ICL7612BESA+ Equivalent & Substitute Parts

Part Overview

The ICL7612BESA+ is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, designed for rail-to-rail output applications in 8-SOIC surface mount packaging. This linear amplifier circuit operates across a wide supply voltage range of 2V to 16V and is rated for industrial temperature applications from -40°C to 85°C. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1).

Substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when sourcing from different manufacturers is preferred for supply chain optimization.

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 Range	-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 eligibility for the ICL7612BESA+ is determined by the following critical parameters:

Core Electrical Parameters:

Slew Rate: 1.6 V/µs
Gain Bandwidth Product: 1.4 MHz
Current - Input Bias: 1 pA
Voltage - Supply Span: 2V to 16V
Current - Supply: 1 mA

Physical & Environmental Parameters:

Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Operational Constraints:

Amplifier Type: General Purpose
Number of Circuits: 1
Output Type: Rail-to-Rail

Substitute parts must maintain compatibility across these parameters. Variations in packaging format (Tube, Cut Tape & Digi-Reel, Tape & Reel) are acceptable as they represent distribution methods rather than functional differences. Operating temperature range differences and voltage offset variations within the general-purpose amplifier classification are acceptable for substitution purposes.

Parameter Comparison

Parameter	ICL7612BESA+	ICL7612DCBAZ	ICL7612DCBAZ-T	ICL7611DCBAZ	ICL7611DCBAZ-T
Manufacturer	Analog Devices Inc./Maxim Integrated	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1
Slew Rate (V/µs)	1.6	1.6	1.6	1.6	1.6
Gain Bandwidth Product (MHz)	1.4	1.4	1.4	1.4	1.4
Current - Input Bias (pA)	1	1	1	1	1
Voltage - Input Offset (mV)	5	15	15	15	15
Current - Supply (mA)	1	1	1	1	1
Voltage - Supply Span (Min - Max)	2 - 16 V	2 - 16 V	2 - 16 V	2 - 16 V	2 - 16 V
Operating Temperature Range	-40 to 85°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)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Substitute - ICL7612DCBAZ (Renesas Electronics Corporation): This part maintains identical electrical specifications to the ICL7612BESA+ across all critical parameters including slew rate, gain bandwidth product, input bias current, and supply voltage range. The 8-SOIC package footprint is identical. Both parts are ROHS3 compliant with MSL 1 rating. The primary difference is the operating temperature range (0°C to 70°C versus -40°C to 85°C) and manufacturer. This substitute is suitable for applications operating within the 0°C to 70°C temperature window. Packaging is available in Tube format with 15,550 units in stock.

Secondary Substitute - ICL7612DCBAZ-T (Renesas Electronics Corporation): Functionally equivalent to ICL7612DCBAZ with identical electrical specifications. This variant is supplied in Tape & Reel (TR) packaging format, suitable for automated assembly processes. Operating temperature range is 0°C to 70°C. Stock availability is 3,188 units.

Tertiary Substitute - ICL7611DCBAZ (Renesas Electronics Corporation): This part shares the same electrical performance parameters as the primary substitutes with 1.6 V/µs slew rate and 1.4 MHz gain bandwidth product. The ICL7611 base product number indicates a variant within the same family. Operating temperature range is 0°C to 70°C. Packaging is 8-SOIC in Tube format with 1,300 units in stock.

Quaternary Substitute - ICL7611DCBAZ-T (Renesas Electronics Corporation): Equivalent to ICL7611DCBAZ with Tape & Reel packaging for automated assembly. Operating temperature range is 0°C to 70°C. Stock availability is 2,092 units.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with modern manufacturing and environmental standards.

Frequently Asked Questions (FAQ)

Q: Can ICL7612DCBAZ be used as a direct replacement for ICL7612BESA+ in all applications?

A: ICL7612DCBAZ is functionally equivalent across all critical electrical parameters. However, the operating temperature range differs: ICL7612BESA+ operates from -40°C to 85°C, while ICL7612DCBAZ operates from 0°C to 70°C. Substitution is valid only for applications operating within the 0°C to 70°C window.

Q: What is the difference between ICL7612DCBAZ and ICL7612DCBAZ-T?

A: Both parts are electrically identical with the same specifications and performance characteristics. The difference is in packaging format: ICL7612DCBAZ is supplied in Tube packaging, while ICL7612DCBAZ-T is supplied in Tape & Reel format. Selection depends on assembly process requirements.

Q: Are ICL7611 variants suitable substitutes for ICL7612 parts?

A: ICL7611DCBAZ and ICL7611DCBAZ-T maintain the same electrical specifications as ICL7612 variants, including slew rate, gain bandwidth product, input bias current, and supply voltage range. Both are suitable substitutes within the 0°C to 70°C operating temperature range.

Q: What is the significance of the voltage offset difference between ICL7612BESA+ (5 mV) and the Renesas substitutes (15 mV)?

A: The voltage offset specification indicates the DC voltage difference between the inverting and non-inverting inputs when the output is at zero. The ICL7612BESA+ has a tighter specification at 5 mV, while Renesas variants specify 15 mV. For general-purpose amplifier applications, both values are within acceptable ranges for typical circuit designs.

Q: Can these parts be used interchangeably in PCB designs without layout modifications?

A: Yes. All substitute parts use the identical 8-SOIC (0.154", 3.90mm Width) package with the same pin configuration and footprint. PCB layouts and designs require no modification for substitution.

Q: What compliance certifications apply to all substitute parts?

A: All parts listed are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating. All are classified under ECCN EAR99 and HTSUS 8542.33.0001.

Q: Which substitute offers the highest stock availability?

A: ICL7612DCBAZ (Renesas Electronics Corporation) in Tube packaging offers the highest inventory with 15,550 units in stock.

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