HA4600CBZ Equivalent & Substitute Parts

Part Overview

The HA4600CBZ is a video amplifier buffer integrated circuit manufactured by Renesas Electronics Corporation, designed for high-speed signal buffering applications. This device is classified as a linear amplifier in the 8-SOIC package format and is currently listed as obsolete. The HA4600CBZ operates with a -3dB bandwidth of 480 MHz and delivers a slew rate of 1770V/µs, making it suitable for video and RF buffer applications requiring moderate to high-speed performance.

Due to its obsolete product status, locating replacement units from original inventory becomes increasingly difficult. Identifying equivalent substitute parts with compatible electrical and mechanical specifications ensures design continuity and maintains system performance in applications where the HA4600CBZ was originally specified.

Substiute Parts

HA4600CBZ

Renesas Electronics CorporationIn Stock: 1548HA4600CBZ Datasheet

Current PartRFQ

OPA693IDBVT

Texas InstrumentsIn Stock: 1258OPA693IDBVT Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HA4600CBZ is determined by functional equivalence in the buffer amplifier category combined with compatibility across critical electrical and mechanical parameters. The primary substitute identified is the OPA693IDBVT manufactured by Texas Instruments.

The substitution logic is based on the following criteria:

Functional Compatibility: Both devices operate as single-channel video amplifier buffers designed for high-speed signal conditioning applications.

Electrical Performance: The substitute part must maintain or exceed the bandwidth and slew rate specifications of the original device. The OPA693IDBVT provides superior electrical performance with a -3dB bandwidth of 1.4 GHz and slew rate of 2500V/µs, both exceeding the HA4600CBZ specifications.

Supply Voltage Range: The substitute must operate within compatible supply voltage ranges. The OPA693IDBVT supports both single supply (5V ~ 12V) and dual supply (±2.5V ~ 6V) configurations, providing broader flexibility than the HA4600CBZ dual supply range of ±4.5V ~ 5.5V.

Output Current Capability: The OPA693IDBVT delivers 120 mA output current per channel, significantly exceeding the HA4600CBZ specification of 20 mA, ensuring adequate drive capability for downstream circuitry.

Mounting and Packaging: Both devices are surface-mount components. The HA4600CBZ uses 8-SOIC packaging while the OPA693IDBVT uses SOT-23-6 packaging. Package differences require PCB layout modifications but do not prevent functional substitution.

Regulatory Compliance: Both devices maintain ROHS3 compliance and REACH unaffected status, ensuring environmental and regulatory compatibility.

Parameter Comparison

Engineering Selection Recommendations

For Active Production and New Designs: The OPA693IDBVT is the appropriate selection. This device carries active product status from Texas Instruments, ensuring long-term availability and supply chain reliability. The part is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. Superior electrical performance characteristics provide design margin for bandwidth and slew rate specifications.

For Obsolete Equipment Repair and Legacy System Support: The OPA693IDBVT serves as a functional replacement for the HA4600CBZ in maintenance and repair applications. The enhanced electrical specifications ensure performance equivalence or improvement over the original design. PCB layout modifications are required due to package differences between 8-SOIC and SOT-23-6 formats.

Supply Chain Considerations: The HA4600CBZ is listed as obsolete with limited inventory availability. The OPA693IDBVT is actively manufactured and maintained in production inventory, providing reliable long-term sourcing for both immediate and future requirements.

Compliance and Certification: Both devices maintain identical regulatory compliance status (ROHS3 compliant, REACH unaffected, EAR99 ECCN classification). No additional compliance verification is required when substituting the OPA693IDBVT for the HA4600CBZ.

Frequently Asked Questions (FAQ)

Q: Can the OPA693IDBVT directly replace the HA4600CBZ without circuit modifications?

A: The OPA693IDBVT provides functional equivalence as a video amplifier buffer with superior electrical performance. However, the different package formats (8-SOIC versus SOT-23-6) require PCB layout modifications. Pin configuration differences necessitate schematic review to ensure proper signal routing and power supply connections.

Q: What are the key electrical advantages of the OPA693IDBVT over the HA4600CBZ?

A: The OPA693IDBVT delivers three times the bandwidth (1.4 GHz versus 480 MHz), 41% higher slew rate (2500V/µs versus 1770V/µs), and six times the output current capability (120 mA versus 20 mA). These enhanced specifications provide improved signal fidelity and increased drive capability for downstream circuitry.

Q: Are there supply voltage compatibility issues when substituting the OPA693IDBVT?

A: The OPA693IDBVT supports a broader supply voltage range than the HA4600CBZ. The original device operates at ±4.5V ~ 5.5V dual supply. The substitute accepts 5V ~ 12V single supply or ±2.5V ~ 6V dual supply configurations. Existing ±5V supply designs are fully compatible with the OPA693IDBVT.

Q: What packaging considerations apply to this substitution?

A: The HA4600CBZ uses 8-SOIC packaging (0.154" width, 3.90mm) while the OPA693IDBVT uses SOT-23-6 packaging. These are different footprints requiring new PCB layout. The SOT-23-6 package is smaller, potentially reducing board space requirements. Pin count differs (8 pins versus 6 pins), necessitating careful schematic cross-reference during design conversion.

Q: Is the OPA693IDBVT suitable for video amplifier applications originally designed for the HA4600CBZ?

A: Yes. Both devices are classified as video amplifier buffers with single-channel configurations. The OPA693IDBVT's superior bandwidth and slew rate specifications exceed the performance envelope of the original HA4600CBZ, making it suitable for video signal conditioning, RF buffering, and high-speed signal distribution applications.

Q: What is the moisture sensitivity difference between these devices?

A: The HA4600CBZ carries MSL 1 (unlimited moisture sensitivity level), indicating no moisture-related storage restrictions. The OPA693IDBVT carries MSL 2 (1 year), requiring controlled storage conditions and bake-out procedures if storage exceeds one year. Standard moisture control practices in electronics manufacturing address this requirement.

Q: Are there any regulatory or compliance barriers to substituting the OPA693IDBVT?

A: No. Both devices maintain identical regulatory compliance: ROHS3 compliant, REACH unaffected, and EAR99 ECCN classification. No additional compliance documentation or verification is required for this substitution.