LMC6035IM Equivalent & Substitute Parts

Part Overview

The LMC6035IM is a CMOS dual-channel operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device features rail-to-rail output capability and differential output configuration, designed for low-power analog signal processing applications. The LMC6035IM is classified as obsolete, necessitating identification of active substitute components that maintain functional and electrical compatibility for ongoing production and maintenance requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	Channels
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 (per channel)	650	µA
Current - Output / Channel	8	mA
Voltage - Supply Span (Min)	2	V
Voltage - Supply Span (Max)	15.5	V
Operating Temperature Range	−40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	Non-compliant	—

Substitute Part Grouping Explanation

Substitution of the LMC6035IM is determined by the following critical parameters:

Primary Compatibility Criteria:

Package type: 8-SOIC surface mount form factor (0.154", 3.90mm width)
Number of circuits: Dual-channel configuration
Output configuration: Rail-to-rail capability
Amplifier topology: CMOS technology
Supply voltage range: Minimum 2V to maximum 15.5V overlap required
Operating temperature: Minimum −40°C to maximum 85°C coverage

Secondary Performance Parameters:

Slew rate: 1.5 V/µs baseline
Gain bandwidth product: 1.4 MHz baseline
Input bias current: 0.02 pA baseline
Input offset voltage: 500 µV baseline
Output current capability: 8 mA per channel baseline
Supply current: 650 µA per channel baseline

Substitute parts are grouped into two categories based on functional alignment:

Category A - Direct Functional Equivalents: Parts maintaining CMOS topology, dual-channel configuration, and rail-to-rail output with comparable performance metrics within the LMC6035IM operating envelope.

Category B - Performance-Enhanced Alternatives: Parts with improved specifications (higher slew rate, greater bandwidth, lower offset voltage, higher output current) that maintain backward compatibility through superior electrical characteristics and expanded operating ranges.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Status
LMC6035IM	Texas Instruments	CMOS	1.5	1.4	0.02	500	650	8	2	15.5	−40 to 85	Obsolete
AD8662ARZ	Analog Devices	CMOS	3.5	4	0.3	50	1.25	140	5	16	−40 to 125	Active
AD8662ARZ-REEL	Analog Devices	CMOS	3.5	4	0.3	50	1.25	140	5	16	−40 to 125	Active
AD8662ARZ-REEL7	Analog Devices	CMOS	3.5	4	0.3	50	1.25	140	5	16	−40 to 125	Active
ADA4665-2ARZ-R7	Analog Devices	CMOS	1	1.2	0.1	1000	290	30	5	16	−40 to 125	Active
ALD2701BSAL	Advanced Linear Devices	CMOS	1	1	1	5000	240	1	2	10	0 to 70	Active
ALD2704SAL	Advanced Linear Devices	CMOS	5	2.1	1	5000	5	15	6.5	10	0 to 70	Active
MCP6H72T-E/SN	Microchip Technology	General Purpose	2	2.7	10	1000	480	53	3.5	12	−40 to 125	Active
TS912AIDT	STMicroelectronics	CMOS	1.3	1.4	1	5000	230	75	2.7	16	−40 to 125	Active
TS912AIYDT	STMicroelectronics	CMOS	1.3	1.4	1	5000	230	75	2.7	16	−40 to 125	Active

Engineering Selection Recommendations

Category A - Direct Functional Equivalents (Recommended Primary Substitutes):

TS912AIDT / TS912AIYDT (STMicroelectronics): These components provide the closest functional alignment to the LMC6035IM. Both maintain CMOS topology, dual-channel configuration, 1.4 MHz gain bandwidth product, and 1.3 V/µs slew rate within 13% of the original specification. Supply voltage range (2.7 V to 16 V) encompasses the LMC6035IM operating envelope. Operating temperature extends to 125°C, exceeding the original −40°C to 85°C range. Output current capability (75 mA per channel) significantly exceeds the 8 mA baseline. Both devices are AEC-Q100 qualified and RoHS3 compliant. TS912AIDT is available in Cut Tape & Digi-Reel packaging with 18,802 units in stock. TS912AIYDT is available with 4,802 units in stock.

ADA4665-2ARZ-R7 (Analog Devices): This CMOS dual-channel amplifier operates within the LMC6035IM supply range (5 V to 16 V minimum overlap). Gain bandwidth product (1.2 MHz) and slew rate (1 V/µs) are within acceptable tolerance of the original specification. Input bias current (0.1 pA) is superior. Operating temperature range (−40°C to 125°C) exceeds original specifications. Output current (30 mA per channel) provides 3.75× improvement over baseline. RoHS3 compliant. 6,170 units available in Cut Tape & Digi-Reel packaging.

Category B - Performance-Enhanced Alternatives:

AD8662ARZ / AD8662ARZ-REEL / AD8662ARZ-REEL7 (Analog Devices): These variants offer significant performance enhancement with 3.5 V/µs slew rate (2.33× improvement), 4 MHz gain bandwidth product (2.86× improvement), and 140 mA output current per channel (17.5× improvement). Supply range (5 V to 16 V) requires minimum 5 V operation, exceeding the LMC6035IM 2 V minimum. Operating temperature (−40°C to 125°C) extends beyond original range. RoHS3 compliant. Available in three packaging options: Tube (2,722 units), Tape & Reel (3,900 units), and Cut Tape & Digi-Reel (12,200 units).

