SA5534AP Equivalent & Substitute Parts Reference

Part Overview

The SA5534AP is a general-purpose operational amplifier manufactured by Texas Instruments in 8-PDIP through-hole packaging. This device is classified as Last Time Buy, indicating discontinued production with limited inventory availability. The SA5534AP serves applications requiring general-purpose amplification with moderate bandwidth and slew rate specifications. Due to its Last Time Buy status, identification of functionally equivalent substitute components is necessary for design continuity and long-term supply chain planning.

Substiute Parts

SA5534AP

Texas InstrumentsIn Stock: 7253SA5534AP Datasheet

Current PartRFQ

OPA134PA

Texas InstrumentsIn Stock: 1530OPA134PA Datasheet

MFR RecommendedRFQ

SA5534AP

Texas InstrumentsIn Stock: 7253SA5534AP Datasheet

MFR RecommendedRFQ

OP16GN8#PBF

Analog Devices Inc.In Stock: 1244OP16GN8#PBF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SA5534AP is determined by strict alignment of electrical and mechanical parameters within the operational amplifier category. The following criteria establish valid substitute relationships:

Primary Substitution Criteria:

• Package / Case: 8-DIP (0.300", 7.62mm) — identical physical footprint required
• Mounting Type: Through Hole — PCB assembly compatibility
• Number of Circuits: 1 — single amplifier per package
• Voltage - Supply Span: minimum 10 V to maximum 30 V overlap required
• Operating Temperature: -40°C to 85°C minimum coverage required
• RoHS Status: ROHS3 Compliant — regulatory compliance alignment

Secondary Electrical Parameters:

• Slew Rate: 13 V/µs or greater acceptable
• Gain Bandwidth Product: 10 MHz or greater acceptable
• Current - Input Bias: 500 nA or lower acceptable
• Voltage - Input Offset: 500 µV or lower acceptable
• Current - Supply: 4 mA or lower acceptable
• Current - Output / Channel: 38 mA or greater acceptable

Substitute parts must satisfy all primary criteria and maintain electrical performance within or superior to the SA5534AP specifications.

Parameter Comparison

Engineering Selection Recommendations

OPA134PA (Texas Instruments) — Primary Substitute

The OPA134PA is the recommended substitute for SA5534AP applications. This device maintains Active product status, ensuring long-term availability and manufacturer support. The OPA134PA meets all primary substitution criteria: identical 8-DIP package, through-hole mounting, single circuit configuration, and ROHS3 compliance. Electrical performance exceeds SA5534AP specifications across slew rate (20 V/µs vs. 13 V/µs) and input bias current (5 pA vs. 500 nA). Supply voltage range (5 V to 36 V) encompasses the SA5534AP operating window (10 V to 30 V). Operating temperature range (-40°C to 85°C) matches the original device. The OPA134PA is classified as an audio amplifier, indicating optimized performance for low-distortion applications while maintaining general-purpose amplifier functionality.

OP16GN8#PBF (Analog Devices Inc.) — Secondary Substitute

The OP16GN8#PBF is a J-FET amplifier available as a secondary substitute option. This device satisfies primary substitution criteria: 8-DIP package, through-hole mounting, single circuit, and ROHS3 compliance. However, the OP16GN8#PBF carries Last Time Buy status, similar to the SA5534AP, limiting its suitability for long-term supply chain planning. Operating temperature range (0°C to 70°C) does not extend to the full -40°C lower limit of the SA5534AP, restricting use in extended temperature applications. Minimum supply voltage requirement (20 V) exceeds the SA5534AP minimum (10 V), narrowing compatible power supply configurations. Slew rate (16 V/µs) and input bias current (60 pA) provide acceptable performance margins.

Recommendation Priority:

1. OPA134PA for new designs and long-term production
2. OP16GN8#PBF only when OPA134PA is unavailable and temperature/supply constraints are acceptable

Frequently Asked Questions (FAQ)

Q: Can OPA134PA directly replace SA5534AP in existing PCB designs?

A: Yes. Both devices use identical 8-DIP (0.300", 7.62mm) through-hole packaging with standard pinout compatibility for single-circuit operational amplifiers. No PCB layout modifications are required. Pin-for-pin substitution is valid.

Q: What are the key electrical differences between SA5534AP and OPA134PA?

A: OPA134PA provides superior slew rate (20 V/µs vs. 13 V/µs) and significantly lower input bias current (5 pA vs. 500 nA). Gain bandwidth product is slightly lower (8 MHz vs. 10 MHz). Supply voltage range is broader (5 V to 36 V vs. 10 V to 30 V). These differences favor OPA134PA in low-noise and high-impedance input applications.

Q: Why is OP16GN8#PBF listed as a substitute if it has Last Time Buy status?

A: OP16GN8#PBF is included as a documented substitute based on package compatibility and electrical parameter alignment. However, its Last Time Buy status makes it unsuitable for new designs. It is listed for reference only in legacy system maintenance scenarios.

Q: Does operating temperature range affect substitution validity?

A: Yes. OP16GN8#PBF operating range (0°C to 70°C) does not cover the SA5534AP lower limit (-40°C). Applications requiring -40°C operation must use OPA134PA. SA5534AP and OPA134PA both support -40°C to 85°C operation.

Q: Are there supply voltage constraints when substituting?

A: OPA134PA operates across 5 V to 36 V, fully encompassing SA5534AP range (10 V to 30 V). OP16GN8#PBF minimum supply (20 V) exceeds SA5534AP minimum (10 V), restricting use in low-voltage circuits. Verify circuit supply voltage compatibility before selecting OP16GN8#PBF.

Q: What is the significance of input bias current differences?

A: SA5534AP input bias current (500 nA) is substantially higher than OPA134PA (5 pA). In high-impedance input circuits, SA5534AP generates greater input offset voltage drift. OPA134PA is superior for precision instrumentation and transimpedance amplifier applications.

Q: Is RoHS compliance maintained across all substitutes?

A: Yes. SA5534AP, OPA134PA, and OP16GN8#PBF are all ROHS3 compliant. Regulatory compliance is maintained across all substitute options.