Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube,Tube |
| ProductStatus | Obsolete |
| 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) |
Tổng quan
Description
The AD797AR is a high-performance operational amplifier (op-amp) designed by Analog Devices. It is renowned for its ultra-low noise and distortion characteristics, making it ideal for precision audio, sensor interfaces, and professional measurement applications. The key features of the AD797AR include a low noise voltage density of 0.9 nV/√Hz, high gain bandwidth of 110 MHz, and a low total harmonic distortion (THD) of 0.0001% at 1 kHz. It offers a wide supply voltage range from ±5V to ±15V, allowing for versatility in various circuit designs.
The AD797AR is designed with a fully complementary bipolar process, enhancing its performance in both AC and DC precision applications. It provides exceptional DC precision with low offset voltage and drift. Its output drive capability is suitable for driving capacitive loads, making it useful in filter and buffer applications. The device is packaged in an 8-lead SOIC, which helps in compact circuit designs. Overall, the AD797AR is favored in applications requiring high accuracy, low noise, and minimal signal distortion.
The AD797AR is designed with a fully complementary bipolar process, enhancing its performance in both AC and DC precision applications. It provides exceptional DC precision with low offset voltage and drift. Its output drive capability is suitable for driving capacitive loads, making it useful in filter and buffer applications. The device is packaged in an 8-lead SOIC, which helps in compact circuit designs. Overall, the AD797AR is favored in applications requiring high accuracy, low noise, and minimal signal distortion.
Equivalent
The AD797AR is a high-precision operational amplifier. Equivalent products include:
1. LT1028 from Analog Devices/Linear Technology - Low Noise, High Speed Precision Op Amp.
2. OPA627 from Texas Instruments - Precision, Ultra-Low Noise Operational Amplifier.
3. LME49710 from Texas Instruments - High Performance, High Fidelity Audio Operational Amplifier.
4. OPA211 from Texas Instruments - Low Noise Precision Operational Amplifier.
These alternatives share similar specifications but might differ slightly in performance and features. Always check datasheets for exact compatibility.
1. LT1028 from Analog Devices/Linear Technology - Low Noise, High Speed Precision Op Amp.
2. OPA627 from Texas Instruments - Precision, Ultra-Low Noise Operational Amplifier.
3. LME49710 from Texas Instruments - High Performance, High Fidelity Audio Operational Amplifier.
4. OPA211 from Texas Instruments - Low Noise Precision Operational Amplifier.
These alternatives share similar specifications but might differ slightly in performance and features. Always check datasheets for exact compatibility.
Features
The AD797AR is a high-precision operational amplifier known for its ultra-low noise and distortion characteristics. Key features include:
1. Ultra-Low Noise: With a voltage noise density of 0.9 nV/√Hz, it is ideal for applications requiring low noise performance.
2. Low Distortion: Achieves remarkable low distortion levels suitable for high-fidelity audio and demanding measurement systems.
3. High Slew Rate: Offers a slew rate of 20 V/µs, enabling fast response times.
4. Wide Bandwidth: Provides a gain bandwidth product of 110 MHz, supporting wide-ranging frequency applications.
5. Precision Performance: Features low input bias current and offset voltage, ensuring high accuracy in precision circuits.
6. High Output Drive: Capable of driving heavy loads, beneficial for various output applications.
7. Wide Supply Range: Operates within a supply voltage range of ±5 V to ±15 V, offering flexibility for different systems.
These features make the AD797AR suitable for high-performance audio, medical instrumentation, and precision data acquisition systems.
1. Ultra-Low Noise: With a voltage noise density of 0.9 nV/√Hz, it is ideal for applications requiring low noise performance.
2. Low Distortion: Achieves remarkable low distortion levels suitable for high-fidelity audio and demanding measurement systems.
3. High Slew Rate: Offers a slew rate of 20 V/µs, enabling fast response times.
4. Wide Bandwidth: Provides a gain bandwidth product of 110 MHz, supporting wide-ranging frequency applications.
5. Precision Performance: Features low input bias current and offset voltage, ensuring high accuracy in precision circuits.
