ICL7612BCSA+ Equivalent & Substitute Parts

Part Overview

The ICL7612BCSA+ is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, designed for rail-to-rail applications in 8-SOIC surface mount packaging. This linear amplifier circuit operates across a 2V to 16V supply span with a slew rate of 1.6V/µs and gain bandwidth product of 1.4 MHz. The part is currently active in production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are necessary when the primary part is unavailable, when alternative packaging formats are required, or when sourcing from different manufacturers is preferred while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Amplifier Type	General Purpose
Number of Circuits	1
Output Type	Rail-to-Rail
Slew Rate	1.6V/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°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of 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: 1.6V/µs
Gain Bandwidth Product: 1.4 MHz
Current - Input Bias: 1 pA
Current - Supply: 1 mA
Voltage - Supply Span: 2V to 16V
Operating Temperature: 0°C ~ 70°C
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variations:

Voltage - Input Offset: 5 mV (primary) to 15 mV (substitutes)
Output Type: Rail-to-Rail (primary) or unspecified (substitutes)
Current - Output / Channel: 40 mA (substitutes only)
Packaging Format: Tube, Cut Tape (CT) & Digi-Reel®, or Tape & Reel (TR)
Manufacturer: Analog Devices Inc./Maxim Integrated or Renesas Electronics Corporation

All substitute parts maintain identical base product numbers (ICL7612 or ICL7611) and are manufactured to the same 8-SOIC package specification, ensuring direct pin-for-pin compatibility.

Parameter Comparison

Parameter	ICL7612BCSA+	ICL7611DCBAZ	ICL7611DCBAZ-T	ICL7612DCBAZ	ICL7612DCBAZ-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	1.6V/µs	1.6V/µs	1.6V/µs	1.6V/µs	1.6V/µs
Gain Bandwidth Product	1.4 MHz	1.4 MHz	1.4 MHz	1.4 MHz	1.4 MHz
Current - Input Bias	1 pA	1 pA	1 pA	1 pA	1 pA
Voltage - Input Offset	5 mV	15 mV	15 mV	15 mV	15 mV
Current - Supply	1 mA	1 mA	1 mA	1 mA	1 mA
Voltage - Supply Span (Min)	2 V	2 V	2 V	2 V	2 V
Voltage - Supply Span (Max)	16 V	16 V	16 V	16 V	16 V
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
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)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Packaging Format	Tube	Tube	Cut Tape (CT) & Digi-Reel®	Tube	Tape & Reel (TR)
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status and ROHS3 compliance, ensuring regulatory alignment with the primary ICL7612BCSA+ component. The substitutes are manufactured by Renesas Electronics Corporation and are functionally equivalent across all critical electrical parameters including slew rate, gain bandwidth product, input bias current, and supply voltage range.

ICL7612DCBAZ and ICL7612DCBAZ-T are direct base product number matches to the primary part, differing only in packaging format (Tube versus Tape & Reel) and voltage input offset specification (15 mV versus 5 mV). These parts are suitable for applications where the higher input offset voltage is acceptable.

ICL7611DCBAZ and ICL7611DCBAZ-T utilize the ICL7611 base product number and are functionally compatible with identical electrical performance parameters. These parts differ in packaging format and are available in higher inventory quantities.

Selection between substitute options should be based on packaging requirements for assembly processes and inventory availability. All parts maintain identical pin configuration, thermal characteristics, and compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can ICL7611DCBAZ be used as a direct replacement for ICL7612BCSA+?

A: Yes. The ICL7611DCBAZ maintains identical electrical performance across all critical parameters including slew rate (1.6V/µs), gain bandwidth product (1.4 MHz), input bias current (1 pA), and supply voltage range (2V to 16V). The parts are pin-compatible in 8-SOIC packaging. The voltage input offset specification differs (15 mV versus 5 mV), which is an allowable variation for general-purpose amplifier applications.

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

A: Both parts are electrically identical with matching base product number ICL7612. The primary difference is packaging format: ICL7612DCBAZ is supplied in Tube packaging, while ICL7612DCBAZ-T is supplied in Tape & Reel (TR) format. Selection depends on assembly process requirements and handling procedures.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts, including ICL7611DCBAZ, ICL7611DCBAZ-T, ICL7612DCBAZ, and ICL7612DCBAZ-T, maintain ROHS3 compliance status identical to the primary ICL7612BCSA+ component.

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

A: All substitute parts maintain Moisture Sensitivity Level (MSL) 1, indicating unlimited shelf life and no special moisture control requirements during storage or handling.

Q: Can I use ICL7611DCBAZ-T in place of ICL7612BCSA+ for high-volume production?

A: Yes. The ICL7611DCBAZ-T is suitable for high-volume production applications. It maintains identical electrical specifications and 8-SOIC package compatibility. The Tape & Reel packaging format is optimized for automated assembly processes. Inventory availability is 2092 pieces.

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

A: The voltage input offset specification indicates the DC voltage difference between the inverting and non-inverting inputs when the output is at zero. The ICL7612BCSA+ specifies 5 mV maximum, while substitute parts specify 15 mV maximum. This difference is allowable for general-purpose amplifier applications where input offset voltage is not a critical design parameter. Applications requiring tighter offset voltage specifications should retain the primary part.

Q: Are all substitute parts available in the same 8-SOIC package dimensions?

A: Yes. All substitute parts use the 8-SOIC package with identical dimensions of 0.154" width and 3.90mm width specification, ensuring mechanical compatibility with existing PCB layouts and assembly equipment.

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