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MAX480CPA Equivalent & Substitute Parts
Part Overview
The MAX480CPA is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, packaged in 8-DIP (0.300", 7.62mm) through-hole configuration. This device is classified as obsolete, with 2304 units currently in stock. The MAX480CPA operates across a wide supply voltage range of 1.6V to 36V and is designed for applications requiring low-power general-purpose amplification. Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity, long-term availability assurance, and potential performance improvements in new designs.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Slew Rate | 0.012 | V/µs |
| Current - Input Bias | 1 | nA |
| Voltage - Input Offset | 25 | µV |
| Current - Supply | 14 | µA |
| Current - Output / Channel | 5 | mA |
| Voltage - Supply Span (Min) | 1.6 | V |
| Voltage - Supply Span (Max) | 36 | V |
| Operating Temperature | 0 to 70 | °C |
| Mounting Type | Through Hole | — |
| Package / Case | 8-DIP (0.300", 7.62mm) | — |
| RoHS Status | RoHS non-compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the MAX480CPA is determined by strict alignment of electrical and mechanical parameters within the 8-DIP package form factor. The primary substitution criteria are:
Mechanical Compatibility: All substitute parts must use 8-DIP (0.300", 7.62mm) through-hole packaging to ensure direct PCB footprint compatibility.
Electrical Operating Range: Substitute parts must support the supply voltage span of 1.6V to 36V minimum. Parts with lower minimum supply voltage or lower maximum supply voltage are not acceptable substitutes.
Amplifier Classification: The MAX480CPA is a general-purpose amplifier. Instrumentation amplifiers (AD621ANZ, AD621BNZ, AMP02FPZ, INA114AP, INA129PA) represent a different amplifier class with enhanced specifications but maintain functional compatibility in general-purpose applications due to their superior performance characteristics and wider operating temperature ranges.
Performance Parameters: Key electrical parameters including slew rate, input bias current, input offset voltage, supply current, and output current determine substitution viability. Parts with equal or superior performance in these parameters are acceptable substitutes.
Product Status and Compliance: Active product status and RoHS3 compliance of substitute parts provide design assurance and long-term availability compared to the obsolete MAX480CPA.
Parameter Comparison
| Parameter | MAX480CPA | OP90GPZ | AD621ANZ | AD621BNZ | AMP02FPZ | INA114AP | INA129PA |
|---|---|---|---|---|---|---|---|
| Amplifier Type | General Purpose | General Purpose | Instrumentation | Instrumentation | Instrumentation | Instrumentation | Instrumentation |
| Number of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Slew Rate (V/µs) | 0.012 | 0.012 | 1.2 | 1.2 | 6 | 0.6 | 4 |
| Current - Input Bias (nA) | 1 | 4 | 0.5 | 0.5 | 4 | 0.5 | 2 |
| Voltage - Input Offset (µV) | 25 | 125 | 75 | 50 | 40 | 25 | 25 |
| Current - Supply (µA) | 14 | 14 | 900 | 900 | 5000 | 2200 | 700 |
| Current - Output / Channel (mA) | 5 | 5 | 18 | 18 | 32 | 20 | 15 |
| Voltage - Supply Span (Min) (V) | 1.6 | 1.6 | 4.6 | 4.6 | 9 | 4.5 | 4.5 |
| Voltage - Supply Span (Max) (V) | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
| Operating Temperature (°C) | 0 to 70 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
Primary Substitute - OP90GPZ: The OP90GPZ is the closest functional equivalent to the MAX480CPA. Both devices are general-purpose amplifiers with identical slew rate (0.012V/µs), supply current (14µA), output current (5mA), and supply voltage range (1.6V to 36V). The OP90GPZ maintains the same 8-DIP package configuration. The primary advantage of OP90GPZ is its active product status and ROHS3 compliance, providing long-term design assurance and regulatory alignment. The OP90GPZ operates across an extended temperature range (-40°C to 85°C) compared to the MAX480CPA (0°C to 70°C), offering improved environmental performance.
