THS3001ID Equivalent & Substitute Parts

Part Overview

The THS3001ID is a Current Feedback Amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This component is classified as obsolete, though 3200 pieces remain available in new original stock. The THS3001ID delivers high-speed amplification with a slew rate of 6500V/µs and gain bandwidth product of 1.75 GHz, making it suitable for applications requiring fast transient response and wide bandwidth performance. Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity and long-term component sourcing strategy.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	THS3001ID	—
Manufacturer	Texas Instruments	—
Amplifier Type	Current Feedback	—
Number of Circuits	1	—
Slew Rate	6500	V/µs
Gain Bandwidth Product	1.75	GHz
-3dB Bandwidth	420	MHz
Current - Input Bias	2	µA
Voltage - Input Offset	1	mV
Current - Supply	6.6	mA
Voltage - Supply Span (Min)	9	V
Voltage - Supply Span (Max)	33	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the THS3001ID is determined by the following critical parameters:

Primary Substitution Criteria:

Amplifier Type: Current Feedback
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Number of Circuits: 1
Mounting Type: Surface Mount
Voltage - Supply Span compatibility (Min 9V, Max 33V overlap required)

Secondary Compatibility Factors:

Slew Rate: 6500V/µs (THS3001ID baseline)
Gain Bandwidth Product: 1.75 GHz (THS3001ID baseline)
-3dB Bandwidth: 420 MHz (THS3001ID baseline)
Current - Input Bias: 2 µA (THS3001ID baseline)
Voltage - Input Offset: 1 mV (THS3001ID baseline)

The substitute parts are grouped into two categories:

Category 1: Direct Manufacturer Equivalents (Texas Instruments)

THS3001IDR: Active product status, identical electrical specifications, same 8-SOIC package

Category 2: Alternative Amplifier Solutions (Different Manufacturers)

ISL28177FBZ, ISL28177FBZ-T13, ISL28177FBZ-T7 (Renesas Electronics): General Purpose Amplifiers in 8-SOIC package with different electrical characteristics
LT1206CS8, LT1206CS8#TRPBF (Analog Devices): Current Feedback Amplifiers in 8-SOIC package with different electrical characteristics

Note: ISL28177 series parts differ significantly in amplifier type (General Purpose vs. Current Feedback), slew rate, and bandwidth. LT1206 series parts are Current Feedback Amplifiers but with reduced slew rate and bandwidth compared to THS3001ID.

Parameter Comparison

Parameter	THS3001ID	THS3001IDR	ISL28177FBZ	ISL28177FBZ-T13	ISL28177FBZ-T7	LT1206CS8	LT1206CS8#TRPBF
Manufacturer	Texas Instruments	Texas Instruments	Renesas Electronics	Renesas Electronics	Renesas Electronics	Analog Devices	Analog Devices
Amplifier Type	Current Feedback	Current Feedback	General Purpose	General Purpose	General Purpose	Current Feedback	Current Feedback
Number of Circuits	1	1	1	1	1	1	1
Slew Rate (V/µs)	6500	6500	0.2	0.2	0.2	900	900
Gain Bandwidth Product	1.75 GHz	1.75 GHz	600 kHz	600 kHz	600 kHz	—	—
-3dB Bandwidth (MHz)	420	420	—	—	—	60	60
Current - Input Bias (µA)	2	2	0.0002	0.0002	0.0002	10	10
Voltage - Input Offset (mV)	1	1	0.15	0.15	0.15	3	3
Current - Supply (mA)	6.6	6.6	1.18	1.18	1.18	20	20
Current - Output / Channel (mA)	—	120	30	30	30	1200	1200
Voltage - Supply Span Min (V)	9	9	6	6	6	10	10
Voltage - Supply Span Max (V)	33	33	40	40	40	30	30
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 125	0 to 70	0 to 70
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Tier 1: Recommended Direct Substitute

THS3001IDR is the primary recommended substitute for THS3001ID. This part maintains identical electrical specifications including slew rate (6500V/µs), gain bandwidth product (1.75 GHz), and -3dB bandwidth (420 MHz). Both components are Current Feedback Amplifiers in 8-SOIC packages with matching supply voltage ranges (9V to 33V). The critical advantage is that THS3001IDR holds Active product status, ensuring long-term availability and supply chain continuity. All compliance certifications are equivalent: ROHS3 Compliant, MSL 1 (Unlimited), and REACH Unaffected status. Current inventory of THS3001IDR is 3782 pieces.

