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LMC662CMX Equivalent & Substitute Parts
Part Overview
The LMC662CMX is a CMOS dual-channel operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device features push-pull, rail-to-rail output configuration with a slew rate of 1.1 V/µs and gain bandwidth product of 1.4 MHz. The LMC662CMX is classified as obsolete product status, necessitating identification of functionally equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain compatibility with the 8-SOIC package format and satisfy the electrical performance envelope defined by the original specification.
Substiute Parts
Key Parameters
| Parameter | LMC662CMX | Unit |
|---|---|---|
| Amplifier Type | CMOS | — |
| Number of Circuits | 2 | — |
| Output Type | Push-Pull, Rail-to-Rail | — |
| Slew Rate | 1.1 | V/µs |
| Gain Bandwidth Product | 1.4 | MHz |
| Current - Input Bias | 0.002 | pA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply (x2 Channels) | 750 | µA |
| Current - Output / Channel | 40 | mA |
| Voltage - Supply Span (Min) | 4.75 | V |
| Voltage - Supply Span (Max) | 15.5 | V |
| Operating Temperature | 0 to 70 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the LMC662CMX are selected based on strict electrical and mechanical compatibility criteria. All substitute devices must satisfy the following requirements:
Mandatory Compatibility Criteria:
- Package format: 8-SOIC (0.154", 3.90mm Width)
- Mounting type: Surface Mount
- Number of circuits: 2
- Output configuration: Rail-to-Rail
- Supply voltage range: Minimum 4.75 V to maximum 15.5 V (or compatible subset)
- Moisture Sensitivity Level: 1 (Unlimited)
- RoHS3 Compliance
Electrical Performance Envelope: Substitute parts must operate within the defined supply voltage span and maintain rail-to-rail output capability. Input bias current, input offset voltage, slew rate, and gain bandwidth product are secondary selection criteria that may vary based on application requirements.
Product Status Consideration: The LMC662CMX is obsolete. Active product alternatives from Texas Instruments, Analog Devices Inc., onsemi, and Microchip Technology are available as direct replacements or functional equivalents.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (mV) | Supply Current (µA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LMC662CMX | Texas Instruments | Obsolete | CMOS | 1.1 | 1.4 | 0.002 | 1 | 750 | 40 | 4.75 | 15.5 | 0 to 70 | 8-SOIC |
| LMC662CMX/NOPB | Texas Instruments | Active | CMOS | 1.1 | 1.4 | 0.002 | 1 | 750 | 40 | 4.75 | 15.5 | 0 to 70 | 8-SOIC |
| AD8662ARZ | Analog Devices Inc. | Active | CMOS | 3.5 | 4 | 0.3 | 0.05 | 1250 | 140 | 5 | 16 | -40 to 125 | 8-SOIC |
| AD8662ARZ-REEL | Analog Devices Inc. | Active | CMOS | 3.5 | 4 | 0.3 | 0.05 | 1250 | 140 | 5 | 16 | -40 to 125 | 8-SOIC |
| AD8662ARZ-REEL7 | Analog Devices Inc. | Active | CMOS | 3.5 | 4 | 0.3 | 0.05 | 1250 | 140 | 5 | 16 | -40 to 125 | 8-SOIC |
| AD8667ARZ | Analog Devices Inc. | Active | General Purpose | 0.3 | 0.54 | 0.3 | 0.04 | 230 | 50 | 5 | 16 | -40 to 125 | 8-SOIC |
| AD8667ARZ-REEL | Analog Devices Inc. | Active | General Purpose | 0.3 | 0.54 | 0.3 | 0.04 | 230 | 50 | 5 | 16 | -40 to 125 | 8-SOIC |
| AD8667ARZ-REEL7 | Analog Devices Inc. | Active | General Purpose | 0.3 | 0.54 | 0.3 | 0.04 | 230 | 50 | 5 | 16 | -40 to 125 | 8-SOIC |
| MC33202DR2G | onsemi | Active | General Purpose | 1 | 2.2 | 80 | 8 | 900 | 80 | 1.8 | 12 | -40 to 105 | 8-SOIC |
| MCP6H02-E/SN | Microchip Technology | Active | General Purpose | 0.8 | 1.2 | 10 | 0.7 | 135 | 50 | 3.5 | 16 | -40 to 125 | 8-SOIC |
| MCP6H02T-E/SN | Microchip Technology | Active | General Purpose | 0.8 | 1.2 | 10 | 0.7 | 135 | 50 | 3.5 | 16 | -40 to 125 | 8-SOIC |
Engineering Selection Recommendations
Direct Replacement (Identical Electrical Specification):
LMC662CMX/NOPB is the active product variant of the obsolete LMC662CMX. This part maintains identical electrical characteristics, supply voltage range, and operating temperature specification. The primary difference is product status (Active vs. Obsolete) and packaging format (Cut Tape & Digi-Reel® vs. standard packaging). This part is recommended for designs requiring no electrical modification and is RoHS3 compliant with MSL 1 rating.
