MAX501BCNG Equivalent & Substitute Parts

Part Overview

The MAX501BCNG is a 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring voltage output conversion. This component features a single DAC channel with external reference capability, R-2R architecture, and parallel data interface in a 24-DIP through-hole package.

The MAX501BCNG is classified as obsolete. Identifying equivalent and substitute parts is necessary to support legacy system maintenance, design updates, and procurement continuity where original inventory becomes unavailable.

Key Parameters

Parameter	Specification
Resolution	12 Bits
Number of D/A Converters	1
Output Type	Voltage - Buffered
Settling Time	5µs
Data Interface	Parallel
Reference Type	External
Differential Output	No
Architecture	R-2R
Analog Supply Voltage	±11.4V ~ 15.75V
Operating Temperature Range	0°C ~ 70°C
INL/DNL	±1 LSB (Max)
Package / Case	24-DIP (0.300", 7.62mm)
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitute parts for the MAX501BCNG are identified based on strict electrical and mechanical parameter matching:

Critical Parameters for Substitution:

Resolution: 12 bits
Number of D/A Converters: 1
Output Type: Voltage - Buffered
Settling Time: 5µs
Data Interface: Parallel
Reference Type: External
Architecture: R-2R
Analog Supply Voltage: ±11.4V ~ 15.75V
Operating Temperature Range: 0°C ~ 70°C
INL/DNL: ±1 LSB (Max)
Package / Case: 24-DIP (0.300", 7.62mm)
Mounting Type: Through Hole

Substitute Categories:

Direct Manufacturer Substitute: MAX501BCNG+ — Identical electrical specifications and package configuration. Differs only in product status (Active vs. Obsolete) and packaging format (Tube vs. unspecified).

Parametric Equivalent: MAX502BCNG+ — Maintains all critical electrical parameters and physical package specifications. Base product number differs (MAX502 vs. MAX501), indicating a related but distinct product line variant within the same manufacturer family.

Parameter Comparison

Parameter	MAX501BCNG (Main)	MAX501BCNG+ (Direct Substitute)	MAX502BCNG+ (Parametric Equivalent)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Resolution (Bits)	12	12	12
Number of D/A Converters	1	1	1
Settling Time	5µs	5µs	5µs
Output Type	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered
Differential Output	No	No	No
Data Interface	Parallel	Parallel	Parallel
Reference Type	External	External	External
Analog Supply Voltage	±11.4V ~ 15.75V	±11.4V ~ 15.75V	±11.4V ~ 15.75V
INL/DNL (LSB)	±1 (Max)	±1 (Max)	±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	24-DIP (0.300", 7.62mm)	24-DIP (0.300", 7.62mm)	24-DIP (0.300", 7.62mm)
Supplier Device Package	24-PDIP	24-PDIP	24-PDIP
Mounting Type	Through Hole	Through Hole	Through Hole
Product Status	Obsolete	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Format	Unspecified	Tube	Tube

Engineering Selection Recommendations

MAX501BCNG+ (Direct Manufacturer Substitute): This part is the primary substitute for the obsolete MAX501BCNG. It maintains identical electrical and mechanical specifications while offering Active product status and ROHS3 compliance. The packaging format (Tube) provides standard industrial handling and storage. Selection of MAX501BCNG+ is appropriate for direct replacement in existing designs without circuit modification.

MAX502BCNG+ (Parametric Equivalent): This part satisfies all critical electrical and mechanical parameters required for functional equivalence. The MAX502 base product number indicates a variant within the Maxim Integrated DAC family. Like MAX501BCNG+, it offers Active status and ROHS3 compliance. Selection of MAX502BCNG+ is appropriate where MAX501BCNG+ availability is constrained, provided design documentation confirms compatibility with the MAX502 variant.

Both substitute parts are manufactured by the same supplier (Analog Devices Inc./Maxim Integrated), carry REACH Unaffected and EAR99 ECCN classifications, and maintain the same moisture sensitivity level (MSL 1 - Unlimited).

Frequently Asked Questions (FAQ)

Q: Can MAX501BCNG+ be used as a direct replacement for MAX501BCNG? A: Yes. MAX501BCNG+ is electrically and mechanically identical to MAX501BCNG. The primary differences are product status (Active vs. Obsolete) and packaging format (Tube). No circuit modifications are required.

Q: What is the difference between MAX501BCNG+ and MAX502BCNG+? A: Both parts share identical electrical specifications and package configuration. The base product number differs (MAX501 vs. MAX502), indicating they are related variants within the Maxim Integrated DAC product family. Both are parametric equivalents suitable for the same application requirements.

Q: Are the substitute parts RoHS compliant? A: Yes. Both MAX501BCNG+ and MAX502BCNG+ are ROHS3 compliant. The original MAX501BCNG is RoHS non-compliant. This compliance improvement may be relevant for applications subject to RoHS regulations.

Q: Will the substitute parts work in the same PCB footprint? A: Yes. All three parts use the 24-DIP (0.300", 7.62mm) package with through-hole mounting. PCB footprints and board layouts designed for MAX501BCNG are compatible with MAX501BCNG+ and MAX502BCNG+.

Q: Are there any supply voltage or temperature range differences? A: No. All three parts operate with identical analog supply voltage (±11.4V ~ 15.75V) and temperature range (0°C ~ 70°C). Circuit power supply and thermal design requirements remain unchanged.

Q: What certifications apply to the substitute parts? A: Both MAX501BCNG+ and MAX502BCNG+ carry REACH Unaffected status and EAR99 ECCN classification, matching the original MAX501BCNG. Moisture sensitivity level is MSL 1 (Unlimited) for all three parts.

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