TLC4502IDR Equivalent & Substitute Parts

Part Overview

The TLC4502IDR is a CMOS amplifier integrated circuit manufactured by Texas Instruments, featuring two independent circuits in an 8-SOIC surface mount package. This device is classified as a rail-to-rail output amplifier with CMOS architecture, designed for applications requiring low input bias current and precision signal conditioning. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical constraints of the application.

Substiute Parts

TLC4502IDR

Texas InstrumentsIn Stock: 8381TLC4502IDR Datasheet

Current PartRFQ

MAX4252ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2003MAX4252ESA+ Datasheet

MFR RecommendedRFQ

MAX4257ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2078MAX4257ESA+ Datasheet

MFR RecommendedRFQ

MAX4282ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1343MAX4282ESA+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLC4502IDR are qualified based on the following criteria:

Mechanical Compatibility: All substitute parts maintain the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring direct pin-compatible replacement without PCB redesign.

Functional Architecture: Substitute parts contain two independent amplifier circuits, matching the dual-channel configuration of the main part.

Output Configuration: All substitute parts feature rail-to-rail output capability, maintaining the full supply voltage swing performance of the TLC4502IDR.

Electrical Operating Range: Substitute parts operate within overlapping supply voltage ranges. The TLC4502IDR operates from 4V to 6V; substitute parts operate from 2.4V to 5.5V or 2.5V to 5.5V, providing compatibility within the 4V to 5.5V common operating window.

Compliance & Certification: All substitute parts maintain RoHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity rating (MSL 1), ensuring regulatory equivalence.

Product Status: All substitute parts maintain Active product status, confirming ongoing manufacturing and supply availability.

The following substitute parts are qualified: MAX4252ESA+, MAX4257ESA+, and MAX4282ESA+.

Parameter Comparison

Engineering Selection Recommendations

Mechanical & Regulatory Equivalence: All substitute parts (MAX4252ESA+, MAX4257ESA+, MAX4282ESA+) are mechanically compatible with the TLC4502IDR in 8-SOIC surface mount packages. All parts maintain RoHS3 compliance and REACH unaffected status, satisfying regulatory requirements for direct substitution.

Operating Temperature Consideration: The TLC4502IDR operates to 125°C maximum, while all substitute parts operate to 85°C maximum. Applications requiring operation above 85°C require the TLC4502IDR.

Supply Voltage Compatibility: The TLC4502IDR requires 4V to 6V supply operation. All substitute parts operate from 2.4V or 2.5V minimum, providing compatibility within the 4V to 5.5V common operating window. Applications requiring operation above 5.5V require the TLC4502IDR.

Product Availability & Status: All parts maintain Active product status with current manufacturing. Inventory availability: TLC4502IDR (8321 pcs), MAX4252ESA+ (1900 pcs), MAX4257ESA+ (2000 pcs), MAX4282ESA+ (1291 pcs).

Frequently Asked Questions (FAQ)

Q: Can MAX4252ESA+ directly replace TLC4502IDR in all applications?

A: MAX4252ESA+ is mechanically and electrically compatible within the 4V to 5.5V supply range and -40°C to 85°C operating temperature. Applications operating above 85°C or above 5.5V supply voltage require the TLC4502IDR.

Q: What is the primary difference between MAX4257ESA+ and MAX4252ESA+?

A: MAX4257ESA+ provides higher gain bandwidth product (22 MHz versus 3 MHz) and faster slew rate (2.1 V/µs versus 0.3 V/µs). Both parts share identical supply current, output current, and input offset voltage specifications.

Q: Is MAX4282ESA+ suitable for low-power applications?

A: MAX4282ESA+ operates at 320 µA supply current per dual channel, lower than TLC4502IDR (2.5 mA) and other substitutes. However, MAX4282ESA+ exhibits higher input bias current (50 pA) and input offset voltage (500 µV) compared to TLC4502IDR (1 pA, 10 µV).

Q: Are all substitute parts pin-compatible with TLC4502IDR?

A: Yes. All substitute parts use 8-SOIC (0.154", 3.90mm Width) surface mount packages with identical pinout, enabling direct PCB replacement without layout modification.

Q: What compliance certifications apply to substitute parts?

A: All substitute parts maintain RoHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity level (MSL 1), matching the TLC4502IDR regulatory profile.

Q: Which substitute part most closely matches TLC4502IDR performance?

A: MAX4257ESA+ provides the closest performance match with slew rate of 2.1 V/µs (TLC4502IDR: 2.5 V/µs) and gain bandwidth product of 22 MHz (TLC4502IDR: 4.7 MHz). Operating temperature and supply voltage ranges remain the primary limiting factors for direct equivalence.