LMC6062IMX Equivalent & Substitute Parts

Part Overview

The LMC6062IMX 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 ultra-low input bias current characteristics. The LMC6062IMX is classified as "Not For New Designs," indicating it has been superseded in the product lifecycle. Identifying equivalent and substitute parts is necessary for legacy system maintenance, design continuity, and procurement flexibility when the primary part becomes unavailable or when design requirements necessitate alternative performance characteristics.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	—
Output Type	Push-Pull, Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Voltage - Supply Span (Min)	4.5	V
Voltage - Supply Span (Max)	15.5	V
Operating Temperature	-40 to 85	°C
Slew Rate	0.035	V/µs
Gain Bandwidth Product	100	kHz
Current - Input Bias	0.01	pA
Voltage - Input Offset	100	µV
Current - Supply (x2 Channels)	40	µA
Current - Output / Channel	35	mA
RoHS Status	RoHS non-compliant	—
Product Status	Not For New Designs	—

Substitute Part Grouping Explanation

Substitution of the LMC6062IMX is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Package / Case: 8-SOIC (0.154", 3.90mm Width) — mandatory for PCB compatibility
Number of Circuits: 2 — functional requirement
Mounting Type: Surface Mount — assembly process compatibility
Output Type: Rail-to-Rail — electrical interface requirement
Voltage Supply Range: Minimum 4.5 V to Maximum 15.5 V overlap — operational compatibility

Secondary Compatibility Parameters:

Operating Temperature Range: Must encompass or exceed -40°C to 85°C
Current - Output / Channel: Must equal or exceed 35 mA
Amplifier Type: CMOS preferred for parameter consistency; General Purpose acceptable if electrical specifications align

Substitute parts are grouped into two categories:

Category 1: Direct Equivalents (Texas Instruments LMC Series)

LMC6062IMX/NOPB: Identical electrical specifications, active product status, RoHS3 compliant packaging variant

Category 2: Cross-Manufacturer Alternatives (Analog Devices)

AD8662ARZ, AD8662ARZ-REEL, AD8662ARZ-REEL7: CMOS dual-channel, rail-to-rail, 8-SOIC package, active status
AD8667ARZ, AD8667ARZ-REEL, AD8667ARZ-REEL7: General Purpose dual-channel, rail-to-rail, 8-SOIC package, active status
AD8028ARZ-REEL7: General Purpose dual-channel, rail-to-rail, 8-SOIC package, active status

All substitute parts maintain identical package geometry and pin count, ensuring direct PCB footprint compatibility.

Parameter Comparison

Parameter	LMC6062IMX	LMC6062IMX/NOPB	AD8662ARZ-REEL7	AD8667ARZ-REEL7	AD8028ARZ-REEL7
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices	Analog Devices	Analog Devices
Amplifier Type	CMOS	CMOS	CMOS	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2
Output Type	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Package / Case	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Voltage - Supply Span (Min)	4.5 V	4.5 V	5 V	5 V	2.7 V
Voltage - Supply Span (Max)	15.5 V	15.5 V	16 V	16 V	12 V
Operating Temperature	-40 to 85°C	-40 to 85°C	-40 to 125°C	-40 to 125°C	-40 to 125°C
Slew Rate	0.035 V/µs	0.035 V/µs	3.5 V/µs	0.3 V/µs	100 V/µs
Gain Bandwidth Product	100 kHz	100 kHz	4 MHz	540 kHz	190 MHz
Current - Input Bias	0.01 pA	0.01 pA	0.3 pA	0.3 pA	4 µA
Voltage - Input Offset	100 µV	100 µV	50 µV	40 µV	200 µV
Current - Supply (x2 Channels)	40 µA	40 µA	1.25 mA	230 µA	6.5 mA
Current - Output / Channel	35 mA	35 mA	140 mA	50 mA	120 mA
Product Status	Not For New Designs	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

LMC6062IMX/NOPB is the primary substitute. This part maintains identical electrical specifications to the LMC6062IMX while offering active product status and RoHS3 compliance. The /NOPB designation indicates lead-free, halogen-free packaging. This substitution requires no circuit redesign and provides the highest compatibility assurance.

For Active Product Designs Requiring RoHS3 Compliance:

AD8662ARZ-REEL7 is suitable when CMOS amplifier characteristics are required and higher slew rate (3.5 V/µs) and gain bandwidth product (4 MHz) are acceptable. This part offers superior performance metrics and extended operating temperature range (-40°C to 125°C). Supply voltage range is 5 V to 16 V, which overlaps the LMC6062IMX range above 5 V.

AD8667ARZ-REEL7 provides general-purpose amplifier functionality with moderate performance enhancement (540 kHz gain bandwidth product, 0.3 V/µs slew rate) and active product status. Supply voltage range is 5 V to 16 V. This part is suitable for applications where the LMC6062IMX's ultra-low input bias current is not critical.

