LT1499CS#TR Equivalent & Substitute Parts

Part Overview

The LT1499CS#TR is a general-purpose operational amplifier integrated circuit manufactured by Analog Devices Inc. This four-channel rail-to-rail amplifier operates across a wide supply voltage range of 2.2 V to 36 V and is housed in a 14-SOIC surface-mount package. The device is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support alternative sourcing strategies while maintaining functional compatibility within specified electrical and mechanical parameters.

Substiute Parts

LT1499CS#TR

Analog Devices Inc.In Stock: 2142LT1499CS#TR Datasheet

Current PartRFQ

LT1499CS#TRPBF

Analog Devices Inc.In Stock: 1725LT1499CS#TRPBF Datasheet

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OPA4172ID

Texas InstrumentsIn Stock: 1318OPA4172ID Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LT1499CS#TR are identified based on strict equivalence of the following critical parameters:

Functional Equivalence Criteria:

• Four-channel general-purpose amplifier configuration
• Rail-to-rail output capability
• 14-SOIC surface-mount package with identical physical dimensions (0.154", 3.90mm Width)
• Active product status ensuring ongoing availability and support

Electrical Compatibility Parameters:

• Input offset voltage: 200 µV (common specification)
• Output type: Rail-to-rail
• Mounting type: Surface mount
• RoHS3 compliance

Substitution Categories:

Direct Equivalent (Packaging Variant): LT1499CS#TRPBF represents an identical part with alternative packaging configuration (Tape & Reel versus standard packaging). This variant maintains all electrical specifications and is sourced from the same manufacturer.

Similar Substitute (Cross-Manufacturer): OPA4172ID from Texas Instruments provides functional substitution with the same four-channel general-purpose amplifier architecture, rail-to-rail output, and 14-SOIC package footprint. This part operates within compatible supply voltage and temperature ranges for most applications.

Parameter Comparison

Engineering Selection Recommendations

LT1499CS#TRPBF Selection: This part is the direct equivalent of LT1499CS#TR with identical electrical specifications and performance characteristics. Selection of LT1499CS#TRPBF is appropriate when Tape & Reel packaging is required for automated assembly processes. Both parts maintain Active product status, RoHS3 compliance, and are sourced from Analog Devices Inc. No functional differences exist between these variants.

OPA4172ID Selection: The OPA4172ID from Texas Instruments provides functional substitution with the same four-channel general-purpose amplifier architecture and 14-SOIC package footprint. This part is suitable for applications where the following conditions are met:

• Minimum supply voltage requirement does not fall below 4.5 V (OPA4172ID minimum versus 2.2 V for LT1499CS#TR)
• Operating temperature range of -40°C to 125°C is compatible with application requirements
• Higher output current capability (75 mA per channel versus 30 mA) is acceptable or beneficial
• Lower input bias current (8 pA versus 500 nA) is acceptable or beneficial

Both substitute parts maintain Active product status and RoHS3 compliance, ensuring regulatory compliance and long-term availability.

Frequently Asked Questions (FAQ)

Q: Can LT1499CS#TRPBF be used as a direct replacement for LT1499CS#TR?

A: Yes. LT1499CS#TRPBF is a direct equivalent with identical electrical specifications, performance characteristics, and physical package dimensions. The difference is packaging format: LT1499CS#TRPBF is supplied in Tape & Reel configuration while LT1499CS#TR uses standard packaging. Both parts are sourced from Analog Devices Inc. and are suitable for identical applications.

Q: What are the key differences between LT1499CS#TR and OPA4172ID?

A: The primary differences are: (1) Minimum supply voltage—OPA4172ID requires 4.5 V minimum versus 2.2 V for LT1499CS#TR, making OPA4172ID unsuitable for low-voltage applications below 4.5 V; (2) Operating temperature range—OPA4172ID operates from -40°C to 125°C versus 0°C to 70°C for LT1499CS#TR; (3) Output current per channel—OPA4172ID provides 75 mA versus 30 mA for LT1499CS#TR; (4) Input bias current—OPA4172ID has 8 pA versus 500 nA for LT1499CS#TR. All three parts share identical 14-SOIC package footprints and four-channel rail-to-rail amplifier architecture.

Q: Is OPA4172ID suitable for applications requiring 2.2 V minimum supply voltage?

A: No. OPA4172ID has a minimum supply voltage specification of 4.5 V and is not suitable for applications requiring operation at 2.2 V. LT1499CS#TR or LT1499CS#TRPBF must be used for low-voltage applications below 4.5 V.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. LT1499CS#TR, LT1499CS#TRPBF, and OPA4172ID are all RoHS3 compliant, meeting regulatory requirements for hazardous substance restrictions.

Q: Can the 14-SOIC package footprint be used interchangeably for all three parts?

A: Yes. All three parts—LT1499CS#TR, LT1499CS#TRPBF, and OPA4172ID—use identical 14-SOIC package dimensions (0.154", 3.90mm Width) and are surface-mount devices. PCB footprints and land patterns are interchangeable.

Q: What is the difference between LT1499CS#TR and LT1499CS#TRPBF packaging?

A: LT1499CS#TR uses standard packaging while LT1499CS#TRPBF is supplied in Tape & Reel (TR) format. Tape & Reel packaging is optimized for high-volume automated assembly processes. Electrical specifications and performance are identical.

Q: Are all substitute parts currently in active production?

A: Yes. LT1499CS#TR, LT1499CS#TRPBF, and OPA4172ID all maintain Active product status, indicating ongoing manufacturing and availability.