仕様
| 属性 | 値 |
| Package / Case | Tube |
| Part Status | Active |
| Amplifier Type | Instrumentation |
| Number of Circuits | 1 |
| Slew Rate | 1.2V/µs |
| -3 dB Bandwidth | 1 MHz |
| Current - Input Bias | 500 pA |
| Voltage - Input Offset | 15 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 |
概要
Description
The AD620BRZ is a low-cost, high-precision instrumentation amplifier manufactured by Analog Devices. It is designed for use in data acquisition systems, medical instrumentation, and industrial process controls. The component is known for its low power consumption, typically requiring only 1.3 mA, and operates on a wide supply voltage range of ±2.3 V to ±18 V. This makes it versatile for various applications.
The AD620BRZ amplifier features low input bias currents, low offset voltage, and high common-mode rejection ratio (CMRR), ensuring accurate and stable signal amplification. Its gain can be easily set from 1 to 1000 using a single external resistor, which adds to its flexibility. It is available in an 8-pin SOIC package, making it suitable for compact circuit designs.
This device is highly regarded for its ability to amplify small differential voltages in the presence of large common-mode voltages, providing an ideal solution for applications requiring precise and reliable measurements. Its robust performance and cost-effectiveness make it a popular choice in the field of precision instrumentation.
The AD620BRZ amplifier features low input bias currents, low offset voltage, and high common-mode rejection ratio (CMRR), ensuring accurate and stable signal amplification. Its gain can be easily set from 1 to 1000 using a single external resistor, which adds to its flexibility. It is available in an 8-pin SOIC package, making it suitable for compact circuit designs.
This device is highly regarded for its ability to amplify small differential voltages in the presence of large common-mode voltages, providing an ideal solution for applications requiring precise and reliable measurements. Its robust performance and cost-effectiveness make it a popular choice in the field of precision instrumentation.
Equivalent
The AD620BRZ is a low-cost, precision instrumentation amplifier. Equivalent products include:
1. INA128 by Texas Instruments
2. MAX4198 by Maxim Integrated
3. LT1167 by Analog Devices (formerly Linear Technology)
4. AMP02 by Analog Devices
These alternatives offer similar functionalities and can be considered based on specific performance requirements and availability. Always verify the specifications to ensure compatibility with your application.
1. INA128 by Texas Instruments
2. MAX4198 by Maxim Integrated
3. LT1167 by Analog Devices (formerly Linear Technology)
4. AMP02 by Analog Devices
These alternatives offer similar functionalities and can be considered based on specific performance requirements and availability. Always verify the specifications to ensure compatibility with your application.
Features
The AD620BRZ is a low-cost, high-accuracy instrumentation amplifier designed by Analog Devices. Key features include:
1. Low Power Consumption: It operates with a low supply current of 1.3 mA, making it suitable for battery-powered applications.
2. High Accuracy: The device offers low offset voltage (maximum 50 µV) and low offset voltage drift (0.6 µV/°C), ensuring precise measurement capabilities.
3. Wide Gain Range: Users can easily set the gain from 1 to 1000 using a single external resistor, allowing for flexibility in various applications.
4. Wide Supply Voltage Range: It operates with dual or single supply voltages, ranging from ±2.3 V to ±18 V or 4.6 V to 36 V, respectively.
5. Low Noise: The amplifier features low input bias current and low noise (8 nV/√Hz at 1 kHz), which is ideal for low-level signal amplification.
6. Small Package: The AD620BRZ is available in an 8-lead SOIC package, which is compact and suitable for space-constrained designs.
These features make the AD620BRZ ideal for medical instrumentation, data acquisition, and industrial process controls.
1. Low Power Consumption: It operates with a low supply current of 1.3 mA, making it suitable for battery-powered applications.
2. High Accuracy: The device offers low offset voltage (maximum 50 µV) and low offset voltage drift (0.6 µV/°C), ensuring precise measurement capabilities.
3. Wide Gain Range: Users can easily set the gain from 1 to 1000 using a single external resistor, allowing for flexibility in various applications.
