THS4131ID Equivalent & Substitute Parts

Part Overview

The THS4131ID is a differential amplifier integrated circuit manufactured by Texas Instruments, designed for high-speed signal processing applications. This device features a single differential amplifier circuit in an 8-SOIC surface mount package with a gain bandwidth product of 225 MHz and a slew rate of 52 V/µs. The THS4131ID is currently designated as Last Time Buy, indicating that the manufacturer has discontinued or will discontinue production. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications utilizing this differential amplifier topology.

Substiute Parts

THS4131ID

Texas InstrumentsIn Stock: 65971THS4131ID Datasheet

Current PartRFQ

THS4131IDR

Texas InstrumentsIn Stock: 1543THS4131IDR Datasheet

MFR RecommendedRFQ

THS4130ID

Texas InstrumentsIn Stock: 2330THS4130ID Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the THS4131ID are identified based on strict electrical and mechanical parameter equivalence. The substitution criteria are defined by the following key parameters:

Electrical Equivalence Parameters:

• Amplifier Type: Differential
• Number of Circuits: 1
• Output Type: Differential
• Slew Rate: 52 V/µs
• Gain Bandwidth Product: 225 MHz
• -3dB Bandwidth: 150 MHz
• Current - Input Bias: 2 µA
• Voltage - Input Offset: 200 µV
• Current - Supply: 12.3 mA
• Current - Output / Channel: 85 mA
• Voltage - Supply Span (Min): 4 V
• Voltage - Supply Span (Max): 33 V
• Operating Temperature Range: -40°C to 85°C

Mechanical Equivalence Parameters:

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Supplier Device Package: 8-SOIC

Compliance Parameters:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Parts meeting all electrical, mechanical, and compliance parameters are classified as direct substitutes. Variations in product status or packaging format do not affect electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

THS4131IDR (MFR Recommended Substitute)

The THS4131IDR is the manufacturer-recommended substitute for the THS4131ID. This part maintains identical electrical and mechanical specifications while offering the advantage of Active product status. The THS4131IDR is suitable for new designs and ongoing production requirements where long-term availability is a priority. Both parts are ROHS3 Compliant with MSL 1 (Unlimited) rating, ensuring compatibility with standard manufacturing and storage protocols.

THS4130ID (Parametric Equivalent Substitute)

The THS4130ID provides complete electrical and mechanical equivalence to the THS4131ID, with all key performance parameters matching exactly. However, this part carries Obsolete product status, indicating that manufacturer support and availability may be limited. The THS4130ID is suitable for legacy system maintenance and repair applications where existing inventory exists. Like the primary part, it is ROHS3 Compliant with MSL 1 (Unlimited) rating.

Selection Basis

Part selection should prioritize product status and long-term availability requirements. For new designs and applications requiring sustained component supply, THS4131IDR is the appropriate choice. For legacy system support where existing stock is available, THS4130ID remains electrically and mechanically compatible. All three parts are fully compliant with ROHS3 and REACH regulations, with identical thermal and electrical operating characteristics.

Frequently Asked Questions (FAQ)

Q: Can THS4131IDR be used as a direct replacement for THS4131ID in existing designs?

A: Yes. The THS4131IDR is electrically and mechanically identical to the THS4131ID. All electrical parameters, including slew rate, gain bandwidth product, input bias current, and supply voltage specifications are identical. Both parts use the same 8-SOIC package with identical pinout and thermal characteristics. The primary difference is product status: THS4131IDR is Active while THS4131ID is Last Time Buy.

Q: What is the difference between THS4131IDR and THS4130ID?

A: Both parts are electrically and mechanically equivalent to THS4131ID with identical performance specifications. The key difference is product status: THS4131IDR is Active (recommended for new designs), while THS4130ID is Obsolete (limited availability). The base product numbers differ (THS4131 versus THS4130), but all electrical and mechanical parameters are identical.

Q: Are there any package or pinout differences between these substitutes?

A: No. All three parts use the 8-SOIC (0.154", 3.90mm Width) surface mount package with identical pinout and mechanical dimensions. They are directly interchangeable at the PCB level without layout modifications.

Q: Do these parts have the same compliance certifications?

A: Yes. All three parts are ROHS3 Compliant, REACH Unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating. They meet identical environmental and regulatory requirements.

Q: Which substitute should I choose for a new product design?

A: THS4131IDR is the appropriate choice for new designs. It maintains Active product status, ensuring long-term manufacturer support and availability. It is electrically and mechanically identical to THS4131ID while offering superior supply chain continuity.

Q: Can THS4130ID be used if THS4131IDR is unavailable?

A: THS4130ID is electrically and mechanically equivalent and can be used as a substitute. However, its Obsolete status means availability may be limited. Use THS4130ID only when THS4131IDR is unavailable and existing inventory is confirmed.

Q: Are there any thermal or operating temperature differences?

A: No. All three parts operate across the identical temperature range of -40°C to 85°C with identical thermal characteristics and current supply specifications.