AD797BR

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AD797BR

+BOM

IC OPAMP GP 1 CIRCUIT 8SOIC

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  • 데이터시트 AD797BR DataSheet

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사양

속성 가치
Part Status Obsolete
Amplifier Type Standard (General Purpose)
Number of Circuits 1
Slew Rate 20V/µs
Gain Bandwidth Product 110 MHz
Current - Input Bias 250 nA
Voltage - Input Offset 10 µV
Supply Current 8.2mA
Current - Output / Channel 50 mA
Voltage - Supply Span (Min) 10 V
Voltage - Supply Span (Max) 30 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number AD797
-3 dB Bandwidth 8 MHz

개요

Description

The AD797BR is a high-performance operational amplifier designed by Analog Devices, known for its low noise and low distortion characteristics. It features a bandwidth of 8 MHz and a slew rate of 20 V/µs, making it suitable for audio and precision signal processing applications. The device operates with a supply voltage range of ±2.5V to ±15V, allowing flexibility in various circuit configurations.
The AD797BR excels in applications requiring high accuracy and low offset voltage, with a typical input voltage noise of 0.9 nV/√Hz at 1 kHz. Its high open-loop gain and excellent power supply rejection ratio (PSRR) contribute to its reliability in demanding environments.
Encased in an 8-lead SOIC package, the AD797BR is ideal for use in instrumentation, data acquisition systems, and active filtering. Overall, it is a robust choice for engineers seeking high fidelity and precision in their analog designs.

Equivalent

Equivalent products to the AD797BR operational amplifier include the LTC2057, OPA227, and the NE5534. These alternatives offer similar specifications in terms of noise performance, bandwidth, and low distortion, making them suitable for high-precision applications. Always verify specific parameters to ensure compatibility with your design requirements.

Features

The AD797BR is a high-performance operational amplifier known for its low noise and low distortion characteristics. Key features include:
1. Low Noise: With a voltage noise density of just 1.1 nV/√Hz, it is suitable for precision applications.
2. Low Distortion: Offers high linearity, making it ideal for audio and measurement applications.
3. High Slew Rate: Approximately 20 V/µs, enabling fast signal processing.
4. Wide Bandwidth: A gain bandwidth product of 8 MHz ensures effectiveness in high-frequency applications.
5. Low Input Bias Current: Typically 60 pA, which is beneficial for high-impedance sensor applications.
6. Single Supply Operation: Can operate from a single supply voltage, enhancing versatility.
7. Wide Supply Voltage Range: Supports ±2.5 V to ±18 V, accommodating various circuit designs.
8. Output Drive: Capable of driving capacitive loads effectively.
These attributes make the AD797BR an excellent choice for high-precision signal processing in instrumentation, audio, and data acquisition systems.

Pinout

The AD797BR is an ultra-low noise operational amplifier from Analog Devices. It comes in a 8-lead SOIC (Small Outline Integrated Circuit) package.
Pin Count and Functions:
1. Pin 1 (Offset Null): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input): The input where the signal is applied in an inverting configuration.
3. Pin 3 (Non-Inverting Input): The input where the signal is applied in a non-inverting configuration.
4. Pin 4 (V- or Negative Supply): Connects to the negative power supply voltage.
5. Pin 5 (Output): The amplified output signal.
6. Pin 6 (V+ or Positive Supply): Connects to the positive power supply voltage.
7. Pin 7 (NC or No Connect): This pin is not connected internally and can be left unconnected.
8. Pin 8 (Gain): Used for setting the gain of the amplifier (typically connected to ground for unity gain).
The AD797 is known for its high speed and low distortion, making it suitable for precision applications.

Manufacturer

The AD797BR is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts. It specializes in designing, manufacturing, and marketing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits.
Founded in 1965, Analog Devices serves a variety of industries, including communications, automotive, industrial automation, healthcare, and consumer electronics. The company is renowned for its innovative solutions in high-speed data conversion, signal conditioning, and precision amplifiers, including the AD797BR, which is a low-noise, high-speed operational amplifier widely used in audio and instrumentation applications.
Analog Devices focuses on creating products that enable high-performance signal processing and data acquisition, making it a key player in the semiconductor industry. Its commitment to quality and innovation has established it as a trusted partner for engineers and designers worldwide.

Application

The AD797BR is a precision operational amplifier known for its low noise and high bandwidth. Its application areas include:
1. Signal Conditioning: Used in sensors and transducers for accurate signal amplification.
2. Data Acquisition Systems: Enhances the performance of analog-to-digital converters (ADCs).
3. Instrumentation: Ideal for medical and industrial instrumentation due to its high precision.
4. Audio Processing: Utilized in high-fidelity audio equipment for minimal distortion.
5. Active Filters: Employed in analog filter design for signal processing applications.
These characteristics make the AD797BR suitable for demanding applications requiring low distortion and high accuracy.

Package

The AD797BR is housed in an 8-lead Plastic Dual In-Line Package (DIP).

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