ICL7641BCPD Equivalent & Substitute Parts

Part Overview

The ICL7641BCPD is a CMOS operational amplifier featuring four independent circuits in a 14-pin DIP package. This device is classified as obsolete, necessitating identification of equivalent substitute components for ongoing design support and procurement requirements. The ICL7641BCPD operates as a rail-to-rail output amplifier suitable for low-power applications requiring dual-supply or single-supply operation across a 2V to 16V supply voltage range.

Substiute Parts

ICL7641BCPD

Analog Devices Inc./Maxim IntegratedIn Stock: 2045ICL7641BCPD Datasheet

Current PartRFQ

ICL7641BCPD+

Analog Devices Inc./Maxim IntegratedIn Stock: 956ICL7641BCPD+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ICL7641BCPD is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• 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: 5 mV
• Current - Supply: 1 mA per channel
• Voltage - Supply Span: 2V to 16V
• Operating Temperature Range: 0°C to 70°C

Mechanical Equivalence Criteria:

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

The substitute part ICL7641BCPD+ maintains identical electrical specifications and mechanical packaging, ensuring direct functional compatibility in existing circuit designs.

Parameter Comparison

Engineering Selection Recommendations

ICL7641BCPD+ as Primary Substitute:

The ICL7641BCPD+ is a direct electrical and mechanical equivalent to the ICL7641BCPD. Both components share identical specifications across all critical operational parameters including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and supply voltage range.

The primary distinction between these parts is regulatory compliance status. The ICL7641BCPD+ carries ROHS3 compliance certification, whereas the original ICL7641BCPD is RoHS non-compliant. For applications subject to RoHS directives or environmental regulations, the ICL7641BCPD+ is the appropriate selection.

Both components are manufactured by Analog Devices Inc./Maxim Integrated and classified as obsolete products. The ICL7641BCPD+ is available in bulk packaging with current inventory of 859 units, compared to 2000 units of the original part in tape-and-reel packaging.

Frequently Asked Questions (FAQ)

Q: Can ICL7641BCPD+ be used as a direct replacement for ICL7641BCPD in existing designs?

A: Yes. The ICL7641BCPD+ is electrically and mechanically identical to the ICL7641BCPD across all specified parameters. Pin configuration, electrical performance, and package dimensions are equivalent, enabling direct substitution without circuit modification.

Q: What is the difference between ICL7641BCPD and ICL7641BCPD+?

A: The primary difference is RoHS compliance status. The ICL7641BCPD+ is ROHS3 compliant, while the ICL7641BCPD is RoHS non-compliant. All electrical and mechanical specifications are identical.

Q: Are there packaging differences between these parts?

A: Both components use 14-DIP (0.300", 7.62mm) through-hole packaging. The ICL7641BCPD is supplied in tape-and-reel format, while the ICL7641BCPD+ is supplied in bulk packaging. The physical package dimensions and pin assignments are identical.

Q: What supply voltage range does the ICL7641BCPD support?

A: The ICL7641BCPD operates across a supply voltage range of 2V to 16V, supporting both single-supply and dual-supply configurations.

Q: What is the operating temperature range for this device?

A: The ICL7641BCPD operates across a temperature range of 0°C to 70°C.

Q: How many independent amplifier circuits are integrated in this package?

A: The ICL7641BCPD contains four independent CMOS amplifier circuits, each with rail-to-rail output capability.

Q: What is the input bias current specification?

A: The input bias current is specified at 1 pA, characteristic of CMOS input stage design.

Q: Is this device suitable for low-power applications?

A: Yes. The ICL7641BCPD is designed for low-power operation with a supply current of 1 mA per channel, making it suitable for battery-powered and power-constrained applications.