LMC662AIN/NOPB Equivalent & Substitute Parts

Part Overview

The LMC662AIN/NOPB is a CMOS dual-channel operational amplifier manufactured by Texas Instruments, housed in an 8-PDIP through-hole package. This device features push-pull, rail-to-rail output configuration with a slew rate of 1.1V/µs and gain bandwidth product of 1.4 MHz. The part is classified as Last Time Buy, indicating discontinued production status. Identification of equivalent and substitute parts is necessary to ensure design continuity and procurement availability for applications currently utilizing this component.

Key Parameters

Parameter	Value
Manufacturer Part Number	LMC662AIN/NOPB
Manufacturer	Texas Instruments
Category	Linear, Amplifiers
Amplifier Type	CMOS
Number of Circuits	2
Output Type	Push-Pull, Rail-to-Rail
Slew Rate	1.1V/µs
Gain Bandwidth Product	1.4 MHz
Current - Input Bias	0.002 pA
Voltage - Input Offset	1 mV
Current - Supply	750µA (x2 Channels)
Current - Output / Channel	40 mA
Voltage - Supply Span (Min)	4.75 V
Voltage - Supply Span (Max)	15.5 V
Operating Temperature	-40°C ~ 85°C (TJ)
Mounting Type	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)
Product Status	Last Time Buy
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution compatibility for the LMC662AIN/NOPB is determined by the following critical parameters:

Primary Compatibility Criteria:

Amplifier Type: CMOS
Number of Circuits: 2
Mounting Type: Through Hole
Package / Case: 8-DIP (0.300", 7.62mm)
Output Type: Rail-to-Rail (minimum requirement)
Voltage - Supply Span: Minimum 4.75V to 15.5V maximum
Operating Temperature Range: Minimum -40°C to 85°C

Secondary Performance Parameters:

Slew Rate: 1.1V/µs or greater
Gain Bandwidth Product: 1.4 MHz or greater
Current - Output / Channel: 40 mA or greater
Current - Supply: 750µA or less per channel (preferred for power efficiency)

Substitute parts must maintain identical or superior electrical performance within the specified supply voltage and temperature ranges. All identified substitutes are manufactured by Texas Instruments and comply with ROHS3 and REACH requirements.

Parameter Comparison

Parameter	LMC662AIN/NOPB	LMC662AIMX/NOPB	TLC2202CP	TLC2202IP	TLC2272CP	TLC2272IP
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Amplifier Type	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Number of Circuits	2	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	Rail-to-Rail
Slew Rate	1.1V/µs	1.1V/µs	2.7V/µs	2.7V/µs	3.6V/µs	3.6V/µs
Gain Bandwidth Product	1.4 MHz	1.4 MHz	1.9 MHz	1.9 MHz	2.25 MHz	2.25 MHz
Current - Input Bias	0.002 pA	0.002 pA	4 µA	4 µA	1 pA	1 pA
Voltage - Input Offset	1 mV	1 mV	2 mV	2 mV	300 µV	300 µV
Current - Supply	750µA (x2)	750µA (x2)	5.6mA (x2)	5.6mA (x2)	2.4mA (x2)	2.4mA (x2)
Current - Output / Channel	40 mA	40 mA	50 mA	50 mA	50 mA	50 mA
Voltage - Supply Span (Min)	4.75 V	4.75 V	4.6 V	4.6 V	4.4 V	4.4 V
Voltage - Supply Span (Max)	15.5 V	15.5 V	16 V	16 V	16 V	16 V
Operating Temperature	-40°C ~ 85°C (TJ)	-40°C ~ 85°C (TJ)	0°C ~ 70°C	-40°C ~ 85°C	0°C ~ 70°C (TA)	-40°C ~ 125°C (TA)
Mounting Type	Through Hole	Surface Mount	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)	8-SOIC (0.154", 3.90mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)
Product Status	Last Time Buy	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Package Equivalent (Recommended for Through-Hole Applications):

TLC2202IP and TLC2272IP are the primary substitutes for LMC662AIN/NOPB when through-hole mounting is required. Both parts maintain the 8-DIP package format and through-hole mounting type. TLC2202IP provides active product status with extended operating temperature range (-40°C ~ 85°C), matching the original part's temperature specification. TLC2272IP extends the upper temperature limit to 125°C and offers superior electrical performance with lower input offset voltage (300 µV vs. 1 mV) and higher slew rate (3.6V/µs vs. 1.1V/µs).