MCP6H72T-E/SN (Microchip Technology): General-purpose amplifier topology with 2.7 MHz gain bandwidth product and 2 V/µs slew rate. Supply range (3.5 V to 12 V) overlaps LMC6035IM envelope above 3.5 V. Output current (53 mA per channel) provides 6.6× improvement. Operating temperature (−40°C to 125°C) exceeds original range. RoHS3 compliant. 1,086 units available in Tape & Reel packaging.

Limited Compatibility Options:

ALD2701BSAL (Advanced Linear Devices): Maintains 2 V minimum supply voltage matching LMC6035IM baseline. However, maximum supply voltage (10 V) restricts operation in applications requiring 15.5 V. Operating temperature range (0°C to 70°C) does not cover the full −40°C to 85°C specification. Output current (1 mA per channel) is significantly reduced. RoHS3 compliant. 721 units available in Tube packaging.

ALD2704SAL (Advanced Linear Devices): Push-pull output configuration differs from LMC6035IM differential output. Supply range (6.5 V to 10 V) does not encompass the 2 V minimum requirement. Operating temperature (0°C to 70°C) is restricted. RoHS3 compliant. 752 units available in Tube packaging.

Compliance Status: All active substitute parts are RoHS3 compliant, addressing the non-compliant status of the obsolete LMC6035IM. All substitute parts are REACH unaffected and classified as EAR99 for export control purposes.

Frequently Asked Questions (FAQ)

Q1: Can the TS912AIDT directly replace the LMC6035IM in existing designs?

A: The TS912AIDT is functionally compatible for applications operating within the overlapping parameter envelope. Both devices use 8-SOIC packaging, dual CMOS amplifier topology, and 1.4 MHz gain bandwidth product. The TS912AIDT supply range (2.7 V to 16 V) encompasses the LMC6035IM range (2 V to 15.5 V) above 2.7 V. For applications requiring operation below 2.7 V, alternative substitutes must be evaluated. The TS912AIDT provides superior output current (75 mA vs. 8 mA), which benefits high-impedance load applications.

Q2: What is the primary limitation of the ALD2701BSAL as a substitute?

A: The ALD2701BSAL maintains the 2 V minimum supply voltage of the LMC6035IM but restricts maximum supply to 10 V, eliminating compatibility with applications requiring 15.5 V operation. Additionally, the operating temperature range (0°C to 70°C) does not cover the full −40°C to 85°C specification of the original device. Output current capability (1 mA per channel) is substantially reduced, making this option unsuitable for applications requiring the 8 mA baseline output current.

Q3: Why do the AD8662 variants require minimum 5 V supply operation?

A: The AD8662 series specifies a minimum supply voltage of 5 V, which exceeds the LMC6035IM 2 V minimum. This restriction eliminates compatibility with low-voltage applications operating between 2 V and 5 V. However, for applications already operating at 5 V or higher, the AD8662 variants provide significant performance advantages including 3.5 V/µs slew rate, 4 MHz bandwidth, and 140 mA output current per channel.

Q4: Is the MCP6H72T-E/SN suitable for applications requiring −40°C operation?

A: Yes. The MCP6H72T-E/SN operating temperature range (−40°C to 125°C) covers the full LMC6035IM specification (−40°C to 85°C). However, the minimum supply voltage (3.5 V) exceeds the LMC6035IM 2 V minimum, restricting compatibility to applications operating at 3.5 V or higher. The device is classified as general-purpose amplifier topology rather than CMOS, but maintains dual-channel, rail-to-rail output configuration.

Q5: What packaging options are available for the recommended substitutes?

A: TS912AIDT is available in Cut Tape & Digi-Reel packaging. TS912AIYDT is available in standard packaging. ADA4665-2ARZ-R7 is available in Cut Tape & Digi-Reel packaging. AD8662ARZ variants are available in three options: Tube (AD8662ARZ), Tape & Reel (AD8662ARZ-REEL), and Cut Tape & Digi-Reel (AD8662ARZ-REEL7). MCP6H72T-E/SN is available in Tape & Reel packaging. All substitute parts maintain the 8-SOIC (0.154", 3.90mm width) surface mount form factor.

Q6: Which substitute provides the best low-voltage performance below 3 V?

A: The TS912AIDT and TS912AIYDT support operation down to 2.7 V, providing the closest alignment to the LMC6035IM 2 V minimum specification among active alternatives. The ALD2701BSAL also supports 2 V minimum operation but is limited to 10 V maximum supply and 0°C to 70°C temperature range. For applications requiring operation below 2.7 V, the LMC6035IM design must be re-evaluated for alternative topologies.

Q7: Are all substitute parts RoHS compliant?

A: Yes. All active substitute parts listed are RoHS3 compliant, addressing the non-compliant status of the obsolete LMC6035IM. This compliance status is mandatory for applications subject to RoHS directive requirements in the European Union and equivalent regulations in other jurisdictions.

Q8: What is the primary advantage of the AD8662 series over the TS912 series?

A: The AD8662 series provides significantly enhanced performance specifications: 3.5 V/µs slew rate (2.69× faster than TS912's 1.3 V/µs), 4 MHz gain bandwidth product (2.86× higher than TS912's 1.4 MHz), and 140 mA output current per channel (1.87× higher than TS912's 75 mA). These improvements benefit applications requiring faster signal processing, higher frequency response, and higher output current capability. The trade-off is a minimum 5 V supply requirement versus TS912's 2.7 V minimum.

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