ADS7890IPFBR Equivalent & Substitute Parts

Part Overview

The ADS7890IPFBR is a 14-bit Analog to Digital Converter (ADC) manufactured by Texas Instruments, designed for single-channel data acquisition applications. It features a Successive Approximation Register (SAR) architecture with a sampling rate of 1.25 MSPS and operates with external or internal voltage references. The device is housed in a 48-TQFP package and supports SPI data interface communication.

The ADS7890IPFBR is classified as obsolete. Locating equivalent or 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

ADS7890IPFBR

Texas InstrumentsIn Stock: 799ADS7890IPFBR Datasheet

Current PartRFQ

ADS7890IPFBT

Texas InstrumentsIn Stock: 1995ADS7890IPFBT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ADS7890IPFBR are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Parameters for Substitution:

• Resolution: 14 Bit
• Sampling Rate: 1.25 MSPS
• Number of Inputs: 1
• Input Type: Pseudo-Differential
• Architecture: SAR
• Data Interface: SPI
• Reference Type: External, Internal
• Analog Supply Voltage: 5V
• Digital Supply Voltage: 2.7V ~ 5.25V
• Operating Temperature Range: -40°C ~ 85°C
• Package Type: 48-TQFP (7x7)
• Mounting Type: Surface Mount

The ADS7890IPFBT meets all critical electrical and mechanical parameters and is therefore a direct substitute. Both parts share identical functional specifications, package geometry, and pin configuration, enabling direct replacement in existing designs.

Parameter Comparison

Engineering Selection Recommendations

The ADS7890IPFBT is the direct substitute for the ADS7890IPFBR. Both parts are manufactured by Texas Instruments and maintain identical electrical specifications, pin configurations, and package dimensions. The primary distinction is product status: the ADS7890IPFBR is obsolete, while the ADS7890IPFBT is active.

Selection of the ADS7890IPFBT is supported by:

• Identical functional performance across all critical parameters
• Active product status ensuring ongoing availability and supply chain support
• ROHS3 compliance and equivalent environmental certifications
• Identical moisture sensitivity rating and handling requirements
• Direct pin-for-pin compatibility with existing PCB designs

Frequently Asked Questions (FAQ)

Q: Can the ADS7890IPFBT directly replace the ADS7890IPFBR without PCB modifications?

A: Yes. Both parts share identical pin configurations, package geometry (48-TQFP 7x7), and electrical specifications. No PCB layout changes are required for substitution.

Q: What is the primary reason to substitute the ADS7890IPFBR?

A: The ADS7890IPFBR is classified as obsolete. The ADS7890IPFBT is an active product from the same manufacturer with identical specifications, ensuring continued availability and supply chain reliability.

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

A: Both parts are ROHS3 compliant and carry identical moisture sensitivity ratings (MSL 2, 1 Year). Environmental and regulatory compliance is equivalent.

Q: What packaging options are available for the substitute part?

A: The ADS7890IPFBT is available in Cut Tape (CT) and Digi-Reel packaging formats, as well as Tape & Reel (TR) configuration, providing flexibility for different procurement and assembly requirements.

Q: Are the supply voltage requirements identical?

A: Yes. Both parts require 5V analog supply and 2.7V to 5.25V digital supply voltage, with identical operating temperature ranges of -40°C to 85°C.