ADA-4643-TR2G Equivalent & Substitute Parts

Part Overview

The ADA-4643-TR2G is an RF amplifier IC designed for ISM, PCS, WLL, and 802.16/WiMax applications across the 0Hz to 2.5GHz frequency range. Manufactured by Broadcom Limited in SOT-343 surface mount packaging, this component operates at supply voltages between 3.2V and 3.9V with a 1dB compression point of 14.7dBm and gain specifications of 15.5dB to 18.5dB.

The ADA-4643-TR2G is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for systems utilizing this RF amplifier architecture.

Substiute Parts

ADA-4643-TR2G

Broadcom LimitedIn Stock: 697ADA-4643-TR2G Datasheet

Current PartRFQ

BGA614H6327XTSA1

Infineon TechnologiesIn Stock: 3333BGA614H6327XTSA1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ADA-4643-TR2G is determined by the following critical parameters:

• Package Compatibility: Both the main part and substitute must use SC-82A / SOT-343 surface mount packaging to ensure PCB layout and assembly process compatibility.
• Frequency Coverage: The substitute frequency range must encompass or substantially overlap the 0Hz to 2.5GHz operating band.
• Electrical Performance: Gain, P1dB, and noise figure specifications must be within acceptable operational ranges for the target application.
• Supply Voltage: Operating voltage requirements must be compatible with existing power distribution architecture.
• RF Application Type: The substitute must support equivalent RF standards and frequency bands (ISM, PCS, WLL, 802.16/WiMax, or related cellular/wireless protocols).
• Mounting and Handling: Surface mount technology and moisture sensitivity classification must align with manufacturing and storage requirements.

Parameter Comparison

Engineering Selection Recommendations

The BGA614H6327XTSA1 (Infineon Technologies) is identified as an equivalent substitute for the obsolete ADA-4643-TR2G based on the following factors:

• Package Equivalence: Both components utilize SC-82A / SOT-343 surface mount packaging, ensuring direct PCB footprint compatibility and assembly process alignment.
• Frequency Overlap: The BGA614H6327XTSA1 operates across 0Hz to 2.4GHz, providing coverage for the primary operating bands of the ADA-4643-TR2G within the 0Hz to 2.5GHz range.
• Active Product Status: The BGA614H6327XTSA1 is classified as active, ensuring ongoing availability, supply chain support, and manufacturer technical documentation.
• Regulatory Compliance: Both components share identical REACH status (REACH Unaffected), ECCN classification (EAR99), and HTSUS codes (8542.33.0001), maintaining regulatory alignment.
• Moisture Sensitivity: Both components are classified as MSL 1 (Unlimited), indicating equivalent handling and storage requirements.
• Performance Characteristics: The BGA614H6327XTSA1 demonstrates superior noise figure (2.1dB versus 4dB) and higher gain (19dB versus 15.5dB ~ 18.5dB), while the P1dB specification (12dBm versus 14.7dBm) is lower. These performance differences must be evaluated within the context of specific application requirements.

Frequently Asked Questions (FAQ)

Q: Why is the ADA-4643-TR2G being replaced? A: The ADA-4643-TR2G is classified as obsolete. The BGA614H6327XTSA1 is an active product with equivalent packaging and overlapping frequency coverage, ensuring continued component availability and manufacturer support.

Q: Are the packages physically identical? A: Yes. Both the ADA-4643-TR2G and BGA614H6327XTSA1 use SC-82A / SOT-343 surface mount packaging, enabling direct PCB footprint compatibility without layout modifications.

Q: What are the key performance differences? A: The BGA614H6327XTSA1 offers lower noise figure (2.1dB versus 4dB) and higher gain (19dB versus 15.5dB ~ 18.5dB). However, the P1dB specification is lower (12dBm versus 14.7dBm). Application-specific requirements determine whether these differences are acceptable.

Q: Do the frequency ranges match? A: The BGA614H6327XTSA1 operates across 0Hz to 2.4GHz, which covers the primary operating bands of the ADA-4643-TR2G (0Hz to 2.5GHz). The 100MHz difference at the upper frequency limit must be evaluated for specific application requirements.

Q: Are there supply voltage compatibility concerns? A: The ADA-4643-TR2G specifies 3.2V to 3.9V supply voltage. The BGA614H6327XTSA1 does not provide explicit supply voltage specifications in the available data. Detailed datasheet review is required to confirm voltage compatibility.

Q: What RF applications does the BGA614H6327XTSA1 support? A: The BGA614H6327XTSA1 is specified for CDMA, GSM, and PCS applications. The original ADA-4643-TR2G supports ISM, PCS, WLL, and 802.16/WiMax. Application overlap exists in PCS, but differences in supported standards must be evaluated.

Q: Are moisture sensitivity levels equivalent? A: Yes. Both components are classified as MSL 1 (Unlimited), indicating identical moisture sensitivity handling and storage requirements.

Q: What regulatory certifications apply? A: Both components are REACH Unaffected, classified under ECCN EAR99, and assigned HTSUS code 8542.33.0001, ensuring equivalent regulatory compliance status.