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AD8422ARMZ
+NomenclatureIC INST AMP 1 CIRCUIT 8MSOP
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #AD8422ARMZ
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Package MSOP-8
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En stock4335
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Spécifications
| Attribut | Valeur |
| Package | Tube |
| ProductStatus | Active |
| AmplifierType | Instrumentation |
| NumberofCircuits | 1 |
| OutputType | Rail-to-Rail |
| SlewRate | 0.8V/µs |
| -3dbBandwidth | 2.2 MHz |
| Current-InputBias | 500 pA |
| Voltage-InputOffset | 70 µV |
| Current-Supply | 300µA |
| Current-Output/Channel | 20 mA |
| Voltage-SupplySpan(Min) | 4.6 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
Présentation
Description
This instrumentation amplifier is often used in applications requiring precise data acquisition, such as medical instrumentation, industrial process controls, and sensor interfaces. The AD8422ARMZ provides a high input impedance, minimizing the loading on the signal source, and has a programmable gain, which allows flexibility in the design.
The package type, ARMZ, indicates it is in a compact MSOP (Mini Small Outline Package) form, which is suitable for space-constrained applications. The AD8422ARMZ is valued for its robustness against electromagnetic interference and its ability to maintain performance stability over temperature variations, making it ideal for precision measurement scenarios.
Equivalent
Features
1. Low Noise: Exhibits low input noise of 3.2 nV/√Hz, making it suitable for precision applications.
2. High Common-Mode Rejection Ratio (CMRR): Offers up to 140 dB CMRR, enhancing signal integrity by minimizing interference.
3. Wide Gain Range: Supports a gain range from 1 to 1000, adjustable via a single external resistor.
4. Low Offset Voltage: Features a low offset voltage of 50 µV max, ensuring accuracy.
5. Rail-to-Rail Output: Provides a wide output swing, close to the supply rails.
6. Wide Supply Voltage Range: Operates on dual or single supply voltages, accommodating a range from ±2.3 V to ±18 V.
7. Temperature Range: Functions reliably over an extended industrial temperature range from -40°C to +85°C.
8. Compact Package: Available in a space-saving 8-lead MSOP package.
These features make the AD8422ARMZ ideal for medical instrumentation, strain gauge applications, and other precision measurement systems.
Pinout
1. +IN (Pin 1): Non-inverting input.
2. -IN (Pin 2): Inverting input.
3. RG (Pin 3): Gain resistor pin. Gain is set by connecting an external resistor between RG pins (Pins 3 and 4).
4. RG (Pin 4): Second gain resistor pin.
5. V- (Pin 5): Negative power supply.
6. REF (Pin 6): Reference voltage input pin. Used to set the output zero reference level.
7. OUTPUT (Pin 7): Output pin where the amplified output signal is available.
8. V+ (Pin 8): Positive power supply.
The AD8422ARMZ is designed for precision signal amplification, offering high accuracy, low power consumption, and low noise, making it suitable for applications such as medical instrumentation and industrial process controls.