THS4150CDG4 Equivalent & Substitute Parts

Part Overview

The THS4150CDG4 is a differential amplifier integrated circuit manufactured by Texas Instruments, designed for high-speed signal conditioning applications. This device features a single differential amplifier circuit in an 8-SOIC surface mount package with a gain bandwidth product of 340 MHz and slew rate of 650 V/µs.

The THS4150CDG4 is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production requirements. The substitute part identified maintains identical electrical and mechanical specifications while offering active product status and improved inventory availability.

Substiute Parts

THS4150CDG4

Texas InstrumentsIn Stock: 728THS4150CDG4 Datasheet

Current PartRFQ

THS4150CD

Texas InstrumentsIn Stock: 1778THS4150CD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the THS4150CDG4 is based on strict equivalence across all critical electrical and mechanical parameters. The substitute part THS4150CD maintains identical specifications in the following key areas:

Electrical Performance Parameters:

• Amplifier topology: Differential configuration with single circuit
• Signal processing characteristics: 340 MHz gain bandwidth product, 150 MHz -3dB bandwidth, 650 V/µs slew rate
• Input characteristics: 4.3 µA input bias current, 1.1 mV input offset voltage
• Supply requirements: 17.5 mA supply current, 4 V to 33 V supply span
• Operating temperature range: 0°C to 70°C

Mechanical & Packaging Parameters:

• Package type: 8-SOIC surface mount
• Physical dimensions: 0.154" width (3.90 mm)
• Mounting compatibility: Direct PCB surface mount replacement

Compliance & Environmental Parameters:

• RoHS3 compliance maintained
• Moisture sensitivity level: 1 (Unlimited)
• REACH unaffected status maintained

The substitute part differs only in product status (Active vs. Discontinued) and inventory availability, with no changes to form, fit, or function.

Parameter Comparison

Engineering Selection Recommendations

The THS4150CD is a direct functional equivalent to the THS4150CDG4 and is suitable for substitution in all applications where the discontinued part was specified. Selection criteria are based on the following factors:

Product Status & Availability: The THS4150CD maintains active product status with Texas Instruments, ensuring continued availability and support. The substitute part offers significantly higher inventory levels (1725 units versus 689 units), reducing supply chain risk for ongoing production.

Compliance & Certification: Both parts maintain identical RoHS3 compliance and REACH unaffected status, meeting regulatory requirements for electronic component procurement. Moisture sensitivity level remains at MSL 1 (Unlimited), indicating no special handling requirements during storage or assembly.

Electrical & Mechanical Compatibility: All electrical parameters, including gain bandwidth product, slew rate, input characteristics, and supply requirements, are identical between the main part and substitute. The 8-SOIC package dimensions and surface mount configuration ensure direct PCB compatibility without layout modifications.

Design Continuity: No circuit redesign, PCB layout changes, or application firmware modifications are required when substituting THS4150CD for THS4150CDG4. The parts are pin-compatible and functionally equivalent across all specified operating conditions.

Frequently Asked Questions (FAQ)

Q: Can THS4150CD be used as a direct replacement for THS4150CDG4 without PCB modifications?

A: Yes. Both parts use identical 8-SOIC packaging with matching pin configurations, electrical specifications, and operating characteristics. No PCB layout changes are required.

Q: Are there differences in electrical performance between THS4150CDG4 and THS4150CD?

A: No. Both parts have identical specifications for gain bandwidth product (340 MHz), slew rate (650 V/µs), input bias current (4.3 µA), input offset voltage (1.1 mV), and all other electrical parameters listed in the parameter comparison table.

Q: What is the difference between THS4150CDG4 and THS4150CD?

A: The primary difference is product status. THS4150CDG4 is discontinued at DiGi Electronics, while THS4150CD maintains active status. Both parts are manufactured by Texas Instruments and meet identical electrical, mechanical, and compliance specifications.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both THS4150CDG4 and THS4150CD are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity level (MSL 1 - Unlimited) ratings.

Q: What is the supply voltage range for these differential amplifiers?

A: Both parts operate with a supply voltage span of 4 V minimum to 33 V maximum, with a typical supply current of 17.5 mA.

Q: Are there any temperature range limitations for these parts?

A: Both parts are rated for operation across the 0°C to 70°C temperature range. Applications requiring extended temperature operation require alternative part selection.

Q: What packaging options are available for THS4150 differential amplifiers?

A: The THS4150CDG4 and THS4150CD are supplied in 8-SOIC surface mount packages with 0.154" width (3.90 mm). This is the standard package configuration for this product line.