MAX506BCPP+ Equivalent & Substitute Parts

Part Overview

The MAX506BCPP+ is an 8-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring parallel interface operation with external voltage references. This component features four independent DAC channels with buffered voltage output, operating from ±5V analog and 5V digital supply rails. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating. Alternative equivalent parts may be required due to inventory constraints, application-specific performance requirements, or supply chain considerations.

Key Parameters

Parameter	Specification
Resolution	8 Bit
Number of D/A Converters	4
Output Type	Voltage - Buffered
Data Interface	Parallel
Reference Type	External
Settling Time	6µs (Typ)
Architecture	R-2R
Package / Case	20-DIP (0.300", 7.62mm)
Mounting Type	Through Hole
Operating Temperature	0°C ~ 70°C

Substitute Part Grouping Explanation

Substitution eligibility for the MAX506BCPP+ is determined by the following critical parameters: 8-bit resolution, four independent DAC channels, buffered voltage output configuration, parallel data interface, external reference requirement, R-2R architecture, and 20-DIP through-hole package format. Parts meeting these core specifications are classified as parametric equivalents. The MAX506ACPP+ maintains identical electrical and mechanical specifications, differing only in temperature grade classification and inventory availability. The AD7226KNZ represents a manufacturer-recommended alternative that preserves all functional parameters while introducing different supply voltage ranges and improved settling time performance, requiring evaluation of application-specific power supply compatibility.

Parameter Comparison

Parameter	MAX506BCPP+	MAX506ACPP+	AD7226KNZ
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Analog Devices Inc.
Number of Bits	8	8	8
Number of D/A Converters	4	4	4
Output Type	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered
Data Interface	Parallel	Parallel	Parallel
Reference Type	External	External	External
Settling Time	6µs (Typ)	6µs (Typ)	4µs
Architecture	R-2R	R-2R	R-2R
INL/DNL (LSB)	-, ±1 (Max)	-, ±1 (Max)	±0.5 (Max), ±1 (Max)
Voltage - Supply, Analog	±5V	±5V	11.4V ~ 16.5V, -5V
Voltage - Supply, Digital	5V	5V	14.25V ~ 15.75V
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C
Package / Case	20-DIP (0.300", 7.62mm)	20-DIP (0.300", 7.62mm)	20-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

The MAX506ACPP+ serves as a direct parametric equivalent to the MAX506BCPP+, maintaining identical electrical specifications and package configuration. Both parts carry active product status and ROHS3 compliance certification. Selection between these two variants depends on inventory availability and application temperature operating range requirements, as both support 0°C to 70°C operation.

The AD7226KNZ is classified as a manufacturer-recommended alternative and introduces significant differences in power supply requirements. This part operates from 11.4V to 16.5V analog supply with -5V bias and 14.25V to 15.75V digital supply, contrasting with the ±5V and 5V requirements of the MAX506 series. The AD7226KNZ provides improved settling time performance at 4µs and extended operating temperature range from -40°C to 85°C. Selection of the AD7226KNZ requires confirmation that the application power supply architecture can accommodate the specified voltage ranges and that the extended temperature capability aligns with system requirements.

All three parts maintain identical package format (20-DIP through-hole), R-2R architecture, parallel data interface, and external reference configuration, ensuring mechanical and functional compatibility within these specified parameters.

Frequently Asked Questions (FAQ)

Q: Can MAX506ACPP+ be used as a direct replacement for MAX506BCPP+?

A: Yes. Both parts share identical electrical specifications including 8-bit resolution, four DAC channels, ±5V analog and 5V digital supply requirements, 6µs settling time, and 20-DIP package format. The parts differ only in inventory availability and are both rated for 0°C to 70°C operation.

Q: What are the key differences between MAX506BCPP+ and AD7226KNZ?

A: The primary differences are supply voltage requirements and settling time. The MAX506BCPP+ operates from ±5V analog and 5V digital supplies with 6µs settling time. The AD7226KNZ requires 11.4V to 16.5V analog supply with -5V bias and 14.25V to 15.75V digital supply, with improved 4µs settling time. Both maintain 8-bit resolution, four channels, and 20-DIP package format.

Q: Is the AD7226KNZ suitable for applications designed for MAX506BCPP+?

A: Substitution requires verification that the application power supply can provide the AD7226KNZ voltage specifications (11.4V ~ 16.5V analog, -5V bias, 14.25V ~ 15.75V digital). If the system is designed for ±5V and 5V supplies, the AD7226KNZ cannot be used without power supply redesign.

Q: Do all three parts use the same package footprint?

A: Yes. All three parts use 20-DIP (0.300", 7.62mm) through-hole package format, enabling direct PCB footprint compatibility.

Q: Are all three parts RoHS compliant?

A: Yes. MAX506BCPP+, MAX506ACPP+, and AD7226KNZ all carry ROHS3 compliance certification with MSL rating of 1 (Unlimited).

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