TLV3544IPWR CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The TLV3544IPWR is a quad-channel CMOS operational amplifier manufactured by Texas Instruments, designed for rail-to-rail signal conditioning applications. This device integrates four independent amplifier circuits in a 14-TSSOP surface mount package, operating across a 2.5V to 5.5V supply voltage range with an operating temperature range of -40°C to 125°C. The part maintains Active product status with full RoHS3 compliance and REACH unaffected designation. Equivalent and substitute parts are identified based on matching functional specifications, package compatibility, and electrical performance parameters that enable direct circuit board replacement without design modification.

Substiute Parts

TLV3544IPWR

Texas InstrumentsIn Stock: 2108TLV3544IPWR Datasheet

Current PartRFQ

ADA4891-4ARUZ

Analog Devices Inc.In Stock: 2649ADA4891-4ARUZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLV3544IPWR are identified through strict alignment of the following critical parameters:

Functional Equivalence Criteria:

• Amplifier Type: CMOS technology
• Number of Circuits: 4 independent channels
• Output Type: Rail-to-Rail configuration
• Package / Case: 14-TSSOP form factor with identical 0.173" (4.40mm) width
• Mounting Type: Surface Mount technology
• Supply Voltage Range: Minimum 2.5V to maximum 5.5V compatibility
• Operating Temperature Range: -40°C to 125°C coverage
• Compliance: RoHS3 and REACH unaffected status

The ADA4891-4ARUZ from Analog Devices Inc. satisfies all functional equivalence criteria, enabling direct substitution in circuit applications requiring quad-channel CMOS amplification with rail-to-rail output capability in the 14-TSSOP package format.

Parameter Comparison

Engineering Selection Recommendations

Substitution Compatibility:

The ADA4891-4ARUZ qualifies as a direct substitute for the TLV3544IPWR based on identical package geometry, matching amplifier topology, and overlapping electrical specifications. Both devices maintain Active product status with full RoHS3 compliance and REACH unaffected regulatory designation.

Performance Considerations:

The ADA4891-4ARUZ demonstrates enhanced performance characteristics in several parameters: slew rate increases from 150V/µs to 210V/µs, gain bandwidth product increases from 100MHz to 105MHz, and -3db bandwidth increases from 200MHz to 220MHz. Supply current consumption decreases from 5.2mA to 4.4mA across four channels, while output current per channel increases from 100mA to 125mA. Input bias current improves from 3pA to 2pA.

Compliance and Reliability:

Both parts maintain identical operating temperature range (-40°C to 125°C) and supply voltage compatibility (2.5V to 5.5V minimum, 5.5V maximum). The ADA4891-4ARUZ features improved moisture sensitivity level (MSL 1 with unlimited shelf life versus MSL 2 with 1-year shelf life), indicating enhanced environmental robustness.

Packaging and Handling:

Identical 14-TSSOP surface mount package specifications ensure mechanical and electrical compatibility without PCB layout modification. Pin-to-pin compatibility enables direct socket replacement in existing circuit designs.

Frequently Asked Questions (FAQ)

Q: Can the ADA4891-4ARUZ replace the TLV3544IPWR in existing designs without PCB modification?

A: Yes. Both devices use identical 14-TSSOP package geometry with matching pin assignments. Direct substitution is possible without circuit board redesign or layout changes.

Q: What are the key electrical differences between these parts?

A: The ADA4891-4ARUZ provides improved slew rate (210V/µs vs. 150V/µs), higher output current capability (125mA vs. 100mA per channel), and lower supply current consumption (4.4mA vs. 5.2mA total). Input bias current is lower (2pA vs. 3pA). Both maintain identical supply voltage range and operating temperature specifications.

Q: Are there supply voltage compatibility concerns?

A: The ADA4891-4ARUZ minimum supply voltage is 2.7V compared to 2.5V for the TLV3544IPWR. Both support maximum 5.5V operation. Applications operating below 2.7V require the TLV3544IPWR. For applications within the 2.7V to 5.5V range, both parts are compatible.

Q: How do the moisture sensitivity levels affect component handling?

A: The TLV3544IPWR (MSL 2, 1-year shelf life) requires controlled storage conditions and has a one-year floor life after moisture barrier bag opening. The ADA4891-4ARUZ (MSL 1, unlimited shelf life) offers extended storage capability without time-based constraints, reducing inventory management complexity.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the TLV3544IPWR and ADA4891-4ARUZ maintain full RoHS3 compliance and REACH unaffected regulatory status, meeting environmental and hazardous substance restrictions for commercial and industrial applications.

Q: What is the pin configuration compatibility?

A: Both devices use 14-pin TSSOP package format with identical pin assignments for quad-channel CMOS amplifier operation. Pin-for-pin compatibility enables direct substitution without circuit modification.