Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube |
| ProductStatus | Active |
| 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 | -55°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | 8-CDIP (0.300, 7.62mm) |
Tổng quan
Description
The AD620SQ/883B is a high-precision, low-power instrumentation amplifier designed by Analog Devices. It is commonly used in applications requiring precise low-level signal amplification, such as medical instrumentation, data acquisition, and industrial process controls. The device offers low noise, low offset voltage, and low bias current, making it suitable for demanding applications.
One of the key features of the AD620SQ/883B is its high Common-Mode Rejection Ratio (CMRR), which ensures accuracy by minimizing noise from common-mode signals. Additionally, the amplifier provides a gain of up to 10,000, allowing for significant signal amplification. It operates over a wide voltage range and is available in a standard 8-pin package, making it easy to integrate into various systems.
The "883B" designation indicates that the device meets stringent military specifications for reliability and performance, making it suitable for use in mission-critical applications. Overall, the AD620SQ/883B is valued for its precision, versatility, and robustness in challenging environments.
One of the key features of the AD620SQ/883B is its high Common-Mode Rejection Ratio (CMRR), which ensures accuracy by minimizing noise from common-mode signals. Additionally, the amplifier provides a gain of up to 10,000, allowing for significant signal amplification. It operates over a wide voltage range and is available in a standard 8-pin package, making it easy to integrate into various systems.
The "883B" designation indicates that the device meets stringent military specifications for reliability and performance, making it suitable for use in mission-critical applications. Overall, the AD620SQ/883B is valued for its precision, versatility, and robustness in challenging environments.
Equivalent
The AD620SQ/883B is a precision instrumentation amplifier from Analog Devices. Equivalent products include:
1. INA128/INA129 from Texas Instruments: Precision instrumentation amplifiers with similar features.
2. MAX4465/MAX4466 from Maxim Integrated: Low-noise amplifiers suitable for similar applications.
3. LT1167 from Analog Devices (formerly Linear Technology): Instrumentation amplifier with low power and precision.
These alternatives offer comparable functionality but may vary in specific parameters and performance characteristics. Always check datasheets for compatibility.
1. INA128/INA129 from Texas Instruments: Precision instrumentation amplifiers with similar features.
2. MAX4465/MAX4466 from Maxim Integrated: Low-noise amplifiers suitable for similar applications.
3. LT1167 from Analog Devices (formerly Linear Technology): Instrumentation amplifier with low power and precision.
These alternatives offer comparable functionality but may vary in specific parameters and performance characteristics. Always check datasheets for compatibility.
Features
The AD620SQ/883B is a precision instrumentation amplifier known for its high performance and reliability. Key features include:
1. Low Power Consumption: Operates with a low current of 1.3 mA, making it suitable for battery-powered applications.
2. High Accuracy: Offers low offset voltage (50 µV max) and low drift over temperature, enhancing measurement precision.
3. Low Noise: Delivers low noise performance (9 nV/√Hz), which is ideal for low-level signal amplification.
4. Wide Gain Range: Gain can be adjusted between 1 and 10,000 using a single external resistor, providing flexibility for various applications.
5. High Common-Mode Rejection Ratio (CMRR): Greater than 100 dB, ensuring excellent rejection of common-mode signals.
6. Wide Power Supply Range: Compatible with dual supplies from ±2.3 V to ±18 V or a single supply from 4.6 V to 36 V.
7. Temperature Range: Designed to operate reliably over a wide temperature range from -55°C to +125°C, which suits military and aerospace applications.
These features make the AD620SQ/883B ideal for precise and low-power applications, such as medical instrumentation and data acquisition systems.
1. Low Power Consumption: Operates with a low current of 1.3 mA, making it suitable for battery-powered applications.
2. High Accuracy: Offers low offset voltage (50 µV max) and low drift over temperature, enhancing measurement precision.
3. Low Noise: Delivers low noise performance (9 nV/√Hz), which is ideal for low-level signal amplification.
4. Wide Gain Range: Gain can be adjusted between 1 and 10,000 using a single external resistor, providing flexibility for various applications.
5. High Common-Mode Rejection Ratio (CMRR): Greater than 100 dB, ensuring excellent rejection of common-mode signals.
6. Wide Power Supply Range: Compatible with dual supplies from ±2.3 V to ±18 V or a single supply from 4.6 V to 36 V.
7. Temperature Range: Designed to operate reliably over a wide temperature range from -55°C to +125°C, which suits military and aerospace applications.
These features make the AD620SQ/883B ideal for precise and low-power applications, such as medical instrumentation and data acquisition systems.
