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MCP6H72T-E/SN Equivalent & Substitute Parts
Part Overview
The MCP6H72T-E/SN is a general-purpose operational amplifier manufactured by Microchip Technology, configured as a dual-circuit (2-channel) rail-to-rail output device in an 8-SOIC surface-mount package. This device is currently in active production status with 1086 units in stock inventory.
The MCP6H72T-E/SN is specified for applications requiring low input bias current (10 pA), moderate slew rate (2 V/µs), and a gain-bandwidth product of 2.7 MHz across a supply voltage range of 3.5 V to 12 V. The operating temperature range extends from -40°C to 125°C, making it suitable for industrial and automotive environments.
Substitute parts are necessary when the MCP6H72T-E/SN reaches end-of-life status, when alternative packaging formats are required, or when design requirements necessitate different electrical characteristics within the same functional category. The substitute parts listed below maintain compatibility with the 8-SOIC package footprint and dual-circuit configuration while offering variations in amplifier topology, supply voltage range, and temperature specifications.
Substiute Parts
Key Parameters
| Parameter | MCP6H72T-E/SN | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | Channels |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 2 | V/µs |
| Gain Bandwidth Product | 2.7 | MHz |
| Current - Input Bias | 10 | pA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply (x2 Channels) | 480 | µA |
| Current - Output / Channel | 53 | mA |
| Voltage - Supply Span (Min) | 3.5 | V |
| Voltage - Supply Span (Max) | 12 | V |
| Operating Temperature | -40 to 125 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Product Status | Active | — |
Substitute Part Grouping Explanation
Substitution compatibility for the MCP6H72T-E/SN 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 PCB footprint compatibility.
Dual-Circuit Configuration: All substitutes maintain a 2-circuit (dual-channel) operational amplifier topology.
Rail-to-Rail Output: All substitute parts provide rail-to-rail output capability, ensuring signal swing from supply rail to supply rail.
Supply Voltage Range: The MCP6H72T-E/SN operates from 3.5 V to 12 V. Substitute parts must support this range or provide a compatible overlap. Parts with extended supply ranges (such as 2 V to 15.5 V or 3 V to 15.5 V) are acceptable as they encompass the original specification.
Operating Temperature Range: The MCP6H72T-E/SN operates from -40°C to 125°C. Substitute parts with identical or extended temperature ranges (-40°C to 125°C or wider) maintain full compatibility. Parts with reduced upper temperature limits (-40°C to 85°C) represent a functional restriction.
Electrical Performance: Slew rate, gain-bandwidth product, input bias current, input offset voltage, and output current are secondary selection criteria. Variations in these parameters do not prevent substitution but may affect circuit performance and require design verification.
Amplifier Topology: The MCP6H72T-E/SN uses a general-purpose topology. Substitute parts may employ CMOS topology, which offers different electrical characteristics (lower input bias current, lower input offset voltage, different slew rate) but remain functionally compatible within the same package and pin configuration.
