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AD620AR
+Lista de MateriaisIC INST AMP 1 CIRCUIT 8SOIC
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD620AR
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Pacote SOIC-8
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Especificações
| Atributo | Valor |
| Package | Bulk,Tube |
| ProductStatus | Obsolete |
| AmplifierType | Instrumentation |
| NumberofCircuits | 1 |
| SlewRate | 1.2V/µs |
| -3dbBandwidth | 1 MHz |
| Current-InputBias | 500 pA |
| Voltage-InputOffset | 30 µV |
| Current-Supply | 900µA |
| Current-Output/Channel | 18 mA |
| Voltage-SupplySpan(Min) | 4.6 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Visão Geral
Description
The device features a gain range of 1 to 10,000, which is easily adjustable through a single external resistor. This flexibility makes it suitable for a variety of applications, including medical instrumentation, data acquisition systems, and industrial process controls.
The AD620AR operates with a wide power supply range, from ±2.3V to ±18V, and has a low power consumption of approximately 1.3 mA. Its compact 8-pin SOIC package allows for space-efficient design solutions.
Additionally, the AD620AR maintains high performance across its entire operating range, ensuring reliable and precise signal amplification. It is particularly well-suited for bridging inputs, sensor inputs, and other applications where the quality of signal integrity is critical.
Equivalent
1. INA126 by Texas Instruments
2. MAX4466 by Maxim Integrated
3. LT1167 by Analog Devices
4. INA128 by Texas Instruments
These alternatives offer similar functionalities and performance, serving as potential substitutes depending on specific application requirements. Always check the datasheets to ensure compatibility with your project's specifications.
Features
1. High Accuracy: It offers low offset voltage of 50 µV max (B grade) and low offset drift, which makes it suitable for precision applications.
2. High Gain: The gain range is adjustable from 1 to 10,000 using a single external resistor, providing flexibility in different applications.
3. Low Power: With a power consumption of 1.3 mA, it is efficient for battery-powered devices.
4. Low Noise: The amplifier has a low input voltage noise of 9 nV/√Hz and low current noise, ensuring clear signal amplification.
5. Wide Supply Range: It operates from ±2.3 V to ±18 V, making it versatile for various supply voltages.
6. High Common-Mode Rejection Ratio (CMRR): With a CMRR of 100 dB, it effectively rejects unwanted signals from common-mode interference.
7. Compact Packaging: Available in an 8-pin SOIC package, it is suitable for space-constrained designs.
These features make the AD620AR ideal for medical instrumentation, strain gauges, and other precision measurement applications.
Pinout
1. Pin 1 (Ref): Reference terminal. A voltage applied here shifts the output voltage by the same amount. Typically connected to ground for differential measurements.
2. Pin 2 (-IN): Inverting input. Connects to the negative side of the input voltage.
3. Pin 3 (+IN): Non-inverting input. Connects to the positive side of the input voltage.
4. Pin 4 (-V): Negative power supply. Provides the negative supply voltage.
5. Pin 5 (RG): Gain resistor pin. Gain is set by connecting a resistor between pins 1 and 8. If left open, the gain defaults to 1.
6. Pin 6 (Output): Output terminal. Provides the amplified output signal.
7. Pin 7 (+V): Positive power supply. Provides the positive supply voltage.
8. Pin 8 (RG): Gain resistor pin. Works with Pin 5 to set the gain via an external resistor.
The AD620AR is known for its low power consumption and high accuracy, making it suitable for precision data acquisition systems.
Manufacturer
Application
1. Medical Instrumentation: Used in ECG, EEG, and blood pressure monitors for accurate physiological signal amplification.
2. Industrial Process Controls: Utilized in systems for monitoring and controlling industrial processes.
3. Weigh Scales: Helps in load cell signal conditioning for accurate weight measurements.
4. Thermocouple Amplification: Used in temperature measurement systems to amplify thermocouple signals.
5. Transducer Interfaces: Suitable for interfacing with various transducers in sensing applications.
Its high accuracy, low power consumption, and robust performance make it ideal for these sensitive and precise applications.