ICL7612DCBA-T Equivalent & Substitute Parts

Part Overview

The ICL7612DCBA-T is a general-purpose operational amplifier manufactured by Renesas Electronics Corporation, packaged in 8-SOIC surface mount configuration. This device is classified as obsolete, indicating discontinued production and limited availability for new designs. The part operates across a supply voltage range of 2V to 16V with a slew rate of 1.6V/µs and gain bandwidth product of 1.4 MHz, suitable for general-purpose amplification applications requiring low input bias current and moderate bandwidth performance.

Due to its obsolete status, identification of equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements. Active alternatives with identical or enhanced electrical characteristics are available from Analog Devices Inc./Maxim Integrated and Renesas Electronics Corporation.

Substiute Parts

ICL7612DCBA-T

Renesas Electronics CorporationIn Stock: 1480ICL7612DCBA-T Datasheet

Current PartRFQ

ICL7612DCBAZ-T

Renesas Electronics CorporationIn Stock: 3229ICL7612DCBAZ-T Datasheet

DirectRFQ

ICL7611DCSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1029ICL7611DCSA+ Datasheet

DirectRFQ

ICL7611DCSA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 738ICL7611DCSA+T Datasheet

DirectRFQ

ICL7612DCSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1198ICL7612DCSA+ Datasheet

DirectRFQ

ICL7611DESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 801ICL7611DESA+ Datasheet

UpgradeRFQ

ICL7611DESA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 706ICL7611DESA+T Datasheet

UpgradeRFQ

ICL7612DESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1135ICL7612DESA+ Datasheet

UpgradeRFQ

ICL7612DESA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 16322ICL7612DESA+T Datasheet

UpgradeRFQ

ICL7611BCSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1023ICL7611BCSA+ Datasheet

SimilarRFQ

ICL7611BCSA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 813ICL7611BCSA+T Datasheet

SimilarRFQ

ICL7612BCSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 977ICL7612BCSA+ Datasheet

SimilarRFQ

ICL7612BCSA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 1270ICL7612BCSA+T Datasheet

SimilarRFQ

ICL7612BESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 924ICL7612BESA+ Datasheet

SimilarRFQ

ICL7612BESA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 1174ICL7612BESA+T Datasheet

SimilarRFQ

LM301ADR2G

onsemiIn Stock: 3651LM301ADR2G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ICL7612DCBA-T is determined by strict equivalence across the following critical parameters: amplifier type (general purpose), number of circuits (1), slew rate (1.6V/µs), gain bandwidth product (1.4 MHz), input bias current (1 pA), supply voltage range (2V to 16V minimum, 16V maximum), output current capability (40 mA), package type (8-SOIC), and mounting method (surface mount).

Substitute parts are grouped into three categories:

Direct Substitutes maintain all electrical parameters and differ only in packaging format (Tape & Reel versus tube) or minor manufacturing designations. These parts are pin-compatible and functionally identical for circuit operation.

Upgrade Substitutes provide enhanced operating temperature range (-40°C to 85°C versus 0°C to 70°C) while maintaining all other electrical specifications. These parts support extended temperature applications and are fully backward-compatible.

Similar Parts share the same base electrical architecture but incorporate design improvements such as reduced input offset voltage (5 mV versus 15 mV) or enhanced output characteristics. These parts are compatible but offer superior performance in specific parameters.

All substitute candidates maintain the 8-SOIC package footprint, surface mount configuration, 1 pA input bias current, 1.6V/µs slew rate, 1.4 MHz gain bandwidth product, and 2V to 16V supply voltage range required for direct replacement.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement in Active Production:

The ICL7612DCBAZ-T is the primary direct substitute for the obsolete ICL7612DCBA-T. Both parts maintain identical electrical specifications, 8-SOIC package footprint, and 0°C to 70°C operating temperature range. The ICL7612DCBAZ-T is currently in active production status with 3188 units in stock and achieves ROHS3 compliance, addressing regulatory requirements for new designs. The packaging difference (Tape & Reel versus tube) does not affect circuit functionality and accommodates automated assembly processes.

For Extended Temperature Applications:

The ICL7612DESA+T provides an upgrade path for applications requiring extended operating temperature range (-40°C to 85°C). This part maintains all core electrical parameters while supporting industrial and automotive temperature specifications. With 16266 units in stock and ROHS3 compliance, this part offers superior availability and regulatory alignment. The Tape & Reel packaging supports high-volume production requirements.

