THS4130CDGK Equivalent & Substitute Parts

Part Overview

The THS4130CDGK 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-VSSOP surface mount package with a gain bandwidth product of 225 MHz and a slew rate of 52 V/µs.

The THS4130CDGK is classified as an obsolete product. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for systems utilizing this differential amplifier topology.

Substiute Parts

THS4130CDGK

Texas InstrumentsIn Stock: 840THS4130CDGK Datasheet

Current PartRFQ

THS4130IDGKR

Texas InstrumentsIn Stock: 1433THS4130IDGKR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the THS4130CDGK is determined by strict equivalence across the following critical parameters:

Electrical Performance Criteria:

• Amplifier type: Differential
• Number of circuits: 1
• Output type: Differential
• Slew rate: 52 V/µs
• Gain bandwidth product: 225 MHz
• -3dB bandwidth: 150 MHz
• Input bias current: 2 µA
• Input offset voltage: 200 µV
• Output current per channel: 85 mA

Power Supply Criteria:

• Supply voltage range compatibility (minimum and maximum operating voltages)
• Supply current requirements

Physical & Environmental Criteria:

• Package type: 8-VSSOP (8-TSSOP, 8-MSOP equivalent)
• Mounting type: Surface Mount
• Operating temperature range
• RoHS and REACH compliance status

The THS4130IDGKR is identified as a manufacturer-recommended substitute based on matching electrical specifications, identical package configuration, and superior product status (Active vs. Obsolete).

Parameter Comparison

Engineering Selection Recommendations

The THS4130IDGKR is the direct substitute for the obsolete THS4130CDGK based on the following engineering criteria:

Product Status Advantage: The THS4130IDGKR maintains Active product status with Texas Instruments, ensuring continued availability, technical support, and manufacturing consistency. The THS4130CDGK is classified as Obsolete, creating supply chain risk and limiting access to manufacturer documentation and support.

Electrical Equivalence: All critical electrical parameters are identical between the two parts, including slew rate, gain bandwidth product, bandwidth, input bias current, input offset voltage, and output current specifications. These parameters define the functional performance of the differential amplifier circuit.

Supply Voltage Compatibility: The THS4130IDGKR operates across a wider supply voltage range (4 V to 33 V) compared to the THS4130CDGK (5 V to 30 V). This extended range provides greater design flexibility and compatibility with diverse power supply configurations.

Power Consumption Improvement: The THS4130IDGKR exhibits lower supply current (12.3 mA) relative to the THS4130CDGK (14 mA), resulting in reduced power dissipation and improved thermal performance in system applications.

Operating Temperature Range: The THS4130IDGKR supports an extended operating temperature range (-40°C to 85°C) compared to the THS4130CDGK (0°C to 70°C), enabling deployment in wider environmental conditions.

Compliance Certification: Both parts maintain identical RoHS3 and REACH compliance status, ensuring regulatory alignment for commercial and industrial applications.

Package Compatibility: Both parts utilize the identical 8-VSSOP package configuration with surface mount technology, enabling direct PCB layout compatibility without redesign.

Frequently Asked Questions (FAQ)

Q: Can the THS4130IDGKR be used as a direct replacement for the THS4130CDGK in existing designs?

A: Yes. The THS4130IDGKR is electrically and mechanically equivalent to the THS4130CDGK across all critical parameters. The identical package footprint (8-VSSOP) and pinout enable direct substitution without PCB layout modifications. The extended supply voltage range and operating temperature range of the substitute part provide additional design margin.

Q: What are the key differences between the THS4130CDGK and THS4130IDGKR?

A: The primary differences are product status, supply current, supply voltage range, and operating temperature range. The THS4130IDGKR is an Active product with lower supply current (12.3 mA vs. 14 mA), wider supply voltage range (4 V to 33 V vs. 5 V to 30 V), and extended operating temperature range (-40°C to 85°C vs. 0°C to 70°C). All differential amplifier electrical specifications remain identical.

Q: Is the THS4130IDGKR compatible with the same PCB footprint as the THS4130CDGK?

A: Yes. Both parts use the 8-VSSOP package with identical pin configuration and physical dimensions (0.118" width, 3.00mm). No PCB layout changes are required for substitution.

Q: What is the significance of the THS4130CDGK being classified as Obsolete?

A: Obsolete classification indicates that Texas Instruments has discontinued active manufacturing and support for this part number. This creates supply chain constraints, limits access to technical documentation, and may result in higher procurement costs due to limited inventory. The Active status of the THS4130IDGKR ensures long-term availability and manufacturer support.

Q: Are there any compliance or regulatory differences between these parts?

A: No. Both the THS4130CDGK and THS4130IDGKR maintain identical RoHS3 Compliant and REACH Unaffected status, ensuring equivalent regulatory compliance for commercial and industrial applications.

Q: Does the lower supply current of the THS4130IDGKR affect circuit performance?

A: No. The lower supply current (12.3 mA vs. 14 mA) of the THS4130IDGKR does not affect the differential amplifier's electrical performance specifications. All signal processing parameters, including slew rate, gain bandwidth product, and bandwidth, remain identical. The reduced current results in lower power dissipation and improved thermal efficiency.

Q: Can the THS4130IDGKR operate at the minimum supply voltage of the THS4130CDGK?

A: Yes. The THS4130IDGKR operates at supply voltages as low as 4 V, which is below the 5 V minimum of the THS4130CDGK. This provides additional design flexibility for low-voltage applications.