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MCP6H82T-E/SN Equivalent & Substitute Parts
Part Overview
The MCP6H82T-E/SN is a general-purpose operational amplifier manufactured by Microchip Technology, configured as a dual-channel (2 circuit) rail-to-rail output device in an 8-SOIC surface mount package. This part is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and production continuity.
The MCP6H82T-E/SN operates across a supply voltage range of 3.5 V to 12 V with an operating temperature range of -40°C to 125°C. Its primary applications include general-purpose signal conditioning, buffering, and amplification in analog circuits requiring moderate bandwidth and low power consumption.
Due to its obsolete status, equivalent parts with active product status are required for ongoing procurement and design updates.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | MCP6H82T-E/SN | — |
| Manufacturer | Microchip Technology | — |
| Product Status | Obsolete | — |
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Slew Rate | 5 | V/µs |
| Gain Bandwidth Product | 5.5 | MHz |
| Current - Input Bias | 10 | pA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply (x2 Channels) | 700 | µA |
| Current - Output / Channel | 55 | mA |
| Voltage - Supply Span (Min) | 3.5 | V |
| Voltage - Supply Span (Max) | 12 | V |
| Operating Temperature | -40 to 125 | °C |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the MCP6H82T-E/SN is determined by the following critical parameters:
Mandatory Compatibility Criteria:
- Number of Circuits: 2 (dual-channel configuration)
- Output Type: Rail-to-Rail
- Package / Case: 8-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- Voltage - Supply Span: Minimum 3.5 V to Maximum 12 V (or compatible subset)
- Operating Temperature: -40°C to 125°C (or compatible subset)
Performance Parameters (Secondary Consideration):
- Slew Rate: 5 V/µs (baseline)
- Gain Bandwidth Product: 5.5 MHz (baseline)
- Current - Supply: 700 µA per 2 channels (baseline)
- Current - Output / Channel: 55 mA (baseline)
Substitute parts are grouped into two categories:
Category A: General-Purpose Amplifiers (Active Status)
- AD8529ARZ and AD8529ARZ-REEL meet all mandatory criteria with active product status
- Electrical performance differs (higher bandwidth, lower input bias current, lower supply current)
- Direct functional replacement with enhanced specifications
Category B: CMOS Amplifiers (Active Status)
- LTC6241HVCS8#PBF, LTC6241HVCS8#TRPBF, LTC6241HVHS8#PBF, LTC6241HVHS8#TRPBF, LTC6241HVIS8#PBF, LTC6241HVIS8#TRPBF
- Meet all mandatory criteria with active product status
- Superior performance (higher slew rate, higher bandwidth, lower input bias current, significantly lower supply current)
- Operating temperature ranges vary by variant
Category C: Zero-Drift Amplifiers (Active Status)
- OPA2735AID and OPA2735AIDR meet all mandatory criteria with active product status
- Specialized zero-drift topology with differential output capability
- Lower slew rate and bandwidth than baseline, but superior input offset voltage specification
Parameter Comparison
| Parameter | MCP6H82T-E/SN | AD8529ARZ | LTC6241HVCS8#PBF | LTC6241HVHS8#PBF | LTC6241HVIS8#PBF | OPA2735AID |
|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Texas Instruments |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| Amplifier Type | General Purpose | General Purpose | CMOS | CMOS | CMOS | Zero-Drift |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Differential, Rail-to-Rail |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Slew Rate (V/µs) | 5 | 2.9 | 10 | 10 | 10 | 1.5 |
| Gain Bandwidth Product (MHz) | 5.5 | 8 | 18 | 18 | 18 | 1.6 |
| Current - Input Bias (pA) | 10 | 300 | 0.5 | 0.5 | 0.5 | 100 |
| Voltage - Input Offset (mV / µV) | 1 mV | 600 µV | 50 µV | 50 µV | 50 µV | 1 µV |
| Current - Supply (µA, x2 Channels) | 700 | 600 | 2.5 | 2.5 | 2.5 | 600 |
| Current - Output / Channel (mA) | 55 | 25 | 30 | 30 | 30 | 20 |
| Voltage - Supply Span (Min - Max) | 3.5 - 12 V | 2.7 - 12 V | 2.8 - 11 V | 2.8 - 11 V | 2.8 - 11 V | 2.7 - 12 V |
| Operating Temperature | -40 to 125°C | -40 to 125°C | 0 to 70°C | -40 to 125°C | -40 to 85°C | -40 to 85°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 2 (1 Year) |
Engineering Selection Recommendations
For Direct Replacement with Active Product Status:
The AD8529ARZ and AD8529ARZ-REEL are the primary recommended substitutes for the MCP6H82T-E/SN. Both variants are manufactured by Analog Devices Inc. and maintain active product status. They satisfy all mandatory compatibility criteria: dual-channel configuration, rail-to-rail output, 8-SOIC package, surface mount technology, and full operating temperature range (-40°C to 125°C). Both are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.
The AD8529ARZ is supplied in Tube packaging, while the AD8529ARZ-REEL is supplied in Cut Tape (CT) & Digi-Reel® packaging. Selection between these variants depends on procurement and assembly requirements.