6. High Output Drive: Capable of driving heavy loads, beneficial for various output applications.
7. Wide Supply Range: Operates within a supply voltage range of ±5 V to ±15 V, offering flexibility for different systems.
These features make the AD797AR suitable for high-performance audio, medical instrumentation, and precision data acquisition systems.
Pinout
The AD797AR is a high-performance, low-noise operational amplifier. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a quick overview of its pin configuration and functions:
1. Pin 1 (Offset Null 1): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input): The inverting input terminal for the operational amplifier.
3. Pin 3 (Non-Inverting Input): The non-inverting input terminal.
4. Pin 4 (V- or VEE): Negative power supply voltage.
5. Pin 5 (Offset Null 2): Used for offset voltage adjustment.
6. Pin 6 (Output): The output terminal of the op-amp.
7. Pin 7 (V+ or VCC): Positive power supply voltage.
8. Pin 8 (NC): No connection.
The AD797AR is renowned for its low noise, low distortion, and high precision, making it ideal for applications requiring high-quality audio or precision data acquisition systems. Its design ensures excellent performance across a wide range of frequencies and operating conditions.
1. Pin 1 (Offset Null 1): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input): The inverting input terminal for the operational amplifier.
3. Pin 3 (Non-Inverting Input): The non-inverting input terminal.
4. Pin 4 (V- or VEE): Negative power supply voltage.
5. Pin 5 (Offset Null 2): Used for offset voltage adjustment.
6. Pin 6 (Output): The output terminal of the op-amp.
7. Pin 7 (V+ or VCC): Positive power supply voltage.
8. Pin 8 (NC): No connection.
The AD797AR is renowned for its low noise, low distortion, and high precision, making it ideal for applications requiring high-quality audio or precision data acquisition systems. Its design ensures excellent performance across a wide range of frequencies and operating conditions.
Manufacturer
The AD797AR is manufactured by Analog Devices, Inc. Analog Devices is an American multinational company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company is known for its focus on innovation and quality in signal processing technology, which serves a wide variety of markets, including industrial, communications, automotive, and consumer electronics. The AD797AR, in particular, is a precision operational amplifier renowned for its low noise and high performance, used in applications requiring high-quality audio or accurate signal processing.
Application
The AD797AR is a high-precision operational amplifier used in applications requiring low noise and high accuracy. Key application areas include:
1. Audio Equipment: Ideal for high-end audio systems, such as preamplifiers and mixers, due to its low distortion and noise performance.
2. Instrumentation: Used in precision measurement devices, including medical instrumentation and analytic instruments, where high accuracy is essential.
3. Data Acquisition: Employed in systems that require high-quality signal conditioning for accurate analog-to-digital conversion.
4. Sonar and Radar: Suitable for sonar and radar processing systems due to its low noise characteristics.
5. Seismic Systems: Used in geophysical applications for processing seismic data due to its precision and reliability.
These applications benefit from the AD797AR's exceptional performance in maintaining signal integrity.
1. Audio Equipment: Ideal for high-end audio systems, such as preamplifiers and mixers, due to its low distortion and noise performance.
2. Instrumentation: Used in precision measurement devices, including medical instrumentation and analytic instruments, where high accuracy is essential.
3. Data Acquisition: Employed in systems that require high-quality signal conditioning for accurate analog-to-digital conversion.
4. Sonar and Radar: Suitable for sonar and radar processing systems due to its low noise characteristics.
5. Seismic Systems: Used in geophysical applications for processing seismic data due to its precision and reliability.
These applications benefit from the AD797AR's exceptional performance in maintaining signal integrity.
Package
The AD797AR is a precision operational amplifier manufactured by Analog Devices. It comes in an SOIC (Small Outline Integrated Circuit) package type, specifically an 8-lead (8-pin) configuration, designated as "R" in the part number. This package is compact and suitable for surface-mount applications.