For Improved DC Accuracy:

The ICL7611BCSA+ and ICL7611BCSA+T variants reduce input offset voltage to 5 mV (compared to 15 mV in the base part), providing enhanced DC accuracy for precision measurement and signal conditioning applications. Both variants maintain the 0°C to 70°C temperature range and are available in tube and Tape & Reel packaging formats.

For Rail-to-Rail Output Capability:

The ICL7611DCSA+, ICL7611DCSA+T, ICL7611DESA+, and ICL7611DESA+T incorporate rail-to-rail output stages, enabling full supply voltage swing utilization. These parts are functionally compatible with the ICL7612DCBA-T and provide enhanced output voltage range for low-supply applications.

All recommended substitutes achieve ROHS3 compliance and maintain the critical electrical parameters (1.6V/µs slew rate, 1.4 MHz gain bandwidth product, 1 pA input bias current, 2V to 16V supply range) required for circuit compatibility.

Frequently Asked Questions (FAQ)

Q: Can the ICL7612DCBAZ-T directly replace the ICL7612DCBA-T in existing designs?

A: Yes. The ICL7612DCBAZ-T is electrically and mechanically identical to the ICL7612DCBA-T. Both parts share the same pin configuration, 8-SOIC package footprint, slew rate (1.6V/µs), gain bandwidth product (1.4 MHz), input bias current (1 pA), and supply voltage range (2V to 16V). The primary difference is packaging format (Tape & Reel versus tube) and active production status. No circuit modifications are required.

Q: What is the difference between the ICL7612 and ICL7611 series?

A: The ICL7612 and ICL7611 series share identical core electrical specifications (1.6V/µs slew rate, 1.4 MHz gain bandwidth product, 1 pA input bias current). The ICL7611 variants incorporate rail-to-rail output capability, allowing the output voltage to swing closer to the supply rails. The ICL7612 series does not specify rail-to-rail output. Both series are functionally compatible for general-purpose amplification applications.

Q: Why should I select the ICL7612DESA+T over the ICL7612DCBAZ-T?

A: The ICL7612DESA+T extends the operating temperature range to -40°C to 85°C, compared to 0°C to 70°C for the ICL7612DCBAZ-T. Select the DESA+T variant for applications requiring industrial or automotive temperature specifications. Both parts maintain identical electrical performance and ROHS3 compliance. The DESA+T variant offers significantly higher inventory availability (16266 units).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All active substitute parts listed (ICL7612DCBAZ-T, ICL7611DCSA+, ICL7611DCSA+T, ICL7612DCSA+, ICL7611DESA+, ICL7611DESA+T, ICL7612DESA+, ICL7612DESA+T, ICL7611BCSA+, ICL7611BCSA+T) achieve ROHS3 compliance. The original ICL7612DCBA-T is RoHS non-compliant. Substitution with any active part addresses regulatory requirements for new designs.

Q: What is the significance of the "+T" suffix in part numbers?

A: The "+T" suffix indicates Tape & Reel packaging format, suitable for automated pick-and-place assembly. Parts without the "+T" suffix are supplied in tube packaging, typically used for manual assembly or lower-volume applications. Both packaging formats contain identical die and electrical specifications. Selection depends on assembly process requirements.

Q: Can I use ICL7611BCSA+ in place of ICL7612DCBA-T if my application requires low input offset voltage?

A: Yes. The ICL7611BCSA+ is functionally compatible with the ICL7612DCBA-T and provides superior DC accuracy with 5 mV input offset voltage (compared to 15 mV). Both parts maintain the same slew rate (1.6V/µs), gain bandwidth product (1.4 MHz), input bias current (1 pA), and supply voltage range (2V to 16V). The ICL7611BCSA+ incorporates rail-to-rail output capability, providing additional performance benefits. No circuit modifications are required.

Q: What inventory considerations should I evaluate when selecting a substitute?

A: Current inventory levels vary significantly across substitute options. The ICL7612DESA+T offers the highest availability with 16266 units in stock, followed by ICL7612DCBAZ-T with 3188 units. For applications with extended lead times or high-volume requirements, prioritize parts with higher inventory levels. All listed substitutes are in active production status, ensuring long-term supply continuity.

Q: Are there any electrical parameter differences between substitute parts that affect circuit design?

A: All substitute parts maintain the core electrical specifications required for direct replacement: 1.6V/µs slew rate, 1.4 MHz gain bandwidth product, 1 pA input bias current, and 2V to 16V supply voltage range. Minor differences exist in input offset voltage (5 mV for ICL7611BCSA variants versus 15 mV for others) and output type (rail-to-rail for ICL7611 variants). These differences do not prevent substitution but may improve performance in precision applications. Operating temperature range varies between 0°C to 70°C and -40°C to 85°C depending on part selection.