LMH6629MFX/NOPB Equivalent & Substitute Parts

Part Overview

The LMH6629MFX/NOPB is a voltage feedback operational amplifier manufactured by Texas Instruments, designed for high-speed signal conditioning applications. This single-circuit op-amp operates across a 2.7 V to 5.5 V supply range and delivers a slew rate of 1600 V/µs with a -3dB bandwidth of 1 GHz, making it suitable for broadband amplification and signal processing tasks. The device is currently in active production status with 3380 units available in stock. Identifying equivalent substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain component availability across manufacturing cycles.

Substiute Parts

LMH6629MFX/NOPB

Texas InstrumentsIn Stock: 3448LMH6629MFX/NOPB Datasheet

Current PartRFQ

LMH6629MFE/NOPB

Texas InstrumentsIn Stock: 2209LMH6629MFE/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LMH6629MFX/NOPB are identified based on strict electrical and mechanical parameter matching within the voltage feedback amplifier category. The substitution criteria are:

Critical Matching Parameters:

• Amplifier Type: Voltage Feedback
• Number of Circuits: 1
• Slew Rate: 1600 V/µs
• -3dB Bandwidth: 1 GHz
• Current - Input Bias: 15 µA
• Voltage - Input Offset: 150 µV
• Current - Supply: 15.5 mA
• Current - Output / Channel: 250 mA
• Voltage - Supply Span: 2.7 V to 5.5 V
• Operating Temperature Range: -40°C to 125°C
• Package / Case: SC-74A, SOT-753 (SOT-23-5)
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant

Parts meeting all these parameters are classified as direct substitutes and can be used interchangeably in circuit designs without modification to PCB layout or schematic topology.

Parameter Comparison

Engineering Selection Recommendations

The LMH6629MFE/NOPB is a direct substitute for the LMH6629MFX/NOPB. Both parts are manufactured by Texas Instruments, share identical electrical specifications, and are packaged in the same SOT-23-5 surface-mount configuration. Both devices maintain active production status and comply with ROHS3 and REACH regulatory requirements. Selection between these parts should be based on inventory availability and supply chain logistics, as all electrical and mechanical parameters are equivalent. The LMH6629MFX/NOPB currently has higher inventory (3380 units) compared to the LMH6629MFE/NOPB (2135 units), which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can LMH6629MFE/NOPB replace LMH6629MFX/NOPB in existing designs?

A: Yes. The LMH6629MFE/NOPB is a direct substitute with identical electrical performance, slew rate, bandwidth, supply voltage range, and operating temperature specifications. No circuit modifications or PCB layout changes are required.

Q: Are the package dimensions identical between these parts?

A: Yes. Both parts use the SC-74A / SOT-753 package format in SOT-23-5 configuration. PCB footprints and land patterns are identical.

Q: What is the difference between the MFX and MFE suffixes?

A: The suffix designations indicate different packaging or tape reel configurations from Texas Instruments. The electrical specifications and performance characteristics remain identical.

Q: Do both parts meet the same compliance standards?

A: Yes. Both LMH6629MFX/NOPB and LMH6629MFE/NOPB are ROHS3 compliant, REACH unaffected, and carry MSL Level 1 (unlimited moisture sensitivity rating).

Q: Which part should be selected for new designs?

A: Either part is suitable for new designs. Selection should be based on current inventory availability and supplier lead times, as electrical and mechanical specifications are equivalent.

Q: Are there any thermal or performance differences between these substitutes?

A: No. Both parts operate across the same temperature range (-40°C to 125°C) and deliver identical slew rate (1600 V/µs), bandwidth (1 GHz), and output current (250 mA) specifications.