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AD822BRZ
+Lista de MateriaisIC OPAMP GP 2 CIRCUIT 8SOIC
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD822BRZ
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Pacote SOIC-8
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Em Estoque2821
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Especificações
| Atributo | Valor |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Amplifier Type | General Purpose |
| Number of Circuits | 2 |
| Output Type | Rail-to-Rail |
| Slew Rate | 3V/µs |
| Gain Bandwidth Product | 1.9 MHz |
| -3 dB Bandwidth | 1.9 MHz |
| Current - Input Bias | 2 pA |
| Voltage - Input Offset | 300 µV |
| Supply Current | 1.24mA |
| Current - Output / Channel | 20 mA |
| Voltage - Supply Span(Min) | 5 V |
| Voltage - Supply Span(Max) | 30 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
The AD822BRZ is typically used in medical instrumentation, industrial process controls, and data acquisition systems due to its robust performance and reliability. It is available in an 8-lead SOIC (Small Outline Integrated Circuit) package, which is suitable for surface-mount technology (SMT) applications. The device operates over a wide temperature range, ensuring consistent performance in both standard and harsh conditions. The AD822BRZ is part of the broader AD822 series, which includes variations to meet different application needs.
Equivalent
1. INA114 from Texas Instruments
2. MAX4198 from Maxim Integrated
3. LT1167 from Analog Devices (formerly Linear Technology)
4. MCP6N11 from Microchip Technology
These alternatives have similar functions and specifications, but it's important to verify each for exact compatibility with your specific application requirements.
Features
1. High Common-Mode Rejection Ratio (CMRR): It offers a typically high CMRR, which is crucial for rejecting noise and interference.
2. Gain Range: The amplifier provides a gain range from 1 to 1000, adjustable using a single external resistor.
3. Low Offset Voltage: It typically has a low offset voltage, enhancing measurement accuracy.
4. Low Noise: The amplifier exhibits low noise levels, making it suitable for applications requiring high precision.
5. Wide Supply Range: It can operate over a wide supply voltage range, typically from ±2.3 V to ±18 V.
6. High Bandwidth: The AD822BRZ provides a wide bandwidth, supporting fast signal processing applications.
7. Temperature Stability: The device maintains performance across a broad temperature range, ensuring reliability in varying conditions.
8. Small Package: It is available in a compact package, facilitating easy integration into circuits.
These features make the AD822BRZ suitable for applications in medical instrumentation, data acquisition, and industrial process controls.
Pinout
1. Pin 1 (RG): Gain-setting resistor pin. Connect an external resistor between this pin and Pin 8 to set the amplifier's gain.
2. Pin 2 (-IN): Inverting input.
3. Pin 3 (+IN): Non-inverting input.
4. Pin 4 (V- or -Vs): Negative power supply voltage input.
5. Pin 5 (REF): Reference voltage input. Used to offset the output voltage.
6. Pin 6 (OUT): Output.
7. Pin 7 (V+ or +Vs): Positive power supply voltage input.
8. Pin 8 (RG): Gain-setting resistor pin. Used in conjunction with Pin 1 to set the gain.
The AD822 is designed for precision amplification of low-level signals, providing high accuracy and low noise performance.
Manufacturer
Application
1. Medical Instrumentation: Enhances low-level signals from sensors in devices like ECGs and blood pressure monitors.
2. Industrial Automation: Used in strain gauge and load cell measurements for accurate industrial process control.
3. Precision Weighing Systems: Ensures precise weight measurements by amplifying sensor outputs.
4. Data Acquisition Systems: Provides accurate signal amplification for high-resolution analog-to-digital conversion.
5. Seismic and Geological Sensors: Amplifies low-frequency signals in seismic monitoring equipment.
6. Research and Development: Utilized in laboratory instruments that require high precision and low noise.
These applications benefit from the AD822BRZ's high accuracy, low offset voltage, and excellent common-mode rejection ratio.