THS4130CDG4 Equivalent & Substitute Parts

Part Overview

The THS4130CDG4 is a differential amplifier integrated circuit manufactured by Texas Instruments, designed for linear signal processing applications requiring high-speed differential amplification. This device features a single differential circuit in an 8-SOIC surface mount package with a gain bandwidth product of 225 MHz and slew rate of 52V/µs.

The THS4130CDG4 is classified as Obsolete, which necessitates identification of equivalent substitute components for ongoing design support and procurement. Substitute parts must maintain functional compatibility through matching electrical specifications and mechanical packaging requirements while considering current product availability and status.

Substiute Parts

THS4130CDG4

Texas InstrumentsIn Stock: 971THS4130CDG4 Datasheet

Current PartRFQ

THS4130CD

Texas InstrumentsIn Stock: 2164THS4130CD Datasheet

MFR RecommendedRFQ

THS4130IDR

Texas InstrumentsIn Stock: 6728THS4130IDR Datasheet

MFR RecommendedRFQ

AD848JRZ-REEL7

Analog Devices Inc.In Stock: 656AD848JRZ-REEL7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the THS4130CDG4 are identified based on strict electrical and mechanical compatibility criteria. The primary substitution logic is based on the following parameters:

Critical Matching Parameters:

• Amplifier Type: Differential
• Number of Circuits: 1
• Output Type: Differential
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Slew Rate: 52V/µs (minimum threshold)
• Gain Bandwidth Product: 225 MHz (minimum threshold)
• Voltage - Supply Span: 5V to 30V operating range
• Current - Input Bias: 2 µA (maximum threshold)
• Voltage - Input Offset: 200 µV (maximum threshold)

Substitute Categories:

Category 1: Direct Manufacturer Equivalents (Texas Instruments THS4130 Series)

• THS4130CD and THS4130IDR are base product variants of the same THS4130 series
• These parts maintain identical differential amplifier architecture and core electrical specifications
• Differences exist in product status, packaging format, and operating temperature ranges
• All three variants share the 8-SOIC package footprint and surface mount configuration

Category 2: Cross-Manufacturer Alternative (Analog Devices)

• AD848JRZ-REEL7 represents a general-purpose amplifier alternative
• This part does not maintain identical electrical specifications and operates under different functional parameters
• Substitution is conditional and requires circuit-level evaluation

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: THS4130IDR

The THS4130IDR is the recommended primary substitute for the obsolete THS4130CDG4. This part maintains identical differential amplifier architecture and electrical specifications while offering superior product status classification as Active. The THS4130IDR provides extended operating temperature range (-40°C to 85°C) compared to the original part (0°C to 70°C), enabling deployment in broader environmental conditions. Supply voltage range is expanded to 4V to 33V, providing greater design flexibility. Current supply is reduced to 12.3mA from 14mA, offering improved power efficiency. Inventory availability is substantial at 6642 pieces. All mechanical and compliance parameters remain compatible with the original design.

Secondary Substitute: THS4130CD

The THS4130CD serves as a secondary substitute option, maintaining complete electrical equivalence to the THS4130CDG4 with identical specifications across all critical parameters. Product status is Last Time Buy, indicating limited future availability. Packaging format is Tube rather than the original format. Inventory availability is 2100 pieces. This part is suitable for applications where extended temperature range is not required and current product status is acceptable.

Conditional Substitute: AD848JRZ-REEL7

The AD848JRZ-REEL7 from Analog Devices represents a cross-manufacturer alternative with significant electrical differences. This part operates as a general-purpose amplifier rather than a dedicated differential amplifier. Gain bandwidth product is reduced to 175 MHz from 225 MHz. Slew rate is substantially higher at 300V/µs. Input bias current is elevated to 3.3µA. Output current per channel is reduced to 32mA from 85mA. Supply voltage minimum is increased to 9V. These differences indicate the AD848JRZ-REEL7 is suitable only for applications where differential output is not required and lower output current capability is acceptable. Circuit-level evaluation is necessary before implementation.

Frequently Asked Questions (FAQ)

Q: Can THS4130IDR be used as a direct replacement for THS4130CDG4 in existing designs?

A: Yes. The THS4130IDR maintains identical electrical specifications for all critical differential amplifier parameters including slew rate, gain bandwidth product, input bias current, and input offset voltage. The 8-SOIC surface mount package is mechanically compatible. The extended operating temperature range and expanded supply voltage range provide additional design margin. No circuit modifications are required for substitution.

Q: What is the difference between THS4130CD and THS4130IDR?

A: Both parts are functionally equivalent with identical electrical specifications. The primary differences are product status (THS4130CD is Last Time Buy; THS4130IDR is Active), operating temperature range (THS4130CD: 0°C to 70°C; THS4130IDR: -40°C to 85°C), supply voltage range (THS4130CD: 5V to 30V; THS4130IDR: 4V to 33V), and current supply (THS4130CD: 14mA; THS4130IDR: 12.3mA). For new designs, THS4130IDR is preferred due to active status and extended specifications.

Q: Is AD848JRZ-REEL7 a suitable replacement for THS4130CDG4?

A: AD848JRZ-REEL7 is not a direct equivalent. While both are 8-SOIC surface mount amplifiers, the AD848JRZ-REEL7 is classified as a general-purpose amplifier rather than a differential amplifier. Output type specification is not provided for the AD848JRZ-REEL7, indicating it does not maintain differential output capability. Gain bandwidth product is lower at 175 MHz. Output current per channel is reduced to 32mA. Substitution is conditional and requires circuit-level analysis to confirm compatibility with the specific application requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. THS4130CD, THS4130IDR, and AD848JRZ-REEL7 are all ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited). All parts maintain REACH Unaffected status and EAR99 ECCN classification, matching the original THS4130CDG4 compliance profile.

Q: What is the packaging difference between THS4130CDG4 and THS4130CD?

A: The THS4130CDG4 packaging format is not specified in the provided data. The THS4130CD is supplied in Tube packaging. Both parts use the 8-SOIC (0.154", 3.90mm Width) case. The packaging format difference affects handling and storage procedures but does not impact electrical or mechanical compatibility. Verify packaging requirements for your procurement and assembly processes.

Q: Which substitute part has the best inventory availability?

A: THS4130IDR has the highest inventory availability at 6642 pieces, followed by THS4130CD at 2100 pieces, and AD848JRZ-REEL7 at 634 pieces. For long-term supply security, THS4130IDR is the optimal choice due to both active product status and substantial stock levels.

Q: Can THS4130IDR operate at lower supply voltages than THS4130CDG4?

A: Yes. THS4130IDR supports a minimum supply voltage of 4V compared to 5V for the THS4130CDG4, enabling operation in lower voltage applications. Maximum supply voltage is also extended to 33V from 30V, providing broader operating range flexibility.