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INA122UA/2K5
+Lista de MateriaisIC INST AMP 1 CIRCUIT 8SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #INA122UA/2K5
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| BaseProductNumber | INA122 |
| AmplifierType | Instrumentation |
| NumberofCircuits | 1 |
| SlewRate | 0.16V/µs |
| Current-InputBias | 10 nA |
| Voltage-InputOffset | 150 µV |
| Current-Supply | 60µA |
| Voltage-SupplySpan(Min) | 2.2 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| SupplierDevicePackage | 8-SOIC |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
| -3dbBandwidth | 120 kHz |
| Current-Output/Channel | 30 mA |
Visão Geral
Description
The amplifier offers adjustable gain settings through a single external resistor, providing flexibility in various applications such as medical instrumentation, industrial process controls, and data acquisition systems. Its compact design is encapsulated in a standard surface-mount package, making it easy to incorporate into circuit boards. Additionally, the INA122UA/2K5 is engineered to maintain high performance across a broad temperature range, ensuring consistent operation in diverse environments. Overall, the INA122UA/2K5 is valued for its precision, efficiency, and adaptability in amplifying small sensor signals in complex electronic systems.
Equivalent
1. AD620 by Analog Devices
2. MAX4198 by Maxim Integrated
3. LT1167 by Linear Technology (now part of Analog Devices)
4. MCP6N11 by Microchip Technology
These alternatives offer similar functionality and performance characteristics, although slight differences in specifications might exist. Always verify datasheets to ensure compatibility with your specific application.
Features
1. Low Power Consumption: Operates with low power requirements, making it suitable for battery-operated devices.
2. Wide Supply Range: Compatible with single power supplies from 2.7V to 36V or dual supplies from ±1.35V to ±18V.
3. Low Offset Voltage: Offers a low offset voltage, enhancing precision in measurements.
4. High Common-Mode Rejection Ratio (CMRR): Provides excellent noise rejection, which is essential for accurate signal amplification.
5. Adjustable Gain: Gain can be set from 5 to over 1000 through an external resistor, offering flexibility for various applications.
6. Small Package: Available in a compact SOIC-8 package, suitable for space-constrained designs.
7. Temperature Range: Operates across a wide temperature range, typically from -40°C to 85°C, ensuring reliability in diverse environments.
These features make the INA122UA/2K5 ideal for applications such as sensor signal conditioning, medical instrumentation, and precision data acquisition systems.
Pinout
1. Pin 1 (RG): Gain Setting Pin. Connect a resistor between this pin and pin 8 to set the desired gain.
2. Pin 2 (V- IN): Inverting Input. Connect to the negative input signal.
3. Pin 3 (V+ IN): Non-Inverting Input. Connect to the positive input signal.
4. Pin 4 (V- OUT): Negative Supply Voltage. Connect to the negative power supply.
5. Pin 5 (Ref): Reference Voltage. Used to set the output zero level.
6. Pin 6 (V OUT): Output Voltage. This is where the amplified output signal is obtained.
7. Pin 7 (V+ SUPPLY): Positive Supply Voltage. Connect to the positive power supply.
8. Pin 8 (RG): Gain Setting Pin. Connect a resistor between this pin and pin 1 to set the desired gain.
This amplifier is designed for precision, low-power applications, and its gain can be easily adjusted by selecting the appropriate resistor.
Manufacturer
Application
1. Biomedical Instrumentation: For amplifying biosignals like ECGs, EEGs, and EMGs.
2. Industrial Process Controls: Used in sensor signal conditioning and monitoring.
3. Weigh Scales: For precise load cell signal amplification.
4. Data Acquisition Systems: Enhances signal quality from sensors for accurate data logging.
5. Strain Gauge Amplification: Ideal for bridge circuit signal conditioning.
6. Portable Instruments: Its low power consumption suits battery-powered devices.
7. Transducer Interface: Converts small sensor outputs to usable voltage levels.
These applications benefit from the INA122's high input impedance, low noise, and wide gain range.