4. Wide Supply Voltage Range: It operates with dual or single supply voltages, ranging from ±2.3 V to ±18 V or 4.6 V to 36 V, respectively.
5. Low Noise: The amplifier features low input bias current and low noise (8 nV/√Hz at 1 kHz), which is ideal for low-level signal amplification.
6. Small Package: The AD620BRZ is available in an 8-lead SOIC package, which is compact and suitable for space-constrained designs.
These features make the AD620BRZ ideal for medical instrumentation, data acquisition, and industrial process controls.
Pinout
The AD620BRZ is an instrumentation amplifier with an 8-pin configuration. Here is a concise breakdown of the pin functions:
1. Pin 1 (Ref): Reference voltage. Used for offsetting the output voltage.
2. Pin 2 (-IN): Inverting input. Part of the differential input pair.
3. Pin 3 (+IN): Non-inverting input. Part of the differential input pair.
4. Pin 4 (-Vs): Negative power supply voltage.
5. Pin 5 (RG): Gain setting. An external resistor connected between pins 1 and 8 sets the gain.
6. Pin 6 (Vout): Output voltage. Provides the amplified signal.
7. Pin 7 (+Vs): Positive power supply voltage.
8. Pin 8 (RG): Gain setting. Connects to pin 5 with an external resistor to set the gain.
The AD620BRZ is designed for low power and precision applications, offering low offset voltage and low noise, making it ideal for sensor interfaces, medical instrumentation, and data acquisition systems.
1. Pin 1 (Ref): Reference voltage. Used for offsetting the output voltage.
2. Pin 2 (-IN): Inverting input. Part of the differential input pair.
3. Pin 3 (+IN): Non-inverting input. Part of the differential input pair.
4. Pin 4 (-Vs): Negative power supply voltage.
5. Pin 5 (RG): Gain setting. An external resistor connected between pins 1 and 8 sets the gain.
6. Pin 6 (Vout): Output voltage. Provides the amplified signal.
7. Pin 7 (+Vs): Positive power supply voltage.
8. Pin 8 (RG): Gain setting. Connects to pin 5 with an external resistor to set the gain.
The AD620BRZ is designed for low power and precision applications, offering low offset voltage and low noise, making it ideal for sensor interfaces, medical instrumentation, and data acquisition systems.
Manufacturer
The AD620BRZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These components are used in a wide range of electronic equipment. The company serves various markets including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for producing high-performance semiconductors that are used in applications requiring precise measurements and signal processing.
Application
The AD620BRZ is a low-cost, high-precision instrumentation amplifier commonly used in various applications. Key areas include:
1. Medical Equipment: Used in ECG and EEG systems for bio-signal acquisition due to its high input impedance and low noise.
2. Industrial Automation: Employed in sensor interfaces and data acquisition systems for accurate signal amplification.
3. Weigh Scales: Utilized in load cell signal conditioning for precise weight measurements.
4. Temperature Measurement: Applied in thermocouple and RTD signal conditioning for accurate temperature readings.
5. Research and Development: Used in laboratories for precision signal amplification in experimental setups.
These applications leverage its features such as low power consumption, high CMRR, and excellent gain accuracy.
1. Medical Equipment: Used in ECG and EEG systems for bio-signal acquisition due to its high input impedance and low noise.
2. Industrial Automation: Employed in sensor interfaces and data acquisition systems for accurate signal amplification.
3. Weigh Scales: Utilized in load cell signal conditioning for precise weight measurements.
4. Temperature Measurement: Applied in thermocouple and RTD signal conditioning for accurate temperature readings.
5. Research and Development: Used in laboratories for precision signal amplification in experimental setups.
These applications leverage its features such as low power consumption, high CMRR, and excellent gain accuracy.
Package
The AD620BRZ is an instrumentation amplifier from Analog Devices, and it comes in an SOIC-8 (Small Outline Integrated Circuit) package type. This surface-mount package generally features 8 pins and is commonly used for compact and space-efficient circuit designs.
