SA5534P Equivalent & Substitute Parts

Part Overview

The SA5534P is a general-purpose operational amplifier manufactured by Texas Instruments in 8-PDIP through-hole packaging. This device is classified as a Last Time Buy product, indicating discontinued production with limited remaining inventory. The SA5534P serves applications requiring general-purpose amplification with moderate bandwidth and slew rate characteristics. Identification of equivalent and substitute parts is necessary due to product discontinuation and to support long-term design flexibility and supply chain continuity.

Substiute Parts

SA5534P

Texas InstrumentsIn Stock: 1230SA5534P Datasheet

Current PartRFQ

OPA134PA

Texas InstrumentsIn Stock: 1530OPA134PA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SA5534P is determined by strict alignment of electrical and mechanical parameters within the operational amplifier category. The primary substitution candidate is the OPA134PA, also manufactured by Texas Instruments.

Substitution eligibility is based on the following criteria:

• Package Compatibility: Both devices use 8-DIP (0.300", 7.62mm) through-hole packaging, ensuring mechanical and pin-level compatibility.
• Pinout Alignment: Single-circuit operational amplifier configuration in identical 8-pin DIP format.
• Supply Voltage Range: The substitute must operate within or exceed the supply voltage requirements of the original part.
• Output Current Capability: The substitute must meet or exceed the output current specification.
• Input Bias Current and Offset Voltage: These parameters determine signal integrity and must be compatible with circuit design tolerances.
• Operating Temperature Range: The substitute must support the full operating temperature range of the original application.
• Compliance Status: RoHS3 compliance and REACH unaffected status must be maintained.

Parameter Comparison

Engineering Selection Recommendations

The OPA134PA is the manufacturer-recommended substitute for the SA5534P. Both devices maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for new designs and production environments.

The OPA134PA is classified as an Active product, providing assured long-term availability compared to the SA5534P Last Time Buy status. This substitution supports supply chain continuity and reduces obsolescence risk in production environments.

Mechanical compatibility is confirmed through identical 8-DIP through-hole packaging. Electrical parameters remain within acceptable ranges for general-purpose amplifier applications. The OPA134PA demonstrates improved input bias current performance (5 pA versus 500 nA) and higher slew rate (20 V/µs versus 13 V/µs), representing enhanced performance characteristics. Supply voltage range expansion (5 V to 36 V versus 10 V to 30 V) provides additional design flexibility.

Frequently Asked Questions (FAQ)

Q: Can the OPA134PA directly replace the SA5534P in existing designs?

A: Yes. Both devices use identical 8-DIP through-hole packaging with compatible pinouts. Electrical parameters are within acceptable substitution ranges for general-purpose amplifier applications. No PCB modifications are required.

Q: What are the key electrical differences between SA5534P and OPA134PA?

A: The OPA134PA offers superior input bias current (5 pA versus 500 nA), higher slew rate (20 V/µs versus 13 V/µs), and expanded minimum supply voltage (5 V versus 10 V). Input offset voltage and supply current remain identical. Output current is slightly lower (35 mA versus 38 mA).

Q: Why is the SA5534P classified as Last Time Buy?

A: Last Time Buy status indicates the manufacturer has discontinued production. Remaining inventory is limited. Transition to active substitute parts such as the OPA134PA is recommended for new designs and long-term production planning.

Q: Are there compliance or certification differences between these parts?

A: No. Both SA5534P and OPA134PA maintain ROHS3 compliance and REACH unaffected status. Regulatory requirements are equivalent.

Q: What is the minimum supply voltage requirement for each device?

A: SA5534P requires minimum 10 V supply voltage. OPA134PA operates at minimum 5 V supply voltage, providing greater flexibility in low-voltage applications.

Q: How do the slew rate specifications affect circuit performance?

A: Slew rate determines the maximum rate of output voltage change. OPA134PA slew rate of 20 V/µs exceeds SA5534P at 13 V/µs, enabling faster signal transitions and improved performance in high-frequency applications.

Q: Is the OPA134PA suitable for audio applications?

A: The OPA134PA is classified as an audio amplifier. The SA5534P is classified as general purpose. Both devices are suitable for audio signal processing within their specified electrical parameters.