ICL7641ECPD Equivalent & Substitute Parts

Part Overview

The ICL7641ECPD is a CMOS amplifier integrated circuit featuring four independent rail-to-rail output stages in a 14-pin DIP package. This device is classified as obsolete, which necessitates identification of equivalent substitute components for ongoing design support and production requirements. The ICL7641ECPD operates across a wide supply voltage range of 2V to 16V and is suitable for applications requiring low input bias current and rail-to-rail output capability.

Substiute Parts

ICL7641ECPD

Analog Devices Inc./Maxim IntegratedIn Stock: 1476ICL7641ECPD Datasheet

Current PartRFQ

ICL7641ECPD+

Analog Devices Inc./Maxim IntegratedIn Stock: 1191ICL7641ECPD+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ICL7641ECPD is determined by strict equivalence across the following electrical and mechanical parameters:

Critical Matching Parameters:

• Amplifier Type: CMOS
• Number of Circuits: 4
• 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: 20 mV
• Current - Supply: 1 mA per channel
• Voltage - Supply Span: 2V to 16V
• Operating Temperature Range: 0°C to 70°C
• Package / Case: 14-DIP (0.300", 7.62mm)
• Mounting Type: Through Hole

The substitute part ICL7641ECPD+ meets all electrical specifications and mechanical requirements of the original ICL7641ECPD. The primary distinction between these components is product status and packaging configuration.

Parameter Comparison

Engineering Selection Recommendations

The ICL7641ECPD+ serves as the direct substitute for the obsolete ICL7641ECPD. Both components are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical specifications and mechanical packaging.

Product Status Consideration: The ICL7641ECPD is classified as obsolete, while the ICL7641ECPD+ maintains active product status. For new designs and ongoing production, the ICL7641ECPD+ is the appropriate selection.

Compliance Consideration: The ICL7641ECPD+ is ROHS3 compliant, whereas the original ICL7641ECPD is RoHS non-compliant. Applications subject to RoHS regulatory requirements must utilize the ICL7641ECPD+.

Packaging Configuration: The ICL7641ECPD+ is supplied in tube packaging, which may differ from the original component's packaging configuration. Verify that tube packaging is compatible with existing assembly and handling procedures.

Both components carry identical REACH and ECCN classifications, indicating equivalent regulatory treatment for export and environmental compliance purposes.

Frequently Asked Questions (FAQ)

Q: Are the ICL7641ECPD and ICL7641ECPD+ electrically interchangeable?

A: Yes. Both components feature identical electrical specifications, including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and operating temperature range. They are pin-compatible and functionally equivalent.

Q: What is the primary difference between these two part numbers?

A: The ICL7641ECPD is obsolete, while the ICL7641ECPD+ is an active product. The ICL7641ECPD+ is also ROHS3 compliant, whereas the original is RoHS non-compliant. Packaging configuration differs: the ICL7641ECPD+ is supplied in tube format.

Q: Can I use the ICL7641ECPD+ as a direct replacement in existing designs?

A: Yes, provided that tube packaging is compatible with your assembly process. The electrical and mechanical specifications are identical, and the component occupies the same 14-DIP footprint.

Q: Are there any supply voltage or temperature range limitations when substituting?

A: No. Both components operate across the identical supply voltage range of 2V to 16V and the same temperature range of 0°C to 70°C.

Q: Does the RoHS compliance difference affect circuit performance?

A: No. RoHS compliance relates to material composition and environmental regulations, not electrical performance. Both components deliver identical functional characteristics.

Q: What is the pin configuration for these devices?

A: Both the ICL7641ECPD and ICL7641ECPD+ use a 14-pin DIP package with 0.300-inch (7.62mm) spacing. Pin assignments are identical between the two components.

Q: Is the ICL7641ECPD+ available in inventory?

A: Yes. The ICL7641ECPD+ is currently in stock with 1,082 pieces available as new original components.