LMC6035IMX CMOS Dual Amplifier Equivalent & Substitute Parts

Part Overview

The LMC6035IMX is a CMOS dual-channel amplifier IC manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device features differential, rail-to-rail output configuration with a slew rate of 1.5V/µs and gain bandwidth product of 1.4 MHz. The LMC6035IMX is classified as obsolete product status, necessitating identification of active equivalent and substitute components for new designs and production continuity. Substitute parts must maintain compatibility across electrical performance parameters, mechanical packaging, and supply voltage ranges to ensure direct circuit board replacement capability.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	—
Output Type	Differential, Rail-to-Rail	—
Slew Rate	1.5	V/µs
Gain Bandwidth Product	1.4	MHz
Current - Input Bias	0.02	pA
Voltage - Input Offset	500	µV
Current - Supply (x2 Channels)	650	µA
Current - Output / Channel	8	mA
Voltage - Supply Span (Min)	2	V
Voltage - Supply Span (Max)	15.5	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution logic for the LMC6035IMX is based on the following critical parameters that define functional equivalence:

Primary Substitution Criteria:

Package type: 8-SOIC surface mount form factor
Number of circuits: Dual-channel configuration
Amplifier topology: CMOS technology
Output configuration: Rail-to-rail capability
Supply voltage range: Minimum 2V to maximum 15.5V overlap
Operating temperature range: Minimum -40°C coverage

Substitution Categories:

Category 1: Direct Packaging Equivalent (LMC6035IMX/NOPB) This part is the tape & reel packaged variant of the base LMC6035 design. Electrical specifications are identical to the main part. The primary distinction is packaging format (Tape & Reel vs. standard packaging) and product status transition from obsolete to active. This represents the most direct substitution path.

Category 2: Enhanced Performance Substitutes (AD8662 Series) The AD8662ARZ, AD8662ARZ-REEL, and AD8662ARZ-REEL7 from Analog Devices Inc. provide superior electrical performance while maintaining 8-SOIC packaging and dual-channel CMOS architecture. These parts feature higher slew rate (3.5V/µs vs. 1.5V/µs), increased gain bandwidth product (4 MHz vs. 1.4 MHz), lower input offset voltage (50 µV vs. 500 µV), and higher output current capability (140 mA vs. 8 mA). Supply voltage range is 5V to 16V, which overlaps the LMC6035IMX range. Operating temperature extends to 125°C. These substitutes are suitable for applications requiring improved dynamic performance within compatible supply constraints.

Category 3: Alternative Output Configuration Substitutes (ALD2702 Series) The ALD2702SAL, ALD2702ASAL, and ALD2702BSAL from Advanced Linear Devices Inc. feature push-pull, rail-to-rail output topology versus the differential output of the LMC6035IMX. These parts maintain 8-SOIC packaging, dual-channel CMOS architecture, and similar slew rate (2.8V/µs). Supply voltage range is 4V to 10V, which is a subset of the LMC6035IMX range. These substitutes are applicable where push-pull output configuration is acceptable and supply voltage remains within 4V to 10V bounds.

Category 4: Higher Performance Alternative (ALD2704SAL) The ALD2704SAL provides enhanced slew rate (5V/µs) and gain bandwidth product (2.1 MHz) with push-pull, rail-to-rail output. Supply voltage range is 6.5V to 10V. This substitute is suitable for applications requiring improved transient response within the specified voltage window.

Category 5: General Purpose Amplifier Substitutes (MCP6H72 Series) The MCP6H72-E/SN and MCP6H72T-E/SN from Microchip Technology are general purpose dual-channel amplifiers in 8-SOIC packaging with rail-to-rail output. These parts feature slew rate of 2V/µs and gain bandwidth product of 2.7 MHz. Supply voltage range is 3.5V to 12V. Operating temperature range extends to 125°C. These substitutes are applicable for general purpose amplification where the differential output specification of the LMC6035IMX is not required.

