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INA282AID
Texas Instruments
IC CURRENT MONITOR 0.4% 8SOIC
6973 Pcs New Original In Stock
Current Monitor Regulator High/Low-Side 8-SOIC
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (275 Ratings)
INA282AID
Product Overview
1297375
DiGi Electronics Part Number
INA282AID-DGManufacturer
Texas Instruments
INA282AID
Description
IC CURRENT MONITOR 0.4% 8SOICInventory
6973 Pcs New Original In Stock
Current Monitor Regulator High/Low-Side 8-SOIC
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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INA282AID Technical Specifications
Category
Power Management (PMIC), Current Regulation/Management
Packaging
Tube
Series
Zero-Drift
Product Status
Active
Function
Current Monitor
Sensing Method
High/Low-Side
Accuracy
±0.4%
Voltage - Input
-14V ~ 80V
Current - Output
-
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
8-SOIC
Base Product Number
INA282
Datasheet & Documents
Manufacturer Product Page
INA282AID Specifications
HTML Datasheet
INA282AID-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
-296-27704-5
TEXTISINA282AID
-296-27704-5-DG
296-27704-5
2156-INA282AID
-INA282AID-NDR
Standard Package
75
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
DiGi Electronics is my preferred brand for dependable and affordable solutions.
de desembre 02, 2025
The protective packaging gives us confidence in their products.
de desembre 02, 2025
I appreciate how DiGi combines affordability with environmentally friendly practices.
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Frequently Asked Questions (FAQ)
What are the key design risks when using the INA282AID in high-side current sensing applications above 60V, and how can I mitigate them?
When using the INA282AID for high-side sensing above 60V, the primary risk is transient voltage overshoot exceeding the -14V to 80V input range, especially in automotive or industrial environments with inductive loads. To mitigate this, place a low-capacitance TVS diode rated below 80V (e.g., SMAJ78A) close to the input pins and ensure PCB trace inductance is minimized. Additionally, verify common-mode rejection performance degrades slightly near the upper rail—TI’s zero-drift architecture helps, but layout symmetry and ground return paths must be carefully managed to maintain ±0.4% accuracy under dynamic loads.
Can the INA282AID be directly replaced with the INA240A2PWR in a 48V motor control system without redesigning the feedback loop?
Direct replacement of the INA282AID with the INA240A2PWR is not recommended without re-evaluation. While both support high-side sensing, the INA240 has a fixed gain of 20 V/V and lower bandwidth (250 kHz vs. INA282’s adjustable gain via external resistors), which may destabilize fast current control loops in motor drives. The INA282AID’s external gain flexibility allows fine-tuning for stability, whereas the INA240’s fixed gain could introduce phase margin issues. Always simulate or test loop response before swapping, especially in PWM-heavy applications.
How does the INA282AID’s zero-drift architecture impact long-term reliability in battery management systems operating at 125°C?
The INA282AID’s zero-drift architecture minimizes offset drift over time and temperature, which is critical for accurate state-of-charge estimation in battery management systems (BMS). However, at the upper end of its -40°C to 125°C range, internal chopping artifacts may couple into sensitive ADC inputs if not properly filtered. Use a 100Ω resistor in series with the output followed by a 10nF capacitor to ground to suppress high-frequency noise. Also, ensure the MSL2 rating is respected during assembly—exposure beyond 1 year without dry packing increases popcorning risk in reflow, degrading long-term reliability.
What layout considerations are critical when integrating the INA282AID into a compact 8-SOIC footprint on a 4-layer PCB for industrial power supplies?
For reliable performance with the INA282AID in an 8-SOIC package, dedicate a solid ground plane on Layer 2 and route the sense inputs (IN+ and IN−) as a tightly coupled Kelvin pair to minimize parasitic resistance and thermocouple effects. Keep the feedback resistors (for gain setting) within 5mm of the device to reduce noise pickup. Avoid routing high-current power traces beneath the IC, as magnetic coupling can induce measurement errors. Thermal vias under the exposed pad (if used) should connect to the ground plane—not a power net—to prevent ground bounce and maintain accuracy under load transients.
Is the INA282AID suitable for low-side current sensing in a 12V automotive application where ground integrity is compromised by chassis noise?
The INA282AID can be used for low-side sensing in 12V automotive systems, but it offers no inherent advantage over simpler shunt monitors in this configuration—and may introduce unnecessary cost and complexity. More critically, if the system ground is noisy due to shared chassis returns, the INA282AID’s reference to local ground means any ground bounce directly affects measurement accuracy. In such cases, consider isolating the measurement ground or switching to a dedicated low-side monitor like the INA180A1IDBZR, which is optimized for ground-referenced operation and lower cost. Reserve the INA282AID for high-side applications where its wide common-mode range and precision justify the design effort.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
INA282AID CAD Models
Texas Instruments INA282AID PCB symbols & footprints
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