CS3004-FSZ Equivalent & Substitute Parts

Part Overview

The CS3004-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, which necessitates identification of active equivalent and substitute components for new designs and production continuity. The CS3004-FSZ provides rail-to-rail output capability with a supply voltage range of 2.7 V to 5 V and operates across the industrial temperature range of -40°C to 125°C. Due to its obsolete status, equivalent active alternatives are required for ongoing component sourcing and design implementation.

Substiute Parts

CS3004-FSZ

Cirrus Logic Inc.In Stock: 950CS3004-FSZ Datasheet

Current PartRFQ

AD8629ARZ-REEL7

Analog Devices Inc.In Stock: 28886AD8629ARZ-REEL7 Datasheet

MFR RecommendedRFQ

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 CS3004-FSZ is determined by strict adherence to the following electrical and mechanical parameters:

Critical Compatibility Parameters:

• Number of Circuits: 2 (dual configuration required)
• Output Type: Rail-to-Rail (mandatory for pin-compatible replacement)
• Package / Case: 8-SOIC (0.154", 3.90mm Width) (physical and electrical pin compatibility)
• Mounting Type: Surface Mount (PCB assembly compatibility)
• Operating Temperature Range: -40°C ~ 125°C (environmental specification match)
• Voltage - Supply Span: Minimum 2.7 V, Maximum 5 V (power supply compatibility)

Substitution Logic: All identified substitute parts maintain the dual-circuit configuration in 8-SOIC packaging with rail-to-rail output capability. Each substitute operates within the specified supply voltage range and temperature range. Substitutes are grouped by amplifier type (Zero-Drift, CMOS, and Automotive-grade CMOS), with performance characteristics that meet or exceed the original specification. Packaging variants (Cut Tape, Tube, Digi-Reel) represent the same electrical component in different distribution formats.

Parameter Comparison

Engineering Selection Recommendations

AD8629ARZ-REEL7 (Analog Devices Inc.) This zero-drift amplifier is an active product with enhanced input offset voltage performance (1 µV) and reduced input bias current (30 pA) compared to the CS3004-FSZ. The AD8629ARZ-REEL7 maintains identical supply voltage range compatibility (2.7 V to 5 V) and operating temperature specifications. This substitute is suitable for applications requiring improved DC precision and low-drift characteristics. The device is supplied in Cut Tape and Digi-Reel packaging formats with high inventory availability (28,780 pcs).

OPA2314AQDRQ1 (Texas Instruments) This automotive-grade CMOS amplifier is qualified to AEC-Q100 standards and carries active product status. The OPA2314AQDRQ1 features extended supply voltage range (1.8 V to 5.5 V) and superior slew rate performance (1.5 V/µs). This substitute is appropriate for automotive applications and designs requiring lower supply voltage operation. The device operates across the specified temperature range and provides 20 mA output current per channel.

OPA2316ID and OPA2316IDR (Texas Instruments) Both OPA2316 variants are active CMOS amplifiers with identical electrical specifications. The OPA2316ID is supplied in Tube packaging (2,304 pcs inventory), while the OPA2316IDR is supplied in Cut Tape and Digi-Reel format (20,695 pcs inventory). These substitutes offer the highest slew rate performance (6 V/µs) and gain bandwidth product (10 MHz) among all alternatives. Extended supply voltage range (1.8 V to 5.5 V) enables operation in lower-voltage applications. Both variants are RoHS3 compliant and suitable for general-purpose amplifier applications requiring enhanced dynamic performance.

Frequently Asked Questions (FAQ)

Q: Can the CS3004-FSZ be directly replaced with any of these substitute parts? A: All substitute parts maintain the same 8-SOIC package configuration, dual-circuit topology, and rail-to-rail output capability. Direct pin-compatible replacement is supported for all identified substitutes. However, circuit performance characteristics differ; verify that the substitute's electrical parameters (slew rate, input bias current, input offset voltage) are acceptable for the specific application.

Q: What is the primary reason for substitution? A: The CS3004-FSZ is classified as obsolete. The identified substitute parts are all active products with ongoing manufacturer support and availability, ensuring long-term component sourcing for production and design continuity.

Q: Are there supply voltage compatibility concerns? A: The CS3004-FSZ operates from 2.7 V to 5 V. All substitute parts support this voltage range. The OPA2314AQDRQ1, OPA2316ID, and OPA2316IDR extend the minimum supply voltage to 1.8 V, enabling operation in lower-voltage applications. Designs operating at the original 2.7 V to 5 V range are fully compatible with all substitutes.

Q: Which substitute offers the best input offset voltage performance? A: The AD8629ARZ-REEL7 provides the lowest input offset voltage at 1 µV, compared to 2 µV for the CS3004-FSZ. The OPA2314AQDRQ1, OPA2316ID, and OPA2316IDR specify 500 µV input offset voltage. Selection depends on application precision requirements.

Q: What is the difference between OPA2316ID and OPA2316IDR? A: Both parts are electrically identical CMOS amplifiers with the same performance specifications. The primary difference is packaging format: OPA2316ID is supplied in Tube packaging, while OPA2316IDR is supplied in Cut Tape and Digi-Reel format. Selection is based on assembly process requirements and inventory availability.

Q: Is the OPA2314AQDRQ1 suitable for non-automotive applications? A: The OPA2314AQDRQ1 is automotive-qualified (AEC-Q100) but can be used in non-automotive applications. Its automotive qualification indicates enhanced reliability and quality assurance. The device is appropriate for any application requiring the specified electrical performance and operating conditions.

Q: How do slew rate differences affect circuit design? A: The CS3004-FSZ specifies 0.25 V/µs slew rate. All substitutes provide equal or superior slew rate performance (1 V/µs to 6 V/µs). Higher slew rates enable faster signal transitions and improved frequency response. Existing circuit designs will function with substitute parts; enhanced slew rate performance may improve dynamic response characteristics.

Q: Are all substitutes RoHS compliant? A: The OPA2316ID and OPA2316IDR are explicitly RoHS3 compliant. The AD8629ARZ-REEL7 and OPA2314AQDRQ1 have REACH Unaffected status. All parts are suitable for applications requiring environmental compliance.

Q: What inventory levels are available for each substitute? A: AD8629ARZ-REEL7: 28,780 pcs; OPA2314AQDRQ1: 35,200 pcs; OPA2316ID: 2,304 pcs; OPA2316IDR: 20,695 pcs. High inventory availability supports immediate procurement for all substitutes.