Parameter Comparison
| Parameter | MCP6H72T-E/SN | LMC6035IMQ1 | LMC6482IM | LMC6482IM/NOPB | LMC6482IMX | LMC6482IMX/NOPB | LMC6492AEM | LMC6492AEM/NOPB | LMC6492AEMX/NOPB | LMC6492BEM | LMC6492BEM/NOPB | Unit |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Amplifier Type | General Purpose | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | — |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | Channels |
| Output Type | Rail-to-Rail | Differential, Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Differential, Rail-to-Rail | Differential, Rail-to-Rail | Differential, Rail-to-Rail | Differential, Rail-to-Rail | Differential, Rail-to-Rail | — |
| Slew Rate | 2 | 1.5 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | V/µs |
| Gain Bandwidth Product | 2.7 | 1.4 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | MHz |
| Current - Input Bias | 10 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | pA |
| Voltage - Input Offset | 1 | 500 | 110 | 110 | 110 | 110 | 110 | 110 | 110 | 110 | 110 | µV |
| Current - Supply (x2 Channels) | 480 | 650 | 1300 | 1300 | 1300 | 1300 | 1300 | 1300 | 1300 | 1300 | 1300 | µA |
| Current - Output / Channel | 53 | 8 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | mA |
| Voltage - Supply Span (Min) | 3.5 | 2 | 3 | 3 | 3 | 3 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | V |
| Voltage - Supply Span (Max) | 12 | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | 15.5 | V |
| Operating Temperature | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | RoHS non-compliant | RoHS non-compliant | — |
| Product Status | Active | Obsolete | Obsolete | Last Time Buy | Last Time Buy | Active | Obsolete | Last Time Buy | Active | Active | Active | — |
Engineering Selection Recommendations
Primary Substitutes (Active Status, Full Temperature Range, RoHS3 Compliant):
The LMC6482IMX/NOPB and LMC6492AEMX/NOPB are the preferred substitutes for the MCP6H72T-E/SN. Both parts maintain active production status, support the full -40°C to 125°C operating temperature range, and comply with ROHS3 regulations. The LMC6482IMX/NOPB provides rail-to-rail output with 1.3 V/µs slew rate and 1.5 MHz gain-bandwidth product. The LMC6492AEMX/NOPB offers differential rail-to-rail output with identical electrical specifications. Both are available in Tape & Reel (TR) packaging, matching the original MCP6H72T-E/SN format. Inventory availability is substantial (16,186 and 8,213 units respectively).
Secondary Substitutes (Last Time Buy Status, Full Temperature Range, RoHS3 Compliant):
The LMC6482IM/NOPB and LMC6492AEM/NOPB are available as secondary options. These parts maintain the full -40°C to 125°C temperature range and ROHS3 compliance but are designated as Last Time Buy, indicating limited future availability. The LMC6482IM/NOPB is supplied in Tube packaging, while the LMC6492AEM/NOPB is also supplied in Tube packaging. Inventory levels are adequate (16,680 and 2,060 units respectively).
Restricted Substitutes (Reduced Temperature Range):
The LMC6035IMQ1, LMC6482IM, and LMC6482IMX are not recommended for applications requiring the full -40°C to 125°C operating temperature range. These parts are limited to -40°C to 85°C operation. The LMC6035IMQ1 is obsolete and offers reduced output current (8 mA per channel versus 53 mA). The LMC6482IM is obsolete and non-compliant with ROHS3 regulations.
Non-Compliant Substitutes:
The LMC6492BEM and LMC6492BEM/NOPB are not recommended due to RoHS non-compliance and REACH Affected status. Although these parts support the full -40°C to 125°C temperature range, regulatory compliance requirements preclude their use in applications subject to RoHS3 or REACH regulations.
Packaging Considerations:
The MCP6H72T-E/SN is supplied in Tape & Reel (TR) format. The LMC6482IMX/NOPB and LMC6492AEMX/NOPB are available in Cut Tape (CT) & Digi-Reel® format, which is compatible with automated assembly equipment. The LMC6482IM/NOPB and LMC6492AEM/NOPB are supplied in Tube packaging, requiring manual handling or alternative feeder systems.
Frequently Asked Questions (FAQ)
Q1: Can the LMC6482IMX/NOPB directly replace the MCP6H72T-E/SN without circuit modifications?
A: The LMC6482IMX/NOPB is pin-compatible and functionally compatible with the MCP6H72T-E/SN. Both devices use the 8-SOIC package with identical pinout. The LMC6482IMX/NOPB provides dual-channel rail-to-rail output operation across the 3.5 V to 12 V supply range and -40°C to 125°C temperature range. However, the LMC6482IMX/NOPB exhibits lower slew rate (1.3 V/µs versus 2 V/µs) and lower gain-bandwidth product (1.5 MHz versus 2.7 MHz). Applications sensitive to transient response or high-frequency performance may require circuit verification.
Q2: What is the difference between the LMC6482 and LMC6492 series?
A: The LMC6482 series provides standard rail-to-rail output. The LMC6492 series provides differential rail-to-rail output. Both series maintain identical slew rate (1.3 V/µs), gain-bandwidth product (1.5 MHz), and supply voltage range (2.5 V to 15.5 V for LMC6492, 3 V to 15.5 V for LMC6482). The LMC6492 series supports the full -40°C to 125°C temperature range, while the LMC6482 series is limited to -40°C to 85°C (except LMC6492AEM/NOPB and LMC6492AEMX/NOPB variants). Pin configuration and package dimensions are identical.
