INA190A1IDDFT Equivalent & Substitute Parts Reference

Part Overview

The Texas Instruments INA190A1IDDFT is a current sense amplifier designed for precision measurement in electronic systems. It features a single circuit with rail-to-rail output, supports zero-drift technology for enhanced accuracy, and is housed in a compact TSOT-23-8 surface-mount package. The product status for INA190A1IDDFT is marked as “Last Time Buy,” indicating that design engineers and procurement teams need suitable substitute models to maintain design continuity and ensure future availability without altering performance or form factor.

Substiute Parts

INA190A1IDDFT

Texas InstrumentsIn Stock: 3874INA190A1IDDFT Datasheet

Current PartRFQ

INA190A1IDDFR

Texas InstrumentsIn Stock: 8462INA190A1IDDFR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the INA190A1IDDFT must match all specified electrical and mechanical parameters to ensure compatibility. Only parts with identical amplifier type, number of circuits, output type, slew rate, bandwidth, package, mounting type, and environmental compliance are considered valid substitutes in the current sense amplifier category. Compliance fields such as RoHS, MSL, and REACH must also align to maintain regulatory conformity.

Parameter Comparison

Engineering Selection Recommendations

Selection of the INA190A1IDDFR as a substitute for INA190A1IDDFT is supported by matching product status (active), identical RoHS, MSL, and REACH compliance designations. Both components share category, package dimensions, and all specified mechanical and electrical parameters. Use of the INA190A1IDDFR ensures consistent regulatory compliance and supply continuity in new or replenishment designs within the linear amplifier category.

Frequently Asked Questions (FAQ)

Q1: What electrical parameters must match for substitution in current sense amplifiers?
A1: Amplifier type, number of circuits, output type, slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, voltage supply span, and operating temperature range must all be identical.

Q2: Is package equivalence critical when substituting INA190A1IDDFT?
A2: Package/case (SOT-23-8) and supplier device package (TSOT-23-8) must be the same to ensure mechanical and footprint compatibility on the PCB.

Q3: How do environmental certifications impact substitute selection?
A3: RoHS, Moisture Sensitivity Level (MSL), and REACH compliance must align exactly with the original part to maintain regulatory and quality standards.

Q4: Can INA190A1IDDFR be directly used in designs specifying INA190A1IDDFT?
A4: All provided parameters for INA190A1IDDFT are matched by INA190A1IDDFR, permitting direct substitution within linear amplifier applications.

Q5: What product status should engineers consider when approving substitutes?
A5: Selecting substitutes with an "Active" product status ensures ongoing availability for production and procurement cycles.