ACF2101BUG4 Equivalent & Substitute Parts

Part Overview

The ACF2101BUG4 is a Switched Integrator Amplifier integrated circuit manufactured by Texas Instruments, designed for precision analog signal processing applications. This device integrates two independent switched integrator circuits in a 24-SOIC surface mount package. The ACF2101BUG4 is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent substitute components for ongoing design support and production requirements.

Substiute Parts

ACF2101BUG4

Texas InstrumentsIn Stock: 751ACF2101BUG4 Datasheet

Current PartRFQ

ACF2101BU

Texas InstrumentsIn Stock: 12922ACF2101BU Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ACF2101BUG4 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
• Input Bias Current: 0.1 pA
• Input Offset Voltage: 500 µV
• Supply Current: 12 mA (x2 Channels)
• Output Current per Channel: 25 mA

Electrical Parameters:

• Supply Voltage Range: 14.5 V to 36 V
• Operating Temperature: -40°C to 85°C

Physical Parameters:

• Package Type: 24-SOIC
• Package Dimensions: 0.295" × 7.50 mm Width
• Mounting: Surface Mount

Compliance Parameters:

• RoHS3 Compliance
• MSL Rating: 3 (168 Hours)

The ACF2101BU meets all specified parameters and is identified as the manufacturer-recommended substitute.

Parameter Comparison

Engineering Selection Recommendations

The ACF2101BU is the direct substitute for the ACF2101BUG4. Both components are manufactured by Texas Instruments and share identical electrical, functional, and physical specifications. The primary distinction is product status: the ACF2101BUG4 is discontinued, while the ACF2101BU maintains active production status with significantly higher inventory availability (12,850 pieces versus 677 pieces).

Both parts maintain ROHS3 compliance and identical MSL ratings, ensuring compatibility with current manufacturing and environmental standards. The ACF2101BU is supplied in tube packaging, which is standard for active production components.

For applications currently specified with ACF2101BUG4, direct substitution with ACF2101BU is supported without circuit modification or re-qualification, provided that the tube packaging format is compatible with assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the ACF2101BU directly replace the ACF2101BUG4 in existing designs?

A: Yes. The ACF2101BU is electrically and mechanically identical to the ACF2101BUG4 across all specified parameters. Both devices feature identical slew rate (3 V/µs), gain bandwidth product (2 MHz), input bias current (0.1 pA), input offset voltage (500 µV), supply current (12 mA per channel), output current (25 mA per channel), and supply voltage range (14.5 V to 36 V). The 24-SOIC package dimensions and surface mount configuration are identical.

Q: What is the difference between ACF2101BUG4 and ACF2101BU?

A: The ACF2101BUG4 and ACF2101BU differ only in product status and packaging format. The ACF2101BUG4 is discontinued at DiGi Electronics, while the ACF2101BU is in active production. The ACF2101BU is supplied in tube packaging, whereas the ACF2101BUG4 packaging format was not specified. All electrical and mechanical specifications are identical.

Q: Are there any compliance or certification differences?

A: No. Both the ACF2101BUG4 and ACF2101BU maintain identical ROHS3 compliance status and MSL rating of 3 (168 Hours). Both are REACH Unaffected and classified under ECCN EAR99.

Q: What is the inventory status of these parts?

A: The ACF2101BUG4 has 677 pieces in stock but is discontinued. The ACF2101BU has 12,850 pieces in stock and is actively produced by Texas Instruments.

Q: Is the 24-SOIC package compatible with standard PCB assembly equipment?

A: Yes. The 24-SOIC package (0.295" × 7.50 mm width) is a standard surface mount package compatible with conventional pick-and-place and reflow soldering processes.

Q: What is the base product number for these devices?

A: The base product number for both the ACF2101BUG4 and ACF2101BU is ACF2101. The suffix designations indicate packaging and product status variations.