AD797ARZ-REEL
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Analog Devices Inc. AD797ARZ-REEL

Manufacturer No:
AD797ARZ-REEL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC OPAMP GP 1 CIRCUIT 8SOIC
Delivery:
Payment:
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Product Introduction

Overview

The AD797ARZ-REEL, manufactured by Analog Devices Inc., is a high-performance operational amplifier (op-amp) renowned for its very low noise and low distortion characteristics. This device is ideal for use as a preamplifier in various applications requiring precise signal amplification and conditioning. The AD797 is part of Analog Devices' portfolio of precision operational amplifiers, leveraging the company's advanced complementary bipolar (CB) process to achieve exceptional performance in analog signal processing.

Key Specifications

Specification Value
Manufacturer Analog Devices
Part Number AD797ARZ-REEL
Type Operational Amplifier (Op-Amp)
Supply Voltage ±4.5 V to ±18 V
Input Offset Voltage (Vos) Max ±1.5 mV (25°C)
Input Bias Current (Ib) Max 1 nA (25°C)
Input Noise Voltage (en)
Input Noise Current (in)
Gain Bandwidth Product (GBW)
Slew Rate (SR) OUT = ±10 V)
Output Current
Total Harmonic Distortion (THD)

Key Features

  • Low Noise and Distortion: The AD797 features a low noise voltage of 0.9 nV/√Hz and a low total harmonic distortion of −120 dB, making it ideal for applications requiring high signal integrity.
  • High Slew Rate: With a slew rate of 20 V/μs, the AD797 is well-suited for high-speed signal processing and amplification.
  • Wide Supply Voltage Range: The device operates with supply voltages ranging from ±4.5 V to ±18 V, offering flexibility in various circuit designs.
  • High Output Drive Current: The AD797 can provide an output current of up to 50 mA, making it suitable for driving loads with high current requirements.
  • Excellent DC Precision: It has a maximum input offset voltage of 80 μV and a VOS drift of 1.0 μV/°C, ensuring accurate amplification of DC signals.
  • Fast Settling Time: The AD797 has a fast 16-bit settling time, which is crucial for precision applications such as buffering the inputs to Σ-Δ ADCs or the outputs of high-resolution DACs.

Applications

  • Preamplification: Ideal for use as a preamplifier in microphones, mixing consoles, and other audio equipment due to its low noise and distortion.
  • Low Frequency Ultrasound: Suitable for low-frequency ultrasound applications due to its high slew rate and gain bandwidth product.
  • Infrared (IR) and Sonar Imaging: Used in IR and sonar imaging applications where a wide dynamic range is necessary.
  • Σ-Δ ADCs and High-Resolution DACs: Excellent for buffering the inputs to Σ-Δ ADCs or the outputs of high-resolution DACs, particularly in precision applications like seismic detection and spectrum analyzers.
  • General-Purpose Amplification: Versatile and reliable for various electronic circuits requiring low noise, low distortion, and high precision.

Q & A

  1. What is the typical input noise voltage of the AD797?

    The typical input noise voltage of the AD797 is 0.9 nV/√Hz at 1 kHz.

  2. What is the slew rate of the AD797?

    The slew rate of the AD797 is 20 V/μs.

  3. What is the maximum output current of the AD797?

    The AD797 can provide a maximum output current of up to 50 mA.

  4. What is the total harmonic distortion (THD) of the AD797?

    The total harmonic distortion (THD) of the AD797 is −120 dB at 20 kHz with a 3 V rms output.

  5. What are the typical supply voltage ranges for the AD797?

    The AD797 operates with supply voltages ranging from ±4.5 V to ±18 V.

  6. What are some common applications of the AD797?

    The AD797 is commonly used in preamplification, low-frequency ultrasound, IR and sonar imaging, Σ-Δ ADCs, high-resolution DACs, and general-purpose amplification.

  7. Why is the AD797 suitable for high-speed signal processing?

    The AD797 is suitable for high-speed signal processing due to its high slew rate of 20 V/μs and a gain bandwidth product of at least 75 MHz.

  8. What is the input offset voltage of the AD797?

    The maximum input offset voltage of the AD797 is ±1.5 mV at 25°C.

  9. How does the AD797 handle DC precision?

    The AD797 provides good DC precision with a maximum input offset voltage of 80 μV and a VOS drift of 1.0 μV/°C.

  10. Is the AD797 suitable for automated assembly processes?

Product Attributes

Amplifier Type:General Purpose
Number of Circuits:1
Output Type:- 
Slew Rate:20V/µs
Gain Bandwidth Product:110 MHz
-3db Bandwidth:8 MHz
Current - Input Bias:250 nA
Voltage - Input Offset:25 µV
Current - Supply: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
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Similar Products

Part Number AD797ARZ-REEL AD797ARZ-REEL7 AD797BRZ-REEL AD797AR-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Obsolete
Amplifier Type General Purpose General Purpose General Purpose General Purpose
Number of Circuits 1 1 1 1
Output Type - - - -
Slew Rate 20V/µs 20V/µs 20V/µs 20V/µs
Gain Bandwidth Product 110 MHz 110 MHz 110 MHz 110 MHz
-3db Bandwidth 8 MHz 8 MHz 8 MHz 8 MHz
Current - Input Bias 250 nA 250 nA 250 nA 250 nA
Voltage - Input Offset 25 µV 25 µV 10 µV 25 µV
Current - Supply 8.2mA 8.2mA 8.2mA 8.2mA
Current - Output / Channel 50 mA 50 mA 50 mA 50 mA
Voltage - Supply Span (Min) 10 V 10 V 10 V 10 V
Voltage - Supply Span (Max) 30 V 30 V 30 V 30 V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC

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