Parameter Comparison

Parameter	LMC6035IMX	LMC6035IMX/NOPB	AD8662ARZ	AD8662ARZ-REEL	AD8662ARZ-REEL7	ALD2702SAL	ALD2702ASAL	ALD2702BSAL	ALD2704SAL	MCP6H72-E/SN	MCP6H72T-E/SN
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Advanced Linear Devices Inc.	Advanced Linear Devices Inc.	Advanced Linear Devices Inc.	Advanced Linear Devices Inc.	Microchip Technology	Microchip Technology
Amplifier Type	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Output Type	Differential, Rail-to-Rail	Differential, Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Push-Pull, Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	1.5	1.5	3.5	3.5	3.5	2.8	2.8	2.8	5	2	2
Gain Bandwidth Product (MHz)	1.4	1.4	4	4	4	1.5	1.5	1.5	2.1	2.7	2.7
Current - Input Bias (pA)	0.02	0.02	0.3	0.3	0.3	1	1	1	1	10	10
Voltage - Input Offset (µV)	500	500	50	50	50	5000	5000	5000	5000	1000	1000
Current - Supply (µA, x2 Channels)	650	650	1250	1250	1250	2000	2000	2000	5000	480	480
Current - Output / Channel (mA)	8	8	140	140	140	8	8	8	15	53	53
Voltage - Supply Span Min (V)	2	2	5	5	5	4	4	4	6.5	3.5	3.5
Voltage - Supply Span Max (V)	15.5	15.5	16	16	16	10	10	10	10	12	12
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 125	0 to 70	0 to 70	0 to 70	0 to 70	-40 to 125	-40 to 125
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement with Identical Specifications: Select LMC6035IMX/NOPB. This part maintains 100% electrical and mechanical compatibility with the original LMC6035IMX while offering active product status and ROHS3 compliance. The transition from obsolete to active status ensures long-term supply availability and manufacturing support. Packaging format differs (Tape & Reel vs. standard), but electrical performance is identical.

For Enhanced Performance Applications (Supply Voltage 5V to 16V): The AD8662 series (AD8662ARZ, AD8662ARZ-REEL, AD8662ARZ-REEL7) provides superior dynamic performance with 2.5× higher slew rate, 2.9× higher gain bandwidth product, and 17.5× higher output current capability. These parts are suitable for applications where the LMC6035IMX supply voltage range overlaps (5V to 15.5V) and improved transient response is required. Extended operating temperature to 125°C provides additional thermal margin. All variants maintain 8-SOIC packaging and dual-channel CMOS architecture. Select packaging variant based on procurement requirements: tube (ARZ), tape & reel (ARZ-REEL), or cut tape with Digi-Reel (ARZ-REEL7).

For Push-Pull Output Configuration (Supply Voltage 4V to 10V): The ALD2702 series (ALD2702SAL, ALD2702ASAL, ALD2702BSAL) and ALD2704SAL provide push-pull output topology with active product status and ROHS3 compliance. These substitutes are applicable when differential output is not required and supply voltage remains within 4V to 10V. The ALD2702 variants offer slew rate of 2.8V/µs and gain bandwidth product of 1.5 MHz. The ALD2704SAL provides enhanced performance with 5V/µs slew rate and 2.1 MHz gain bandwidth product. Operating temperature range is 0°C to 70°C, which covers the LMC6035IMX range above 0°C.

For General Purpose Amplification (Supply Voltage 3.5V to 12V): The MCP6H72 series (MCP6H72-E/SN tube packaging, MCP6H72T-E/SN tape & reel packaging) offers general purpose dual-channel amplification with rail-to-rail output, active product status, and ROHS3 compliance. These parts feature extended operating temperature to 125°C and supply voltage range of 3.5V to 12V. Slew rate is 2V/µs and gain bandwidth product is 2.7 MHz. These substitutes are suitable for applications where differential output specification is not required and general purpose amplification performance is acceptable.

Compliance Considerations: All substitute parts listed are ROHS3 compliant, addressing the RoHS non-compliance status of the original LMC6035IMX. All parts maintain REACH unaffected status and EAR99 export classification. Moisture sensitivity level is 1 (unlimited) across all variants, indicating no special moisture handling requirements.

Frequently Asked Questions (FAQ)

Q1: Can LMC6035IMX/NOPB be used as a direct drop-in replacement for LMC6035IMX?

