LMC6032IM CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The LMC6032IM is a dual-channel CMOS operational amplifier manufactured by Texas Instruments in 8-SOIC surface mount packaging. This device is classified as obsolete product status. The LMC6032IM operates across a wide supply voltage range of 4.75V to 15.5V with ultra-low input bias current of 0.04 pA, making it suitable for high-impedance signal conditioning applications. Due to its obsolete status, equivalent and substitute parts are necessary for ongoing design support, production continuity, and system maintenance.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	—
Slew Rate	1.1	V/µs
Gain Bandwidth Product	1.4	MHz
Current - Input Bias	0.04	pA
Voltage - Input Offset	1	mV
Current - Supply (x2 Channels)	750	µA
Current - Output / Channel	40	mA
Voltage - Supply Span (Min)	4.75	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 LMC6032IM is determined by the following critical parameters: amplifier type (CMOS), number of circuits (2), package type (8-SOIC), supply voltage range compatibility, slew rate, gain bandwidth product, input bias current, and operating temperature range. Substitute parts must maintain functional equivalence within the allowed electrical and mechanical specifications of this product category.

The substitute parts are grouped into two categories:

Direct Equivalents (Same Amplifier Type - CMOS): Parts that maintain CMOS amplifier topology with dual-channel configuration in 8-SOIC packaging. These include LMC6032IM/NOPB, BD7542F-E2, BD7562F-E2, and BD7562SF-E2. These substitutes preserve the core CMOS architecture and are suitable for applications requiring CMOS amplifier characteristics.

Performance-Enhanced Alternative (Voltage Feedback Amplifier): The AD8056ARZ-REEL represents a higher-performance alternative with voltage feedback topology, significantly higher slew rate (1400V/µs versus 1.1V/µs), and extended bandwidth (300 MHz versus 1.4 MHz). This part is suitable only for applications where the enhanced performance specifications do not conflict with circuit design requirements.

Parameter Comparison

Parameter	LMC6032IM	LMC6032IM/NOPB	BD7542F-E2	BD7562F-E2	BD7562SF-E2	AD8056ARZ-REEL
Manufacturer	Texas Instruments	Texas Instruments	Rohm Semiconductor	Rohm Semiconductor	Rohm Semiconductor	Analog Devices Inc.
Amplifier Type	CMOS	CMOS	CMOS	CMOS	CMOS	Voltage Feedback
Number of Circuits	2	2	2	2	2	2
Product Status	Obsolete	Obsolete	Active	Active	Active	Active
Slew Rate (V/µs)	1.1	1.1	0.3	1	1	1400
Gain Bandwidth Product (MHz)	1.4	1.4	0.6	1	1	300
Current - Input Bias (pA)	0.04	0.04	1	1	1	400
Voltage - Input Offset (mV)	1	1	1	1	1	3
Current - Supply (µA)	750	750	400	900	900	10000
Current - Output / Channel (mA)	40	40	7	14	14	60
Voltage - Supply Span Min (V)	4.75	4.75	5	5	5	8
Voltage - Supply Span Max (V)	15.5	15.5	14.5	14.5	14.5	12
Operating Temperature (°C)	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 105	-40 to 125
Package / Case	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.173", 4.40mm)	8-SOIC (0.154", 3.90mm)
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Output Type	—	—	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	—

Engineering Selection Recommendations

For Direct Replacement (Obsolete to Active CMOS Amplifiers):

LMC6032IM/NOPB is the primary direct equivalent, maintaining identical electrical specifications while offering ROHS3 compliance and active product status. This part is suitable for applications requiring exact performance matching with improved regulatory compliance.

BD7562F-E2 and BD7562SF-E2 are active CMOS alternatives from Rohm Semiconductor with comparable slew rate (1V/µs) and gain bandwidth product (1 MHz). BD7562SF-E2 extends the operating temperature range to 105°C, providing enhanced thermal performance. Both parts feature rail-to-rail output capability and reduced supply current (900µA). Package width differs slightly (0.173" versus 0.154"), requiring PCB layout verification.

