LMC6036IMTX Equivalent & Substitute Parts

Part Overview

The LMC6036IMTX is a CMOS quad operational amplifier manufactured by Texas Instruments, housed in a 14-TSSOP surface mount package. This device features four independent low-power differential amplifier circuits with rail-to-rail output capability, designed for applications requiring low input bias current and low power consumption across a 2V to 15.5V supply range.

The LMC6036IMTX is classified as an obsolete product. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production and maintenance of systems utilizing this amplifier configuration.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	4	—
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 (4 Channels)	1.3	mA
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	14-TSSOP (0.173", 4.40mm Width)	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the LMC6036IMTX is determined by strict compatibility across the following critical parameters:

Package Compatibility: All substitute parts must use the 14-TSSOP surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts.

Circuit Configuration: All substitutes must provide four independent amplifier circuits in a single package.

Output Configuration: All substitutes must feature rail-to-rail output capability.

Supply Voltage Range: Substitute parts must operate within or encompass the 2V to 15.5V supply range of the original part. Parts with narrower ranges may be used only if the application operates entirely within that narrower range.

Amplifier Classification: Substitutes are grouped into two categories: CMOS amplifiers (direct functional equivalents) and general-purpose amplifiers (functional alternatives with different performance characteristics).

The substitute parts identified are:

LMC6036IMTX/NOPB — Direct equivalent with identical electrical specifications and active product status
AD8664ARUZ and AD8664ARUZ-REEL — CMOS amplifiers with enhanced performance characteristics
AD8669ARUZ and AD8669ARUZ-REEL — General-purpose amplifiers with lower power consumption
MCP6H74-E/ST — General-purpose amplifier with alternative performance profile

Parameter Comparison

Parameter	LMC6036IMTX	LMC6036IMTX/NOPB	AD8664ARUZ	AD8664ARUZ-REEL	AD8669ARUZ	AD8669ARUZ-REEL	MCP6H74-E/ST
Amplifier Type	CMOS	CMOS	CMOS	CMOS	General Purpose	General Purpose	General Purpose
Number of Circuits	4	4	4	4	4	4	4
Output Type	Differential, Rail-to-Rail	Differential, Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	1.5	1.5	3.5	3.5	0.3	0.3	2
Gain Bandwidth Product (MHz)	1.4	1.4	4	4	0.54	0.54	2.7
Current - Input Bias (pA)	0.02	0.02	0.3	0.3	0.3	0.3	10
Voltage - Input Offset (µV)	500	500	50	50	40	40	1000
Current - Supply (mA, 4 Channels)	1.3	1.3	1.25	1.25	0.23	0.23	0.48
Current - Output / Channel (mA)	8	8	140	140	50	50	53
Voltage - Supply Span Min (V)	2	2	5	5	5	5	3.5
Voltage - Supply Span Max (V)	15.5	15.5	16	16	16	16	12
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125
Package / Case	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	Non-compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent (Recommended for Pin-Compatible Replacement):

The LMC6036IMTX/NOPB is the direct equivalent substitute. It maintains identical electrical specifications, the same 14-TSSOP package, and four independent CMOS amplifier circuits. This part transitions from obsolete to active product status, ensuring long-term availability. The LMC6036IMTX/NOPB is suitable for direct substitution in all applications where the original LMC6036IMTX was specified.

Enhanced Performance Alternative (CMOS Category):

The AD8664ARUZ and AD8664ARUZ-REEL are CMOS amplifiers offering improved performance metrics: 3.5V/µs slew rate (versus 1.5V/µs), 4MHz gain bandwidth product (versus 1.4MHz), and 140mA output current per channel (versus 8mA). These parts are ROHS3 compliant and rated to 125°C. The minimum supply voltage is 5V, which is higher than the original 2V minimum. These substitutes are suitable for applications requiring higher speed and output drive capability, provided the 5V minimum supply voltage is compatible with the system design.

Low Power Alternative (General Purpose Category):

The AD8669ARUZ and AD8669ARUZ-REEL are general-purpose amplifiers with significantly reduced supply current: 230µA total (versus 1.3mA). These parts feature 0.3V/µs slew rate and 540kHz gain bandwidth product, representing lower speed performance. The minimum supply voltage is 5V. These substitutes are suitable for battery-powered or ultra-low-power applications where the reduced bandwidth and slew rate are acceptable.

