MAX417CSA-T Equivalent & Substitute Parts Reference

Part Overview

The MAX417CSA-T is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring dual circuits in an 8-SOIC surface-mount package. This device is classified as obsolete, though 676 units remain in stock as new original inventory. The MAX417CSA-T operates as a rail-to-rail output amplifier suitable for low-power analog signal processing applications across industrial and consumer electronics.

Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity, long-term supply chain planning, and new product development. Active alternatives with comparable or enhanced electrical characteristics are available from Analog Devices and STMicroelectronics.

Substiute Parts

MAX417CSA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 752MAX417CSA-T Datasheet

Current PartRFQ

MAX417CSA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 2258MAX417CSA+T Datasheet

DirectRFQ

OP281GSZ

Analog Devices Inc.In Stock: 10068OP281GSZ Datasheet

MFR RecommendedRFQ

OP281GSZ-REEL7

Analog Devices Inc.In Stock: 1215OP281GSZ-REEL7 Datasheet

MFR RecommendedRFQ

TS462CDT

STMicroelectronicsIn Stock: 9409TS462CDT Datasheet

MFR RecommendedRFQ

TS972IDT

STMicroelectronicsIn Stock: 15627TS972IDT Datasheet

MFR RecommendedRFQ

TS972IST

STMicroelectronicsIn Stock: 25374TS972IST Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX417CSA-T is determined by strict alignment of electrical and mechanical parameters within the general-purpose amplifier category. The following criteria establish valid substitution relationships:

Primary Substitution Criteria:

• Dual-circuit (2 circuits) general-purpose operational amplifier architecture
• Rail-to-rail output configuration
• 8-pin surface-mount package (8-SOIC or compatible 8-pin variants)
• Supply voltage span compatibility (minimum 2.5 V, maximum ≥10 V)
• Operating temperature range that encompasses or exceeds 0°C to 70°C
• ROHS3 compliance and MSL 1 rating

Secondary Compatibility Parameters:

• Slew rate, gain bandwidth product, input bias current, and output current capacity
• Input offset voltage specifications
• Supply current consumption per channel

Substitute parts are grouped into two categories based on electrical performance alignment:

Category A - Direct Electrical Equivalents (Minimal Parameter Variance):

• MAX417CSA+T: Active product status variant with identical electrical specifications
• OP281GSZ and OP281GSZ-REEL7: Enhanced performance characteristics with superior input bias current and offset voltage; extended temperature range (-40°C to 85°C); reduced slew rate and gain bandwidth product

Category B - Functional Alternatives (Expanded Performance Envelope):

• TS462CDT: Higher slew rate (4 V/µs) and gain bandwidth product (12 MHz); increased supply current; narrower temperature range (-20°C to 70°C)
• TS972IDT and TS972IST: Automotive-grade alternatives with AEC-Q100 qualification; extended temperature range (-40°C to 125°C); higher slew rate and bandwidth; increased output current capacity (100 mA)

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

The MAX417CSA+T is the primary direct substitute for the MAX417CSA-T. Both devices share identical electrical specifications, supply voltage range, and operating temperature envelope. The MAX417CSA+T maintains active product status with significantly higher inventory availability (2200 units versus 676 units). This part is recommended for applications requiring no circuit redesign or re-qualification.

For Enhanced Performance with Extended Temperature Range:

The OP281GSZ and OP281GSZ-REEL7 (identical electrical specifications, different packaging) provide superior input bias current (3 nA versus 0.1 pA) and reduced input offset voltage (100 µV versus 1 mV). These devices extend the operating temperature range to -40°C to 85°C, supporting broader environmental applications. The trade-off is reduced slew rate (0.028 V/µs versus 0.08 V/µs) and lower gain bandwidth product (105 kHz versus 150 kHz). Selection depends on whether the application prioritizes input precision or signal bandwidth.

For High-Speed Applications:

The TS462CDT and TS972IDT/TS972IST offer significantly higher slew rate (4 V/µs) and gain bandwidth product (12 MHz), suitable for applications requiring faster signal processing. The TS972 series includes automotive-grade qualification (AEC-Q100) and extended temperature range (-40°C to 125°C), with output current capacity of 100 mA. The TS972IST uses an 8-TSSOP/8-MiniSO package instead of 8-SOIC, requiring PCB layout modification. The TS462CDT operates within a narrower temperature range (-20°C to 70°C) and is suitable for industrial applications not requiring automotive qualification.

