MAX2624EUA-T Equivalent & Substitute Parts

Part Overview

The MAX2624EUA-T is a voltage controlled oscillator (VCO) IC manufactured by Analog Devices Inc./Maxim Integrated, designed for applications requiring a self-contained oscillation source in the 947–998 MHz frequency range with a 972.5 MHz center frequency. The device operates from a 2.7V to 5.5V supply and provides tuning control via a 0.4V to 2.4V control voltage input.

The MAX2624EUA-T carries an Obsolete product status. Locating equivalent or substitute components is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for systems utilizing this oscillator architecture.

Key Parameters

Parameter	Value
Frequency Range	947–998 MHz
Center Frequency	972.5 MHz
Tuning Voltage Range	0.4V–2.4V
Supply Voltage	2.7V–5.5V
Output Power	−3 ±3 dBm
2nd Harmonic Suppression	−27 dBc (Typ)
Maximum Supply Current	11.5 mA
Pushing Factor	0.28 MHz/V (Typ)
Operating Temperature Range	−40°C to +85°C
Package Type	8-TSSOP, 8-MSOP (3.00 mm width)
Package Dimensions	3.00 mm × 3.00 mm × 1.10 mm (H)

Substitute Part Grouping Explanation

Substitution of the MAX2624EUA-T is determined by strict equivalence across the following critical parameters:

Frequency specification: Center frequency of 972.5 MHz with operating range of 947–998 MHz
Tuning voltage range: 0.4V to 2.4V control input
Supply voltage compatibility: 2.7V to 5.5V operation
Output characteristics: −3 ±3 dBm power level and −27 dBc 2nd harmonic suppression
Electrical performance: 11.5 mA maximum supply current, 0.28 MHz/V pushing factor
Package form factor: 8-TSSOP/8-MSOP with 3.00 mm width and identical pinout
Temperature rating: −40°C to +85°C operating range
Regulatory compliance: RoHS3 compliance, REACH unaffected status

The MAX2624EUA+T qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility across all defined parameters.

Parameter Comparison

Parameter	MAX2624EUA-T (Main)	MAX2624EUA+T (Substitute)	Match
Frequency Range	947–998 MHz	947–998 MHz	Identical
Center Frequency	972.5 MHz	972.5 MHz	Identical
Tuning Voltage (VDC)	0.4V–2.4V	0.4V–2.4V	Identical
Supply Voltage	2.7V–5.5V	2.7V–5.5V	Identical
Output Power (dBm)	−3 ±3	−3 ±3	Identical
2nd Harmonic (dBc)	−27 (Typ)	−27 (Typ)	Identical
Icc Max (mA)	11.5	11.5	Identical
Pushing Factor (MHz/V)	0.28 (Typ)	0.28 (Typ)	Identical
Operating Temperature	−40°C to +85°C	−40°C to +85°C	Identical
Package / Case	8-TSSOP, 8-MSOP (3.00 mm)	8-TSSOP, 8-MSOP (3.00 mm)	Identical
Dimensions	3.00 mm × 3.00 mm × 1.10 mm (H)	3.00 mm × 3.00 mm × 1.10 mm (H)	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical
Product Status	Obsolete	Active	Substitute is Active
Packaging Format	Tube	Tape & Reel (TR)	Different packaging

Engineering Selection Recommendations

The MAX2624EUA+T is a direct electrical and mechanical equivalent to the MAX2624EUA-T. Both devices share identical electrical specifications, frequency performance, supply requirements, and package form factor. The primary distinction is product lifecycle status: the MAX2624EUA-T is classified as Obsolete, while the MAX2624EUA+T maintains Active status from the manufacturer.

For new designs or production continuity, the MAX2624EUA+T is the appropriate selection. Both parts maintain RoHS3 compliance and REACH unaffected status, satisfying regulatory requirements for industrial and commercial applications.

The packaging difference—Tube for the main part versus Tape & Reel for the substitute—reflects standard distribution formats and does not affect electrical performance or PCB integration. Component selection should be based on procurement requirements and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can the MAX2624EUA+T be used as a direct replacement for the MAX2624EUA-T in existing designs?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including frequency range, tuning voltage, supply voltage, output power, harmonic suppression, current consumption, and package dimensions. No circuit modifications are required.

Q: What is the difference between the MAX2624EUA-T and MAX2624EUA+T?

A: The electrical and mechanical specifications are identical. The differences are: (1) Product Status—MAX2624EUA-T is Obsolete; MAX2624EUA+T is Active; (2) Packaging Format—MAX2624EUA-T is supplied in Tube; MAX2624EUA+T is supplied in Tape & Reel (TR).

Q: Why is the MAX2624EUA-T marked as Obsolete?

A: Obsolete status indicates the manufacturer has discontinued active production and support for this specific part number variant. The MAX2624EUA+T remains in active production and is the recommended source for ongoing supply.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts maintain identical RoHS3 compliance, REACH unaffected status, Moisture Sensitivity Level 1, and regulatory classifications (ECCN: EAR99, HTSUS: 8542.39.0001).

Q: Does the Tape & Reel packaging of the MAX2624EUA+T affect performance or reliability?

A: No. Tape & Reel is a standard distribution format for high-volume production. It does not affect component performance, reliability, or electrical characteristics. The device itself is identical regardless of packaging format.

Q: What is the frequency tuning range and control method?

A: The MAX2624 series operates at a 972.5 MHz center frequency within a 947–998 MHz range. Frequency tuning is controlled via a 0.4V to 2.4V DC control voltage input, with a pushing factor of 0.28 MHz/V (typical).

Q: What supply voltage is required?

A: Both parts operate from a 2.7V to 5.5V supply voltage with a maximum supply current of 11.5 mA at nominal operating conditions.

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