A: Yes. The LMC6035IMX/NOPB is electrically and functionally identical to the LMC6035IMX. The primary difference is packaging format (Tape & Reel vs. standard tube packaging) and product status (active vs. obsolete). All electrical parameters, pin configuration, and 8-SOIC package dimensions are identical. This is the recommended substitution for maintaining original circuit performance.

Q2: What are the key differences between the AD8662 series and the original LMC6035IMX?

A: The AD8662 series provides enhanced performance specifications: slew rate increases from 1.5V/µs to 3.5V/µs, gain bandwidth product increases from 1.4 MHz to 4 MHz, and output current capability increases from 8 mA to 140 mA per channel. Input offset voltage improves from 500 µV to 50 µV. Supply voltage range is 5V to 16V versus 2V to 15.5V for the LMC6035IMX. Operating temperature extends to 125°C. Output configuration changes from differential to single-ended rail-to-rail. These differences make AD8662 suitable for applications requiring higher performance within the 5V to 16V supply window.

Q3: Why would I select an ALD2702 variant instead of the LMC6035IMX/NOPB?

A: The ALD2702 series provides push-pull output topology, which differs from the differential output of the LMC6035IMX. Selection of ALD2702 variants is appropriate when circuit design requires push-pull output configuration and supply voltage is constrained to 4V to 10V. These parts offer active product status and ROHS3 compliance. Operating temperature range is 0°C to 70°C, which is narrower than the LMC6035IMX range.

Q4: Are all substitute parts compatible with the 8-SOIC package footprint?

A: Yes. All substitute parts listed are housed in 8-SOIC packages with identical dimensions (0.154" width, 3.90mm width). All parts are surface mount devices. Pin-to-pin compatibility must be verified against specific circuit schematic requirements, particularly regarding output configuration (differential vs. push-pull vs. single-ended rail-to-rail).

Q5: What supply voltage range is common to all substitute options?

A: The supply voltage range common to all substitutes and the original LMC6035IMX is 5V to 10V. The LMC6035IMX supports 2V to 15.5V, but not all substitutes cover this full range. The AD8662 series supports 5V to 16V, the ALD2702/ALD2704 series support 4V to 10V (or 6.5V to 10V for ALD2704), and the MCP6H72 series support 3.5V to 12V. Circuit design must verify that selected substitute operates within the required supply voltage window.

Q6: Which substitute offers the best RoHS compliance status?

A: All substitute parts listed are ROHS3 compliant. The original LMC6035IMX is RoHS non-compliant. Any substitute selection improves RoHS compliance status. All substitutes also maintain REACH unaffected status and EAR99 export classification.

Q7: What is the difference between AD8662ARZ, AD8662ARZ-REEL, and AD8662ARZ-REEL7?

A: These three variants are electrically identical. The differences are packaging format: AD8662ARZ is tube packaging, AD8662ARZ-REEL is tape & reel packaging, and AD8662ARZ-REEL7 is cut tape with Digi-Reel packaging. Selection depends on procurement and assembly process requirements. Tape & reel and cut tape formats are typically used for automated assembly, while tube packaging is used for manual assembly or lower-volume applications.

Q8: Can MCP6H72 series be used in applications requiring differential output?

A: No. The MCP6H72 series provides single-ended rail-to-rail output, not differential output. The original LMC6035IMX features differential, rail-to-Rail output. If differential output is a circuit requirement, MCP6H72 is not suitable. Select LMC6035IMX/NOPB, AD8662 series, or ALD2702/ALD2704 series depending on output configuration requirements.

Q9: What is the operating temperature range coverage for each substitute?

A: LMC6035IMX/NOPB: -40°C to 85°C (matches original). AD8662 series: -40°C to 125°C (extended). ALD2702/ALD2704 series: 0°C to 70°C (narrower). MCP6H72 series: -40°C to 125°C (extended). Circuit design must verify that selected substitute covers the required operating temperature range.

Q10: Are there any moisture sensitivity or handling differences between substitutes?

A: No. All parts listed, including the original LMC6035IMX, have moisture sensitivity level (MSL) of 1 (unlimited). This indicates no special moisture handling, baking, or storage requirements. All parts can be stored and handled under standard conditions.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message