Surface Mount Alternative:

LMC662AIMX/NOPB is the direct electrical equivalent of LMC662AIN/NOPB with identical performance specifications. This part is available in active product status with 8-SOIC surface-mount packaging. Selection of this part requires PCB redesign to accommodate surface-mount assembly.

Performance-Enhanced Substitutes:

TLC2202CP and TLC2272CP offer improved electrical performance characteristics. TLC2202CP provides higher slew rate (2.7V/µs) and gain bandwidth product (1.9 MHz) with increased output current capability (50 mA vs. 40 mA). TLC2272CP delivers the highest performance metrics with 3.6V/µs slew rate, 2.25 MHz gain bandwidth product, and superior input characteristics (1 pA input bias, 300 µV input offset). Both parts are active products with ROHS3 compliance.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original LMC662AIN/NOPB. Inventory availability is confirmed for all identified substitutes, with TLC2272IP and TLC2272CP offering the highest stock levels (1108 and 1614 units respectively).

Frequently Asked Questions (FAQ)

Q: Can TLC2202CP be used as a direct replacement for LMC662AIN/NOPB in existing through-hole PCB designs?

A: TLC2202CP is compatible with LMC662AIN/NOPB from a package and mounting perspective, as both use 8-DIP through-hole configuration. However, the operating temperature range differs: TLC2202CP operates 0°C ~ 70°C, while LMC662AIN/NOPB operates -40°C ~ 85°C. Verify that your application does not require the extended low-temperature performance of the original part.

Q: What is the primary difference between TLC2272IP and TLC2272CP?

A: Both parts are electrically identical with 8-DIP through-hole packaging. The primary difference is operating temperature range: TLC2272CP operates 0°C ~ 70°C, while TLC2272IP operates -40°C ~ 125°C. Selection depends on the thermal requirements of your application.

Q: Why is LMC662AIMX/NOPB listed as a substitute if it uses surface-mount packaging?

A: LMC662AIMX/NOPB is electrically and functionally identical to LMC662AIN/NOPB, with the same performance specifications and active product status. It is listed as a substitute for applications where PCB redesign to surface-mount assembly is feasible. This option provides access to a part with confirmed long-term availability.

Q: Which substitute part offers the best performance improvement over LMC662AIN/NOPB?

A: TLC2272IP provides the most significant performance enhancement, featuring 3.6V/µs slew rate (versus 1.1V/µs), 2.25 MHz gain bandwidth product (versus 1.4 MHz), and superior input characteristics with 1 pA input bias and 300 µV input offset. This part also supports the widest operating temperature range (-40°C ~ 125°C) and maintains through-hole 8-DIP packaging.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all identified substitute parts (LMC662AIMX/NOPB, TLC2202CP, TLC2202IP, TLC2272CP, and TLC2272IP) are ROHS3 compliant and REACH unaffected, matching the compliance status of LMC662AIN/NOPB.

Q: What supply voltage range must be maintained when substituting parts?

A: The minimum supply voltage across all parts is 4.4V (TLC2272 series), and the maximum is 16V (TLC2202 and TLC2272 series). LMC662AIN/NOPB operates 4.75V ~ 15.5V. Ensure your application supply voltage falls within the overlapping range of 4.75V ~ 15.5V to maintain compatibility with all substitute options.

Q: Can TLC2202IP replace LMC662AIN/NOPB in applications requiring -40°C operation?

A: Yes, TLC2202IP supports the full operating temperature range of -40°C ~ 85°C, matching LMC662AIN/NOPB. Both parts use 8-DIP through-hole packaging and maintain compatible supply voltage specifications (4.6V ~ 16V for TLC2202IP versus 4.75V ~ 15.5V for LMC662AIN/NOPB).

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