TRF3750IPW Equivalent & Substitute Parts

Part Overview

The TRF3750IPW is a PLL Frequency Synthesizer IC manufactured by Texas Instruments, designed for 2.4GHz clock/timing applications in a 16-TSSOP surface mount package. The device is currently obsolete, making substitute parts necessary for new designs and ongoing production requirements. Alternative components must maintain functional compatibility across input/output characteristics, frequency range, supply voltage, and thermal operating conditions while accommodating packaging and availability constraints.

Substiute Parts

TRF3750IPW

Texas InstrumentsIn Stock: 1256TRF3750IPW Datasheet

Current PartRFQ

TRF3765IRHBT

Texas InstrumentsIn Stock: 1346TRF3765IRHBT Datasheet

MFR RecommendedRFQ

ADF4113BRUZ

Analog Devices Inc.In Stock: 25932ADF4113BRUZ Datasheet

MFR RecommendedRFQ

ADF4113BRUZ-REEL

Analog Devices Inc.In Stock: 32025ADF4113BRUZ-REEL Datasheet

MFR RecommendedRFQ

ADF4113BRUZ-REEL7

Analog Devices Inc.In Stock: 20661ADF4113BRUZ-REEL7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TRF3750IPW are evaluated based on the following critical parameters that determine functional compatibility:

Primary Compatibility Criteria:

• Clock/timing IC category with synthesizer or PLL functionality
• Surface mount technology with compatible package footprint
• Operating temperature range: -40°C to 85°C minimum
• Supply voltage range that encompasses or exceeds 3V ~ 5.5V
• Input/output clock signal compatibility
• RoHS3 compliance and REACH unaffected status

Substitute Groups:

Group 1: Direct Package Compatibility (16-TSSOP) ADF4113BRUZ, ADF4113BRUZ-REEL, and ADF4113BRUZ-REEL7 maintain identical 16-TSSOP packaging, enabling direct footprint replacement. These Analog Devices Clock/Frequency Synthesizer (RF) ICs operate at 4GHz maximum frequency with 2:1 input:output ratio, matching the TRF3750IPW's signal architecture. Supply voltage range of 2.7V ~ 5.5V encompasses the original specification. All variants share active product status and ROHS3 compliance.

Group 2: Enhanced Performance Alternative (32-VFQFN) TRF3765IRHBT represents a higher-performance Integer-N/Fractional-N VCO IC from Texas Instruments with 4.8GHz maximum frequency and integrated PLL functionality. This device requires PCB layout redesign due to 32-VFQFN package format but offers extended frequency capability and active product status. Supply voltage specification of 3V ~ 3.6V is narrower than the original part.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (No PCB Redesign): Select ADF4113BRUZ, ADF4113BRUZ-REEL, or ADF4113BRUZ-REEL7 when PCB layout and footprint constraints require identical 16-TSSOP packaging. All three variants are functionally equivalent with active product status, ROHS3 compliance, and unlimited moisture sensitivity rating. Packaging variants differ only in tape format and reel configuration; selection depends on procurement and assembly requirements. The extended frequency capability (4GHz vs. 2.4GHz) and broader input compatibility (CMOS/TTL) provide design margin for existing applications.

For Enhanced Performance (PCB Redesign Required): Select TRF3765IRHBT when design specifications permit package migration to 32-VFQFN format. This Texas Instruments device offers active product status, higher maximum frequency (4.8GHz), and integrated PLL functionality. The narrower supply voltage range (3V ~ 3.6V) requires verification against system power distribution specifications. Moisture sensitivity level 2 (1 Year) necessitates controlled storage and handling procedures compared to the original MSL 1 rating.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original TRF3750IPW environmental certifications. Operating temperature range (-40°C ~ 85°C) is consistent across all options.

Frequently Asked Questions (FAQ)

Q: Can ADF4113BRUZ variants directly replace TRF3750IPW without PCB modifications? A: Yes. ADF4113BRUZ, ADF4113BRUZ-REEL, and ADF4113BRUZ-REEL7 share identical 16-TSSOP package dimensions and pin configuration, enabling direct footprint replacement. No PCB layout changes are required.

Q: What is the difference between ADF4113BRUZ, ADF4113BRUZ-REEL, and ADF4113BRUZ-REEL7? A: These are packaging variants of the same base part (ADF4113). ADF4113BRUZ is supplied in tube packaging. ADF4113BRUZ-REEL and ADF4113BRUZ-REEL7 are supplied on tape and reel in different configurations. Electrical specifications and performance are identical; selection depends on procurement volume and assembly equipment compatibility.

Q: Why does TRF3765IRHBT have a different package (32-VFQFN)? A: TRF3765IRHBT is a higher-performance device with integrated PLL and fractional-N capability, requiring a larger 32-pin package. This substitution option is suitable only for designs where PCB layout can be modified to accommodate the different footprint and pin count.

Q: Is the supply voltage range compatible across all substitutes? A: ADF4113 variants operate at 2.7V ~ 5.5V, which encompasses the original 3V ~ 5.5V specification. TRF3765IRHBT operates at 3V ~ 3.6V, which is narrower. Verify system power supply specifications before selecting TRF3765IRHBT.

Q: What is the impact of MSL 2 rating on TRF3765IRHBT compared to MSL 1 on the original part? A: MSL 1 (Unlimited) allows indefinite storage without moisture absorption concerns. MSL 2 (1 Year) requires controlled storage conditions and limits shelf life to one year from manufacturing. Implement appropriate moisture control procedures and inventory management for TRF3765IRHBT.

Q: Are all substitute parts currently in active production? A: Yes. ADF4113BRUZ, ADF4113BRUZ-REEL, ADF4113BRUZ-REEL7, and TRF3765IRHBT all have active product status with confirmed inventory availability, ensuring long-term supply chain reliability.