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MCP6492T-E/SN Equivalent & Substitute Parts
Part Overview
The MCP6492T-E/SN is a general-purpose operational amplifier manufactured by Microchip Technology, featuring dual circuits in an 8-SOIC surface-mount package. This rail-to-rail amplifier operates across a 2.4V to 5.5V supply range with a gain-bandwidth product of 7.5 MHz and slew rate of 6V/µs. The device is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical characteristics, package compatibility, and operational parameters that ensure functional interchangeability in circuit applications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Slew Rate | 6 | V/µs |
| Gain Bandwidth Product | 7.5 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 1.5 | mV |
| Current - Supply | 530 (x2 Channels) | µA |
| Current - Output / Channel | 15 | mA |
| Voltage - Supply Span (Min) | 2.4 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Product Status | Active | — |
Substitute Part Grouping Explanation
Substitution of the MCP6492T-E/SN is determined by the following critical parameters:
Primary Matching Criteria:
- Dual-circuit configuration (2 circuits per package)
- Rail-to-rail output capability
- 8-SOIC package with 0.154" (3.90mm) width
- Surface-mount technology
- Operating temperature range: -40°C to 125°C (or compatible subset)
- Supply voltage range: 2.4V to 5.5V (or compatible overlap)
Secondary Performance Parameters:
- Slew rate: 6V/µs or greater
- Gain-bandwidth product: 7.5 MHz or greater
- Input bias current: 1 pA or lower
- Input offset voltage: 1.5 mV or lower
- Output current per channel: 15 mA or greater
Substitute parts are grouped into two categories: Direct Equivalents (matching all primary criteria with comparable performance) and Compatible Alternatives (matching primary criteria with performance variations in specific parameters).
Parameter Comparison
| Parameter | MCP6492T-E/SN | AD8602ARZ | LMV822IDT | LMV822MX/NOPB | MAX4326ESA+ |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Analog Devices Inc. | STMicroelectronics | Texas Instruments | Analog Devices Inc./Maxim |
| Amplifier Type | General Purpose | CMOS | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Package / Case | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) |
| Slew Rate (V/µs) | 6 | 6 | 1.9 | 2 | 2 |
| Gain Bandwidth Product (MHz) | 7.5 | 8.4 | 5.5 | 5.6 | 5 |
| Current - Input Bias (pA) | 1 | 0.2 | 60 nA | 40 nA | 50 nA |
| Voltage - Input Offset (mV) | 1.5 | 0.08 | 3.5 | 1 | 0.7 |
| Current - Supply (µA) | 530 (x2) | 750 (x2) | 300 (x2) | 500 (x2) | 725 (x2) |
| Current - Output / Channel (mA) | 15 | 50 | 70 | 45 | 50 |
| Voltage - Supply Span (Min) | 2.4 V | 2.7 V | 2.5 V | 2.5 V | 2.4 V |
| Voltage - Supply Span (Max) | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 6.5 V |
| Operating Temperature (°C) | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Category 1: Direct Performance Equivalents
The AD8602ARZ series (AD8602ARZ, AD8602ARZ-REEL, AD8602ARZ-REEL7, AD8602WARZ-R7) from Analog Devices Inc. provides the closest electrical match to the MCP6492T-E/SN. These CMOS amplifiers maintain identical slew rate (6V/µs), superior gain-bandwidth product (8.4 MHz vs. 7.5 MHz), and matching 8-SOIC package geometry. All variants are Active product status with ROHS3 compliance. The AD8602 series demonstrates lower input bias current (0.2 pA) and input offset voltage (80 µV), with higher output current capability (50 mA per channel). Supply voltage range compatibility spans 2.7V to 5.5V, overlapping the MCP6492T-E/SN specification. Packaging options include Tube (AD8602ARZ), Tape & Reel (AD8602ARZ-REEL), and Cut Tape & Digi-Reel (AD8602ARZ-REEL7, AD8602WARZ-R7).
Category 2: Compatible Alternatives with Performance Trade-offs
The LMV822 series from Texas Instruments and STMicroelectronics offers functional substitution with reduced slew rate and gain-bandwidth product. The LMV822MX/NOPB (Texas Instruments, Active status) and LMV822IDT (STMicroelectronics, Active status with AEC-Q100 automotive qualification) both feature 8-SOIC packaging and rail-to-rail output. The LMV822MX/NOPB operates at 2V/µs slew rate and 5.6 MHz gain-bandwidth product with 500µA supply current. The LMV822IDT provides 1.9V/µs slew rate and 5.5 MHz gain-bandwidth product with 300µA supply current. Both support -40°C to 85°C operating temperature (reduced upper limit compared to MCP6492T-E/SN). The LMV822M variant (Texas Instruments, Last Time Buy status) is not recommended for new designs.
Category 3: Extended Supply Range Alternative
The MAX4326ESA+ from Analog Devices Inc./Maxim Integrated extends the maximum supply voltage to 6.5V while maintaining 8-SOIC package compatibility and rail-to-rail output. This device operates at 2V/µs slew rate and 5 MHz gain-bandwidth product with 725µA supply current. Operating temperature range is -40°C to 85°C. Product status is Active with ROHS3 compliance. This option is suitable for applications requiring higher supply voltage tolerance.