BD7542F-E2 offers the lowest supply current (400µA) among CMOS substitutes but with reduced slew rate (0.3V/µs) and gain bandwidth product (0.6 MHz). This part is suitable for ultra-low-power applications where performance reduction is acceptable.

For Performance-Enhanced Applications:

AD8056ARZ-REEL provides significantly higher performance with voltage feedback topology, 1400V/µs slew rate, and 300 MHz bandwidth. This part is suitable only for applications where the original LMC6032IM performance specifications are insufficient. Supply voltage range differs (8V to 12V minimum/maximum versus 4.75V to 15.5V), requiring circuit redesign verification. Input bias current increases to 400 nA, affecting high-impedance signal conditioning applications.

Compliance Considerations:

All substitute parts except the original LMC6032IM are ROHS3 compliant and REACH unaffected, supporting modern manufacturing and environmental requirements. The original LMC6032IM is RoHS non-compliant and REACH affected, making active substitutes preferable for new designs and production continuity.

Frequently Asked Questions (FAQ)

Q: Can LMC6032IM/NOPB be used as a direct replacement for LMC6032IM?

A: Yes. LMC6032IM/NOPB maintains identical electrical specifications including slew rate (1.1V/µs), gain bandwidth product (1.4 MHz), input bias current (0.04 pA), and supply voltage range (4.75V to 15.5V). The primary difference is packaging format (Tube versus unspecified) and improved RoHS3 compliance. Both parts are classified as obsolete.

Q: What are the key differences between Rohm BD7562F-E2 and BD7562SF-E2?

A: BD7562F-E2 and BD7562SF-E2 are electrically identical with matching slew rate (1V/µs), gain bandwidth product (1 MHz), and supply current (900µA). The primary difference is operating temperature range: BD7562F-E2 operates from -40°C to 85°C, while BD7562SF-E2 extends to -40°C to 105°C. Packaging differs (Cut Tape & Digi-Reel versus Tape & Reel). Select BD7562SF-E2 for applications requiring extended thermal performance.

Q: Is AD8056ARZ-REEL a suitable substitute for LMC6032IM in all applications?

A: No. AD8056ARZ-REEL is a performance-enhanced alternative with different amplifier topology (voltage feedback versus CMOS), significantly higher slew rate (1400V/µs), and extended bandwidth (300 MHz). Supply voltage range differs (8V to 12V versus 4.75V to 15.5V), and input bias current increases to 400 nA. This part is suitable only for applications where enhanced performance does not conflict with circuit design requirements and where the narrower supply voltage range is acceptable.

Q: What is the impact of package width differences between LMC6032IM and Rohm substitutes?

A: LMC6032IM uses 8-SOIC packaging with 0.154" (3.90mm) width. Rohm BD7542F-E2, BD7562F-E2, and BD7562SF-E2 use 8-SOIC packaging with 0.173" (4.40mm) width. This 0.019" (0.50mm) width difference requires PCB layout verification to confirm pad spacing and component placement compatibility. Consult PCB design files and component footprint libraries before implementation.

Q: Which substitute part offers the lowest power consumption?

A: BD7542F-E2 offers the lowest supply current at 400µA (total for two channels), compared to 750µA for LMC6032IM and 900µA for BD7562F-E2 and BD7562SF-E2. However, BD7542F-E2 has reduced slew rate (0.3V/µs) and gain bandwidth product (0.6 MHz). Select this part only for ultra-low-power applications where performance reduction is acceptable.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts listed (LMC6032IM/NOPB, BD7542F-E2, BD7562F-E2, BD7562SF-E2, and AD8056ARZ-REEL) are ROHS3 compliant. The original LMC6032IM is RoHS non-compliant. For new designs and production continuity, select from the compliant alternatives.

Q: What is the inventory status of these parts?

A: LMC6032IM has 17,257 pcs in stock. LMC6032IM/NOPB has 1,948 pcs. Among active substitutes: BD7542F-E2 has 2,400 pcs, BD7562F-E2 has 2,717 pcs, BD7562SF-E2 has 3,437 pcs, and AD8056ARZ-REEL has 2,200 pcs. Verify current inventory status with supplier before design commitment.

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