THS4151CDGNRG4 Equivalent & Substitute Parts

Part Overview

The THS4151CDGNRG4 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 THS4151CDGNRG4 is classified as an obsolete product. Locating equivalent substitute parts is necessary to support ongoing system maintenance, repair operations, and production continuity for legacy equipment utilizing this component. Active production alternatives with identical electrical and mechanical specifications are available to ensure seamless integration into existing designs.

Substiute Parts

THS4151CDGNRG4

Texas InstrumentsIn Stock: 959THS4151CDGNRG4 Datasheet

Current PartRFQ

THS4150CDGNR

Texas InstrumentsIn Stock: 2850THS4150CDGNR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the THS4151CDGNRG4 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: 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 Equivalence Parameters:

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

Compliance Equivalence Parameters:

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

Substitute parts must match all electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability without circuit redesign or board layout modification.

Parameter Comparison

Engineering Selection Recommendations

The THS4150CDGNR is a direct parametric equivalent to the THS4151CDGNRG4 and serves as the primary substitute part for this obsolete component.

Selection Basis:

All electrical parameters are identical across both devices, including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current capability, and supply voltage range. The operating temperature range is identical at 0°C to 70°C.

The mechanical specifications are identical. Both devices utilize the 8-HVSSOP package with exposed pad in 8-TSSOP/8-MSOP form factor with 0.118" (3.00mm) width, suitable for surface mount assembly on standard PCB layouts.

Compliance certifications are identical. Both parts are ROHS3 compliant, carry MSL Level 1 (Unlimited), and are REACH Unaffected, meeting current environmental and regulatory requirements.

The primary distinction is product status: the THS4151CDGNRG4 is obsolete, while the THS4150CDGNR is in active production. The THS4150CDGNR is supplied in standard Tape & Reel packaging, ensuring availability and supply chain continuity for new production and repair operations.

No circuit modifications, board layout changes, or firmware updates are required when substituting the THS4150CDGNR for the THS4151CDGNRG4.

Frequently Asked Questions (FAQ)

Q: Can the THS4150CDGNR be used as a direct replacement for the THS4151CDGNRG4?

A: Yes. The THS4150CDGNR is a direct parametric equivalent. All electrical specifications, mechanical dimensions, and compliance certifications are identical. No circuit redesign or board layout modification is required.

Q: What is the primary difference between these two parts?

A: The THS4151CDGNRG4 is classified as obsolete, while the THS4150CDGNR is in active production. The THS4150CDGNR is the recommended substitute for ongoing system support and new production applications.

Q: Are the package dimensions identical?

A: Yes. Both parts use the 8-HVSSOP package with exposed pad, measuring 0.118" (3.00mm) in width. The 8-TSSOP/8-MSOP form factor is identical, allowing direct PCB footprint compatibility.

Q: What is the difference in packaging format?

A: The THS4151CDGNRG4 packaging format is not specified in the available data. The THS4150CDGNR is supplied in Tape & Reel (TR) format, which is the standard packaging for active production components and ensures consistent availability.

Q: Are the supply voltage requirements the same?

A: Yes. Both parts operate across an identical supply voltage range of 4 V to 33 V, supporting the same power supply configurations.

Q: Do both parts have the same input bias current and input offset voltage specifications?

A: Yes. Both parts specify 4.3 µA input bias current and 1.1 mV input offset voltage, ensuring identical signal conditioning performance.

Q: Are there any compliance or environmental differences?

A: No. Both parts are ROHS3 compliant, carry MSL Level 1 (Unlimited), and are REACH Unaffected. They meet identical environmental and regulatory requirements.

Q: What is the slew rate and bandwidth of these devices?

A: Both parts feature a slew rate of 650 V/µs, gain bandwidth product of 340 MHz, and -3dB bandwidth of 150 MHz, providing identical high-speed performance characteristics.

Q: Can the THS4150CDGNR be used in legacy equipment designed for the THS4151CDGNRG4?

A: Yes. The electrical and mechanical specifications are identical, making the THS4150CDGNR suitable for repair and maintenance of legacy systems without requiring design modifications.

Q: What is the output current capability of these differential amplifiers?

A: Both parts provide 85 mA output current per channel, supporting identical load driving capability in differential output configurations.