For Enhanced Performance Applications:
The LTC6241 series (Analog Devices Inc.) offers superior electrical performance with CMOS topology. Four variants are available:
- LTC6241HVCS8#PBF (Tube packaging): Operating temperature 0°C to 70°C
- LTC6241HVCS8#TRPBF (Cut Tape & Digi-Reel®): Operating temperature 0°C to 70°C
- LTC6241HVHS8#PBF (Tube packaging): Operating temperature -40°C to 125°C
- LTC6241HVHS8#TRPBF (Tape & Reel): Operating temperature -40°C to 125°C
- LTC6241HVIS8#PBF (Tube packaging): Operating temperature -40°C to 85°C
- LTC6241HVIS8#TRPBF (Tape & Reel): Operating temperature -40°C to 85°C
The LTC6241HVHS8#PBF and LTC6241HVHS8#TRPBF variants provide the widest operating temperature range (-40°C to 125°C), matching the original MCP6H82T-E/SN specification. These variants deliver 10 V/µs slew rate, 18 MHz gain bandwidth product, and exceptionally low supply current (2.5 mA for 2 channels), making them suitable for power-constrained applications.
For Precision Applications:
The OPA2735AID and OPA2735AIDR (Texas Instruments) are zero-drift amplifiers with differential output capability. These parts provide superior input offset voltage specification (1 µV) and are suitable for precision measurement and instrumentation applications. Operating temperature range is -40°C to 85°C. MSL rating is 2 (1 Year), requiring controlled storage conditions.
Compliance and Certification:
All recommended substitutes are ROHS3 compliant and REACH unaffected, matching the original part's regulatory status. ECCN classification is EAR99 for all parts, and HTSUS code is 8542.33.0001.
Frequently Asked Questions (FAQ)
Q1: Can the AD8529ARZ directly replace the MCP6H82T-E/SN without circuit modifications?
A: The AD8529ARZ meets all mandatory compatibility criteria: dual-channel configuration, rail-to-rail output, 8-SOIC package, surface mount technology, and overlapping supply voltage range (2.7 V to 12 V encompasses the original 3.5 V to 12 V specification). Pin-to-pin compatibility is maintained. However, electrical performance differs (higher bandwidth, lower input bias current, lower supply current). Circuit validation is required to confirm performance adequacy in the specific application.
Q2: What is the key difference between the LTC6241 variants?
A: The LTC6241 series variants differ primarily in operating temperature range and packaging format. The HVHS variant (-40°C to 125°C) matches the original MCP6H82T-E/SN temperature specification and is recommended for applications requiring full industrial temperature range. The HVCS variant (0°C to 70°C) is suitable for commercial temperature applications. The HVIS variant (-40°C to 85°C) provides intermediate temperature coverage. Packaging options include Tube, Cut Tape & Digi-Reel®, and Tape & Reel formats.
Q3: Why does the OPA2735AID have lower slew rate and bandwidth than the original part?
A: The OPA2735AID employs zero-drift topology, which prioritizes input offset voltage accuracy (1 µV) over bandwidth performance. This architecture is optimized for precision measurement applications where offset voltage stability is critical. The lower slew rate (1.5 V/µs) and bandwidth (1.6 MHz) reflect this design trade-off. Selection of this part should be based on application requirements for precision rather than high-speed performance.
Q4: Are all substitute parts available in the same packaging options?
A: No. The AD8529ARZ is available in Tube and Cut Tape & Digi-Reel® formats. The LTC6241 series is available in multiple packaging options (Tube, Cut Tape & Digi-Reel®, and Tape & Reel) depending on variant. The OPA2735AID is available in Tube packaging, while OPA2735AIDR is available in Cut Tape & Digi-Reel® format. Packaging selection should align with assembly process requirements and procurement volume.
Q5: What is the significance of MSL (Moisture Sensitivity Level) rating?
A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. MSL 2 (1 Year) requires controlled storage conditions and has a one-year shelf life from the date of manufacture. The OPA2735 series carries MSL 2 rating, necessitating proper storage in dry conditions and tracking of manufacturing dates. All other recommended substitutes carry MSL 1 rating.
Q6: Can the LTC6241HVCS8#PBF be used in applications requiring -40°C to 125°C operation?
A: No. The LTC6241HVCS8#PBF is specified for 0°C to 70°C operating temperature range only. For applications requiring -40°C to 125°C operation, the LTC6241HVHS8#PBF or LTC6241HVHS8#TRPBF variants must be selected. Using a part outside its specified operating temperature range voids reliability guarantees and may result in functional failure.
Q7: What is the supply voltage compatibility range for all substitute parts?
A: The AD8529ARZ operates from 2.7 V to 12 V. The LTC6241 series operates from 2.8 V to 11 V. The OPA2735 series operates from 2.7 V to 12 V. All variants accommodate the original MCP6H82T-E/SN supply range of 3.5 V to 12 V. However, if the application uses supply voltages below 3.5 V, the AD8529ARZ or OPA2735 series should be selected, as the LTC6241 series minimum is 2.8 V.
Q8: Are there any pin-to-pin differences between the MCP6H82T-E/SN and substitute parts?
A: All recommended substitutes maintain 8-SOIC package format with identical pin count and spacing (0.154", 3.90mm width). Pin-to-pin compatibility is preserved for all substitutes. However, internal circuit topology differs (general-purpose vs. CMOS vs. zero-drift), which may affect circuit behavior in specific applications. Functional validation is required.
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