ICL7641CCPD CMOS Amplifier Equivalent & Substitute Parts

Part Overview

The ICL7641CCPD is a CMOS amplifier integrated circuit containing four independent rail-to-rail operational amplifier circuits in a 14-pin DIP package. Manufactured by Analog Devices Inc./Maxim Integrated, this component is classified as a linear amplifier suitable for low-power applications requiring dual-supply or single-supply operation across a 2V to 16V supply voltage range.

The ICL7641CCPD is designated as obsolete product status. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this amplifier configuration.

Substiute Parts

ICL7641CCPD

Analog Devices Inc./Maxim IntegratedIn Stock: 2404ICL7641CCPD Datasheet

Current PartRFQ

ICL7641CCPD+

Analog Devices Inc./Maxim IntegratedIn Stock: 3802ICL7641CCPD+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ICL7641CCPD is determined by electrical and mechanical parameter equivalence. The following criteria establish valid substitute relationships:

Electrical Equivalence Requirements:

• Amplifier Type: CMOS
• Number of Circuits: 4 channels
• 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: 10 mV
• Current - Supply: 1 mA per channel
• Voltage - Supply Span: 2V minimum to 16V maximum
• Operating Temperature Range: 0°C to 70°C

Mechanical Equivalence Requirements:

• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Supplier Device Package: 14-PDIP

Substitute parts must satisfy all electrical parameters and mechanical specifications to ensure functional and physical compatibility within existing circuit designs and printed circuit board layouts.

Parameter Comparison

Engineering Selection Recommendations

The ICL7641CCPD+ serves as the direct substitute for the obsolete ICL7641CCPD. Both parts are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications across all critical parameters.

Selection Basis:

The ICL7641CCPD+ is the appropriate substitute due to:

1. Product Status: The main part (ICL7641CCPD) is obsolete, while the substitute (ICL7641CCPD+) maintains active product status, ensuring continued availability and manufacturer support.

2. Electrical Equivalence: All electrical parameters are identical, including amplifier type, circuit count, output characteristics, frequency response, bias current, offset voltage, supply current, and supply voltage range. Operating temperature range is maintained at 0°C to 70°C.

3. Mechanical Compatibility: Both parts utilize identical 14-pin DIP through-hole packaging with 0.300" (7.62mm) pitch, ensuring direct physical compatibility with existing printed circuit board layouts without modification.

4. Regulatory Compliance: The ICL7641CCPD+ achieves ROHS3 compliance, representing an improvement over the non-compliant status of the original part. Both parts maintain REACH Unaffected status and EAR99 export classification.

5. Packaging Difference: The substitute is supplied in tube packaging, whereas the main part packaging specification is not detailed. This represents a logistical difference without impact on component functionality or circuit performance.

Frequently Asked Questions (FAQ)

Q: Can the ICL7641CCPD+ be used as a direct replacement for the ICL7641CCPD in existing designs?

A: Yes. The ICL7641CCPD+ is electrically and mechanically equivalent to the ICL7641CCPD across all specified parameters. No circuit modifications or PCB layout changes are required for substitution.

Q: What is the primary reason for substituting the ICL7641CCPD?

A: The ICL7641CCPD is designated as obsolete product status. The ICL7641CCPD+ maintains active status and ensures continued supply chain availability for production and support applications.

Q: Are the electrical performance characteristics identical between the two parts?

A: Yes. Both parts share identical specifications for slew rate (1.6 V/µs), gain bandwidth product (1.4 MHz), input bias current (1 pA), input offset voltage (10 mV), supply current (1 mA per channel), and supply voltage range (2V to 16V).

Q: Is the package footprint the same for both parts?

A: Yes. Both the ICL7641CCPD and ICL7641CCPD+ utilize 14-pin DIP through-hole packaging with 0.300" (7.62mm) pitch. Direct PCB compatibility is maintained without layout modification.

Q: What is the difference in RoHS compliance between these parts?

A: The ICL7641CCPD is RoHS non-compliant, while the ICL7641CCPD+ is ROHS3 compliant. For applications subject to RoHS regulations, the ICL7641CCPD+ is the required selection.

Q: Are both parts manufactured by the same company?

A: Yes. Both the ICL7641CCPD and ICL7641CCPD+ are manufactured by Analog Devices Inc./Maxim Integrated, ensuring consistent design and quality standards.

Q: What is the operating temperature range for both parts?

A: Both parts operate across the identical temperature range of 0°C to 70°C, maintaining thermal performance specifications for standard industrial and commercial applications.

Q: Is there any difference in the number of amplifier circuits between the two parts?

A: No. Both parts contain four independent CMOS amplifier circuits with rail-to-rail output capability in a single 14-pin package.