Compliance and Regulatory Considerations:

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with modern manufacturing and environmental standards. The TS972 series carries AEC-Q100 automotive qualification, appropriate for automotive and mission-critical applications. Selection should align with end-application regulatory requirements.

Frequently Asked Questions (FAQ)

Q1: Can the MAX417CSA-T be directly replaced with MAX417CSA+T without circuit modification?

A: Yes. The MAX417CSA+T is electrically and mechanically identical to the MAX417CSA-T. Both devices feature the same 8-SOIC package, supply voltage range (2.5 V to 10 V), operating temperature (0°C to 70°C), and all electrical parameters. No circuit redesign is required. The MAX417CSA+T is recommended as the primary substitute due to its active product status and higher inventory.

Q2: What are the key differences between the OP281GSZ and the original MAX417CSA-T?

A: The OP281GSZ maintains the same package (8-SOIC) and supply voltage compatibility but offers improved input characteristics: input bias current of 3 nA (versus 0.1 pA) and input offset voltage of 100 µV (versus 1 mV). The operating temperature range extends to -40°C to 85°C. However, the slew rate is reduced to 0.028 V/µs (versus 0.08 V/µs) and gain bandwidth product to 105 kHz (versus 150 kHz). Applications requiring precision analog signal conditioning benefit from the OP281GSZ; applications requiring higher bandwidth should retain the MAX417CSA-T or select TS462/TS972 alternatives.

Q3: Why would I select the TS972 series over the MAX417CSA-T?

A: The TS972 series (TS972IDT in 8-SOIC or TS972IST in 8-MiniSO) is selected for applications requiring higher signal bandwidth (12 MHz gain bandwidth product versus 150 kHz), faster slew rate (4 V/µs versus 0.08 V/µs), and higher output current (100 mA versus 600 µA). The TS972 series also provides automotive-grade qualification (AEC-Q100) and extended temperature range (-40°C to 125°C), making it suitable for automotive, industrial, and harsh-environment applications. Trade-offs include higher supply current consumption (2 mA per channel versus 1 µA).

Q4: What is the difference between TS972IDT and TS972IST?

A: Both devices are electrically identical but differ in package and delivery format. The TS972IDT uses an 8-SOIC package (0.154", 3.90mm width) in cut-tape format, matching the original MAX417CSA-T footprint. The TS972IST uses an 8-TSSOP/8-MiniSO package (0.118", 3.00mm width) in tape-and-reel format. PCB layout modification is required when switching from TS972IDT to TS972IST due to the smaller package footprint. Select TS972IDT for direct footprint compatibility; select TS972IST for space-constrained designs.

Q5: Can I use TS462CDT in applications requiring extended temperature operation?

A: The TS462CDT operates within -20°C to 70°C, which is narrower than the original MAX417CSA-T (-20°C to 70°C overlap exists, but the lower bound is -20°C instead of 0°C). For applications requiring operation below -20°C or above 70°C, the TS462CDT is not suitable. The OP281GSZ (-40°C to 85°C) or TS972 series (-40°C to 125°C) are recommended for extended temperature requirements.

Q6: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed—MAX417CSA+T, OP281GSZ, OP281GSZ-REEL7, TS462CDT, TS972IDT, and TS972IST—are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level). All parts are suitable for modern manufacturing processes and meet environmental regulatory requirements.

Q7: Which substitute part has the highest inventory availability?

A: The TS972IST has the highest inventory at 25,300 units, followed by TS972IDT (15,604 units) and OP281GSZ (10,021 units). The original MAX417CSA-T has 676 units remaining. For long-term supply chain security, the TS972 series offers the most robust inventory position.

Q8: What packaging options are available for substitutes?

A: Packaging varies by part number. MAX417CSA+T, OP281GSZ, TS462CDT, and TS972IDT are available in 8-SOIC (0.154", 3.90mm width). OP281GSZ-REEL7 is supplied in tape-and-reel format. TS972IST uses 8-TSSOP/8-MiniSO (0.118", 3.00mm width) in tape-and-reel format. Select packaging based on assembly equipment compatibility and inventory management requirements.