Specifications
| Type | Description |
|---|---|
| Part Number | INA282 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | SOIC-8 4.90 mm x 3.91 mm; VSSOP-8 3.00 mm x 3.00 mm |
| Common-Mode Input Voltage Range | -14 to +80 V; TA=-40°C to +125°C |
| Operating Supply Voltage | 2.7 to 18 V; TA=-40°C to +125°C |
| INA282 Gain | 50 V/V; V+=5 V; GND+0.5 V <= VOUT <= V+ - 0.5 V; VREF1=VREF2=V+/2 |
| Offset Voltage RTI | ±20 µV typ, ±70 µV max; VSENSE=0 mV, TA=25°C, V+=5 V, V+IN=12 V, VREF1=VREF2=2.048 V |
| Offset Voltage Drift | ±0.3 µV/°C typ, ±1.5 µV/°C max; VSENSE=0 mV, TA=-40°C to +125°C |
| Power-Supply Rejection Ratio | 3 µV/V typ; V+=2.7 V to 18 V, VSENSE=0 mV |
| Common-Mode Rejection Ratio | 120 dB min, 140 dB typ; V+IN=-14 V to +80 V, VSENSE=0 mV, TA=-40°C to +125°C |
| Input Bias Current Per Pin | 25 µA typ; VSENSE=0 mV |
| Input Offset Current | 1 µA typ; VSENSE=0 mV |
| Differential Input Impedance | 6 kΩ typ; TA=25°C, V+=5 V, V+IN=12 V, VREF1=VREF2=2.048 V |
| Reference Input Gain | 1 V/V; reference inputs REF1 and REF2 |
| Reference Input Voltage Range | 0 to +9 V; average voltage on REF1 and REF2 must be between GND and lesser of GND+9 V and V+ |
| Reference Divider Accuracy | ±0.2% typ, ±0.5% max; reference divider resistor matching configuration |
| INA282 Reference Voltage Rejection Ratio | ±25 µV/V typ, ±75 µV/V max; VREF1=VREF2=40 mV to 9 V, V+=18 V |
| INA282 Reference Voltage Rejection Drift | 0.055 µV/V/°C typ; TA=-40°C to +125°C |
| Gain Error | ±0.4% typ, ±1.4% max; INA282, INA283, INA286 |
| Gain Drift | 0.0008 %/°C typ, 0.005 %/°C max; TA=-40°C to +125°C |
| Nonlinearity Error | ±0.01% typ; TA=25°C, V+=5 V, V+IN=12 V, VREF1=VREF2=2.048 V |
| Output Impedance | 1.5 Ω typ; TA=25°C, V+=5 V, V+IN=12 V, VREF1=VREF2=2.048 V |
| Maximum Capacitive Load | 1 nF max; no sustained oscillation |
| Output Swing to V+ Rail | V+ - 0.17 V typ, V+ - 0.4 V max; V+=5 V, RLOAD=10 kΩ to GND, TA=-40°C to +125°C |
| Output Swing to GND | GND + 0.015 V typ, GND + 0.04 V max; RLOAD=10 kΩ to GND, TA=-40°C to +125°C |
| INA282 Effective Bandwidth | 10 kHz typ; TA=25°C, V+=5 V, V+IN=12 V, VREF1=VREF2=2.048 V |
| Voltage Noise Density RTI | 110 nV/√Hz typ; frequency=1 kHz |
| Quiescent Current | 600 µA typ, 900 µA max; TA=25°C, V+=5 V, V+IN=12 V, VREF1=VREF2=2.048 V |
| Absolute Maximum Supply Voltage | 18 V max; over operating free-air temperature range |
| Absolute Maximum Differential Input Voltage | -5 to +5 V; V+IN - V-IN; input voltages must not exceed common-mode rating |
| ESD Rating HBM | ±2000 V; per ANSI/ESDA/JEDEC JS-001 |
| ESD Rating CDM | ±1000 V; per JEDEC JESD22-C101 |
| Datasheet Status | request_only |
Product Overview
The INA282 from Texas Instruments is a Signal_Chain current shunt monitor intended for measuring voltage across a current-sense resistor. Its common-mode input voltage range is -14 to +80 V over TA=-40°C to +125°C, while the operating supply voltage range is 2.7 to 18 V. The INA282 gain is 50 V/V under the stated 5 V supply and mid-supply reference conditions.
Input and accuracy parameters include ±20 µV typical and ±70 µV maximum offset voltage RTI at 25°C, ±0.3 µV/°C typical offset drift, 120 dB minimum and 140 dB typical common-mode rejection, and ±0.4% typical gain error. The device also specifies 25 µA typical input bias current per pin, 1 µA typical input offset current, and 6 kΩ typical differential input impedance.
Output and integration details include 1.5 Ω typical output impedance, 1 nF maximum capacitive load for no sustained oscillation, 10 kHz typical effective bandwidth, and 600 µA typical quiescent current. Package choices are SOIC-8 and VSSOP-8, supporting compact current-monitor assembly layouts.
Key Features
- -14 to +80 V common-mode input range
- 2.7 to 18 V operating supply voltage
- 50 V/V fixed INA282 gain
- ±20 µV typical offset voltage RTI
- 120 dB minimum common-mode rejection ratio
- 10 kHz typical effective bandwidth
- 110 nV/√Hz typical RTI voltage noise density
- 600 µA typical quiescent current
- 1 nF maximum capacitive load
- SOIC-8 and VSSOP-8 package options
Typical Applications
- High-side current shunt monitoring
- Low-side current shunt monitoring
- Supply rail current measurement
- Battery path current sensing
- Motor current feedback
- Power management current measurement
- Load current monitoring
Procurement Notes
When requesting a quote for INA282, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What is the INA282 common-mode input voltage range?
The INA282 specifies a common-mode input voltage range from -14 to +80 V over TA=-40°C to +125°C, according to the extracted manufacturer datasheet facts.
What supply voltage range does the INA282 support?
The operating supply voltage range is 2.7 to 18 V over TA=-40°C to +125°C. The absolute maximum supply voltage is listed as 18 V over the operating free-air temperature range.
What gain and bandwidth are specified for INA282?
The INA282 gain is 50 V/V under the stated 5 V supply and reference conditions. Its typical effective bandwidth is 10 kHz at TA=25°C with V+=5 V and V+IN=12 V.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 7, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.