사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | Current Sense |
| NumberofCircuits | 1 |
| SlewRate | 0.3V/µs |
| -3dbBandwidth | 600 kHz |
| Current-InputBias | 1.5 nA |
| Voltage-InputOffset | 150 µV |
| Current-Supply | 1.6mA |
| Voltage-SupplySpan(Min) | 4.5 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
개요
Description
The AD628ARZ-R7 is a precision difference amplifier from Analog Devices, designed for high-performance signal conditioning in various applications. It is commonly used in environments requiring the accurate measurement of differential signals in the presence of large common-mode voltages. The device is capable of handling common-mode voltages up to ±120V, making it suitable for interfacing with high-voltage systems.
Key features include a low input bias current and low offset voltage, enhancing measurement accuracy. The AD628ARZ-R7 offers a gain of 1 or 10, selectable via external resistors, and an output voltage range compatible with standard analog-to-digital converters. Its wide bandwidth and fast settling time make it ideal for high-speed applications.
The device is packaged in a compact SOIC-8 package, ensuring ease of integration into various circuit designs. It operates over a wide temperature range, enhancing reliability and performance consistency across different environmental conditions. This makes the AD628ARZ-R7 suitable for use in industrial, automotive, and instrumentation applications where precision and robustness are paramount.
Key features include a low input bias current and low offset voltage, enhancing measurement accuracy. The AD628ARZ-R7 offers a gain of 1 or 10, selectable via external resistors, and an output voltage range compatible with standard analog-to-digital converters. Its wide bandwidth and fast settling time make it ideal for high-speed applications.
The device is packaged in a compact SOIC-8 package, ensuring ease of integration into various circuit designs. It operates over a wide temperature range, enhancing reliability and performance consistency across different environmental conditions. This makes the AD628ARZ-R7 suitable for use in industrial, automotive, and instrumentation applications where precision and robustness are paramount.
Equivalent
The AD628ARZ-R7 is a precision difference amplifier from Analog Devices. Equivalent products might include the INA117 from Texas Instruments, the MAX4198 from Maxim Integrated, and the AD629 from Analog Devices itself. These are also precision difference amplifiers with similar functionality for handling high common-mode voltages, though specifications and features may vary, so it's advisable to review their datasheets to ensure compatibility with your application.
Features
The AD628ARZ-R7 is a precision difference amplifier designed for applications requiring accurate signal conditioning and level shifting. It allows for the attenuation of large differential voltages and translates them to a lower, manageable level suitable for standard ADCs or microcontrollers. Key features include:
1. Input Common-Mode Voltage Range: It supports a wide input common-mode voltage range, extending up to ±120V, which makes it suitable for high-voltage applications.
2. Differential Gain: Offers a fixed differential gain of 1, simplifying the design process by eliminating the need for external resistors for gain setting.
3. Low Noise: Ensures high-precision measurements with low noise performance.
4. High CMRR: Provides high common-mode rejection ratio, which is crucial for minimizing error in measurements, especially in noisy environments.
5. Output Voltage Range: Delivers a rail-to-rail output voltage range, enhancing its compatibility with low-voltage digital systems.
6. Temperature Range: Operates effectively across a wide industrial temperature range, from -40°C to +85°C.
7. Package: Offered in a small, space-saving SOIC package, suitable for compact designs.
These features make the AD628ARZ-R7 ideal for use in industrial and instrumentation applications, where precision and reliability are paramount.
1. Input Common-Mode Voltage Range: It supports a wide input common-mode voltage range, extending up to ±120V, which makes it suitable for high-voltage applications.
2. Differential Gain: Offers a fixed differential gain of 1, simplifying the design process by eliminating the need for external resistors for gain setting.
3. Low Noise: Ensures high-precision measurements with low noise performance.
4. High CMRR: Provides high common-mode rejection ratio, which is crucial for minimizing error in measurements, especially in noisy environments.
5. Output Voltage Range: Delivers a rail-to-rail output voltage range, enhancing its compatibility with low-voltage digital systems.
6. Temperature Range: Operates effectively across a wide industrial temperature range, from -40°C to +85°C.
7. Package: Offered in a small, space-saving SOIC package, suitable for compact designs.
These features make the AD628ARZ-R7 ideal for use in industrial and instrumentation applications, where precision and reliability are paramount.
Pinout
The AD628ARZ-R7 is an integrated circuit from Analog Devices, specifically a precision difference amplifier. It is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin configuration and functions:
1. V+ (Pin 8): Positive power supply.
2. V- (Pin 4): Negative power supply.
3. Ref (Pin 5): Reference voltage input, used to offset the output voltage.
4. Vin+ (Pin 2): Non-inverting input for the differential signal.
5. Vin- (Pin 3): Inverting input for the differential signal.
6. G (Pin 1): Gain setting pin; used to configure the gain of the amplifier.
7. Out (Pin 6): Output of the amplifier.
8. NC (Pin 7): No connection; not used in the circuit.
The AD628 is designed to accurately amplify small differential signals while rejecting large common-mode voltages. Its primary function is to condition signals for further processing, making it suitable for various applications, including data acquisition and sensor interfacing.
1. V+ (Pin 8): Positive power supply.
2. V- (Pin 4): Negative power supply.
3. Ref (Pin 5): Reference voltage input, used to offset the output voltage.
4. Vin+ (Pin 2): Non-inverting input for the differential signal.
5. Vin- (Pin 3): Inverting input for the differential signal.
6. G (Pin 1): Gain setting pin; used to configure the gain of the amplifier.
7. Out (Pin 6): Output of the amplifier.
8. NC (Pin 7): No connection; not used in the circuit.
The AD628 is designed to accurately amplify small differential signals while rejecting large common-mode voltages. Its primary function is to condition signals for further processing, making it suitable for various applications, including data acquisition and sensor interfacing.
Manufacturer
The AD628ARZ-R7 is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. These products are used in a wide range of applications, including communications, industrial, automotive, and consumer electronics. The company is well-known for its high-performance signal processing solutions, which include data converters, amplifiers, and other semiconductor products. Analog Devices is recognized for its strong focus on innovation and technology development, serving markets with demanding performance requirements.
Application
The AD628ARZ-R7 is a precision difference amplifier used in various applications requiring accurate signal conditioning and processing. Its key applications include industrial process controls, data acquisition systems, and instrumentation, where high common-mode voltage is present. It is also utilized in motor control systems, where robust signal isolation and precise monitoring are crucial. Additionally, the AD628ARZ-R7 is applied in medical instrumentation for its accuracy and reliability in handling differential signals. Its ability to function in environments with high common-mode voltages makes it suitable for power line monitoring and battery cell voltage measurements in energy management systems.
Package
The AD628ARZ-R7 is a precision difference amplifier typically housed in an SOIC-8 (Small Outline Integrated Circuit) package. This type of packaging is commonly used for surface-mounted devices in electronic circuits, facilitating efficient PCB layout and assembly.
