THS4151CDRG4 Equivalent & Substitute Parts

Part Overview

The THS4151CDRG4 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 THS4151CDRG4 is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for systems utilizing this differential amplifier topology.

Substiute Parts

THS4151CDRG4

Texas InstrumentsIn Stock: 1096THS4151CDRG4 Datasheet

Current PartRFQ

THS4150CDR

Texas InstrumentsIn Stock: 3993THS4150CDR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the THS4151CDRG4 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 (Min): 4 V
• Voltage - Supply Span (Max): 33 V
• Operating Temperature: 0°C to 70°C

Mechanical Parameters (Must Match):

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount

Compliance Parameters:

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

Parameter Comparison

Engineering Selection Recommendations

The THS4150CDR is a direct parametric equivalent to the THS4151CDRG4. All electrical specifications, mechanical dimensions, and compliance certifications are identical. The primary distinction is product status: the THS4151CDRG4 is obsolete, while the THS4150CDR is active and currently manufactured by Texas Instruments.

The THS4150CDR is supplied in Tape & Reel (TR) packaging, whereas the THS4151CDRG4 was supplied in tube packaging. Both devices are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with standard manufacturing and storage protocols.

For new designs or production continuity, the THS4150CDR is the appropriate selection. The active product status ensures ongoing availability, technical support, and supply chain stability. Both parts are functionally interchangeable at the circuit level, with identical electrical performance across all specified parameters.

Frequently Asked Questions (FAQ)

Q: Can the THS4150CDR be used as a direct replacement for the THS4151CDRG4?

A: Yes. The THS4150CDR is electrically and mechanically equivalent to the THS4151CDRG4. All electrical parameters, including slew rate, gain bandwidth product, input bias current, and supply voltage specifications, are identical. Both devices use the 8-SOIC surface mount package with identical pin configurations and footprints.

Q: What is the primary reason for substitution?

A: The THS4151CDRG4 is classified as obsolete. The THS4150CDR is the active equivalent part, ensuring continued availability and manufacturing support from Texas Instruments.

Q: Are there packaging differences between these parts?

A: Yes. The THS4151CDRG4 was supplied in tube packaging, while the THS4150CDR is supplied in Tape & Reel (TR) format. Both packaging types are compatible with standard surface mount assembly processes. Tape & Reel packaging is standard for high-volume production environments.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the THS4151CDRG4 and THS4150CDR are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity ratings. Both are REACH unaffected and classified under ECCN EAR99.

Q: Are the pin configurations identical?

A: Yes. Both parts are housed in the 8-SOIC package with identical pin assignments and electrical characteristics. No circuit redesign or PCB layout modification is required for substitution.

Q: What is the operating temperature range for both devices?

A: Both devices operate across the temperature range of 0°C to 70°C, ensuring compatibility in standard industrial and commercial applications.

Q: Can inventory of the THS4151CDRG4 be used interchangeably with the THS4150CDR in production?

A: Yes. From an electrical and mechanical standpoint, the parts are fully interchangeable. Existing inventory of the THS4151CDRG4 can be used in applications designed for the THS4150CDR without circuit modification or performance degradation.