사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Amplifier Type | Instrumentation |
| Number of Circuits | 1 |
| Slew Rate | 2V/µs |
| -3 dB Bandwidth | 825 kHz |
| Current - Input Bias | 500 pA |
| Voltage - Input Offset | 60 µV |
| Supply Current | 900µA |
| Current - Output / Channel | 18 mA |
| Voltage - Supply Span(Min) | 4.6 V |
| Voltage - Supply Span(Max) | 36 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
개요
Description
The AD8221ARZ-R7 is a precision instrumentation amplifier from Analog Devices, designed for applications requiring high accuracy and stability. It offers a high Common-Mode Rejection Ratio (CMRR) and low input offset voltage, making it suitable for precision data acquisition systems, medical instrumentation, and sensor signal conditioning.
Key features include a wide gain range of 1 to 1000, set by a single external resistor, and a low noise level, which aids in minimizing signal distortion in low-level signal applications. The amplifier operates over a wide power supply range from ±1.35V to ±18V, allowing flexibility in various applications. Its small package size and low power consumption make it ideal for portable and space-constrained designs.
The AD8221ARZ-R7 is available in an 8-lead SOIC package and is specified over the industrial temperature range of -40°C to +85°C. It provides robust performance with a focus on precision, making it a reliable component for tasks that require accurate amplification of differential input signals.
Key features include a wide gain range of 1 to 1000, set by a single external resistor, and a low noise level, which aids in minimizing signal distortion in low-level signal applications. The amplifier operates over a wide power supply range from ±1.35V to ±18V, allowing flexibility in various applications. Its small package size and low power consumption make it ideal for portable and space-constrained designs.
The AD8221ARZ-R7 is available in an 8-lead SOIC package and is specified over the industrial temperature range of -40°C to +85°C. It provides robust performance with a focus on precision, making it a reliable component for tasks that require accurate amplification of differential input signals.
Equivalent
The AD8221ARZ-R7 is an instrumentation amplifier from Analog Devices. Equivalent products include:
1. INA118 from Texas Instruments: A precision instrumentation amplifier with similar specs.
2. MAX446 from Maxim Integrated: Offers similar instrumentation amplification features.
3. LT6370 from Analog Devices: Another low-drift instrumentation amplifier.
4. AMP03 from Analog Devices: Provides precision amplification with similar applications.
Always verify specific requirements and datasheets to ensure complete compatibility.
1. INA118 from Texas Instruments: A precision instrumentation amplifier with similar specs.
2. MAX446 from Maxim Integrated: Offers similar instrumentation amplification features.
3. LT6370 from Analog Devices: Another low-drift instrumentation amplifier.
4. AMP03 from Analog Devices: Provides precision amplification with similar applications.
Always verify specific requirements and datasheets to ensure complete compatibility.
Features
The AD8221ARZ-R7 is an instrumentation amplifier designed for precision and high-performance applications. Key features include:
1. High CMRR: Offers a Common-Mode Rejection Ratio of up to 100 dB, ensuring accurate signal amplification by minimizing noise interference.
2. Gain Range: Provides a flexible gain setting from 1 to 1000, adjustable via a single external resistor.
3. Wide Supply Range: Operates on dual supplies from ±2.3 V to ±18 V or a single supply from 2.3 V to 36 V, making it suitable for various power environments.
4. Low Offset Voltage: Features low input offset voltage of 25 μV max, enhancing precision in low-level signal applications.
5. Temperature Stability: Exhibits excellent temperature stability with low gain drift, suitable for temperature-sensitive environments.
6. Rail-to-Rail Output: Capable of outputs near both supply rails, maximizing output range.
7. Low Noise: Features low noise density, improving signal fidelity.
8. Compact Package: Available in a small MSOP package, suitable for space-constrained designs.
These features make the AD8221ARZ-R7 ideal for applications requiring precise amplification, such as medical instrumentation and data acquisition systems.
1. High CMRR: Offers a Common-Mode Rejection Ratio of up to 100 dB, ensuring accurate signal amplification by minimizing noise interference.
2. Gain Range: Provides a flexible gain setting from 1 to 1000, adjustable via a single external resistor.
3. Wide Supply Range: Operates on dual supplies from ±2.3 V to ±18 V or a single supply from 2.3 V to 36 V, making it suitable for various power environments.
4. Low Offset Voltage: Features low input offset voltage of 25 μV max, enhancing precision in low-level signal applications.
5. Temperature Stability: Exhibits excellent temperature stability with low gain drift, suitable for temperature-sensitive environments.
6. Rail-to-Rail Output: Capable of outputs near both supply rails, maximizing output range.
7. Low Noise: Features low noise density, improving signal fidelity.
8. Compact Package: Available in a small MSOP package, suitable for space-constrained designs.
These features make the AD8221ARZ-R7 ideal for applications requiring precise amplification, such as medical instrumentation and data acquisition systems.
Pinout
The AD8221ARZ-R7 is an instrumentation amplifier from Analog Devices. It is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin functions are as follows:
1. Ref (Pin 5): Reference terminal for output offset adjustment.
2. V+ (Pin 7): Positive power supply.
3. V− (Pin 4): Negative power supply.
4. Out (Pin 6): Output of the amplifier.
5. Rg (Pins 1 & 8): Gain setting resistor pins. The gain is determined by the resistor connected between these pins.
6. +IN (Pin 3): Non-inverting input.
7. −IN (Pin 2): Inverting input.
The AD8221 is designed for precision and low noise, suitable for applications needing high common-mode rejection and precise signal amplification.
1. Ref (Pin 5): Reference terminal for output offset adjustment.
2. V+ (Pin 7): Positive power supply.
3. V− (Pin 4): Negative power supply.
4. Out (Pin 6): Output of the amplifier.
5. Rg (Pins 1 & 8): Gain setting resistor pins. The gain is determined by the resistor connected between these pins.
6. +IN (Pin 3): Non-inverting input.
7. −IN (Pin 2): Inverting input.
The AD8221 is designed for precision and low noise, suitable for applications needing high common-mode rejection and precise signal amplification.
Manufacturer
The AD8221ARZ-R7 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a broad range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide array of industries, including consumer electronics, telecommunications, industrial automation, healthcare, and automotive. They specialize in producing components that are essential for converting, conditioning, and processing real-world phenomena such as light, sound, temperature, motion, and pressure into electrical signals for a variety of applications.
Application
The AD8221ARZ-R7 is an instrumentation amplifier commonly used in precision data acquisition systems, medical instrumentation, and industrial process controls. Its high accuracy and low noise performance make it ideal for applications like ECG and EEG monitoring, where precise small-signal amplification is critical. It is also frequently employed in strain gauge and pressure sensor interfaces, precision motor control systems, and temperature measurement setups. Additionally, the device's ability to operate over a wide range of temperatures makes it suitable for automotive and aerospace applications. Its robust performance in harsh environments also supports its use in military and avionics systems.
Package
The AD8221ARZ-R7 is an instrumentation amplifier by Analog Devices, packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package, and is typically supplied on a reel for automated assembly.
