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OP497FSZ-REEL Equivalent & Substitute Parts
Part Overview
The OP497FSZ-REEL is a general-purpose operational amplifier integrated circuit manufactured by Analog Devices Inc. This device contains four independent amplifier circuits in a 16-SOIC surface mount package. The OP497FSZ-REEL is classified as an Active product with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when design requirements necessitate alternative electrical performance characteristics, different amplifier topologies, or when primary part availability is constrained.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | OP497FSZ-REEL | — |
| Manufacturer | Analog Devices Inc. | — |
| Category | Linear, Amplifiers | — |
| Amplifier Type | General Purpose | — |
| Number of Circuits | 4 | — |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | — |
| Mounting Type | Surface Mount | — |
| Slew Rate | 0.15 | V/µs |
| Gain Bandwidth Product | 500 | kHz |
| Current - Input Bias | 40 | pA |
| Voltage - Input Offset | 40 | µV |
| Current - Supply (x4 Channels) | 525 | µA |
| Current - Output / Channel | 25 | mA |
| Voltage - Supply Span (Min) | 4 | V |
| Voltage - Supply Span (Max) | 40 | V |
| Operating Temperature | -40°C ~ 85°C | — |
| Product Status | Active | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the OP497FSZ-REEL is determined by compatibility across the following critical parameters: package type (16-SOIC surface mount), number of circuits (4 independent amplifiers), mounting configuration, and electrical performance specifications including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and supply voltage range.
The identified substitute parts fall into two functional categories:
J-FET Amplifier Topology (LT1058 Series): The LT1058ISW#PBF and LT1058SW#PBF provide J-FET input stages with significantly higher slew rate (13V/µs) and gain bandwidth product (5 MHz) compared to the OP497FSZ-REEL. These devices maintain the 16-SOIC package format and four-circuit configuration but operate within a narrower supply voltage range (20V to 36V minimum/maximum).
General Purpose Amplifier Topology (LT1125 and LT1127 Series): The LT1125CSW#PBF and LT1127CSW#PBF are general-purpose amplifiers with enhanced performance metrics. The LT1125CSW#PBF offers 4.5V/µs slew rate and 12.5 MHz gain bandwidth product with an 8V to 44V supply range. The LT1127CSW#PBF provides the highest performance with 11V/µs slew rate and 65 MHz gain bandwidth product, supporting -40°C to 85°C operating temperature matching the OP497FSZ-REEL.
All substitute parts maintain RoHS3 compliance, MSL Level 1 rating, and 16-SOIC package geometry.
Parameter Comparison
| Parameter | OP497FSZ-REEL | LT1058ISW#PBF | LT1058SW#PBF | LT1125CSW#PBF | LT1127CSW#PBF |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Amplifier Type | General Purpose | J-FET | J-FET | General Purpose | General Purpose |
| Number of Circuits | 4 | 4 | 4 | 4 | 4 |
| Package / Case | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Slew Rate (V/µs) | 0.15 | 13 | 13 | 4.5 | 11 |
| Gain Bandwidth Product (MHz) | 0.5 | 5 | 5 | 12.5 | 65 |
| Current - Input Bias (pA) | 40 | 10 | 10 | 8000 | 8000 |
| Voltage - Input Offset (µV) | 40 | 350 | 350 | 30 | 30 |
| Current - Supply (µA, x4 Channels) | 525 | 1700 | 1700 | 2300 | 2600 |
| Voltage - Supply Span Min (V) | 4 | 20 | 20 | 8 | 8 |
| Voltage - Supply Span Max (V) | 40 | 36 | 36 | 44 | 36 |
| Operating Temperature (°C) | -40 ~ 85 | -40 ~ 85 | 0 ~ 70 | 0 ~ 70 | -40 ~ 85 |
| Product Status | Active | Active | Active | Active | Last Time Buy |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
OP497FSZ-REEL Primary Selection: Retain the OP497FSZ-REEL for applications requiring the lowest input bias current (40 pA), lowest input offset voltage (40 µV), and lowest supply current consumption (525 µA across four channels). This device supports the widest supply voltage range (4V to 40V) and maintains Active product status with unlimited availability classification.
LT1058ISW#PBF / LT1058SW#PBF Selection: Select these J-FET input amplifiers when applications require significantly higher slew rate (13V/µs) and gain bandwidth product (5 MHz) with lower input bias current (10 pA). The LT1058ISW#PBF supports the full -40°C to 85°C temperature range. The LT1058SW#PBF operates within 0°C to 70°C and is packaged in Tube format. Both devices require supply voltages between 20V and 36V.
