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INA141UA
+Nomenclature-
FabricantTexas Instruments
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Pièce fabricant #INA141UA
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Fiche technique INA141UA DataSheet
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En stock6569
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Spécifications
| Attribut | Valeur |
| Package | Tube |
| ProductStatus | Active |
| AmplifierType | Instrumentation |
| NumberofCircuits | 1 |
| SlewRate | 4V/µs |
| -3dbBandwidth | 1 MHz |
| Current-InputBias | 2 nA |
| Voltage-InputOffset | 20 µV |
| Current-Supply | 750µA |
| Current-Output/Channel | 15 mA |
| Voltage-SupplySpan(Min) | 4.5 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Présentation
Description
Key features include its wide supply range, typically from ±2.25V to ±18V, which provides flexibility for various applications. The INA141UA offers a high common-mode rejection ratio (CMRR), ensuring that unwanted noise or interference is minimized, and an adjustable gain set by an external resistor, allowing it to be tailored for specific needs. It also has a low offset voltage and low offset drift, enhancing accuracy and stability over temperature variations.
The INA141UA is packaged in a standard SOIC-8 (Small Outline Integrated Circuit) form, making it suitable for space-constrained PCB layouts. It finds applications in medical instrumentation, industrial process controls, and precision data acquisition systems where high accuracy and reliability are crucial.
Equivalent
1. AD620 from Analog Devices
2. MAX4194 from Maxim Integrated
3. INA128 from Texas Instruments
4. LT1167 from Linear Technology (Analog Devices)
These alternatives offer similar functionality and can be used in applications requiring precision amplification of small differential signals. Always check the datasheets for compatibility with your specific design requirements.
Features
1. High Accuracy: Offers precision gain accuracy and excellent linearity.
2. Low Offset Voltage: Ensures minimal error with a low offset voltage, enhancing measurement accuracy.
3. Wide Supply Range: Operates over a wide power supply range, typically from ±2.25V to ±18V, suitable for various applications.
4. Low Noise: Features low noise performance, making it ideal for low-level signal measurements.
5. Gain Flexibility: Provides adjustable gain, typically set by external resistors, offering design flexibility.
6. High Common-Mode Rejection Ratio (CMRR): Offers excellent CMRR, crucial for rejecting noise and interference from common-mode signals.
7. Temperature Stability: Maintains performance across a wide temperature range, ensuring reliability in various environments.
8. Compact Package: Available in a standard SOIC-8 package, facilitating easy integration into circuit designs.
These features make the INA141UA suitable for applications requiring precise and stable amplification of small differential voltages, such as in medical instrumentation, industrial process controls, and data acquisition systems.
Pinout
1. V+ (Pin 7): Positive power supply voltage.
2. V- (Pin 4): Negative power supply voltage.
3. RG (Pins 1 and 8): Gain setting pins. A resistor can be connected between these pins to set the amplifier's gain.
4. +IN (Pin 3): Non-inverting input.
5. -IN (Pin 2): Inverting input.
6. REF (Pin 5): Reference voltage input. This pin is used to set the output reference level.
7. OUT (Pin 6): Output voltage.
The INA141UA is designed for high precision applications requiring accurate signal amplification, commonly used in data acquisition, medical instrumentation, and industrial process controls. It offers a wide range of gains, high input impedance, and low output noise, making it suitable for various instrumentation applications.
Manufacturer
Application
1. Medical Instrumentation: Used in devices like ECGs for precise measurement of bioelectric signals.
2. Industrial Automation: Essential in sensor signal conditioning for accurate monitoring and control.
3. Weigh Scales: Utilized in load cell signal amplification for precise weight measurements.
4. Data Acquisition Systems: Enhances signal integrity in data logging and monitoring setups.
5. Test and Measurement Equipment: Ensures high accuracy in various testing instruments.
6. Precision Current Sensing: Applied in circuits where accurate current measurement is critical.
These applications benefit from its high input impedance, low offset voltage, and excellent linearity.