LMH6622MMX Equivalent & Substitute Parts

Part Overview

The LMH6622MMX is a voltage feedback operational amplifier featuring dual circuits with differential output configuration, manufactured by Texas Instruments. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and procurement continuity. The LMH6622MMX operates across a 5V to 12V supply range with a slew rate of 85V/µs and -3dB bandwidth of 160 MHz, making it suitable for high-speed signal conditioning applications. Due to its obsolete status, active production alternatives with identical or superior electrical characteristics are required for new designs and legacy system maintenance.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Voltage Feedback	—
Number of Circuits	2	—
Output Type	Differential	—
Slew Rate	85	V/µs
-3dB Bandwidth	160	MHz
Current - Input Bias	4.7	µA
Voltage - Input Offset	200	µV
Current - Supply (per Channel)	4.3	mA
Current - Output / Channel	90	mA
Voltage - Supply Span (Min)	5	V
Voltage - Supply Span (Max)	12	V
Operating Temperature Range	-40 to 85	°C
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the LMH6622MMX is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Amplifier topology: Voltage feedback configuration
Circuit count: Dual (2) independent amplifier circuits
Output configuration: Differential output stage
Slew rate: 85V/µs minimum
Bandwidth: 160 MHz at -3dB
Input bias current: 4.7 µA maximum
Input offset voltage: 200 µV maximum
Output current capability: 90 mA per channel minimum
Supply voltage range: 5V to 12V operation

Mechanical Equivalence Criteria:

Package type: 8-TSSOP or 8-MSOP (0.118", 3.00mm width)
Mounting: Surface mount configuration
Pin compatibility: Identical pinout required

The LMH6622MMX/NOPB represents a direct manufacturer equivalent with identical electrical specifications and package configuration. This part maintains full compatibility while offering active product status and improved compliance certifications.

Parameter Comparison

Parameter	LMH6622MMX	LMH6622MMX/NOPB
Manufacturer	Texas Instruments	Texas Instruments
Amplifier Type	Voltage Feedback	Voltage Feedback
Number of Circuits	2	2
Output Type	Differential	Differential
Slew Rate (V/µs)	85	85
-3dB Bandwidth (MHz)	160	160
Current - Input Bias (µA)	4.7	4.7
Voltage - Input Offset (µV)	200	200
Current - Supply per Channel (mA)	4.3	4.3
Current - Output / Channel (mA)	90	90
Voltage - Supply Span Min (V)	5	5
Voltage - Supply Span Max (V)	12	12
Operating Temperature (°C)	-40 to 85	-40 to 85
Package / Case	8-TSSOP, 8-MSOP	8-TSSOP, 8-MSOP
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Active
RoHS Status	Non-compliant	ROHS3 Compliant
Packaging Option	Bulk	Tape & Reel (TR)

Engineering Selection Recommendations

Primary Substitute: LMH6622MMX/NOPB

The LMH6622MMX/NOPB is the direct manufacturer equivalent and represents the preferred substitution path. This part maintains 100% electrical and mechanical compatibility with the obsolete LMH6622MMX while offering the following advantages:

Product Status: Active production status ensures long-term availability and supply chain continuity
Compliance: ROHS3 compliant, meeting current environmental and regulatory requirements
Packaging: Available in Tape & Reel format, supporting automated assembly processes
Certification: REACH unaffected status maintained across both variants

For applications requiring the LMH6622MMX, the LMH6622MMX/NOPB provides direct replacement capability without circuit redesign or performance compromise. The identical electrical specifications and package configuration enable pin-for-pin substitution in existing PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can the LMH6622MMX/NOPB replace the LMH6622MMX in existing designs?

A: Yes. The LMH6622MMX/NOPB is electrically and mechanically identical to the LMH6622MMX. All electrical parameters, including slew rate, bandwidth, input bias current, and output current capability, are equivalent. The package configuration and pinout are identical, enabling direct substitution without circuit modification.

Q: What is the difference between LMH6622MMX and LMH6622MMX/NOPB?

A: The primary differences are product status and compliance certifications. The LMH6622MMX is obsolete and RoHS non-compliant, while the LMH6622MMX/NOPB is active production and ROHS3 compliant. Packaging differs in format: the original is supplied in bulk, while the /NOPB variant is supplied in Tape & Reel configuration. Electrical specifications are identical.

Q: Are there alternative dual-channel voltage feedback amplifiers with differential output?

A: The substitute list references LT1816CMS8#PBF, AD8056ARMZ-REEL7, AD8056ARMZ, and LT1816IMS8#PBF as alternative options. However, these parts require detailed electrical specification comparison to confirm compatibility with specific application requirements. Substitution with these alternatives requires verification of all electrical parameters against application circuit design.

Q: What packaging options are available for the LMH6622MMX/NOPB?

A: The LMH6622MMX/NOPB is supplied in Tape & Reel (TR) packaging format. The physical package is 8-TSSOP or 8-MSOP with 0.118" width (3.00mm), suitable for surface mount assembly on standard PCB equipment.

Q: Is the LMH6622MMX/NOPB suitable for new designs?

A: Yes. The LMH6622MMX/NOPB is active production status and ROHS3 compliant, making it appropriate for new product development. The active status ensures availability for the design lifecycle and production phases.

Q: What is the moisture sensitivity level for the LMH6622MMX/NOPB?

A: The moisture sensitivity level (MSL) is 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard handling and storage procedures apply without special moisture control requirements.

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