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AD8601ART-REEL7 Equivalent & Substitute Parts
Part Overview
The AD8601ART-REEL7 is a general-purpose operational amplifier manufactured by Analog Devices Inc., designed for rail-to-rail applications in SOT-23-5 surface mount packaging. This device features a gain bandwidth product of 8.4 MHz, slew rate of 6V/µs, and operates across a supply voltage range of 2.7V to 5.5V with an operating temperature range of -40°C to 125°C.
The AD8601ART-REEL7 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production runs and legacy system support. Direct equivalents and functionally compatible alternatives are available from multiple manufacturers with active product status.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Output Type | Rail-to-Rail | — |
| Gain Bandwidth Product | 8.4 | MHz |
| Slew Rate | 6 | V/µs |
| Current - Input Bias | 0.2 | pA |
| Voltage - Input Offset | 80 | µV |
| Current - Supply | 750 | µA |
| Current - Output / Channel | 50 | mA |
| Voltage - Supply Span (Min) | 2.7 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Package / Case | SC-74A, SOT-753 | — |
| Supplier Device Package | SOT-23-5 | — |
| Mounting Type | Surface Mount | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the AD8601ART-REEL7 is determined by electrical and mechanical compatibility across the following critical parameters:
Electrical Compatibility Criteria:
- Amplifier type (General Purpose)
- Number of circuits (1)
- Output type (Rail-to-Rail)
- Supply voltage range overlap (minimum 2.7V to 5.5V or compatible subset)
- Operating temperature range (minimum -40°C to 125°C or compatible subset)
- Package type (SOT-23-5 / SC-74A / SOT-753)
Performance Parameters: Substitute parts are grouped based on gain bandwidth product, slew rate, input bias current, and output current capability. Parts with lower performance specifications remain functionally compatible for applications not requiring the full 8.4 MHz bandwidth or 6V/µs slew rate of the original device.
Mechanical Compatibility: All substitute parts listed maintain identical surface mount packaging (SOT-23-5), enabling direct PCB layout compatibility without redesign.
Product Status: The direct equivalent AD8601ARTZ-REEL7 maintains identical electrical specifications and active product status, providing the preferred substitution path. Alternative manufacturers' parts offer functional compatibility with trade-offs in specific performance metrics.
Parameter Comparison
| Part Number | Manufacturer | Product Status | GBW (MHz) | Slew Rate (V/µs) | Input Bias (pA/nA) | Input Offset (µV/mV) | Supply Current (µA) | Output Current (mA) | Supply Span (V) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|
| AD8601ART-REEL7 | Analog Devices Inc. | Obsolete | 8.4 | 6 | 0.2 pA | 80 µV | 750 | 50 | 2.7–5.5 | -40 to 125 | SOT-23-5 |
| AD8601ARTZ-REEL7 | Analog Devices Inc. | Active | 8.4 | 6 | 0.2 pA | 80 µV | 750 | 50 | 2.7–5.5 | -40 to 125 | SOT-23-5 |
| LMV821M5 | National Semiconductor | Active | 5.6 | 2 | 40 nA | 1 mV | 300 | 45 | 2.5–5.5 | -40 to 85 | SOT-23-5 |
| LMV821M5X/NOPB | National Semiconductor | Active | 5.6 | 2 | 100 nA | 3.5 mV | 300 | — | 2.5–5.5 | -40 to 85 | SOT-23-5 |
| MAX4321EUK+T | Analog Devices Inc./Maxim Integrated | Active | 5 | 2 | 50 nA | 1.2 mV | 725 | — | 2.4–6.5 | -40 to 85 | SOT-23-5 |
| MAX4322EUK+T | Analog Devices Inc./Maxim Integrated | Active | 5 | 2 | 50 nA | 1.2 mV | 725 | — | 2.4–6.5 | -40 to 85 | SOT-23-5 |
| MCP6281RT-E/OT | Microchip Technology | Active | 5 | 2.5 | 1 pA | 3 mV | 450 | 25 | 2.2–6 | -40 to 125 | SOT-23-5 |
| MCP6281T-E/OT | Microchip Technology | Active | 5 | 2.5 | 1 pA | 3 mV | 450 | 25 | 2.2–6 | -40 to 125 | SOT-23-5 |
| MCP6481T-E/OT | Microchip Technology | Active | 4 | 2.7 | 1 pA | 1.5 mV | 240 | 12 | 2.2–5.5 | -40 to 125 | SOT-23-5 |
| MCP6491T-E/OT | Microchip Technology | Active | 7.5 | 6 | 1 pA | 1.5 mV | 530 | 15 | 2.4–5.5 | -40 to 125 | SOT-23-5 |
| NCS2003ASN2T1G | onsemi | Active | 7 | 12.5 | 1 pA | 500 µV | 300 | 96 | 1.7–5.5 | -40 to 85 | SOT-23-5 |
Engineering Selection Recommendations
Direct Equivalent (Preferred): The AD8601ARTZ-REEL7 is the direct equivalent of the AD8601ART-REEL7, maintaining identical electrical specifications and packaging. This part carries active product status and ROHS3 compliance, making it the primary substitution choice for applications requiring exact performance matching.
