allowing for component interchangeability in circuit designs without functional degradation.

Key Parameters

Parameter	Specification
Number of Bits	13
Number of D/A Converters	8
Settling Time	5µs (Typ)
Output Type	Voltage - Buffered
Data Interface	Parallel
Reference Type	External
Voltage - Supply, Analog	±5V
INL/DNL (LSB)	±0.5, ±1 (Max)
Architecture	R-2R
Operating Temperature	0°C ~ 70°C
Package / Case	44-QFP
Supplier Device Package	44-MQFP (10x10)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the MAX547ACMH+ is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters define the substitution criteria:

Resolution and Channel Count: 13-bit resolution with 8 independent D/A converters
Output Characteristics: Buffered voltage output with external reference configuration
Timing Performance: 5µs typical settling time
Accuracy Specifications: INL/DNL of ±0.5 and ±1 LSB maximum
Power Supply Requirements: ±5V analog supply voltage
Physical Form Factor: 44-MQFP (10x10) surface-mount package
Environmental Compliance: ROHS3 compliant, REACH unaffected status
Operating Range: 0°C to 70°C temperature specification

All identified substitute parts maintain identical specifications across these parameters, ensuring direct functional and mechanical compatibility within the same circuit design.

Parameter Comparison

Parameter	MAX547ACMH+	MAX547ACMH+D	MAX547BCMH+
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Number of Bits	13	13	13
Number of D/A Converters	8	8	8
Settling Time	5µs (Typ)	5µs (Typ)	5µs (Typ)
Output Type	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered
Data Interface	Parallel	Parallel	Parallel
Reference Type	External	External	External
Voltage - Supply, Analog	±5V	±5V	±5V
INL/DNL (LSB)	±0.5, ±1 (Max)	±0.5, ±1 (Max)	±0.5, ±1 (Max)
Architecture	R-2R	R-2R	R-2R
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C
Package / Case	44-QFP	44-QFP	44-QFP
Supplier Device Package	44-MQFP (10x10)	44-MQFP (10x10)	44-MQFP (10x10)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Inventory Status	1795 Pcs New Original In Stock	951 Pcs New Original In Stock	1674 Pcs New Original In Stock

Engineering Selection Recommendations

All three parts—MAX547ACMH+, MAX547ACMH+D, and MAX547BCMH+—are functionally equivalent and maintain identical electrical and mechanical specifications. Selection between these parts should be based on the following factors:

Product Status and Compliance: All parts carry active production status with full ROHS3 compliance and REACH unaffected designation, confirming suitability for current regulatory requirements.

Availability: Component selection may be influenced by inventory levels. The MAX547ACMH+ maintains the highest stock position at 1795 units, followed by MAX547BCMH+ at 1674 units, and MAX547ACMH+D at 951 units.

Packaging Designation: The suffix designation (standard, +D variant, or B-grade) reflects manufacturing or grading differences that do not affect the specified electrical performance parameters within the 0°C to 70°C operating range.

Frequently Asked Questions (FAQ)

Q: Can MAX547ACMH+D be used as a direct replacement for MAX547ACMH+ in existing designs?

A: Yes. Both parts maintain identical electrical specifications, including 13-bit resolution, 8-channel configuration, 5µs settling time, ±0.5/±1 LSB accuracy, and ±5V supply requirements. The 44-MQFP (10x10) package footprint is identical, enabling direct PCB compatibility without design modification.

Q: What is the functional difference between MAX547ACMH+ and MAX547BCMH+?

A: No functional difference exists between these parts within the specified 0°C to 70°C operating temperature range. Both deliver identical DAC performance, output characteristics, and compliance certifications. The designation difference reflects manufacturing grade classification that does not impact electrical performance within the stated operating parameters.

Q: Are all three parts suitable for applications requiring ROHS3 compliance?

A: Yes. MAX547ACMH+, MAX547ACMH+D, and MAX547BCMH+ all carry ROHS3 compliant certification and REACH unaffected status, confirming compliance with current environmental and hazardous substance regulations.

Q: What is the significance of the +D suffix in MAX547ACMH+D?

A: The +D designation indicates a specific packaging or device variant within the MAX547 product family. All electrical and mechanical parameters remain equivalent to the standard MAX547ACMH+, maintaining full interchangeability for circuit applications.

Q: Can these parts be used interchangeably in high-precision measurement applications?

A: Yes. All three parts maintain identical INL/DNL specifications of ±0.5 and ±1 LSB maximum, ensuring equivalent accuracy performance in precision data acquisition circuits. The R-2R architecture and external reference configuration provide consistent linearity across all variants.

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