Pinout
The AD620SQ/883B is a low-cost, high-accuracy instrumentation amplifier. It typically comes in an 8-pin package. Here's a concise breakdown of its pin functions:
1. Pin 1 (Rg): Gain Setting Resistor - Connect a resistor between this pin and pin 8 to set the gain.
2. Pin 2 (V- / -Vs): Negative Power Supply - Connect to the negative power supply voltage.
3. Pin 3 (Vin- / -IN): Inverting Input - Connect the inverting input signal here.
4. Pin 4 (Ref): Reference - Used to offset the output voltage. Normally connected to ground.
5. Pin 5 (Vout): Output - The output signal of the amplifier is available at this pin.
6. Pin 6 (Vin+ / +IN): Non-Inverting Input - Connect the non-inverting input signal here.
7. Pin 7 (V+ / +Vs): Positive Power Supply - Connect to the positive power supply voltage.
8. Pin 8 (Rg): Gain Setting Resistor - Used in conjunction with pin 1 to set the gain.
The AD620SQ/883B offers easy gain adjustment with a single resistor and is used in various applications requiring precision amplification of differential signals.
1. Pin 1 (Rg): Gain Setting Resistor - Connect a resistor between this pin and pin 8 to set the gain.
2. Pin 2 (V- / -Vs): Negative Power Supply - Connect to the negative power supply voltage.
3. Pin 3 (Vin- / -IN): Inverting Input - Connect the inverting input signal here.
4. Pin 4 (Ref): Reference - Used to offset the output voltage. Normally connected to ground.
5. Pin 5 (Vout): Output - The output signal of the amplifier is available at this pin.
6. Pin 6 (Vin+ / +IN): Non-Inverting Input - Connect the non-inverting input signal here.
7. Pin 7 (V+ / +Vs): Positive Power Supply - Connect to the positive power supply voltage.
8. Pin 8 (Rg): Gain Setting Resistor - Used in conjunction with pin 1 to set the gain.
The AD620SQ/883B offers easy gain adjustment with a single resistor and is used in various applications requiring precision amplification of differential signals.
Manufacturer
The AD620SQ/883B is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of semiconductor products and solutions. They are known for their focus on analog, mixed-signal, and digital signal processing technologies. The company provides a wide range of products, including data converters, amplifiers, radio frequency (RF) integrated circuits, power management products, sensors, and other components used in electronic systems.
Analog Devices serves various industries, such as automotive, consumer electronics, communications, industrial, healthcare, and aerospace. The AD620SQ/883B is an instrumentation amplifier, which is a type of component commonly used for precise and low-noise amplification of small signals in electronic equipment. The "883B" designation indicates that it meets specific military standards for reliability and performance, suggesting its use in high-reliability applications. Overall, Analog Devices is a key player in the semiconductor industry, known for its high-quality and innovative solutions.
Analog Devices serves various industries, such as automotive, consumer electronics, communications, industrial, healthcare, and aerospace. The AD620SQ/883B is an instrumentation amplifier, which is a type of component commonly used for precise and low-noise amplification of small signals in electronic equipment. The "883B" designation indicates that it meets specific military standards for reliability and performance, suggesting its use in high-reliability applications. Overall, Analog Devices is a key player in the semiconductor industry, known for its high-quality and innovative solutions.
Application
The AD620SQ/883B is a precision instrumentation amplifier commonly used in applications requiring accurate and stable signal amplification. Key application areas include:
1. Medical Instrumentation: Used for amplifying small physiological signals in ECG and EEG equipment.
2. Industrial Process Controls: Suitable for sensor signal conditioning in automated systems.
3. Data Acquisition Systems: Provides precise signal amplification for accurate data collection.
4. Weighing Scales: Enhances the sensitivity and accuracy of load cell outputs.
5. Strain Gauge Applications: Facilitates precise measurement of mechanical strain.
6. Biomedical Sensors: Offers stable signal amplification for various biosensors.
7. Portable Measurement Devices: Ideal for battery-operated devices due to low power consumption.
These applications benefit from the AD620SQ/883B's low noise, high accuracy, and low power requirements.
1. Medical Instrumentation: Used for amplifying small physiological signals in ECG and EEG equipment.
2. Industrial Process Controls: Suitable for sensor signal conditioning in automated systems.
3. Data Acquisition Systems: Provides precise signal amplification for accurate data collection.
4. Weighing Scales: Enhances the sensitivity and accuracy of load cell outputs.
5. Strain Gauge Applications: Facilitates precise measurement of mechanical strain.
6. Biomedical Sensors: Offers stable signal amplification for various biosensors.
7. Portable Measurement Devices: Ideal for battery-operated devices due to low power consumption.
These applications benefit from the AD620SQ/883B's low noise, high accuracy, and low power requirements.
Package
The AD620SQ/883B is a precision instrumentation amplifier from Analog Devices, and it typically comes in a ceramic dual in-line package (DIP) for military and aerospace applications, adhering to MIL-STD-883B standards for environmental conditions and screening.
