CS3014-FSZ Equivalent & Substitute Parts Reference

Part Overview

The CS3014-FSZ is a general purpose operational amplifier manufactured by Cirrus Logic Inc., featuring dual circuits in an 8-SOIC surface mount package. This device is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and production continuity. The CS3014-FSZ provides rail-to-rail output capability with a supply voltage range of 2.7V to 5V, suitable for low-power analog signal processing applications.

Substiute Parts

CS3014-FSZ

Cirrus Logic Inc.In Stock: 1197CS3014-FSZ Datasheet

Current PartRFQ

OPA2314AQDRQ1

Texas InstrumentsIn Stock: 35252OPA2314AQDRQ1 Datasheet

MFR RecommendedRFQ

OPA2316ID

Texas InstrumentsIn Stock: 2314OPA2316ID Datasheet

MFR RecommendedRFQ

OPA2316IDR

Texas InstrumentsIn Stock: 20763OPA2316IDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CS3014-FSZ is determined by the following critical parameters:

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure direct PCB footprint compatibility.

Functional Requirements: Substitute parts must provide dual-circuit (2 circuits) operational amplifier functionality with rail-to-rail output capability.

Electrical Operating Range: Substitute parts must support the operating temperature range of -40°C to 125°C. The supply voltage range of substitute parts must encompass or exceed the original 2.7V to 5V specification.

Circuit Configuration: All identified substitutes are dual-channel CMOS amplifiers in 8-SOIC packaging, meeting the core functional and physical requirements for direct replacement.

The OPA2314AQDRQ1, OPA2316ID, and OPA2316IDR are all active products from Texas Instruments that satisfy these substitution criteria. These parts maintain identical package geometry and pinout compatibility while offering enhanced electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

OPA2314AQDRQ1 Selection Criteria:

The OPA2314AQDRQ1 is qualified to AEC-Q100 automotive standards and carries automotive grade designation. This part is appropriate for applications requiring automotive-grade reliability and traceability. The OPA2314AQDRQ1 operates with the lowest supply current (150 µA per dual channels) among the substitute options, making it suitable for power-constrained applications. The minimum supply voltage of 1.8V extends operational capability below the original CS3014-FSZ specification.

OPA2316ID and OPA2316IDR Selection Criteria:

Both OPA2316ID and OPA2316IDR are functionally identical, differing only in packaging format (Tube versus Cut Tape & Digi-Reel). These parts offer the highest slew rate (6 V/µs) and gain bandwidth product (10 MHz) among the substitutes, providing superior dynamic performance. Both are RoHS3 compliant and carry MSL 2 (1 Year) moisture sensitivity rating. The OPA2316ID is supplied in Tube packaging, while OPA2316IDR is supplied in Cut Tape and Digi-Reel format for automated assembly operations.

Product Status Consideration:

All three substitute parts maintain active product status with established supply chains. The CS3014-FSZ obsolete status necessitates transition to one of these active alternatives for continued design support and component availability.

Frequently Asked Questions (FAQ)

Q: Can the OPA2314AQDRQ1, OPA2316ID, or OPA2316IDR be used as direct replacements for the CS3014-FSZ?

A: Yes. All three substitute parts share identical package geometry (8-SOIC), pinout configuration, dual-circuit topology, and rail-to-rail output capability. The operating temperature range (-40°C to 125°C) is identical. The supply voltage range of the substitutes (1.8V to 5.5V) encompasses the original specification (2.7V to 5V). Direct PCB footprint compatibility is maintained.

Q: What are the key electrical differences between the CS3014-FSZ and the substitute parts?

A: The substitute parts exhibit lower input bias current (2-5 pA versus 170 pA), higher slew rate (1.5-6 V/µs versus 0.25 V/µs), and reduced supply current (150-400 µA versus 1 mA). Input offset voltage is higher in the substitutes (500 µV versus 10 µV). These differences reflect advances in CMOS amplifier technology and do not prevent functional substitution in most applications.

Q: Which substitute part should be selected for automotive applications?

A: The OPA2314AQDRQ1 carries AEC-Q100 automotive qualification and automotive grade designation, making it the appropriate choice for automotive applications requiring formal qualification documentation.

Q: What is the difference between OPA2316ID and OPA2316IDR?

A: The OPA2316ID is supplied in Tube packaging, while the OPA2316IDR is supplied in Cut Tape and Digi-Reel format. Both parts are electrically and functionally identical. The packaging format selection depends on assembly process requirements and component handling procedures.

Q: Are there any compliance or regulatory differences between the substitute parts?

A: The OPA2316ID and OPA2316IDR are RoHS3 compliant. All three substitutes are REACH unaffected and carry EAR99 ECCN classification. The OPA2314AQDRQ1 does not specify RoHS status but maintains REACH unaffected and EAR99 classifications identical to the original part.

Q: Can the CS3014-FSZ be used interchangeably with these substitutes in existing designs?

A: The CS3014-FSZ is obsolete and no longer in production. New designs must transition to one of the active substitute parts. Existing designs using the CS3014-FSZ may continue operation with remaining inventory, but long-term production continuity requires adoption of an active substitute part.