High-Performance Alternative: The MCP6491T-E/OT from Microchip Technology provides the closest performance match to the original device, with a gain bandwidth product of 7.5 MHz and slew rate of 6V/µs. This part maintains the full operating temperature range (-40°C to 125°C) and carries ROHS3 compliance and REACH Unaffected status.
Reduced-Performance Alternatives: Parts including LMV821M5, LMV821M5X/NOPB, MAX4321EUK+T, MAX4322EUK+T, MCP6281RT-E/OT, MCP6281T-E/OT, and MCP6481T-E/OT offer functional compatibility with reduced bandwidth and slew rate specifications. These alternatives are suitable for applications where the full 8.4 MHz bandwidth and 6V/µs slew rate are not required.
Extended Supply Voltage Range: The MAX4321EUK+T and MAX4322EUK+T support an extended supply voltage range of 2.4V to 6.5V, providing additional flexibility for applications requiring operation beyond the standard 2.7V to 5.5V range.
Low-Temperature Operation Limitation: The NCS2003ASN2T1G from onsemi operates at a minimum supply voltage of 1.7V, the lowest among all listed alternatives, but is limited to -40°C to 85°C operating temperature, excluding it from applications requiring the full -40°C to 125°C range.
Compliance and Certifications: All active substitute parts listed carry ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. The MCP6281RT-E/OT, MCP6281T-E/OT, MCP6481T-E/OT, and MCP6491T-E/OT additionally carry REACH Unaffected status.
Frequently Asked Questions (FAQ)
Q: Can the AD8601ARTZ-REEL7 be used as a direct replacement for the AD8601ART-REEL7?
A: Yes. The AD8601ARTZ-REEL7 is the direct equivalent with identical electrical specifications, packaging, and pin configuration. The primary difference is product status (Active vs. Obsolete) and packaging format (Digi-Reel vs. standard reel). No circuit modifications are required.
Q: What is the key difference between the AD8601ART-REEL7 and the MCP6491T-E/OT?
A: Both devices share similar gain bandwidth product (8.4 MHz vs. 7.5 MHz) and slew rate (6V/µs). The MCP6491T-E/OT has lower supply current (530µA vs. 750µA) and lower output current capability (15 mA vs. 50 mA). The MCP6491T-E/OT is suitable for applications where the full 50 mA output current is not required.
Q: Are all substitute parts compatible with the same PCB layout?
A: Yes. All substitute parts listed use identical SOT-23-5 surface mount packaging (SC-74A, SOT-753), enabling direct PCB layout compatibility without redesign or rework.
Q: Which substitute part has the lowest power consumption?
A: The MCP6481T-E/OT has the lowest supply current at 240µA, compared to 750µA for the original AD8601ART-REEL7. This part is suitable for battery-powered or low-power applications where reduced current draw is beneficial.
Q: Can I use the LMV821M5 in an application requiring -40°C to 125°C operation?
A: No. The LMV821M5 is rated for -40°C to 85°C operation only. For applications requiring the full -40°C to 125°C temperature range, use the AD8601ARTZ-REEL7, MCP6281RT-E/OT, MCP6281T-E/OT, MCP6481T-E/OT, or MCP6491T-E/OT.
Q: What is the difference between MCP6281T-E/OT and MCP6281RT-E/OT?
A: Both parts have identical electrical specifications. The primary difference is packaging format: MCP6281T-E/OT is supplied in Cut Tape (CT) & Digi-Reel format, while MCP6281RT-E/OT is supplied in Tape & Reel (TR) format. Electrical performance and pin configuration are identical.
Q: Which substitute part offers the highest output current capability?
A: The NCS2003ASN2T1G from onsemi provides the highest output current at 96 mA, compared to 50 mA for the original AD8601ART-REEL7. However, this part is limited to -40°C to 85°C operation and should be selected only for applications not requiring the full temperature range.
Q: Are all substitute parts RoHS compliant?
A: All active substitute parts listed carry ROHS3 compliance. The original AD8601ART-REEL7 (Obsolete) does not specify RoHS status in the provided data.
Q: What is the minimum supply voltage for each substitute part?
A: Supply voltage minimums range from 1.7V (NCS2003ASN2T1G) to 2.7V (AD8601ARTZ-REEL7). For applications requiring operation at 2.7V or higher, all listed parts are compatible. For applications requiring operation below 2.4V, only the NCS2003ASN2T1G is suitable.
Q: Can I use the MAX4321EUK+T in a 6V supply application?
A: Yes. The MAX4321EUK+T supports supply voltages up to 6.5V, making it suitable for 6V applications. The original AD8601ART-REEL7 is limited to 5.5V maximum, so the MAX4321EUK+T provides extended voltage range capability.
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