Enhanced Performance Alternatives (CMOS Technology):
The AD8662ARZ, AD8662ARZ-REEL, and AD8662ARZ-REEL7 devices from Analog Devices Inc. provide superior electrical performance within the CMOS amplifier category. These parts offer higher slew rate (3.5 V/µs vs. 1.1 V/µs), increased gain bandwidth product (4 MHz vs. 1.4 MHz), and higher output current capability (140 mA vs. 40 mA). Supply voltage range is 5 V to 16 V, which encompasses the LMC662CMX minimum requirement. Operating temperature range extends to -40°C to 125°C. All variants are RoHS3 compliant with MSL 1 rating and active product status.
General Purpose Amplifier Alternatives:
AD8667ARZ, AD8667ARZ-REEL, and AD8667ARZ-REEL7 from Analog Devices Inc., along with MC33202DR2G from onsemi and MCP6H02-E/SN and MCP6H02T-E/SN from Microchip Technology, are general purpose amplifier alternatives. These devices maintain 8-SOIC package format, rail-to-rail output, and dual-channel configuration. Supply voltage ranges accommodate the LMC662CMX specification. All alternatives are active products with RoHS3 compliance and MSL 1 rating. Selection among these alternatives depends on specific application requirements for slew rate, gain bandwidth product, and supply current characteristics.
Compliance and Certification:
All substitute parts listed maintain RoHS3 compliance, REACH unaffected status, and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols.
Frequently Asked Questions (FAQ)
Q: Can LMC662CMX/NOPB be used as a direct replacement for LMC662CMX?
A: Yes. LMC662CMX/NOPB is the active product equivalent with identical electrical specifications, supply voltage range (4.75 V to 15.5 V), operating temperature (0°C to 70°C), and 8-SOIC package format. The primary difference is product status and packaging format (Cut Tape & Digi-Reel®).
Q: What are the key differences between LMC662CMX and AD8662ARZ?
A: Both devices are CMOS dual-channel amplifiers in 8-SOIC packages with rail-to-rail output. AD8662ARZ provides higher slew rate (3.5 V/µs vs. 1.1 V/µs), higher gain bandwidth product (4 MHz vs. 1.4 MHz), and higher output current (140 mA vs. 40 mA). AD8662ARZ supply voltage range is 5 V to 16 V and operating temperature is -40°C to 125°C. These enhanced specifications make AD8662ARZ suitable for applications requiring faster response and higher drive capability.
Q: Are the AD8667ARZ variants suitable replacements for LMC662CMX?
A: AD8667ARZ, AD8667ARZ-REEL, and AD8667ARZ-REEL7 are general purpose amplifiers, not CMOS amplifiers. They maintain 8-SOIC package format, dual-channel configuration, and rail-to-rail output. However, they feature lower slew rate (0.3 V/µs vs. 1.1 V/µs) and lower gain bandwidth product (540 kHz vs. 1.4 MHz). These devices are suitable for applications where lower bandwidth and reduced power consumption are acceptable trade-offs.
Q: What is the difference between AD8662ARZ, AD8662ARZ-REEL, and AD8662ARZ-REEL7?
A: These three part numbers represent the same device with identical electrical specifications. The differences are in packaging format: AD8662ARZ is supplied in Tube, AD8662ARZ-REEL is supplied in Tape & Reel (TR), and AD8662ARZ-REEL7 is supplied in Cut Tape (CT) & Digi-Reel®. Selection depends on manufacturing process requirements and inventory management preferences.
Q: Can MC33202DR2G replace LMC662CMX in all applications?
A: MC33202DR2G is a general purpose amplifier with 8-SOIC package and dual-channel rail-to-rail output. Supply voltage range is 1.8 V to 12 V, which overlaps with LMC662CMX range but does not extend to the full 15.5 V maximum. Input bias current is significantly higher (80 nA vs. 0.002 pA). MC33202DR2G is suitable for applications within the 1.8 V to 12 V supply range where higher input bias current is acceptable.
Q: What packaging options are available for substitute parts?
A: Substitute parts are available in multiple packaging formats: Tube, Tape & Reel (TR), and Cut Tape (CT) & Digi-Reel®. All devices maintain the 8-SOIC (0.154", 3.90mm Width) package case format. Selection of packaging format depends on manufacturing process, automated assembly requirements, and inventory management protocols.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed in this reference maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage requirements.
Q: What is the operating temperature range for substitute parts?
A: LMC662CMX operates from 0°C to 70°C. Most substitute parts extend this range to -40°C to 125°C, providing broader environmental operating capability. MC33202DR2G operates from -40°C to 105°C. Selection depends on application temperature requirements.
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