LMC6462BIM CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The LMC6462BIM is a CMOS amplifier integrated circuit manufactured by Texas Instruments, featuring two independent rail-to-rail output circuits in an 8-SOIC surface mount package. This device is classified as Obsolete, indicating it has reached end-of-life status and is no longer in active production. The availability of equivalent and substitute parts is necessary to support ongoing system maintenance, design updates, and procurement continuity for applications requiring dual-channel CMOS amplification with rail-to-rail output capability.

Key Parameters

Parameter	Value	Unit
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 (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	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution of the LMC6462BIM is determined by strict equivalence across the following critical parameters: dual-channel configuration, CMOS amplifier topology, rail-to-rail output capability, 8-SOIC surface mount package, and compatible electrical specifications including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current capability, and supply voltage range.

The substitute parts are grouped into two categories:

Direct Equivalent (Same Manufacturer): LMC6462BIM/NOPB maintains identical electrical specifications and packaging, differing only in packaging format (Tube) and product status (Last Time Buy). This part is functionally interchangeable with the original LMC6462BIM.

Cross-Manufacturer Substitute (Analog Devices): LT1466LCS8#PBF and LT1466LCS8#TRPBF are general-purpose amplifiers that satisfy the core functional requirements of dual-channel, rail-to-rail operation in 8-SOIC packaging. These parts differ in amplifier classification (General Purpose vs. CMOS), slew rate (0.04 V/µs vs. 0.028 V/µs), gain bandwidth product (120 kHz vs. 50 kHz), input bias current (3 nA vs. 0.15 pA), and operating temperature range (0°C to 70°C vs. -40°C to 85°C). These differences must be evaluated against specific application requirements.

Parameter Comparison

Parameter	LMC6462BIM	LMC6462BIM/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
Slew Rate (V/µs)	0.028	0.028	0.04	0.04
Gain Bandwidth Product (kHz)	50	50	120	120
Current - Input Bias (pA)	0.15	0.15	3	3
Voltage - Input Offset (µV)	250	250	110	110
Current - Supply per Channel (µA)	50	50	60	60
Current - Output / Channel (mA)	75	75	18	18
Voltage - Supply Span Min (V)	3	3	2	2
Voltage - Supply Span Max (V)	15.5	15.5	10	10
Operating Temperature (°C)	-40 to 85	-40 to 85	0 to 70	0 to 70
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Obsolete	Last Time Buy	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

LMC6462BIM/NOPB is the direct equivalent substitute for the obsolete LMC6462BIM. This part maintains identical electrical specifications and 8-SOIC packaging. The primary distinction is product status (Last Time Buy), indicating limited future availability. Selection of LMC6462BIM/NOPB is appropriate for applications requiring exact electrical and thermal performance matching. RoHS3 compliance of this part addresses regulatory requirements not met by the original LMC6462BIM.

LT1466LCS8#PBF and LT1466LCS8#TRPBF are active production alternatives from Analog Devices Inc. These parts are suitable for applications where the following parameter variations are acceptable: higher slew rate (0.04 V/µs), higher gain bandwidth product (120 kHz), higher input bias current (3 nA), lower input offset voltage (110 µV), higher supply current per channel (60 µA), lower output current per channel (18 mA), lower maximum supply voltage (10 V), and narrower operating temperature range (0°C to 70°C). The LT1466LCS8#PBF is packaged in Tube format, while LT1466LCS8#TRPBF is supplied in Tape & Reel format. Both are ROHS3 compliant and in active production status, ensuring long-term availability.

Selection between LT1466LCS8#PBF and LT1466LCS8#TRPBF depends on procurement and assembly requirements: Tube packaging is suitable for lower-volume or manual assembly operations, while Tape & Reel packaging is optimized for automated pick-and-place assembly processes.

Frequently Asked Questions (FAQ)

Q: Can LMC6462BIM/NOPB be used as a direct replacement for LMC6462BIM?

A: Yes. LMC6462BIM/NOPB is electrically and mechanically identical to LMC6462BIM. Both parts feature the same dual-channel CMOS amplifier configuration, rail-to-rail output, 8-SOIC package, and all specified electrical parameters. The primary difference is packaging format (Tube vs. unspecified in original) and product status (Last Time Buy vs. Obsolete).

Q: What are the key differences between LMC6462BIM and LT1466LCS8 series?

A: The LT1466LCS8 series differs in four primary areas: (1) Amplifier classification is General Purpose rather than CMOS; (2) Slew rate is higher at 0.04 V/µs compared to 0.028 V/µs; (3) Gain bandwidth product is higher at 120 kHz compared to 50 kHz; (4) Operating temperature range is narrower at 0°C to 70°C compared to -40°C to 85°C. Additionally, LT1466LCS8 has lower output current capability (18 mA vs. 75 mA) and lower maximum supply voltage (10 V vs. 15.5 V).

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

A: Yes. LT1466LCS8#PBF and LT1466LCS8#TRPBF are electrically identical. The difference is packaging format only: LT1466LCS8#PBF is supplied in Tube packaging, while LT1466LCS8#TRPBF is supplied in Tape & Reel format. Both are suitable for surface mount assembly and are ROHS3 compliant.

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

A: No. The LT1466LCS8 series has a minimum operating temperature of 0°C, making it unsuitable for applications requiring operation at -40°C. The LMC6462BIM and LMC6462BIM/NOPB support the full -40°C to 85°C temperature range.

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

A: No. The LT1466LCS8 series provides maximum output current of 18 mA per channel, which is insufficient for applications requiring 75 mA output current. The LMC6462BIM and LMC6462BIM/NOPB support 75 mA output current per channel.

Q: Can LT1466LCS8 be used in applications requiring 15.5 V supply voltage?

A: No. The LT1466LCS8 series has a maximum supply voltage of 10 V, making it unsuitable for applications requiring 15.5 V supply voltage. The LMC6462BIM and LMC6462BIM/NOPB support supply voltages up to 15.5 V.

Q: What is the significance of RoHS compliance in these parts?

A: LMC6462BIM is RoHS non-compliant, while LMC6462BIM/NOPB, LT1466LCS8#PBF, and LT1466LCS8#TRPBF are all ROHS3 compliant. RoHS3 compliance indicates the part meets Restriction of Hazardous Substances regulations and does not contain lead, mercury, cadmium, or other restricted substances. Selection of RoHS3 compliant parts is required for applications subject to environmental regulations or customer specifications mandating RoHS compliance.

Q: Which substitute part should be selected for new designs?

A: For new designs, LT1466LCS8#TRPBF (Tape & Reel format) is recommended due to active production status, ROHS3 compliance, and suitability for automated assembly. This part ensures long-term availability and regulatory compliance. Application-specific requirements regarding operating temperature range, output current capability, and maximum supply voltage must be verified against design specifications.

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