MGA-412P8-TR2G Equivalent & Substitute Parts

Part Overview

The MGA-412P8-TR2G is an RF amplifier IC manufactured by Broadcom Limited, designed for 802.15/Bluetooth, ISM 802.11b/g/WiFi, and Wireless LAN applications operating across the 1.7GHz to 3GHz frequency band. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain compatibility with the specified frequency range, gain characteristics, and supply voltage parameters while accommodating modern packaging and availability constraints.

Substiute Parts

MGA-412P8-TR2G

Broadcom LimitedIn Stock: 773MGA-412P8-TR2G Datasheet

Current PartRFQ

ADL5523ACPZ-R7

Analog Devices Inc.In Stock: 3192ADL5523ACPZ-R7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MGA-412P8-TR2G is determined by the following critical parameters:

Frequency Coverage: The substitute must operate within or encompass the 1.7GHz to 3GHz band. The ADL5523ACPZ-R7 provides extended frequency coverage from 400MHz to 4GHz, fully encompassing the required range.

Gain and P1dB Specifications: The substitute must deliver comparable output power and gain characteristics. The MGA-412P8-TR2G specifies 23dB to 25.5dB gain and 24dBm to 25.3dBm P1dB. The ADL5523ACPZ-R7 provides 21.5dB gain and 21dBm P1dB, representing acceptable performance trade-offs for general-purpose RF amplification in the target frequency band.

Supply Voltage Compatibility: The MGA-412P8-TR2G operates at 3.3V. The ADL5523ACPZ-R7 accepts 3V to 5V supply voltage, providing direct compatibility at 3.3V operation.

Package and Mounting: Both components utilize surface-mount 8-pin DFN/LFCSP packages with exposed pads, ensuring PCB layout compatibility.

Product Status and Availability: The MGA-412P8-TR2G is obsolete. The ADL5523ACPZ-R7 maintains active product status with confirmed inventory availability.

Parameter Comparison

Engineering Selection Recommendations

The ADL5523ACPZ-R7 is the designated manufacturer-recommended substitute for the MGA-412P8-TR2G. Selection of this alternative is justified on the following engineering grounds:

Obsolescence Management: The MGA-412P8-TR2G is classified as obsolete, making the ADL5523ACPZ-R7 the appropriate active-status replacement for ongoing production and new designs.

Regulatory Compliance: The ADL5523ACPZ-R7 maintains ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements. Both components carry REACH unaffected designation.

Frequency and Performance Alignment: The ADL5523ACPZ-R7 operates across 400MHz to 4GHz, providing full coverage of the 1.7GHz to 3GHz requirement. Gain and P1dB specifications remain within acceptable operational margins for RF amplification in 802.11 and Bluetooth applications.

Supply Voltage Compatibility: Direct operation at 3.3V is supported within the ADL5523ACPZ-R7 supply range, eliminating the need for voltage regulation modifications.

Packaging Considerations: Both components employ surface-mount 8-pin DFN/LFCSP packages. The ADL5523ACPZ-R7 uses a 3x3mm footprint compared to the 2x2mm MGA-412P8-TR2G package, requiring PCB layout adjustment but maintaining standard surface-mount assembly compatibility.

Frequently Asked Questions (FAQ)

Q: Can the ADL5523ACPZ-R7 directly replace the MGA-412P8-TR2G without circuit modifications?

A: The ADL5523ACPZ-R7 provides functional RF amplification across the required frequency band with compatible supply voltage operation at 3.3V. PCB layout modifications are necessary due to the larger 3x3mm package footprint. Pin configuration and functional pinout must be verified against device datasheets to ensure signal routing compatibility.

Q: What is the impact of the 3dBm lower P1dB specification on system performance?

A: The ADL5523ACPZ-R7 delivers 21dBm P1dB compared to the MGA-412P8-TR2G specification of 24dBm to 25.3dBm. This 3dBm reduction represents a measurable decrease in output power capability. System-level impact depends on application requirements; designs with output power margin can accommodate this specification without performance degradation.

Q: Why is the ADL5523ACPZ-R7 package larger than the original component?

A: The ADL5523ACPZ-R7 employs a 3x3mm 8-LFCSP-VD package compared to the 2x2mm 8-LPCC package of the MGA-412P8-TR2G. Larger package dimensions reflect modern manufacturing standards and thermal management requirements for active-status components. PCB layout redesign is required to accommodate the increased footprint.

Q: Is the higher moisture sensitivity level (MSL 3 vs. MSL 1) a concern?

A: The ADL5523ACPZ-R7 carries MSL 3 rating (168-hour moisture absorption limit) compared to the MGA-412P8-TR2G MSL 1 (unlimited). MSL 3 components require controlled storage and handling procedures, including desiccant packaging and bake-out procedures prior to reflow soldering. Standard manufacturing practices for active components accommodate MSL 3 requirements.

Q: What supply current increase should be anticipated?

A: The ADL5523ACPZ-R7 draws 60mA compared to the MGA-412P8-TR2G specification of 40mA to 55mA. The 5mA to 20mA increase represents a measurable power consumption change. Power supply design must accommodate this higher current draw to maintain voltage regulation and thermal performance.

Q: Are there frequency-dependent performance differences between the two components?

A: The MGA-412P8-TR2G is characterized at 2.452GHz (Bluetooth/WiFi band center). The ADL5523ACPZ-R7 is characterized at 900MHz. Both components operate across the 1.7GHz to 3GHz band, but gain and P1dB specifications may vary across the frequency range. Application-specific frequency performance must be verified against individual device datasheets.