Imagens apenas para referência
AD8422BRMZ
+Lista de MateriaisIC INST AMP 1 CIRCUIT 8MSOP
-
FabricanteAnalog Devices Inc.
-
Peça do Fabricante #AD8422BRMZ
-
Pacote MSOP-8
-
Em Estoque2679
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package | Tube |
| ProductStatus | Active |
| AmplifierType | Instrumentation |
| NumberofCircuits | 1 |
| OutputType | Rail-to-Rail |
| SlewRate | 0.8V/µs |
| -3dbBandwidth | 2.2 MHz |
| Current-InputBias | 200 pA |
| Voltage-InputOffset | 50 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) |
Visão Geral
Description
Key features of the AD8422BRMZ include a low input bias current, low offset voltage, and low offset drift, which contribute to its precise performance in instrumentation applications. The amplifier has a fixed gain of 1 and allows for easy gain adjustment using external resistors. Its low power consumption and small MSOP package make it suitable for portable and space-constrained designs.
The AD8422BRMZ is commonly used in medical instrumentation, data acquisition systems, and industrial process controls where high accuracy and reliability are essential. Its robust performance ensures accurate amplification of small differential signals in the presence of large common-mode voltages.
Equivalent
1. INA128 from Texas Instruments
2. MAX4462 from Maxim Integrated
3. LT1167 from Analog Devices (Linear Technology)
4. AD623 from Analog Devices
Each of these alternatives may have slightly different specifications, so it's important to compare key parameters like gain accuracy, bandwidth, noise performance, and power supply requirements to ensure compatibility with your application.
Features
1. High CMRR: It boasts an exceptional common-mode rejection ratio (CMRR) of up to 140 dB, enhancing its ability to suppress common-mode noise.
2. Low Noise: The amplifier offers a low input noise density of 3 nV/√Hz, making it suitable for precise low-level signal measurements.
3. Wide Supply Range: It supports a dual power supply range from ±2.3 V to ±18 V, providing flexibility in various applications.
4. Low Offset Voltage: The device features a low offset voltage of 50 µV, which minimizes error in output.
5. High Gain Accuracy: It offers a gain accuracy of 0.1% and gain bandwidth product of 10 MHz, ensuring precise amplification of input signals.
6. Temperature Range: The AD8422BRMZ operates efficiently across a wide temperature range from -40°C to +85°C.
7. Input Protection: It includes input protection to tolerate high overvoltages, safeguarding the device from potential damage.
These features make the AD8422BRMZ suitable for various applications, including medical instrumentation, data acquisition systems, and industrial process controls.
Pinout
1. +IN (Pin 1): Non-inverting input.
2. -IN (Pin 2): Inverting input.
3. REF (Pin 3): Reference voltage input. Used to offset the output.
4. RG (Pin 4): Gain resistor pin. Connects to an external resistor to set the gain.
5. -Vs (Pin 5): Negative power supply.
6. OUT (Pin 6): Output pin.
7. +Vs (Pin 7): Positive power supply.
8. RG (Pin 8): Gain resistor pin. Connects to an external resistor to set the gain.
The AD8422 offers high CMRR (Common-Mode Rejection Ratio), low offset voltage, and low input bias current, making it suitable for differential signal measurements in noisy environments.
Manufacturer
Application
1. Medical Instrumentation: Used in ECG and EEG equipment for precise bio-signal acquisition.
2. Industrial Automation: Employed in sensor signal conditioning for pressure, temperature, and flow sensors.
3. Data Acquisition Systems: Offers high accuracy and stability for capturing and processing analog data.
4. Test and Measurement Equipment: Enhances the performance of devices measuring voltage, current, and resistance.
5. Weigh Scales and Load Cells: Provides accurate signal amplification for load measurement systems.
Its low noise, high common-mode rejection ratio (CMRR), and wide supply voltage range make it versatile for precision applications.