THS4151CDGNR Equivalent & Substitute Parts

Part Overview

The THS4151CDGNR 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-HVSSOP surface mount package with an exposed pad for enhanced thermal performance.

The THS4151CDGNR is classified as obsolete. Locating equivalent substitute parts is necessary to support ongoing production requirements, field repairs, and system maintenance where this component is specified in existing designs.

Substiute Parts

THS4151CDGNR

Texas InstrumentsIn Stock: 3108THS4151CDGNR Datasheet

Current PartRFQ

THS4150CDGNR

Texas InstrumentsIn Stock: 2850THS4150CDGNR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the THS4151CDGNR are identified based on electrical and mechanical parameter equivalence. The following criteria determine substitution eligibility:

Electrical Parameters (Must Match):

• Amplifier Type: Differential
• Number of Circuits: 1
• Output Type: Differential
• Slew Rate: 650 V/µs
• Gain Bandwidth Product: 340 MHz
• -3dB Bandwidth: 150 MHz
• Current - Input Bias: 4.3 µA
• Voltage - Input Offset: 1.1 mV
• Current - Supply: 17.5 mA
• Current - Output / Channel: 85 mA
• Voltage - Supply Span: 4 V to 33 V
• Operating Temperature Range: 0°C to 70°C

Mechanical Parameters (Must Match):

• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
• Mounting Type: Surface Mount

Compliance Parameters (Must Match):

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

Parameter Comparison

Engineering Selection Recommendations

The THS4150CDGNR is a direct parametric equivalent to the obsolete THS4151CDGNR. Both devices are manufactured by Texas Instruments and share identical electrical specifications, mechanical packaging, and compliance certifications.

The primary distinction between these parts is product status: the THS4151CDGNR is obsolete, while the THS4150CDGNR is active and currently in production. The THS4150CDGNR is available in Tape & Reel packaging, which is standard for production environments.

Both parts meet ROHS3 compliance requirements and carry REACH Unaffected status, making them suitable for applications subject to environmental and regulatory restrictions. The identical electrical performance, package geometry, and thermal characteristics ensure functional interchangeability in circuit designs originally specified for the THS4151CDGNR.

Frequently Asked Questions (FAQ)

Q: Can the THS4150CDGNR be used as a direct replacement for the THS4151CDGNR?

A: Yes. The THS4150CDGNR is a parametric equivalent with identical electrical specifications, package dimensions, and pin configuration. No circuit modifications are required for substitution.

Q: What is the primary reason for substituting the THS4151CDGNR?

A: The THS4151CDGNR is classified as obsolete. The THS4150CDGNR is the active production equivalent from Texas Instruments, ensuring long-term availability and supply chain continuity.

Q: Are the package specifications identical between these parts?

A: Yes. Both the THS4151CDGNR and THS4150CDGNR use the 8-TSSOP, 8-MSOP package with 0.118" width, 3.00mm body width, and exposed pad. They are mechanically and electrically interchangeable at the PCB level.

Q: Do both parts meet the same compliance standards?

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

Q: What is the difference in packaging format between these parts?

A: The THS4151CDGNR was supplied in standard packaging, while the THS4150CDGNR is available in Tape & Reel (TR) format, which is the standard for high-volume production and automated assembly processes.

Q: Are the electrical performance characteristics identical?

A: Yes. Both parts have identical slew rate (650 V/µs), gain bandwidth product (340 MHz), -3dB bandwidth (150 MHz), input bias current (4.3 µA), input offset voltage (1.1 mV), supply current (17.5 mA), and output current per channel (85 mA). Operating temperature range and supply voltage specifications are also identical.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. The THS4150CDGNR is a direct functional and mechanical equivalent. Existing PCB layouts, schematics, and bill of materials can be updated to specify the THS4150CDGNR without design modifications.