Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| 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) |
Overview
Description
The AD628ARZ is a high-precision instrumentation amplifier designed by Analog Devices. It is tailored for applications requiring accurate signal conditioning and amplification. This device is known for its ability to handle a wide range of common-mode voltages, making it suitable for interfacing with sensors in various environments. The AD628ARZ features a differential input and provides excellent common-mode rejection, which is critical for minimizing noise and interference in measurements.
The amplifier offers a gain set by external resistors, allowing flexibility in designing circuits to meet specific requirements. It operates over a wide supply range and provides high accuracy and stability, even in varying environmental conditions. The AD628ARZ is commonly used in industrial, automotive, and instrumentation applications where precision and reliability are paramount.
Its compact package and robust performance make it an ideal choice for designers looking to achieve high-performance analog signal processing in compact form factors. The AD628ARZ ensures efficient and accurate data conversion from sensors to digital systems, enhancing the overall performance of measurement and control systems.
The amplifier offers a gain set by external resistors, allowing flexibility in designing circuits to meet specific requirements. It operates over a wide supply range and provides high accuracy and stability, even in varying environmental conditions. The AD628ARZ is commonly used in industrial, automotive, and instrumentation applications where precision and reliability are paramount.
Its compact package and robust performance make it an ideal choice for designers looking to achieve high-performance analog signal processing in compact form factors. The AD628ARZ ensures efficient and accurate data conversion from sensors to digital systems, enhancing the overall performance of measurement and control systems.
Equivalent
The AD628ARZ is a difference amplifier often used for signal conditioning applications. Equivalent or similar products include the INA128 and INA118 from Texas Instruments, the MAX4208 from Maxim Integrated, and the LT1990 from Analog Devices. These alternatives offer similar functionalities such as differential input, high input impedance, and a wide range of gain options. Ensure compatibility with your specific application requirements when selecting an alternative.
Features
The AD628ARZ is a high-performance difference amplifier from Analog Devices, designed for applications requiring precision and flexibility. Key features include:
1. Wide Input Signal Range: It can handle input voltages up to ±120V, allowing it to accommodate a variety of signal levels.
2. High Common-Mode Rejection Ratio (CMRR): It offers a CMRR of 86 dB, which is crucial for accurate differential signal processing, especially in noisy environments.
3. Programmable Gain: The device provides programmable gain options, enhancing its versatility in different applications.
4. Low Distortion: It is designed for low total harmonic distortion, making it suitable for high-fidelity signal processing.
5. Low Offset Voltage: With a low offset voltage of 100 μV, it ensures minimal error in signal amplification.
6. Wide Supply Range: The AD628ARZ can operate on dual supplies ranging from ±2.25V to ±18V, or a single supply from 4.5V to 36V.
7. Temperature Range: It operates effectively across a wide temperature range, from -40°C to +85°C.
These features make the AD628ARZ ideal for precision instrumentation, industrial controls, and data acquisition systems.
1. Wide Input Signal Range: It can handle input voltages up to ±120V, allowing it to accommodate a variety of signal levels.
2. High Common-Mode Rejection Ratio (CMRR): It offers a CMRR of 86 dB, which is crucial for accurate differential signal processing, especially in noisy environments.
3. Programmable Gain: The device provides programmable gain options, enhancing its versatility in different applications.
4. Low Distortion: It is designed for low total harmonic distortion, making it suitable for high-fidelity signal processing.
5. Low Offset Voltage: With a low offset voltage of 100 μV, it ensures minimal error in signal amplification.
6. Wide Supply Range: The AD628ARZ can operate on dual supplies ranging from ±2.25V to ±18V, or a single supply from 4.5V to 36V.
7. Temperature Range: It operates effectively across a wide temperature range, from -40°C to +85°C.
These features make the AD628ARZ ideal for precision instrumentation, industrial controls, and data acquisition systems.
Pinout
The AD628ARZ is a high common-mode difference amplifier manufactured by Analog Devices. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here’s a brief description of its pin functions:
1. Pin 1 (NC - No Connect): This pin is not internally connected.
2. Pin 2 (IN +): Non-inverting input for the differential amplifier.
3. Pin 3 (IN -): Inverting input for the differential amplifier.
4. Pin 4 (GND): Ground reference for the device.
5. Pin 5 (VS -): Negative supply voltage pin.
6. Pin 6 (VOUT): Output voltage pin where the amplified signal is available.
7. Pin 7 (VS +): Positive supply voltage pin.
8. Pin 8 (RG): Gain resistor connection for setting the gain of the amplifier.
The AD628ARZ is designed for applications requiring high common-mode voltage rejection, such as current shunt monitoring and other signal conditioning tasks.
1. Pin 1 (NC - No Connect): This pin is not internally connected.
2. Pin 2 (IN +): Non-inverting input for the differential amplifier.
3. Pin 3 (IN -): Inverting input for the differential amplifier.
4. Pin 4 (GND): Ground reference for the device.
5. Pin 5 (VS -): Negative supply voltage pin.
6. Pin 6 (VOUT): Output voltage pin where the amplified signal is available.
7. Pin 7 (VS +): Positive supply voltage pin.
8. Pin 8 (RG): Gain resistor connection for setting the gain of the amplifier.
The AD628ARZ is designed for applications requiring high common-mode voltage rejection, such as current shunt monitoring and other signal conditioning tasks.
Manufacturer
The AD628ARZ 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 (DSP) integrated circuits used in electronic equipment. They focus on a wide range of applications including data conversion, signal processing, power management, and RF products. Analog Devices serves various markets such as industrial, automotive, communication, healthcare, and consumer electronics.
Application
The AD628ARZ is a precision difference amplifier commonly used in applications requiring the measurement and conditioning of small differential signals in the presence of large common-mode voltages. Its application areas include:
1. Industrial process controls for monitoring sensor outputs.
2. Automotive systems, such as battery management and sensor interfacing.
3. Data acquisition systems where accurate differential signal amplification is required.
4. Instrumentation for scientific and medical instruments.
5. Energy and power monitoring systems.
6. Telecommunications equipment for signal integrity and conditioning.
Its ability to handle high common-mode voltages and provide excellent accuracy makes it suitable for environments requiring robust and reliable signal processing.
1. Industrial process controls for monitoring sensor outputs.
2. Automotive systems, such as battery management and sensor interfacing.
3. Data acquisition systems where accurate differential signal amplification is required.
4. Instrumentation for scientific and medical instruments.
5. Energy and power monitoring systems.
6. Telecommunications equipment for signal integrity and conditioning.
Its ability to handle high common-mode voltages and provide excellent accuracy makes it suitable for environments requiring robust and reliable signal processing.
Package
The AD628ARZ is an instrumentation amplifier from Analog Devices, housed in an SOIC-8 package. This package type is a small outline integrated circuit with 8 pins, designed for surface mount technology, offering a compact footprint suitable for various electronic applications.