ICL7612BCSA Equivalent & Substitute Parts

Part Overview

The ICL7612BCSA is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, housed in an 8-SOIC surface-mount package. This device features rail-to-rail output capability and is designed for linear amplification applications requiring low input bias current and moderate bandwidth performance. The ICL7612BCSA is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. Substitute parts must maintain electrical compatibility across critical performance parameters while meeting current manufacturing and compliance standards.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	1.6	V/µs
Gain Bandwidth Product	1.4	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	5	mV
Current - Supply	1	mA
Voltage - Supply Span (Min)	2	V
Voltage - Supply Span (Max)	16	V
Operating Temperature	0 to 70	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the ICL7612BCSA is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Amplifier Type: General Purpose
Number of Circuits: 1
Slew Rate: 1.6 V/µs
Gain Bandwidth Product: 1.4 MHz
Current - Input Bias: 1 pA
Current - Supply: 1 mA
Voltage - Supply Span: 2 V to 16 V
Operating Temperature Range: 0°C to 70°C
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variations:

Voltage - Input Offset: The main part specifies 5 mV; substitute parts with 15 mV remain functionally compatible within general-purpose amplifier applications
Output Type: The main part specifies Rail-to-Rail; substitute parts without this specification designation remain electrically compatible
Current - Output / Channel: Substitute parts with 40 mA output capability exceed the main part requirements and are acceptable
Product Status: Active substitute parts are preferred over obsolete status
RoHS Compliance: ROHS3-compliant substitutes are preferred for regulatory alignment

Substitutes must maintain identical package geometry, pin configuration, and surface-mount characteristics to ensure direct board-level replacement without layout modification.

Parameter Comparison

Parameter	ICL7612BCSA	ICL7612BCSA+	ICL7611DCBAZ	ICL7611DCBAZ-T	ICL7612DCBAZ	ICL7612DCBAZ-T
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Product Status	Obsolete	Active	Active	Active	Active	Active
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1	1
Slew Rate (V/µs)	1.6	1.6	1.6	1.6	1.6	1.6
Gain Bandwidth Product (MHz)	1.4	1.4	1.4	1.4	1.4	1.4
Current - Input Bias (pA)	1	1	1	1	1	1
Voltage - Input Offset (mV)	5	5	15	15	15	15
Current - Supply (mA)	1	1	1	1	1	1
Current - Output / Channel (mA)	—	—	40	40	40	40
Voltage - Supply Span (Min - Max)	2 - 16 V	2 - 16 V	2 - 16 V	2 - 16 V	2 - 16 V	2 - 16 V
Operating Temperature	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Type	—	Tube	Tube	Cut Tape (CT) & Digi-Reel®	Tube	Tape & Reel (TR)

Engineering Selection Recommendations

Primary Substitute: ICL7612BCSA+

The ICL7612BCSA+ is the direct equivalent from the original manufacturer, Analog Devices Inc./Maxim Integrated. This part maintains identical electrical specifications to the obsolete ICL7612BCSA while offering active product status. The primary distinction is RoHS3 compliance and tube packaging. This part is suitable for applications requiring minimal design modification and maximum compatibility assurance.

Secondary Substitutes: ICL7612DCBAZ and ICL7612DCBAZ-T

These Renesas Electronics Corporation parts are functionally equivalent to the ICL7612BCSA across all critical electrical parameters. Both parts feature identical slew rate, gain bandwidth product, supply voltage range, and operating temperature specifications. The ICL7612DCBAZ is supplied in tube packaging, while the ICL7612DCBAZ-T is supplied in tape and reel format. Both are ROHS3 compliant and carry active product status. The voltage input offset specification of 15 mV (versus 5 mV for the main part) remains within acceptable tolerance for general-purpose amplifier applications. Current output capability of 40 mA exceeds the main part requirements.

Tertiary Substitutes: ICL7611DCBAZ and ICL7611DCBAZ-T

These Renesas Electronics Corporation parts represent the ICL7611 base product variant. Electrical performance is equivalent across slew rate, gain bandwidth product, supply voltage, and operating temperature. These parts are ROHS3 compliant with active product status. The ICL7611DCBAZ is supplied in tube packaging, while the ICL7611DCBAZ-T is supplied in cut tape and digi-reel format. Selection between ICL7612 and ICL7611 variants depends on application-specific requirements not specified in the provided parameters.

All substitute parts maintain identical 8-SOIC package geometry, surface-mount characteristics, and moisture sensitivity level, enabling direct board-level replacement without layout modification.

Frequently Asked Questions (FAQ)

Q: Can the ICL7612BCSA+ be used as a direct replacement for the ICL7612BCSA?

A: Yes. The ICL7612BCSA+ maintains identical electrical specifications across all critical parameters including slew rate, gain bandwidth product, input bias current, supply voltage range, and operating temperature. The primary differences are active product status and ROHS3 compliance. Both parts use identical 8-SOIC packaging and surface-mount configuration.

Q: What is the significance of the voltage input offset difference between the ICL7612BCSA (5 mV) and the Renesas substitutes (15 mV)?

A: The voltage input offset specification defines the DC voltage differential between the inverting and non-inverting inputs when the output is at zero volts. The ICL7612BCSA specifies 5 mV maximum, while the Renesas ICL7612DCBAZ and ICL7611DCBAZ parts specify 15 mV maximum. For general-purpose amplifier applications, this 10 mV difference is functionally acceptable. Applications requiring tighter offset specifications should retain the ICL7612BCSA+ variant.

Q: Are the ICL7611 and ICL7612 variants interchangeable?

A: The ICL7611 and ICL7612 variants share identical electrical performance across slew rate, gain bandwidth product, input bias current, supply voltage range, and operating temperature. Both are housed in 8-SOIC packages with surface-mount configuration. The specific functional differences between these variants are not provided in the available parameter data. Consult device datasheets for application-specific requirements before selecting between ICL7611 and ICL7612 variants.

Q: What packaging options are available for substitute parts?

A: The ICL7612BCSA+ is supplied in tube packaging. The Renesas ICL7612DCBAZ is supplied in tube packaging, while the ICL7612DCBAZ-T is supplied in tape and reel format. The ICL7611DCBAZ is supplied in tube packaging, while the ICL7611DCBAZ-T is supplied in cut tape and digi-reel format. Packaging selection depends on production volume and assembly equipment compatibility.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed (ICL7612BCSA+, ICL7612DCBAZ, ICL7612DCBAZ-T, ICL7611DCBAZ, and ICL7611DCBAZ-T) are ROHS3 compliant. The original ICL7612BCSA is RoHS non-compliant. This compliance difference may be significant for applications subject to RoHS regulatory requirements.

Q: What is the current output capability of the substitute parts?

A: The ICL7612BCSA does not specify current output per channel. The Renesas substitute parts (ICL7612DCBAZ, ICL7612DCBAZ-T, ICL7611DCBAZ, and ICL7611DCBAZ-T) specify 40 mA output current per channel. This enhanced output capability is compatible with the original part and provides additional design margin for output-driven applications.

Q: Can these parts be used in new designs, or are they only for replacement applications?

A: All substitute parts carry active product status and are suitable for both new designs and replacement applications. The ICL7612BCSA+ and Renesas variants are actively manufactured and supported. The original ICL7612BCSA is obsolete and should not be specified for new designs.

Q: What is the moisture sensitivity level for these parts?

A: All parts listed, including the original ICL7612BCSA and all substitutes, carry MSL 1 (Unlimited) rating. This indicates unlimited shelf life without moisture control requirements, simplifying storage and handling procedures.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message