Secondary Substitutes - Instrumentation Amplifiers (AD621ANZ, AD621BNZ, AMP02FPZ, INA114AP, INA129PA): These instrumentation amplifiers are functionally compatible with the MAX480CPA in general-purpose applications. All maintain 8-DIP package compatibility and support the full 36V maximum supply voltage. These devices offer superior performance characteristics including higher slew rates, lower input bias currents, and extended operating temperature ranges. Selection among instrumentation amplifier substitutes depends on specific application requirements:
- AD621BNZ provides the lowest input offset voltage (50µV) among instrumentation options with moderate supply current (900µA).
- AMP02FPZ offers the highest slew rate (6V/µs) and output current (32mA) for high-speed applications, though it requires minimum 9V supply.
- INA114AP balances performance with moderate supply current (2.2mA) and maintains the lowest input offset voltage (25µV) matching the MAX480CPA.
- INA129PA provides high slew rate (4V/µs) with moderate supply current (700µA) and input offset voltage (25µV).
All substitute parts are ROHS3 compliant and carry active product status, ensuring regulatory compliance and long-term availability.
Frequently Asked Questions (FAQ)
Q: Can the OP90GPZ directly replace the MAX480CPA without circuit modifications?
A: Yes. The OP90GPZ is a direct pin-compatible replacement with identical electrical specifications for slew rate, supply current, output current, and supply voltage range. Both devices use 8-DIP packaging. No circuit modifications are required for functional substitution.
Q: Why are instrumentation amplifiers listed as substitutes for a general-purpose amplifier?
A: Instrumentation amplifiers are a specialized class of operational amplifiers with enhanced performance characteristics. They are functionally compatible with general-purpose amplifiers in applications where their superior specifications (higher slew rate, lower input bias current, lower input offset voltage) provide performance benefits. Instrumentation amplifiers can operate in general-purpose configurations while offering improved accuracy and speed.
Q: What is the minimum supply voltage requirement for each substitute?
A: OP90GPZ requires 1.6V minimum (matching MAX480CPA). AD621ANZ and AD621BNZ require 4.6V minimum. INA114AP and INA129PA require 4.5V minimum. AMP02FPZ requires 9V minimum. Applications operating below 4.5V must use OP90GPZ or MAX480CPA.
Q: Are all substitute parts RoHS compliant?
A: All substitute parts listed (OP90GPZ, AD621ANZ, AD621BNZ, AMP02FPZ, INA114AP, INA129PA) are ROHS3 compliant. The original MAX480CPA is RoHS non-compliant. Designs requiring RoHS compliance must transition to one of the listed substitutes.
Q: What is the temperature operating range difference between MAX480CPA and substitutes?
A: The MAX480CPA operates from 0°C to 70°C. All substitute parts operate from -40°C to 85°C, providing extended low-temperature and high-temperature performance. Applications requiring operation below 0°C or above 70°C must use substitute parts.
Q: Which substitute offers the lowest power consumption?
A: The OP90GPZ matches the MAX480CPA at 14µA supply current. Among instrumentation amplifiers, INA129PA offers the lowest supply current at 700µA. AMP02FPZ has the highest supply current at 5mA. For ultra-low-power applications, OP90GPZ is the optimal choice.
Q: Can AMP02FPZ be used in applications with supply voltages below 9V?
A: No. AMP02FPZ requires a minimum supply voltage of 9V. Applications operating at lower supply voltages must use OP90GPZ (1.6V minimum), AD621ANZ/AD621BNZ (4.6V minimum), or INA114AP/INA129PA (4.5V minimum).
Q: What is the inventory status of substitute parts?
A: OP90GPZ has 1363 units in stock. AD621ANZ has 3700 units. AD621BNZ has 3127 units. AMP02FPZ has 2958 units. INA114AP has 6646 units (highest availability). INA129PA has 2998 units. All substitute parts are available as new original stock.
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