THS3001CD Equivalent & Substitute Parts

Part Overview

The THS3001CD is a Current Feedback Amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device is classified as Last Time Buy, indicating discontinued production with limited inventory availability. The THS3001CD delivers high-speed amplification with a 1.75 GHz gain bandwidth product and 6500V/µs slew rate, suitable for applications requiring broadband signal processing. Equivalent and substitute parts are necessary due to product discontinuation and to provide design flexibility across manufacturing timelines and supply chain considerations.

Substiute Parts

THS3001CD

Texas InstrumentsIn Stock: 84937THS3001CD Datasheet

Current PartRFQ

THS3001IDR

Texas InstrumentsIn Stock: 3813THS3001IDR Datasheet

MFR RecommendedRFQ

ISL28177FBZ

Renesas Electronics CorporationIn Stock: 1367ISL28177FBZ Datasheet

MFR RecommendedRFQ

ISL28177FBZ-T13

Renesas Electronics CorporationIn Stock: 2530ISL28177FBZ-T13 Datasheet

MFR RecommendedRFQ

ISL28177FBZ-T7

Renesas Electronics CorporationIn Stock: 1925ISL28177FBZ-T7 Datasheet

MFR RecommendedRFQ

LT1206CS8

Analog Devices Inc.In Stock: 2476LT1206CS8 Datasheet

MFR RecommendedRFQ

LT1206CS8#TRPBF

Analog Devices Inc.In Stock: 17726LT1206CS8#TRPBF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the THS3001CD is based on the following critical parameters: amplifier type (Current Feedback), package format (8-SOIC), mounting type (Surface Mount), and electrical performance specifications including slew rate, gain bandwidth product, and supply voltage range.

Primary Substitute Category: Current Feedback Amplifiers in 8-SOIC Package

The THS3001IDR (Texas Instruments) is the manufacturer-recommended direct substitute. It maintains identical electrical specifications (6500V/µs slew rate, 1.75 GHz gain bandwidth product, 420 MHz -3dB bandwidth) and package format. The primary difference is extended operating temperature range (-40°C to 85°C versus 0°C to 70°C) and Active product status, making it suitable for designs requiring broader temperature performance or longer-term availability.

The LT1206CS8 and LT1206CS8#TRPBF (Analog Devices Inc.) are Current Feedback Amplifiers in 8-SOIC packages with reduced performance specifications. These devices feature lower slew rate (900V/µs), reduced -3dB bandwidth (60 MHz), and higher input bias current (10 µA). These substitutes are applicable only when application requirements permit lower bandwidth and slew rate performance.

Secondary Substitute Category: General Purpose Amplifiers in 8-SOIC Package

The ISL28177FBZ, ISL28177FBZ-T13, and ISL28177FBZ-T7 (Renesas Electronics Corporation) are General Purpose Amplifiers with significantly different electrical characteristics. These devices feature substantially lower slew rate (0.2V/µs), reduced gain bandwidth product (600 kHz), and lower output current capability (30 mA). These parts are not functionally equivalent for high-speed applications and represent alternative topologies only for applications with relaxed bandwidth requirements.

Parameter Comparison

Engineering Selection Recommendations

For Direct Functional Replacement:

The THS3001IDR is the recommended substitute for the THS3001CD. Both devices are Current Feedback Amplifiers with identical electrical performance specifications and 8-SOIC packaging. The THS3001IDR carries Active product status, ensuring continued availability and manufacturing support. Both parts maintain ROHS3 compliance and MSL Level 1 moisture sensitivity rating. The THS3001IDR supports an extended operating temperature range (-40°C to 85°C), providing design flexibility for applications requiring broader temperature operation.

For Performance-Reduced Applications:

The LT1206CS8#TRPBF may be selected when application requirements permit reduced bandwidth and slew rate performance. This device maintains Current Feedback topology and 8-SOIC packaging with Active product status. The LT1206CS8#TRPBF exhibits higher output current capability (1.2 A) compared to the THS3001CD (120 mA), making it suitable for applications requiring increased output drive capability at the expense of bandwidth performance.

For Alternative Topology Applications:

The ISL28177FBZ series (ISL28177FBZ, ISL28177FBZ-T13, ISL28177FBZ-T7) represents General Purpose Amplifier topology with substantially different electrical characteristics. These devices are not functionally equivalent for high-speed applications. Selection of ISL28177FBZ series devices is appropriate only for applications with relaxed bandwidth requirements (below 1 MHz) and where the lower slew rate (0.2V/µs) and reduced gain bandwidth product (600 kHz) are acceptable. All ISL28177FBZ variants maintain Active product status, ROHS3 compliance, and extended operating temperature ranges.

Frequently Asked Questions (FAQ)

Q: Can the THS3001IDR directly replace the THS3001CD in existing designs?

A: Yes. The THS3001IDR is the manufacturer-recommended substitute with identical electrical specifications, package format, and pin configuration. The extended operating temperature range (-40°C to 85°C) provides additional design margin. No circuit modifications are required.

Q: What are the key differences between the THS3001CD and LT1206CS8#TRPBF?

A: Both are Current Feedback Amplifiers in 8-SOIC packages. The THS3001CD provides superior high-frequency performance with 6500V/µs slew rate and 420 MHz -3dB bandwidth. The LT1206CS8#TRPBF offers reduced bandwidth (60 MHz) and slew rate (900V/µs) but provides higher output current capability (1.2 A versus 120 mA). Selection depends on application bandwidth requirements and output drive specifications.

Q: Are the ISL28177FBZ devices suitable replacements for the THS3001CD?

A: The ISL28177FBZ series represents a different amplifier topology (General Purpose versus Current Feedback) with substantially reduced performance specifications. These devices are not suitable for applications requiring the THS3001CD's high-speed performance (1.75 GHz gain bandwidth product, 6500V/µs slew rate). ISL28177FBZ selection is appropriate only for low-bandwidth applications (below 1 MHz).

Q: What packaging options are available for substitute parts?

A: All substitute parts listed maintain the 8-SOIC (0.154", 3.90mm Width) surface mount package format. Packaging variations include Tube (THS3001CD, ISL28177FBZ), Tape & Reel (ISL28177FBZ-T13, ISL28177FBZ-T7), and Cut Tape & Digi-Reel (LT1206CS8#TRPBF). Package selection does not affect electrical performance or pin compatibility.

Q: Why is the THS3001CD classified as Last Time Buy?

A: Last Time Buy status indicates the manufacturer has discontinued production. Existing inventory is available for purchase, but no future manufacturing is planned. The THS3001IDR (Active status) is the recommended path forward for new designs and long-term production requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (THS3001IDR, LT1206CS8#TRPBF, ISL28177FBZ series) maintain ROHS3 compliance and MSL Level 1 moisture sensitivity rating, matching the THS3001CD environmental specifications.

Q: What is the supply voltage compatibility between the THS3001CD and its substitutes?

A: The THS3001CD and THS3001IDR support identical supply voltage ranges (9V to 33V). The LT1206CS8#TRPBF requires 10V to 30V, which is compatible with most THS3001CD applications but with reduced maximum supply voltage. The ISL28177FBZ series supports 6V to 40V, providing broader supply voltage flexibility.