Q3: Why is the LMC6035IMQ1 not recommended as a substitute?
A: The LMC6035IMQ1 is designated as obsolete and is limited to -40°C to 85°C operation, which does not meet the MCP6H72T-E/SN specification of -40°C to 125°C. Additionally, the LMC6035IMQ1 provides only 8 mA output current per channel, compared to 53 mA for the MCP6H72T-E/SN. This represents a significant reduction in output drive capability and may cause circuit failure in applications requiring higher output current.
Q4: Are there packaging format differences between substitute parts?
A: Yes. The MCP6H72T-E/SN is supplied in Tape & Reel (TR) format. The LMC6482IMX/NOPB and LMC6492AEMX/NOPB are supplied in Cut Tape (CT) & Digi-Reel® format. The LMC6482IM/NOPB and LMC6492AEM/NOPB are supplied in Tube packaging. Tape & Reel and Cut Tape & Digi-Reel® formats are compatible with automated pick-and-place assembly equipment. Tube packaging requires manual handling or alternative feeder systems. Verify packaging compatibility with your assembly process before procurement.
Q5: What is the significance of the "/NOPB" suffix in part numbers?
A: The "/NOPB" suffix indicates "No Plumbum" (lead-free) construction, confirming compliance with RoHS3 regulations that restrict the use of lead and other hazardous substances. Parts without this suffix (such as LMC6482IM and LMC6492AEM) may contain lead and are not RoHS3 compliant. For applications subject to RoHS3 or REACH regulations, select only parts with the "/NOPB" designation.
Q6: Can the LMC6492BEM be used as a substitute despite RoHS non-compliance?
A: The LMC6492BEM and LMC6492BEM/NOPB are not recommended for new designs or applications subject to RoHS3 or REACH regulations. Although these parts support the full -40°C to 125°C temperature range and provide differential rail-to-rail output, their regulatory non-compliance creates supply chain risk and may violate customer or regional requirements. Use only RoHS3-compliant alternatives.
Q7: What is the inventory status of recommended substitutes?
A: The LMC6482IMX/NOPB has 16,186 units in stock (Active status). The LMC6492AEMX/NOPB has 8,213 units in stock (Active status). Both parts are actively produced and have substantial inventory availability. The LMC6482IM/NOPB has 16,680 units in stock (Last Time Buy status), indicating limited future production. The LMC6492AEM/NOPB has 2,060 units in stock (Last Time Buy status), indicating more limited availability.
Q8: How do input bias current differences affect circuit design?
A: The MCP6H72T-E/SN has 10 pA input bias current. The LMC6482 and LMC6492 series have 0.02 pA to 0.15 pA input bias current. Lower input bias current reduces errors in high-impedance circuits and minimizes offset drift with temperature. For most general-purpose applications, this difference is negligible. For precision instrumentation or high-impedance sensor interfaces, the lower input bias current of CMOS substitutes (LMC6482, LMC6492) provides improved performance.
Q9: What is the impact of reduced slew rate on circuit performance?
A: The MCP6H72T-E/SN has 2 V/µs slew rate. The LMC6482 and LMC6492 series have 1.3 V/µs slew rate. Slew rate determines the maximum rate of change of output voltage. For a 10 V output swing, the MCP6H72T-E/SN requires 5 µs, while the LMC6482/LMC6492 require 7.7 µs. For applications with fast transient requirements or high-frequency signal processing, verify that the reduced slew rate does not cause unacceptable distortion or settling time delays.
Q10: Are all substitute parts pin-compatible with the MCP6H72T-E/SN?
A: Yes. All substitute parts listed use the 8-SOIC package with identical pinout. Pin-to-pin compatibility is confirmed for all listed alternatives. However, verify that your PCB layout and schematic accommodate any differences in electrical characteristics (slew rate, gain-bandwidth product, input bias current, output current) before finalizing the substitution.
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