LMC6462BIMX Equivalent & Substitute Parts

Part Overview

The LMC6462BIMX 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 operates across a 3V to 15.5V supply voltage range. The product is currently classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and production continuity.

Key Parameters

Parameter	Value
Amplifier Type	CMOS
Number of Circuits	2
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	50 µA (x2 Channels)
Current - Output / Channel	75 mA
Voltage - Supply Span (Min)	3 V
Voltage - Supply Span (Max)	15.5 V
Operating Temperature	-40°C ~ 85°C (TJ)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the LMC6462BIMX is determined by the following critical parameters: dual-channel configuration, CMOS amplifier topology, rail-to-rail output capability, 8-SOIC package format, and surface mount mounting type. The supply voltage range (3V to 15.5V), slew rate (0.028 V/µs), gain bandwidth product (50 kHz), and output current capability (75 mA per channel) establish the functional performance envelope for direct substitution.

The identified substitute parts are grouped into two categories:

Direct Equivalent (Same Manufacturer): LMC6462BIMX/NOPB maintains identical electrical specifications and packaging, with the primary distinction being active product status and improved RoHS compliance.

Cross-Manufacturer Substitute (Analog Devices): LT1466LCS8#PBF and LT1466LCS8#TRPBF are general-purpose dual amplifiers with rail-to-rail output in 8-SOIC packaging. These parts exhibit different electrical characteristics within the dual-channel, rail-to-rail amplifier category, including higher slew rate, increased gain bandwidth product, and lower input bias current.

Parameter Comparison

Parameter	LMC6462BIMX	LMC6462BIMX/NOPB	LT1466LCS8#PBF	LT1466LCS8#TRPBF
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.
Number of Circuits	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Amplifier Type	CMOS	CMOS	General Purpose	General Purpose
Slew Rate	0.028 V/µs	0.028 V/µs	0.04 V/µs	0.04 V/µs
Gain Bandwidth Product	50 kHz	50 kHz	120 kHz	120 kHz
Current - Input Bias	0.15 pA	0.15 pA	3 nA	3 nA
Voltage - Input Offset	250 µV	250 µV	110 µV	110 µV
Current - Supply	50 µA (x2 Channels)	50 µA (x2 Channels)	60 µA (x2 Channels)	60 µA (x2 Channels)
Current - Output / Channel	75 mA	75 mA	18 mA	18 mA
Voltage - Supply Span (Min)	3 V	3 V	2 V	2 V
Voltage - Supply Span (Max)	15.5 V	15.5 V	10 V	10 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C	0°C ~ 70°C
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Obsolete	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

LMC6462BIMX/NOPB is the preferred direct substitute for the obsolete LMC6462BIMX. This part maintains identical electrical specifications and 8-SOIC packaging while offering active product status and ROHS3 compliance. Selection of this part eliminates obsolescence risk and satisfies modern regulatory requirements without circuit redesign.

LT1466LCS8#PBF and LT1466LCS8#TRPBF are suitable substitutes where design specifications permit tolerance of the following parameter variations: higher slew rate (0.04 V/µs versus 0.028 V/µs), increased gain bandwidth product (120 kHz versus 50 kHz), lower input bias current (3 nA versus 0.15 pA), lower input offset voltage (110 µV versus 250 µV), reduced output current per channel (18 mA versus 75 mA), and narrower supply voltage range (2V to 10V versus 3V to 15.5V). These Analog Devices parts are active products with ROHS3 compliance. The LT1466LCS8#TRPBF is supplied in Tape & Reel packaging, while LT1466LCS8#PBF is supplied in Tube packaging.

Selection between LT1466LCS8#PBF and LT1466LCS8#TRPBF depends on procurement and assembly requirements; both parts are electrically identical.

Frequently Asked Questions (FAQ)

Q: Can LMC6462BIMX/NOPB be used as a direct replacement for LMC6462BIMX?

A: Yes. LMC6462BIMX/NOPB is a direct equivalent with identical electrical specifications, package format, and pin configuration. The primary differences are active product status and ROHS3 compliance. No circuit modifications are required.

Q: What are the key differences between LMC6462BIMX and LT1466LCS8 series?

A: The LT1466LCS8 series exhibits higher performance in several parameters: slew rate is 42.9% higher (0.04 V/µs), gain bandwidth product is 140% higher (120 kHz), input bias current is 20,000 times lower (3 nA), and input offset voltage is 56% lower (110 µV). However, output current per channel is 76% lower (18 mA), and the maximum supply voltage is reduced from 15.5V to 10V. The LT1466LCS8 operates over a narrower temperature range (0°C to 70°C versus -40°C to 85°C).

Q: Are the LT1466LCS8#PBF and LT1466LCS8#TRPBF electrically identical?

A: Yes. Both parts are electrically identical. The difference is packaging format: LT1466LCS8#PBF is supplied in Tube packaging, while LT1466LCS8#TRPBF is supplied in Tape & Reel format. Selection depends on production volume and assembly equipment compatibility.

Q: Can LT1466LCS8 be used in applications requiring the full 15.5V supply voltage of LMC6462BIMX?

A: No. The LT1466LCS8 maximum supply voltage is 10V. Applications requiring operation above 10V must use LMC6462BIMX or LMC6462BIMX/NOPB.

Q: Can LT1466LCS8 be used in applications requiring -40°C operation?

A: No. The LT1466LCS8 operating temperature range is 0°C to 70°C. Applications requiring operation below 0°C must use LMC6462BIMX or LMC6462BIMX/NOPB.

Q: Can LT1466LCS8 be used in applications requiring 75 mA output current per channel?

A: No. The LT1466LCS8 output current per channel is 18 mA. Applications requiring 75 mA output current must use LMC6462BIMX or LMC6462BIMX/NOPB.

Q: What is the significance of the /NOPB suffix on LMC6462BIMX/NOPB?

A: The /NOPB suffix indicates the part is supplied without plumbum (lead-free), confirming ROHS3 compliance. This designation distinguishes the part from legacy lead-containing versions.

Q: Are all substitute parts available in 8-SOIC packaging?

A: Yes. All identified substitutes are available in 8-SOIC (0.154", 3.90mm Width) surface mount packaging, ensuring mechanical and electrical compatibility with existing PCB layouts.

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