LT1125CSW#PBF Selection: Choose this general-purpose amplifier for applications requiring moderate performance enhancement (4.5V/µs slew rate, 12.5 MHz gain bandwidth product) with the widest supply voltage range among general-purpose substitutes (8V to 44V). Operating temperature range is 0°C to 70°C. This device is Active status with 2420 units in stock.
LT1127CSW#PBF Selection: Select this device for applications requiring the highest performance specifications (11V/µs slew rate, 65 MHz gain bandwidth product) while maintaining the full -40°C to 85°C operating temperature range. Supply voltage range is 8V to 36V. Note that this device carries Last Time Buy product status, indicating limited future availability.
All substitute parts maintain RoHS3 compliance and MSL Level 1 moisture sensitivity rating, ensuring compatibility with standard surface mount assembly processes.
Frequently Asked Questions (FAQ)
Q: Can the LT1058 series directly replace the OP497FSZ-REEL in all applications?
A: The LT1058 series maintains identical package geometry (16-SOIC) and circuit count (4 amplifiers) but operates within a narrower supply voltage range (20V to 36V versus 4V to 40V for the OP497FSZ-REEL). Applications using supply voltages below 20V or above 36V require the OP497FSZ-REEL or alternative substitutes. The LT1058 series provides superior slew rate and bandwidth performance suitable for higher-frequency signal processing.
Q: What are the key differences between the LT1125CSW#PBF and LT1127CSW#PBF?
A: Both devices are general-purpose amplifiers in 16-SOIC packages with four circuits. The LT1127CSW#PBF provides higher performance (11V/µs slew rate, 65 MHz bandwidth versus 4.5V/µs and 12.5 MHz) and supports the extended -40°C to 85°C temperature range. The LT1125CSW#PBF operates 0°C to 70°C and supports a wider maximum supply voltage (44V versus 36V). The LT1127CSW#PBF carries Last Time Buy status, indicating limited future procurement availability.
Q: Are all substitute parts available in the same packaging format?
A: All substitute parts use the 16-SOIC surface mount package with identical 0.295" (7.50mm) width. The OP497FSZ-REEL is supplied in Cut Tape (CT) and Digi-Reel® format. The LT1058ISW#PBF, LT1058SW#PBF, LT1125CSW#PBF, and LT1127CSW#PBF are supplied in Tube packaging. PCB footprints and reflow soldering profiles are compatible across all devices.
Q: Which substitute part offers the best low-noise performance?
A: The OP497FSZ-REEL provides the lowest input offset voltage (40 µV) and lowest input bias current (40 pA), making it optimal for low-noise applications. Among substitutes, the LT1125CSW#PBF and LT1127CSW#PBF both offer 30 µV input offset voltage with 8 nA input bias current, providing superior noise performance compared to the LT1058 series (350 µV offset, 10 pA bias).
Q: What is the impact of supply current differences on circuit design?
A: The OP497FSZ-REEL consumes 525 µA across four channels. The LT1058 series consumes 1700 µA, the LT1125CSW#PBF consumes 2300 µA, and the LT1127CSW#PBF consumes 2600 µA. Higher supply current increases power dissipation and thermal management requirements. Applications with strict power budgets should retain the OP497FSZ-REEL or evaluate the LT1058 series for lower consumption relative to performance gains.
Q: Are there temperature range limitations for substitute selection?
A: The OP497FSZ-REEL, LT1058ISW#PBF, and LT1127CSW#PBF support -40°C to 85°C operation. The LT1058SW#PBF and LT1125CSW#PBF operate within 0°C to 70°C. Applications requiring extended low-temperature operation (-40°C) must use OP497FSZ-REEL, LT1058ISW#PBF, or LT1127CSW#PBF.
Q: How do supply voltage ranges affect substitution decisions?
A: The OP497FSZ-REEL supports 4V to 40V, the widest range. The LT1058 series operates 20V to 36V. The LT1125CSW#PBF operates 8V to 44V (widest maximum). The LT1127CSW#PBF operates 8V to 36V. Circuit designs using supply voltages below 8V require the OP497FSZ-REEL. Designs using 36V to 40V require OP497FSZ-REEL or LT1125CSW#PBF.
Q: What compliance certifications apply to all substitute parts?
A: All parts (OP497FSZ-REEL, LT1058ISW#PBF, LT1058SW#PBF, LT1125CSW#PBF, LT1127CSW#PBF) are RoHS3 compliant, REACH unaffected, and classified as MSL Level 1 (unlimited moisture sensitivity). All carry ECCN EAR99 and HTSUS 8542.33.0001 classifications.
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