For High-Performance Applications:

AD8028ARZ-REEL7 offers significantly enhanced performance (100 V/µs slew rate, 190 MHz bandwidth) with general-purpose amplifier topology. Supply voltage range is 2.7 V to 12 V. This part is suitable only for applications where the maximum supply voltage requirement does not exceed 12 V and where higher bandwidth is beneficial.

Compliance Considerations:

All recommended substitutes carry RoHS3 compliance and active product status. The LMC6062IMX is RoHS non-compliant and not recommended for new designs. For legacy system maintenance, LMC6062IMX/NOPB provides the most direct path to compliance while maintaining identical performance.

Frequently Asked Questions (FAQ)

Q1: Can LMC6062IMX/NOPB be used as a direct drop-in replacement for LMC6062IMX?

A: Yes. LMC6062IMX/NOPB is electrically and mechanically identical to LMC6062IMX. The /NOPB designation indicates lead-free, halogen-free packaging compliant with RoHS3 standards. No circuit modifications are required. Pin configuration, package footprint, and all electrical specifications are identical.

Q2: What are the key differences between LMC6062IMX and AD8662ARZ-REEL7?

A: Both are dual-channel CMOS amplifiers in 8-SOIC packages with rail-to-rail output. Key differences: AD8662ARZ-REEL7 has higher slew rate (3.5 V/µs vs. 0.035 V/µs), higher gain bandwidth product (4 MHz vs. 100 kHz), higher input bias current (0.3 pA vs. 0.01 pA), and higher supply current (1.25 mA vs. 40 µA per channel). AD8662ARZ-REEL7 offers extended operating temperature (-40°C to 125°C vs. -40°C to 85°C) and is an active product.

Q3: When should AD8667ARZ-REEL7 be selected over AD8662ARZ-REEL7?

A: AD8667ARZ-REEL7 is a general-purpose amplifier with moderate performance characteristics (540 kHz bandwidth, 0.3 V/µs slew rate) and lower supply current (230 µA vs. 1.25 mA per channel). Select AD8667ARZ-REEL7 when the application does not require the higher bandwidth of AD8662ARZ-REEL7 and when lower power consumption is beneficial. Both parts share identical package and pin configuration.

Q4: Is AD8028ARZ-REEL7 suitable for all LMC6062IMX applications?

A: AD8028ARZ-REEL7 is suitable only for applications where the maximum supply voltage does not exceed 12 V. The LMC6062IMX supports supply voltages up to 15.5 V. AD8028ARZ-REEL7 offers significantly higher performance (100 V/µs slew rate, 190 MHz bandwidth) but has higher input bias current (4 µA) and higher supply current (6.5 mA per channel). Use AD8028ARZ-REEL7 only when supply voltage compatibility is confirmed and higher bandwidth is required.

Q5: Are all substitute parts available in the same packaging options?

A: All substitute parts are available in 8-SOIC surface mount package with identical footprint dimensions (0.154", 3.90mm width). Packaging variants differ: LMC6062IMX/NOPB is available in Cut Tape (CT) & Digi-Reel®; AD8662ARZ-REEL7 and AD8667ARZ-REEL7 are available in Cut Tape (CT) & Digi-Reel®; AD8028ARZ-REEL7 is available in Cut Tape (CT) & Digi-Reel®. All variants are compatible with standard surface mount assembly processes.

Q6: What is the impact of higher slew rate in AD8662ARZ-REEL7 on circuit design?

A: Higher slew rate (3.5 V/µs vs. 0.035 V/µs) reduces settling time and improves transient response. For applications designed around the LMC6062IMX's low slew rate, this change is generally beneficial and requires no circuit modifications. However, in sensitive analog circuits, faster slew rate may introduce additional high-frequency noise. Verify performance through testing if the application includes precision measurement or audio signal processing.

Q7: Can substitute parts be mixed in the same circuit?

A: Yes. All substitute parts share identical 8-SOIC package and pin configuration. Mixing different part numbers in the same circuit is permissible from a mechanical and electrical interface perspective. However, mixing parts with significantly different performance characteristics (e.g., LMC6062IMX with AD8028ARZ-REEL7) may introduce performance asymmetries. For dual-channel applications, using matched pairs is recommended for balanced performance.

Q8: What is the significance of RoHS3 compliance for legacy designs?

A: RoHS3 compliance indicates the part meets Restriction of Hazardous Substances standards, restricting lead, cadmium, mercury, and other hazardous materials. LMC6062IMX is RoHS non-compliant; all substitute parts are RoHS3 compliant. For new procurement, regulatory requirements, or system upgrades, RoHS3-compliant parts are mandatory. For legacy system maintenance, RoHS3-compliant substitutes provide environmental and regulatory alignment without performance compromise.

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