LMC6462AIM Equivalent & Substitute Parts

Part Overview

The LMC6462AIM is a CMOS dual-channel operational amplifier manufactured by Texas Instruments, designed for rail-to-rail signal conditioning applications. This device features low input bias current (0.15 pA), making it suitable for high-impedance signal sources and precision measurement circuits. The part is classified as Obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity. Active alternatives with compatible electrical and mechanical specifications are available from both Texas Instruments and Analog Devices Inc.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	Channels
Output Type	Rail-to-Rail	—
Slew Rate	0.028	V/µs
Gain Bandwidth Product	50	kHz
Current - Input Bias	0.15	pA
Voltage - Input Offset	250	µV
Current - Supply (per Channel)	50	µA
Current - Output / Channel	75	mA
Voltage - Supply Span (Min)	3	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	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the LMC6462AIM is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Amplifier topology (CMOS vs. General Purpose)
Number of circuits (dual-channel requirement)
Output configuration (Rail-to-Rail)
Package type (8-SOIC surface mount)
Supply voltage range compatibility (minimum 3 V, maximum 15.5 V)
Operating temperature range (−40°C to +85°C minimum)

Substitution Groups:

Group 1: Direct Texas Instruments CMOS Equivalents LMC6462AIM/NOPB and LMC6462AIMX/NOPB maintain identical electrical specifications and CMOS topology. These parts differ only in packaging format (Tube vs. Cut Tape & Digi-Reel) and product status. LMC6462AIMX/NOPB is the manufacturer-recommended active alternative with highest inventory availability.

Group 2: Analog Devices General Purpose Alternatives LT1466LCS8#PBF and LT1466LCS8#TRPBF are General Purpose amplifiers with compatible package and pin configuration. These parts operate within the LMC6462AIM supply voltage range but feature different electrical characteristics: higher slew rate (0.04 V/µs vs. 0.028 V/µs), higher gain bandwidth product (120 kHz vs. 50 kHz), higher input bias current (3 nA vs. 0.15 pA), and lower maximum output current (18 mA vs. 75 mA). Operating temperature range is narrower (0°C to +70°C vs. −40°C to +85°C).

Parameter Comparison

Parameter	LMC6462AIM	LMC6462AIM/NOPB	LMC6462AIMX/NOPB	LT1466LCS8#PBF	LT1466LCS8#TRPBF
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	CMOS	CMOS	CMOS	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate (V/µs)	0.028	0.028	0.028	0.04	0.04
Gain Bandwidth Product (kHz)	50	50	50	120	120
Current - Input Bias (pA)	0.15	0.15	0.15	3	3
Voltage - Input Offset (µV)	250	250	250	110	110
Current - Supply per Channel (µA)	50	50	50	60	60
Current - Output / Channel (mA)	75	75	75	18	18
Voltage - Supply Span Min (V)	3	3	3	2	2
Voltage - Supply Span Max (V)	15.5	15.5	15.5	10	10
Operating Temperature (°C)	−40 to +85	−40 to +85	−40 to +85	0 to +70	0 to +70
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Obsolete	Last Time Buy	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

Select LMC6462AIMX/NOPB as the primary substitute. This part maintains 100% electrical and mechanical compatibility with the LMC6462AIM, operates across the full temperature range (−40°C to +85°C), and carries Active product status with highest inventory availability (20,200 units). The Cut Tape & Digi-Reel packaging format supports both prototype and production volume requirements. ROHS3 compliance and unlimited moisture sensitivity level (MSL 1) ensure compatibility with standard manufacturing processes.

Alternative Direct Replacement:

LMC6462AIM/NOPB provides identical specifications with Tube packaging. Product status is Last Time Buy, indicating limited future availability. This option is suitable for immediate procurement but not recommended for long-term design support.

For Applications Tolerating Electrical Differences:

LT1466LCS8#TRPBF (Tape & Reel) or LT1466LCS8#PBF (Tube) from Analog Devices Inc. are compatible substitutes when application requirements permit the following deviations:

Higher slew rate (0.04 V/µs) and gain bandwidth product (120 kHz) improve transient response
Higher input bias current (3 nA) may affect high-impedance signal conditioning accuracy
Lower maximum output current (18 mA) restricts load-driving capability
Narrower operating temperature range (0°C to +70°C) excludes extended low-temperature operation

Both LT1466 variants are Active products with adequate inventory. Selection between Tape & Reel and Tube packaging depends on procurement volume and assembly process requirements.

Frequently Asked Questions (FAQ)

Q: Can LMC6462AIMX/NOPB be used as a direct drop-in replacement for LMC6462AIM?

A: Yes. LMC6462AIMX/NOPB is electrically and mechanically identical to LMC6462AIM. Both are CMOS dual-channel amplifiers in 8-SOIC packages with identical pin assignments, electrical specifications, and operating ranges. The only difference is packaging format (Cut Tape & Digi-Reel vs. Tube). No circuit modifications are required.

Q: What are the key differences between LMC6462AIMX/NOPB and LT1466LCS8#TRPBF?

A: Both are dual-channel, rail-to-rail amplifiers in 8-SOIC packages. LMC6462AIMX/NOPB uses CMOS topology with 0.15 pA input bias current and 50 kHz bandwidth. LT1466LCS8#TRPBF uses General Purpose topology with 3 nA input bias current and 120 kHz bandwidth. The LT1466 has higher slew rate (0.04 V/µs vs. 0.028 V/µs) but lower output current capability (18 mA vs. 75 mA) and narrower temperature range (0°C to +70°C vs. −40°C to +85°C).

Q: Is the LT1466 suitable for high-impedance signal conditioning applications?

A: The LT1466 has 3 nanoampere input bias current, which is 20,000 times higher than the LMC6462AIM (0.15 pA). For applications requiring ultra-low input bias current, the LMC6462AIMX/NOPB is the appropriate choice. The LT1466 is suitable for general-purpose applications where input bias current is not a critical parameter.

Q: What is the difference between LT1466LCS8#PBF and LT1466LCS8#TRPBF?

A: Both parts are electrically identical. LT1466LCS8#PBF is supplied in Tube packaging, while LT1466LCS8#TRPBF is supplied in Tape & Reel format. Tube packaging is typical for lower-volume orders and manual assembly. Tape & Reel packaging is standard for automated pick-and-place assembly and higher production volumes.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. LMC6462AIMX/NOPB, LMC6462AIM/NOPB, LT1466LCS8#PBF, and LT1466LCS8#TRPBF are all ROHS3 compliant. All parts have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.

Q: Why is LMC6462AIM marked as Obsolete?

A: The LMC6462AIM has reached end-of-life status. Texas Instruments continues to offer the LMC6462AIMX/NOPB as the active replacement with identical specifications. Existing inventory of LMC6462AIM is available but limited. New designs should specify LMC6462AIMX/NOPB for long-term supply assurance.

Q: Can I use LT1466 in a circuit designed for LMC6462?

A: Mechanical compatibility is confirmed (8-SOIC package, identical pinout). Electrical compatibility depends on application requirements. If the circuit relies on ultra-low input bias current (0.15 pA), high output current (75 mA), extended temperature range (−40°C to +85°C), or low slew rate (0.028 V/µs), the LT1466 is not suitable. For general-purpose dual-channel amplification with higher bandwidth and faster slew rate, the LT1466 is compatible.

Q: What is the recommended part for new designs?

A: LMC6462AIMX/NOPB is the manufacturer-recommended choice for new designs. It is Active, has the highest inventory availability (20,200 units), maintains full compatibility with the obsolete LMC6462AIM, and supports both prototype and production requirements through Cut Tape & Digi-Reel packaging.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message