Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Active |
| AmplifierType | General Purpose |
| NumberofCircuits | 1 |
| SlewRate | 20V/µs |
| GainBandwidthProduct | 110 MHz |
| -3dbBandwidth | 8 MHz |
| Current-InputBias | 250 nA |
| Voltage-InputOffset | 25 µV |
| Current-Supply | 8.2mA |
| Current-Output/Channel | 50 mA |
| Voltage-SupplySpan(Min) | 10 V |
| Voltage-SupplySpan(Max) | 30 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
The AD797ARZ is a high-precision operational amplifier manufactured by Analog Devices. Known for its low noise and distortion, it is particularly suited for audio and instrumentation applications. The amplifier features a low total harmonic distortion (THD) of 0.0001% and an ultra-low input voltage noise of 0.9 nV/√Hz, making it ideal for high-fidelity audio equipment and sensitive measurement devices.
The AD797ARZ operates over a wide supply voltage range from ±5V to ±15V and provides a high slew rate of 20 V/μs, ensuring rapid response to input changes. Its excellent DC precision, with low offset voltage and drift, enhances the performance in applications requiring long-term accuracy.
The device is available in a standard 8-pin SOIC package, allowing for easy integration into a variety of circuit designs. Its versatility makes it suitable for medical instrumentation, professional audio equipment, and high-quality data acquisition systems. Overall, the AD797ARZ offers a robust solution for demanding analog signal processing tasks where precision and low noise are critical.
The AD797ARZ operates over a wide supply voltage range from ±5V to ±15V and provides a high slew rate of 20 V/μs, ensuring rapid response to input changes. Its excellent DC precision, with low offset voltage and drift, enhances the performance in applications requiring long-term accuracy.
The device is available in a standard 8-pin SOIC package, allowing for easy integration into a variety of circuit designs. Its versatility makes it suitable for medical instrumentation, professional audio equipment, and high-quality data acquisition systems. Overall, the AD797ARZ offers a robust solution for demanding analog signal processing tasks where precision and low noise are critical.
Equivalent
The AD797ARZ is a high-performance, low-noise operational amplifier. Equivalent products include:
1. LT1028/LT1128 from Analog Devices (Linear Technology)
2. OPA627 from Texas Instruments
3. OPA827 from Texas Instruments
4. LME49710 from Texas Instruments
5. NE5534 from Texas Instruments.
These alternatives offer similar low-noise, high-performance characteristics, but specific parameters should be checked to ensure they meet your application requirements.
1. LT1028/LT1128 from Analog Devices (Linear Technology)
2. OPA627 from Texas Instruments
3. OPA827 from Texas Instruments
4. LME49710 from Texas Instruments
5. NE5534 from Texas Instruments.
These alternatives offer similar low-noise, high-performance characteristics, but specific parameters should be checked to ensure they meet your application requirements.
Features
The AD797ARZ is a high-performance, precision operational amplifier from Analog Devices, designed for applications requiring low noise and distortion. Key features include:
1. Low Noise: The AD797ARZ offers an ultra-low voltage noise density of 0.9 nV/√Hz, making it ideal for precision audio and instrumentation applications.
2. Low Distortion: It provides exceptionally low harmonic distortion, less than 0.0001% for audio applications, ensuring high fidelity.
3. High Slew Rate: The amplifier has a high slew rate of 20 V/µs, allowing it to handle fast transient signals effectively.
4. Wide Bandwidth: It features a gain bandwidth product of 8 MHz, suitable for high-speed and high-accuracy applications.
5. Low Offset Voltage: With a low input offset voltage of 50 µV, it enhances the accuracy of DC amplifications.
6. High CMRR and PSRR: The device offers high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), which improve performance in noisy environments.
7. Supply Voltage: It operates over a wide supply voltage range of ±5V to ±15V.
These attributes make the AD797ARZ suitable for use in applications like audio equipment, data acquisition systems, and precision sensors.
1. Low Noise: The AD797ARZ offers an ultra-low voltage noise density of 0.9 nV/√Hz, making it ideal for precision audio and instrumentation applications.
2. Low Distortion: It provides exceptionally low harmonic distortion, less than 0.0001% for audio applications, ensuring high fidelity.
3. High Slew Rate: The amplifier has a high slew rate of 20 V/µs, allowing it to handle fast transient signals effectively.
4. Wide Bandwidth: It features a gain bandwidth product of 8 MHz, suitable for high-speed and high-accuracy applications.
5. Low Offset Voltage: With a low input offset voltage of 50 µV, it enhances the accuracy of DC amplifications.
6. High CMRR and PSRR: The device offers high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), which improve performance in noisy environments.
7. Supply Voltage: It operates over a wide supply voltage range of ±5V to ±15V.
These attributes make the AD797ARZ suitable for use in applications like audio equipment, data acquisition systems, and precision sensors.
Pinout
The AD797ARZ is a high precision, low noise operational amplifier with an 8-pin layout in the SOIC (Small Outline Integrated Circuit) package. Its pin functions are as follows:
1. Offset Null 1: Used for offset voltage adjustment.
2. Inverting Input (-IN): The input for the inverting signal.
3. Non-Inverting Input (+IN): The input for the non-inverting signal.
4. Negative Power Supply (V-): Connects to the negative voltage supply.
5. Offset Null 2: Used for offset voltage adjustment.
6. Output: The amplifier’s output pin.
7. Positive Power Supply (V+): Connects to the positive voltage supply.
8. No Connect (NC): Typically not connected internally but may be used for mechanical stability.
The AD797 is particularly noted for its ultra-low noise performance, high precision, and suitability for applications requiring low distortion and high output drive capability.
1. Offset Null 1: Used for offset voltage adjustment.
2. Inverting Input (-IN): The input for the inverting signal.
3. Non-Inverting Input (+IN): The input for the non-inverting signal.
4. Negative Power Supply (V-): Connects to the negative voltage supply.
5. Offset Null 2: Used for offset voltage adjustment.
6. Output: The amplifier’s output pin.
7. Positive Power Supply (V+): Connects to the positive voltage supply.
8. No Connect (NC): Typically not connected internally but may be used for mechanical stability.
The AD797 is particularly noted for its ultra-low noise performance, high precision, and suitability for applications requiring low distortion and high output drive capability.
Manufacturer
The AD797ARZ 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. The company is known for producing high-performance electronic components used in a wide range of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is recognized for its expertise in converting, conditioning, and processing real-world phenomena into measurable and usable data, often serving industries that require precision and reliability.
Application
The AD797ARZ is a high-performance operational amplifier known for its low noise and low distortion characteristics. It is commonly used in precision audio equipment, such as professional audio mixers, amplifiers, and recording devices, where high fidelity is essential. Additionally, it is suitable for use in medical instrumentation, such as ECG and EEG machines, where accurate signal processing is critical. The AD797ARZ is also employed in measurement and sensor applications, including seismology and sonar, due to its ability to handle low-level signals with precision. Its features make it ideal for any application requiring wide bandwidth, low noise, and high linearity.
Package
The AD797ARZ is an operational amplifier produced by Analog Devices. It comes in an 8-lead SOIC (Small Outline Integrated Circuit) package, which is a surface-mount package type commonly used for its compact size and ease of assembly onto PCBs (Printed Circuit Boards).