Tier 2: Alternative Current Feedback Solutions

LT1206CS8 and LT1206CS8#TRPBF (Analog Devices) are Current Feedback Amplifiers in 8-SOIC packages with Active product status. These parts are suitable for applications where reduced slew rate (900V/µs) and lower -3dB bandwidth (60 MHz) are acceptable. The LT1206 series offers significantly higher output current capability (1.2 A per channel) compared to THS3001ID. Supply voltage compatibility exists within the 10V to 30V range. Both variants are ROHS3 Compliant with MSL 1 rating. LT1206CS8#TRPBF has the highest inventory availability at 17700 pieces.

Tier 3: General Purpose Amplifier Alternatives

ISL28177FBZ, ISL28177FBZ-T13, and ISL28177FBZ-T7 (Renesas Electronics) are General Purpose Amplifiers in 8-SOIC packages with Active product status. These parts are not direct functional equivalents due to fundamental differences in amplifier architecture (General Purpose vs. Current Feedback). The ISL28177 series exhibits significantly lower slew rate (0.2V/µs) and gain bandwidth product (600 kHz), making them unsuitable for high-speed applications requiring the performance characteristics of THS3001ID. These parts are listed as alternatives only for applications where high-speed performance is not a design requirement. All ISL28177 variants are ROHS3 Compliant with MSL 1 rating and extended operating temperature range (-40°C to 125°C).

Compliance and Certification Summary

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols. All parts carry REACH Unaffected status and EAR99 export classification, matching the regulatory profile of the original THS3001ID.

Frequently Asked Questions (FAQ)

Q1: Can THS3001IDR be used as a direct replacement for THS3001ID in existing designs?

A: Yes. THS3001IDR is electrically and mechanically identical to THS3001ID. Both are Current Feedback Amplifiers with 6500V/µs slew rate, 1.75 GHz gain bandwidth product, and 420 MHz -3dB bandwidth. Both use 8-SOIC packages with identical pinouts and supply voltage requirements (9V to 33V). The primary difference is product status: THS3001IDR is Active, ensuring continued availability.

Q2: What are the key differences between THS3001ID and the ISL28177 series?

A: The fundamental difference is amplifier architecture. THS3001ID is a Current Feedback Amplifier with 6500V/µs slew rate and 1.75 GHz bandwidth. ISL28177 series are General Purpose Amplifiers with 0.2V/µs slew rate and 600 kHz bandwidth. These performance differences make ISL28177 unsuitable for applications requiring high-speed transient response. Both share 8-SOIC packaging and surface mount mounting type.

Q3: Are LT1206 parts suitable replacements for THS3001ID?

A: LT1206CS8 and LT1206CS8#TRPBF are Current Feedback Amplifiers in 8-SOIC packages, but with reduced performance specifications. Slew rate is 900V/µs (versus 6500V/µs for THS3001ID) and -3dB bandwidth is 60 MHz (versus 420 MHz). These parts are suitable only for applications where lower bandwidth and slower slew rate are acceptable. LT1206 offers higher output current (1.2 A) compared to THS3001ID.

Q4: What is the operating temperature range difference between THS3001ID and substitute parts?

A: THS3001ID and THS3001IDR operate from -40°C to 85°C. ISL28177 series extends to -40°C to 125°C, providing wider temperature coverage. LT1206 series operates from 0°C to 70°C, which is narrower than THS3001ID. Temperature range selection depends on application requirements.

Q5: Do all substitute parts maintain the same RoHS and MSL compliance as THS3001ID?

A: Yes. All listed substitute parts (THS3001IDR, ISL28177FBZ, ISL28177FBZ-T13, ISL28177FBZ-T7, LT1206CS8, LT1206CS8#TRPBF) are ROHS3 Compliant with MSL 1 (Unlimited) rating, matching the compliance profile of THS3001ID.

Q6: What packaging options are available for substitute parts?

A: All substitute parts are available in 8-SOIC surface mount packages. THS3001IDR is available in Tube packaging. ISL28177FBZ is available in Tube packaging; ISL28177FBZ-T13 and ISL28177FBZ-T7 are available in Tape & Reel (TR) packaging. LT1206CS8#TRPBF is available in Cut Tape (CT) & Digi-Reel® packaging. Package selection affects handling and assembly processes but does not alter electrical performance.

Q7: Which substitute part has the best current inventory availability?

A: LT1206CS8#TRPBF has the highest inventory at 17700 pieces. THS3001IDR has 3782 pieces. ISL28177FBZ-T13 has 2482 pieces. ISL28177FBZ-T7 has 1900 pieces. ISL28177FBZ has 1320 pieces. Original THS3001ID has 3200 pieces remaining.

Q8: Can supply voltage requirements be met by all substitute parts?

A: THS3001ID requires 9V to 33V supply. THS3001IDR matches this exactly. ISL28177 series accepts 6V to 40V, providing broader compatibility. LT1206 series requires 10V to 30V, which overlaps with THS3001ID requirements but with narrower margins. Verify specific supply voltage availability in your application before selection.

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