X9241AMVZ Digital Potentiometer Equivalent & Substitute Parts

Part Overview

The X9241AMVZ is a 4-circuit digital potentiometer manufactured by Renesas Electronics Corporation, featuring selectable I2C interface addressing and non-volatile memory. This component integrates four independent potentiometer circuits with 64 taps each, offering resistance values of 2kΩ, 10kΩ, 10kΩ, and 50kΩ. The device operates at 5V supply voltage and is housed in a 20-TSSOP surface mount package. With an active product status and ROHS3 compliance, the X9241AMVZ remains in current production. Substitute parts are identified for applications requiring alternative supply voltage ranges, extended temperature operating windows, or different product lifecycle stages.

Substiute Parts

X9241AMVZ

Renesas Electronics CorporationIn Stock: 860X9241AMVZ Datasheet

Current PartRFQ

CAT5241YI-10-T2

onsemiIn Stock: 3022CAT5241YI-10-T2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the X9241AMVZ is determined by the following critical parameters:

Mandatory Compatibility Parameters:

• Number of Circuits: 4
• Number of Taps: 64
• Package / Case: 20-TSSOP
• Mounting Type: Surface Mount
• Memory Type: Non-Volatile
• Interface: I2C

Flexible Parameters (Allow Substitution):

• Voltage - Supply: The X9241AMVZ operates at 5V; substitutes may operate within broader ranges (2.5V ~ 6V) provided the application supply voltage falls within both specifications
• Resistance Values: Substitutes may offer different individual resistance values provided the circuit count and tap resolution remain constant
• Operating Temperature: Extended temperature ranges are acceptable for applications operating within the original device's temperature window
• Product Status: Active or Obsolete status does not prevent substitution if electrical and mechanical parameters align

The CAT5241YI-10-T2 qualifies as a substitute based on matching circuit count, tap resolution, package type, and interface protocol, despite differences in individual resistance values and supply voltage specification.

Parameter Comparison

Engineering Selection Recommendations

X9241AMVZ Selection Criteria:

• Primary choice for new designs requiring active product status and continuous manufacturer support
• Suitable for applications operating within 0°C to 70°C temperature range
• Requires 5V supply voltage
• Recommended when all four resistance values (2kΩ, 10kΩ, 10kΩ, 50kΩ) are required in a single package

CAT5241YI-10-T2 Selection Criteria:

• Acceptable for applications where extended temperature operation (-40°C to 85°C) is required and the application supply voltage operates within 2.5V to 6V
• Suitable for designs where a single 10kΩ resistance value across all four circuits meets functional requirements
• Product status is Obsolete; verify long-term availability before design commitment
• Superior moisture handling characteristics (MSL 1 vs. MSL 3) for high-humidity storage environments
• Compatible with existing PCB layouts and I2C firmware implementations designed for the X9241AMVZ

Both parts maintain ROHS3 compliance and identical package footprints, enabling direct PCB substitution when electrical parameters align with application requirements.

Frequently Asked Questions (FAQ)

Q: Can the CAT5241YI-10-T2 directly replace the X9241AMVZ on an existing PCB?

A: Yes, both devices use identical 20-TSSOP packages with matching pinouts and I2C interface protocols. PCB layout compatibility is confirmed. However, verify that your application can operate with the CAT5241YI-10-T2's single 10kΩ resistance value across all circuits, as the X9241AMVZ provides mixed resistance values (2kΩ, 10kΩ, 10kΩ, 50kΩ).

Q: What is the key difference in supply voltage between these parts?

A: The X9241AMVZ operates at a fixed 5V supply. The CAT5241YI-10-T2 accepts a broader range of 2.5V to 6V. If your application uses 5V, both parts are compatible. If your application uses 3.3V or lower, only the CAT5241YI-10-T2 is suitable.

Q: Why is the CAT5241YI-10-T2 listed as Obsolete?

A: Obsolete status indicates the manufacturer has discontinued active production. Existing inventory may remain available through authorized distributors, but long-term availability is not guaranteed. For new designs, the X9241AMVZ is the recommended choice.

Q: Are the I2C interface protocols identical between these parts?

A: Both devices implement I2C interface with non-volatile memory and 64-tap resolution across 4 circuits. Firmware compatibility is maintained, provided the application does not depend on the specific resistance values unique to the X9241AMVZ.

Q: What does MSL 3 versus MSL 1 mean for component handling?

A: MSL (Moisture Sensitivity Level) indicates moisture absorption limits during storage. MSL 3 (X9241AMVZ) allows 168 hours of exposure before baking is required. MSL 1 (CAT5241YI-10-T2) has unlimited shelf life without moisture concerns. For standard manufacturing environments, both are acceptable.

Q: Can I use the CAT5241YI-10-T2 if my circuit requires the 2kΩ and 50kΩ resistance values?

A: No. The CAT5241YI-10-T2 provides only 10kΩ resistance across all four circuits. If your design requires the specific mixed resistance values of the X9241AMVZ, substitution is not possible without circuit redesign.