THS3201DBVT Equivalent & Substitute Parts

Part Overview

The THS3201DBVT is a Current Feedback Amplifier manufactured by Texas Instruments, packaged in SOT-23-5 (SC-74A) surface mount configuration. This single-circuit operational amplifier is designed for high-speed signal processing applications requiring wide bandwidth and fast slew rate performance.

The THS3201DBVT carries a product status designation of "Not For New Designs," indicating that Texas Instruments has discontinued this component for new applications. This status necessitates identification of functionally equivalent substitute components to support ongoing maintenance, repair, and legacy system requirements.

Substiute Parts

THS3201DBVT

Texas InstrumentsIn Stock: 2126THS3201DBVT Datasheet

Current PartRFQ

THS3001IDGN

Texas InstrumentsIn Stock: 3156THS3001IDGN Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the THS3201DBVT is determined by the following critical parameters:

Functional Equivalence Criteria:

• Amplifier Type: Current Feedback topology
• Number of Circuits: Single circuit configuration
• Operating Temperature Range: -40°C to 85°C minimum
• RoHS3 Compliance and MSL Level 1 rating

Performance Compatibility Criteria:

• Slew Rate: Minimum 6500 V/µs (THS3201DBVT: 9800 V/µs)
• Bandwidth (-3dB): Minimum 420 MHz (THS3201DBVT: 1.8 GHz)
• Current - Output / Channel: Minimum 115 mA
• Supply Voltage Range: Must accommodate 6.6 V to 15 V operation

Mechanical Compatibility Criteria:

• Mounting Type: Surface Mount
• Pin Count and Functional Pin Assignment: Compatible with single-circuit CFA topology

The THS3001IDGN meets these substitution criteria as a Current Feedback Amplifier with equivalent functional topology, operating temperature range, and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Compliance and Regulatory Status: Both the THS3201DBVT and THS3001IDGN maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with current manufacturing and environmental standards.

Product Status Considerations: The THS3201DBVT is designated "Not For New Designs," indicating end-of-life status. The THS3001IDGN carries "Last Time Buy" status, indicating limited availability but continued support for existing applications. Selection between these components should be based on current inventory requirements and application-specific performance needs.

Performance Trade-offs: The THS3001IDGN exhibits lower slew rate (6500 V/µs versus 9800 V/µs) and reduced -3dB bandwidth (420 MHz versus 1.8 GHz). These differences may impact applications requiring maximum transient response speed or ultra-wideband signal processing. The THS3001IDGN provides improved input bias current characteristics (2 µA versus 14 µA) and lower supply current (6.6 mA versus 14 mA).

Package and Pinout Differences: The THS3201DBVT uses SOT-23-5 packaging, while the THS3001IDGN uses 8-HVSSOP packaging. PCB layout modifications and component footprint changes are required for substitution. Pin-to-pin functional equivalence must be verified against device datasheets prior to implementation.

Supply Voltage Range: The THS3001IDGN supports extended maximum supply voltage (33 V versus 15 V) and higher minimum supply voltage (9 V versus 6.6 V). Applications operating at the lower supply voltage boundary of the THS3201DBVT may require circuit redesign.

Frequently Asked Questions (FAQ)

Q: Can the THS3001IDGN directly replace the THS3201DBVT without PCB modifications?

A: No. The THS3201DBVT uses SOT-23-5 packaging with 5 pins, while the THS3001IDGN uses 8-HVSSOP packaging with 8 pins. PCB footprint redesign and component placement changes are required. Pin functional assignments must be verified against both device datasheets.

Q: What are the performance differences between these two amplifiers?

A: The THS3201DBVT provides higher slew rate (9800 V/µs) and wider bandwidth (1.8 GHz) compared to the THS3001IDGN (6500 V/µs and 420 MHz). The THS3001IDGN offers lower input bias current (2 µA versus 14 µA) and reduced supply current consumption (6.6 mA versus 14 mA). Application requirements determine which performance profile is acceptable.

Q: Are both parts compliant with current environmental and regulatory standards?

A: Yes. Both the THS3201DBVT and THS3001IDGN are ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity ratings. Both carry REACH Unaffected status and EAR99 export classification.

Q: What is the significance of the product status designations?

A: The THS3201DBVT is marked "Not For New Designs," indicating Texas Instruments has discontinued this component for new applications. The THS3001IDGN is marked "Last Time Buy," indicating limited remaining inventory availability. Both statuses indicate end-of-life or near end-of-life components. Long-term availability cannot be guaranteed for either part.

Q: What supply voltage considerations apply to substitution?

A: The THS3201DBVT operates from 6.6 V to 15 V. The THS3001IDGN operates from 9 V to 33 V. Applications requiring operation below 9 V supply voltage cannot use the THS3001IDGN as a substitute. Circuits designed for the THS3201DBVT's 6.6 V minimum may require redesign.

Q: How do the output current capabilities compare?

A: Both amplifiers provide similar output current capability: THS3201DBVT at 115 mA per channel and THS3001IDGN at 120 mA per channel. Output current performance is functionally equivalent for most applications.

Q: What packaging considerations affect substitution decisions?

A: The THS3201DBVT's compact SOT-23-5 package is suitable for space-constrained applications. The THS3001IDGN's 8-HVSSOP package is larger but provides additional pins for improved thermal management and functional flexibility. PCB layout and thermal design may require adjustment when substituting between these packages.