AD7225KPZ Equivalent & Substitute Parts

Part Overview

The AD7225KPZ is an 8-bit Digital to Analog Converter (DAC) with 4 independent converter channels, manufactured by Analog Devices Inc. This component features voltage-buffered output, parallel data interface, and external reference capability. The device is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and component procurement.

Substiute Parts

AD7225KPZ

Analog Devices Inc.In Stock: 875AD7225KPZ Datasheet

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AD7225LPZ

Analog Devices Inc.In Stock: 1853AD7225LPZ Datasheet

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Key Parameters

Substitute Part Grouping Explanation

The AD7225LPZ qualifies as a direct substitute for the AD7225KPZ based on the following critical parameters:

• Identical resolution: 8-bit architecture
• Identical channel count: 4 independent D/A converters
• Identical settling time: 4µs
• Identical output configuration: Voltage-buffered
• Identical data interface: Parallel
• Identical reference type: External
• Identical supply voltage ranges: Analog (11.4V ~ 16.5V, -5V) and Digital (14.25V ~ 15.75V)
• Identical R-2R architecture
• Identical operating temperature range: -40°C ~ 85°C
• Identical package: 28-LCC (J-Lead) with 28-PLCC (11.51x11.51) footprint
• Identical mounting type: Surface Mount
• Identical MSL rating: 3 (168 Hours)

Parameter Comparison

Engineering Selection Recommendations

The AD7225LPZ is the appropriate substitute for the AD7225KPZ. The substitute part maintains full functional and electrical equivalence across all critical parameters. The AD7225LPZ offers the additional advantage of active product status, ensuring continued availability and manufacturing support. The AD7225LPZ also demonstrates improved INL specification (±0.5 LSB maximum versus ±1 LSB maximum), providing enhanced linearity performance. The substitute part carries ROHS3 compliance and REACH unaffected status, meeting modern regulatory requirements. Both parts share identical packaging, pinout, and mounting characteristics, enabling direct board-level replacement without design modification.

Frequently Asked Questions (FAQ)

Q: Can the AD7225LPZ directly replace the AD7225KPZ in existing designs?

A: Yes. The AD7225LPZ is a direct functional and electrical equivalent. Both parts share identical pin configurations, package dimensions (28-PLCC 11.51x11.51), and all critical electrical parameters including resolution, channel count, settling time, supply voltage ranges, and operating temperature range.

Q: What is the primary difference between these two parts?

A: The AD7225KPZ is classified as obsolete, while the AD7225LPZ maintains active product status. The AD7225LPZ also provides improved INL specification (±0.5 LSB versus ±1 LSB) and includes ROHS3 compliance certification.

Q: Are there any packaging differences between AD7225KPZ and AD7225LPZ?

A: No. Both parts use identical 28-LCC (J-Lead) packaging with 28-PLCC (11.51x11.51) footprint specifications. Both are surface mount devices with identical MSL rating of 3 (168 Hours).

Q: What supply voltages are required for the AD7225LPZ?

A: The AD7225LPZ requires analog supply voltage of 11.4V to 16.5V and -5V, with digital supply voltage of 14.25V to 15.75V. These specifications are identical to the AD7225KPZ.

Q: Is the AD7225LPZ suitable for industrial temperature applications?

A: Yes. The AD7225LPZ operates across the temperature range of -40°C to 85°C, matching the AD7225KPZ specification and supporting industrial applications.