Category 4: Specialized Application Alternative
The LMR932F-GE2 from Rohm Semiconductor provides an 8-SOP package variant (0.173", 4.40mm width) with general-purpose amplifier configuration. This device operates at 0.35V/µs slew rate and 1.4 MHz gain-bandwidth product, representing significant performance reduction. Supply range is 1.8V to 5V with 140µA supply current. Operating temperature is -40°C to 85°C. Package geometry differs from the standard 8-SOIC, requiring PCB layout modification. This option is not recommended as a direct substitute but may serve specialized low-power applications.
Compliance and Certification Summary:
All recommended substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. The LMV822IDT includes AEC-Q100 automotive qualification, suitable for automotive-grade applications. All parts carry EAR99 ECCN classification and REACH Unaffected status, matching the regulatory profile of the MCP6492T-E/SN.
Frequently Asked Questions (FAQ)
Q1: Can the AD8602ARZ directly replace the MCP6492T-E/SN without circuit modification?
A: Yes. The AD8602ARZ maintains identical 8-SOIC package geometry (0.154", 3.90mm width), dual-circuit configuration, rail-to-rail output, and overlapping supply voltage range (2.7V to 5.5V). Pin-to-pin compatibility is confirmed. The superior slew rate (6V/µs) and gain-bandwidth product (8.4 MHz) ensure performance parity or improvement. No circuit modification is required for standard applications.
Q2: What is the primary difference between AD8602ARZ packaging variants?
A: The AD8602ARZ variants differ only in packaging format: AD8602ARZ (Tube), AD8602ARZ-REEL (Tape & Reel), AD8602ARZ-REEL7 (Cut Tape & Digi-Reel), and AD8602WARZ-R7 (Cut Tape & Digi-Reel). All variants share identical electrical specifications and 8-SOIC package dimensions. Selection depends on procurement and assembly requirements.
Q3: Why does the LMV822 series show lower slew rate and gain-bandwidth product?
A: The LMV822 series represents a different design optimization prioritizing lower supply current (300µA to 500µA) and reduced input offset voltage (1 mV) over high-speed performance. Slew rate is 1.9V/µs to 2V/µs, and gain-bandwidth product is 5.5 MHz to 5.6 MHz. These devices are suitable for applications where power consumption is critical and signal bandwidth requirements are moderate.
Q4: Is the LMV822IDT suitable for automotive applications?
A: Yes. The LMV822IDT from STMicroelectronics carries AEC-Q100 automotive qualification, making it suitable for automotive-grade circuit designs. It maintains 8-SOIC package compatibility and Active product status. Operating temperature range is -40°C to 125°C, matching the MCP6492T-E/SN specification.
Q5: What is the significance of "Last Time Buy" status for LMV822M?
A: Last Time Buy status indicates that Texas Instruments has announced end-of-life for the LMV822M device. New designs should not incorporate this part. The LMV822MX/NOPB (Active status) is the recommended alternative from the LMV822 family.
Q6: Can the MAX4326ESA+ be used in applications requiring supply voltages above 5.5V?
A: Yes. The MAX4326ESA+ supports supply voltage up to 6.5V, compared to 5.5V maximum for the MCP6492T-E/SN. This extended range makes it suitable for applications with higher supply voltage requirements. All other electrical characteristics remain compatible with standard 5.5V operation.
Q7: Why is the LMR932F-GE2 not recommended as a primary substitute?
A: The LMR932F-GE2 uses an 8-SOP package (0.173", 4.40mm width) instead of the standard 8-SOIC (0.154", 3.90mm width). This package difference requires PCB layout modification and cannot be considered a direct pin-compatible substitute. Additionally, performance specifications (0.35V/µs slew rate, 1.4 MHz gain-bandwidth product) represent significant degradation.
Q8: Are all substitute parts ROHS3 compliant?
A: Yes. All recommended substitute parts (AD8602 series, LMV822 variants, MAX4326ESA+) maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, matching the regulatory profile of the MCP6492T-E/SN.
Q9: What is the inventory status of substitute parts?
A: Current inventory levels are: AD8602ARZ (7,400 pcs), AD8602ARZ-REEL (8,198 pcs), AD8602ARZ-REEL7 (20,100 pcs), AD8602WARZ-R7 (2,151 pcs), LMV822IDT (17,900 pcs), LMV822M (19,352 pcs), LMV822M/NOPB (2,155 pcs), LMV822MX/NOPB (30,163 pcs), MAX4326ESA+ (12,700 pcs), LMR932F-GE2 (3,669 pcs). The MCP6492T-E/SN maintains 33,400 pcs in stock.
Q10: Which substitute part offers the best performance match for high-speed applications?
A: The AD8602ARZ series provides the optimal performance match for high-speed applications, maintaining 6V/µs slew rate and 8.4 MHz gain-bandwidth product. These specifications exceed the MCP6492T-E/SN baseline and ensure superior transient response and signal fidelity in bandwidth-critical circuits.
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