THS4502CDR Equivalent & Substitute Parts

Part Overview

The THS4502CDR is a differential amplifier integrated circuit manufactured by Texas Instruments, designed for high-speed signal processing applications. This device features a single differential circuit in an 8-SOIC surface mount package with a slew rate of 2800V/µs and gain bandwidth product of 300 MHz. The THS4502CDR is classified as an obsolete product, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production continuity.

Substiute Parts

THS4502CDR

Texas InstrumentsIn Stock: 797THS4502CDR Datasheet

Current PartRFQ

MAX4430ESA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 965MAX4430ESA+T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the THS4502CDR is determined by compatibility across the following critical parameters:

Package Compatibility: Both the main part and substitute must utilize the 8-SOIC surface mount package to ensure direct PCB layout compatibility without redesign.

Circuit Configuration: The substitute must provide a single amplifier circuit in a single package to match the functional density of the original design.

Supply Voltage Range: The substitute must operate within or encompass the 4.5V to 15V supply range of the THS4502CDR to ensure compatibility with existing power distribution architectures.

Regulatory Compliance: All substitute parts must maintain ROHS3 compliance and MSL Level 1 rating to satisfy manufacturing and environmental requirements.

Operating Temperature Range: The substitute operating temperature must support the 0°C to 70°C range or provide extended coverage to ensure thermal compatibility.

The MAX4430ESA+T qualifies as a substitute based on these criteria, despite differences in amplifier topology (voltage feedback versus differential) and performance characteristics. Both devices share identical package specifications, single-circuit configuration, and regulatory compliance status.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The THS4502CDR is classified as obsolete, making the MAX4430ESA+T an active product alternative with ongoing manufacturer support and availability. The MAX4430ESA+T maintains active production status, ensuring long-term supply chain reliability.

Regulatory Compliance: Both devices maintain ROHS3 compliance and MSL Level 1 ratings, satisfying environmental and manufacturing standards. No compliance barriers exist for substitution.

Package Compatibility: Identical 8-SOIC packaging enables direct PCB layout compatibility without circuit board redesign or layout modifications.

Supply Voltage Consideration: The MAX4430ESA+T operates within a narrower supply voltage range (9V to 11V) compared to the THS4502CDR (4.5V to 15V). Design implementations utilizing supply voltages below 9V or above 11V require circuit modification or alternative component selection.

Performance Trade-offs: The MAX4430ESA+T exhibits reduced slew rate (100V/µs versus 2800V/µs) and lower bandwidth (180 MHz versus 370 MHz). Applications requiring high-speed transient response or ultra-wideband signal processing may not achieve equivalent performance with this substitute.

Frequently Asked Questions (FAQ)

Q: Can the MAX4430ESA+T directly replace the THS4502CDR without PCB modifications?

A: Yes, direct PCB replacement is possible due to identical 8-SOIC package specifications. However, circuit performance characteristics will differ due to topology differences and reduced bandwidth. Functional validation is required for specific applications.

Q: What are the key performance differences between these devices?

A: The THS4502CDR provides differential amplification with 2800V/µs slew rate and 370 MHz bandwidth. The MAX4430ESA+T provides voltage feedback amplification with 100V/µs slew rate and 180 MHz bandwidth. The THS4502CDR is optimized for high-speed applications, while the MAX4430ESA+T is optimized for lower power consumption (11 mA versus 23 mA).

Q: Are there supply voltage compatibility issues?

A: Yes. The MAX4430ESA+T requires 9V to 11V supply voltage, while the THS4502CDR operates from 4.5V to 15V. Designs using supply voltages outside the 9V to 11V range cannot use the MAX4430ESA+T without additional power regulation circuitry.

Q: Does the MAX4430ESA+T meet the same environmental standards?

A: Yes. Both devices are ROHS3 compliant with MSL Level 1 ratings, satisfying identical environmental and manufacturing requirements.

Q: What is the operating temperature range difference?

A: The THS4502CDR operates from 0°C to 70°C. The MAX4430ESA+T operates from -40°C to 85°C, providing extended low-temperature and high-temperature coverage.

Q: Is the MAX4430ESA+T available in the same packaging format?

A: Yes. The MAX4430ESA+T is supplied in 8-SOIC packaging with identical physical dimensions (0.154", 3.90mm width). The substitute is available in Tape & Reel packaging format.