Alternative General Purpose Option:

The MCP6H74-E/ST is a general-purpose amplifier with 2V/µs slew rate and 2.7MHz gain bandwidth product. Supply current is 480µA. The supply voltage range is 3.5V to 12V, which is narrower than the original part. This substitute is suitable for applications operating within the 3.5V to 12V range where moderate performance and lower power consumption are required.

Compliance Considerations:

All substitute parts except LMC6036IMTX/NOPB are ROHS3 compliant. The original LMC6036IMTX is RoHS non-compliant. If RoHS compliance is a requirement for new designs or production, any of the active substitute parts satisfy this requirement. All parts listed carry REACH Unaffected status and EAR99 export classification.

Frequently Asked Questions (FAQ)

Q: Can the LMC6036IMTX/NOPB be used as a direct replacement for the LMC6036IMTX?

A: Yes. The LMC6036IMTX/NOPB is electrically and mechanically identical to the LMC6036IMTX. Both parts feature the same four CMOS amplifier circuits, identical electrical specifications, and the same 14-TSSOP package. The primary difference is product status: LMC6036IMTX/NOPB is active, ensuring continued availability.

Q: What is the key difference between the AD8664ARUZ and AD8669ARUZ substitutes?

A: Both are Analog Devices quad amplifiers in 14-TSSOP packages. The AD8664ARUZ is a CMOS amplifier with higher speed (3.5V/µs slew rate, 4MHz bandwidth) and higher output current (140mA per channel). The AD8669ARUZ is a general-purpose amplifier with lower speed (0.3V/µs slew rate, 540kHz bandwidth) and significantly lower supply current (230µA total). Selection depends on whether the application requires higher speed and drive capability or lower power consumption.

Q: Are all substitute parts compatible with the original 2V minimum supply voltage?

A: No. The LMC6036IMTX/NOPB maintains the 2V minimum supply voltage. The AD8664ARUZ, AD8664ARUZ-REEL, AD8669ARUZ, and AD8669ARUZ-REEL all require a minimum 5V supply. The MCP6H74-E/ST requires a minimum 3.5V supply. If the application operates at 2V to 5V, only the LMC6036IMTX/NOPB is compatible. For applications operating above 5V, all substitutes are compatible.

Q: What is the maximum operating temperature for each substitute?

A: The LMC6036IMTX and LMC6036IMTX/NOPB are rated to 85°C. All other substitutes (AD8664ARUZ, AD8664ARUZ-REEL, AD8669ARUZ, AD8669ARUZ-REEL, and MCP6H74-E/ST) are rated to 125°C. If the application requires operation above 85°C, the LMC6036IMTX/NOPB cannot be used; alternative substitutes must be selected based on other compatibility criteria.

Q: Are there packaging differences between the substitute parts?

A: All substitute parts use the 14-TSSOP surface mount package, ensuring mechanical compatibility with existing PCB layouts. Packaging options differ: LMC6036IMTX/NOPB is supplied in standard packaging; AD8664ARUZ is supplied in Tube; AD8664ARUZ-REEL is supplied in Cut Tape & Digi-Reel; AD8669ARUZ is supplied in Tube; AD8669ARUZ-REEL is supplied in Tape & Reel; MCP6H74-E/ST is supplied in Tube. These differences affect handling and assembly processes but do not affect electrical or mechanical compatibility.

Q: Which substitute is recommended for new designs?

A: For new designs, the AD8664ARUZ or AD8664ARUZ-REEL are recommended if higher speed and output drive capability are acceptable. These parts are ROHS3 compliant, rated to 125°C, and offer superior performance metrics. If the application requires operation at supply voltages below 5V, the LMC6036IMTX/NOPB must be used. If ultra-low power consumption is critical, the AD8669ARUZ or AD8669ARUZ-REEL are appropriate, accepting the trade-off in bandwidth and slew rate.

Q: What is the significance of the "/NOPB" designation in LMC6036IMTX/NOPB?

A: The "/NOPB" suffix indicates "No Plumbum" (no lead), signifying RoHS compliance. This designation distinguishes the lead-free version from earlier leaded versions of the same part number.

Q: Can the MCP6H74-E/ST be used in applications requiring operation above 12V?

A: No. The MCP6H74-E/ST has a maximum supply voltage of 12V. Applications requiring operation above 12V must use alternative substitutes: LMC6036IMTX/NOPB (15.5V max), AD8664ARUZ (16V max), AD8664ARUZ-REEL (16V max), AD8669ARUZ (16V max), or AD8669ARUZ-REEL (16V max).

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message