ACF2101BU/1K Equivalent & Substitute Parts

Part Overview

The ACF2101BU/1K is a Switched Integrator Amplifier manufactured by Texas Instruments, designed for linear amplification applications requiring integrated switching and integration functionality. This device integrates two circuits in a 24-SOIC surface mount package and operates across a supply voltage range of 14.5V to 36V with an operating temperature range of -40°C to 85°C.

The ACF2101BU/1K carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

ACF2101BU/1K

Texas InstrumentsIn Stock: 817ACF2101BU/1K Datasheet

Current PartRFQ

ACF2101BU

Texas InstrumentsIn Stock: 12922ACF2101BU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ACF2101BU/1K is determined by strict equivalence across the following critical parameters:

Functional Parameters:

• Amplifier Type: Switched Integrator
• Number of Circuits: 2
• Slew Rate: 3 V/µs
• Gain Bandwidth Product: 2 MHz

Electrical Parameters:

• Current - Input Bias: 0.1 pA
• Voltage - Input Offset: 500 µV
• Current - Supply: 12 mA (x2 Channels)
• Current - Output / Channel: 25 mA
• Voltage - Supply Span: 14.5 V to 36 V
• Operating Temperature Range: -40°C to 85°C

Physical & Compliance Parameters:

• Package / Case: 24-SOIC (0.295", 7.50mm Width)
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 3 (168 Hours)

Substitute parts must match all parameters listed above to ensure functional and mechanical compatibility within the original application circuit.

Parameter Comparison

Engineering Selection Recommendations

The ACF2101BU serves as a direct substitute for the obsolete ACF2101BU/1K. Both parts are manufactured by Texas Instruments and maintain identical electrical, functional, and physical specifications across all critical parameters.

The primary distinction between these parts is product status and packaging configuration. The ACF2101BU/1K is classified as Obsolete, while the ACF2101BU maintains Active product status. The ACF2101BU is supplied in Tube packaging, whereas the main part designation reflects a different packaging configuration.

Both parts satisfy ROHS3 compliance requirements and carry identical REACH and ECCN classifications, ensuring regulatory alignment for applications requiring environmental and export compliance documentation.

For applications currently utilizing the ACF2101BU/1K, the ACF2101BU provides functional and mechanical equivalence with the advantage of active manufacturing status and improved supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can the ACF2101BU directly replace the ACF2101BU/1K in existing circuit designs?

A: Yes. The ACF2101BU is electrically and mechanically equivalent to the ACF2101BU/1K. All functional parameters, electrical specifications, and package dimensions are identical. Direct substitution is supported without circuit modification.

Q: What is the difference between ACF2101BU/1K and ACF2101BU?

A: The primary difference is product status and packaging. The ACF2101BU/1K is Obsolete, while the ACF2101BU is Active. The ACF2101BU is supplied in Tube packaging. All electrical and functional specifications remain identical.

Q: Are there any compliance or regulatory differences between these parts?

A: No. Both parts carry identical ROHS3 compliance status, REACH classification (REACH Unaffected), and ECCN designation (EAR99). Regulatory documentation requirements are equivalent.

Q: What is the Moisture Sensitivity Level (MSL) for these parts?

A: Both the ACF2101BU/1K and ACF2101BU carry MSL 3 rating with a 168-hour floor life. Proper handling and storage procedures for MSL 3 components must be observed during assembly and installation.

Q: Can these parts operate across the full -40°C to 85°C temperature range?

A: Yes. Both parts are specified for operation across the -40°C to 85°C temperature range. Electrical parameters remain within specification across this entire operating window.

Q: What is the maximum supply voltage for these amplifiers?

A: The maximum supply voltage span is 36V. The minimum supply voltage span is 14.5V. Operation outside this range is not supported.

Q: Are these parts suitable for high-speed switching applications?

A: These parts are specified as Switched Integrator Amplifiers with a slew rate of 3 V/µs and gain bandwidth product of 2 MHz. Application suitability depends on specific circuit requirements and signal bandwidth constraints.