REF3230AIDBVT Equivalent & Substitute Parts

Part Overview

The REF3230AIDBVT is a Series Voltage Reference IC from Texas Instruments, providing a fixed 3V output with ±0.2% tolerance in a SOT-23-6 surface mount package. This part is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Finding equivalent or substitute parts is necessary for ongoing production support, legacy system maintenance, and design optimization where improved performance specifications are beneficial.

Substiute Parts

REF3230AIDBVT

Texas InstrumentsIn Stock: 1414REF3230AIDBVT Datasheet

Current PartRFQ

REF3430IDBVR

Texas InstrumentsIn Stock: 1801REF3430IDBVR Datasheet

MFR RecommendedRFQ

REF3230AIDBVR

Texas InstrumentsIn Stock: 17354REF3230AIDBVR Datasheet

Parametric EquivalentRFQ

ADR3430ARJZ-R2

Analog Devices Inc.In Stock: 1428ADR3430ARJZ-R2 Datasheet

MFR RecommendedRFQ

ADR3430ARJZ-R7

Analog Devices Inc.In Stock: 4743ADR3430ARJZ-R7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the REF3230AIDBVT is determined by the following critical parameters: fixed output voltage of 3V, output current capability of 10 mA, SOT-23-6 package compatibility, and operating temperature range of -40°C to 125°C. All identified substitutes maintain these core electrical and mechanical specifications, ensuring direct functional replacement without circuit redesign.

The substitute parts are grouped into two categories:

Parametric Equivalent: REF3230AIDBVR maintains identical electrical specifications to the REF3230AIDBVT, differing only in packaging format (Digi-Reel versus Cut Tape).

Enhanced Performance Substitutes: REF3430IDBVR, ADR3430ARJZ-R2, and ADR3430ARJZ-R7 provide improved tolerance, temperature coefficient, and noise performance while maintaining the same 3V output, 10 mA current, SOT-23-6 package, and operating temperature range.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Legacy Support): REF3230AIDBVR is the parametric equivalent, maintaining identical electrical performance and specifications. This part is suitable for applications requiring exact specification matching in existing designs.

For Active Product Line Integration: REF3430IDBVR is the manufacturer-recommended substitute from Texas Instruments, offering superior tolerance (±0.05% versus ±0.2%), reduced temperature coefficient (6 ppm/°C versus 20 ppm/°C), and lower noise performance. This part carries Active product status and is suitable for new designs.

For Cross-Manufacturer Alternatives: ADR3430ARJZ-R2 and ADR3430ARJZ-R7 from Analog Devices Inc. provide Active product status with improved tolerance (±0.1%) and temperature coefficient (8 ppm/°C) compared to the original part. Both variants feature MSL Rating 1 (Unlimited moisture sensitivity), providing superior handling and storage characteristics. ADR3430ARJZ-R7 offers higher inventory availability (4670 pcs) compared to ADR3430ARJZ-R2 (1350 pcs).

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and identical SOT-23-6 package specifications, ensuring direct PCB compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can REF3230AIDBVR be used as a direct replacement for REF3230AIDBVT?

A: Yes. REF3230AIDBVR is a parametric equivalent with identical electrical specifications. The difference is packaging format: REF3230AIDBVT is supplied in Cut Tape, while REF3230AIDBVR is supplied in Digi-Reel format. Both are classified as Not For New Designs.

Q: What are the advantages of REF3430IDBVR over the original REF3230AIDBVT?

A: REF3430IDBVR provides improved tolerance (±0.05% versus ±0.2%), lower temperature coefficient (6 ppm/°C versus 20 ppm/°C), reduced noise levels, and lower supply current (95 µA versus 135 µA). REF3430IDBVR carries Active product status, making it suitable for new designs.

Q: Are the Analog Devices ADR3430ARJZ variants compatible with the REF3230AIDBVT?

A: Yes. Both ADR3430ARJZ-R2 and ADR3430ARJZ-R7 maintain the same 3V output, 10 mA current capability, SOT-23-6 package, and -40°C to 125°C operating temperature range. They offer improved tolerance (±0.1%) and temperature coefficient (8 ppm/°C) with Active product status.

Q: What is the difference between ADR3430ARJZ-R2 and ADR3430ARJZ-R7?

A: Both parts are electrically identical with the same specifications and performance characteristics. The primary difference is inventory availability: ADR3430ARJZ-R7 has 4670 pcs in stock versus 1350 pcs for ADR3430ARJZ-R2.

Q: Does the input voltage range affect substitution compatibility?

A: Input voltage range must be verified against circuit design requirements. REF3230AIDBVT and REF3230AIDBVR operate from 3.05V to 5.5V. REF3430IDBVR extends to 12V maximum input. ADR3430ARJZ variants operate from 3.2V to 5.5V. Ensure the substitute part's input range accommodates your power supply specifications.

Q: Are all substitute parts RoHS and REACH compliant?

A: Yes. All parts listed are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for electronic component manufacturing and distribution.

Q: What is the significance of MSL rating differences?

A: REF3230AIDBVT, REF3230AIDBVR, and REF3430IDBVR have MSL Rating 2 (1 Year), requiring controlled moisture exposure during storage and handling. ADR3430ARJZ-R2 and ADR3430ARJZ-R7 have MSL Rating 1 (Unlimited), allowing indefinite storage without moisture control measures, reducing handling complexity and cost.