AD825AR
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Analog Devices Inc. AD825AR

Manufacturer No:
AD825AR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC OPAMP JFET 1 CIRCUIT 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
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Product Introduction

Overview

The AD825AR, produced by Analog Devices Inc., is a high-performance operational amplifier designed for general-purpose amplification and instrumentation applications. This J-FET amplifier is optimized for high speed, low cost, and excellent DC parameters, making it suitable for a broad range of signal conditioning and data acquisition tasks. The AD825AR is known for its low distortion, high slew rate, and robust gain bandwidth product, ensuring stable performance under varying load conditions and temperature ranges.

Key Specifications

Parameter Value Units
Number of Channels 1 -
Gain Bandwidth Product (GBP) 26 MHz -
Slew Rate (SR) 130 V/μs -
Common Mode Rejection Ratio (CMRR) 80 dB -
Input Bias Current (Ib) 15 pA -
Input Offset Voltage (Vos) 1 mV -
Input Voltage Noise Density (en) 12 nV/√Hz -
Supply Voltage - Max 36 V, ±18 V -
Supply Voltage - Min 10 V, ±5 V -
Operating Supply Current 6.5 mA -
Output Current per Channel 50 mA -
Operating Temperature Range -40°C to 85°C -
Package/Case 8-SOIC -

Key Features

  • High Slew Rate and Gain Bandwidth Product: The AD825AR offers a slew rate of 130 V/μs and a gain bandwidth product of 26 MHz, ensuring high-speed performance.
  • Low Distortion: The amplifier features low distortion, with a total harmonic distortion of -76 dB at 1 MHz.
  • Low Input Bias Current: With an input bias current of 15 pA, the AD825AR is suitable for applications requiring minimal input current.
  • High Output Drive Capability: The amplifier can drive heavy capacitive or resistive loads with a minimum output current of 50 mA.
  • No Phase Reversal: The unique input stage design ensures no phase reversal even when input signals exceed the power supply voltages.
  • Flexible Power Supply: The AD825AR is fully specified for operation with dual ±5 V and ±15 V supplies.

Applications

  • Signal Conditioning: Ideal for various signal conditioning tasks due to its high accuracy and stability.
  • Data Acquisition: Suitable for data acquisition systems requiring high-speed and low-noise amplification.
  • Medical Devices: Used in medical equipment for precise amplification and signal processing.
  • Industrial Control Systems: Employed in industrial control systems for reliable and accurate signal amplification.
  • Test Equipment: Utilized in test and measurement equipment for its high performance and reliability.
  • CCD and Photo Detector Interfaces: Often used as a buffer for CCD outputs and photo detector interfaces due to its low noise and high drive capability.

Q & A

  1. What is the gain bandwidth product of the AD825AR?

    The gain bandwidth product of the AD825AR is 26 MHz.

  2. What is the slew rate of the AD825AR?

    The slew rate of the AD825AR is 130 V/μs.

  3. What is the input bias current of the AD825AR?

    The input bias current of the AD825AR is 15 pA.

  4. What is the maximum output current per channel of the AD825AR?

    The maximum output current per channel of the AD825AR is 50 mA.

  5. What are the operating temperature ranges for the AD825AR?

    The operating temperature range for the AD825AR is -40°C to 85°C.

  6. What types of power supplies can the AD825AR operate with?

    The AD825AR can operate with dual ±5 V and ±15 V supplies.

  7. Does the AD825AR have phase reversal issues?

    No, the AD825AR does not have phase reversal issues even when input signals exceed the power supply voltages.

  8. What is the common mode rejection ratio (CMRR) of the AD825AR?

    The CMRR of the AD825AR is 80 dB.

  9. What is the input offset voltage of the AD825AR?

    The input offset voltage of the AD825AR is 1 mV.

  10. What is the typical supply current of the AD825AR?

    The typical supply current of the AD825AR is 6.5 mA.

Product Attributes

Amplifier Type:J-FET
Number of Circuits:1
Output Type:- 
Slew Rate:140V/µs
Gain Bandwidth Product:26 MHz
-3db Bandwidth:46 MHz
Current - Input Bias:15 pA
Voltage - Input Offset:1 mV
Current - Supply:6.5mA
Current - Output / Channel:50 mA
Voltage - Supply Span (Min):10 V
Voltage - Supply Span (Max):36 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 AD825AR AD825ARZ AD826AR AD822AR AD823AR
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete Obsolete
Amplifier Type J-FET J-FET Voltage Feedback General Purpose J-FET
Number of Circuits 1 1 2 2 2
Output Type - - - Rail-to-Rail Rail-to-Rail
Slew Rate 140V/µs 140V/µs 350V/µs 3V/µs 25V/µs
Gain Bandwidth Product 26 MHz 26 MHz 50 MHz 1.9 MHz -
-3db Bandwidth 46 MHz 46 MHz 50 MHz 1.9 MHz 16 MHz
Current - Input Bias 15 pA 15 pA 3.3 µA 2 pA 5 pA
Voltage - Input Offset 1 mV 1 mV 500 µV 400 µV 700 µV
Current - Supply 6.5mA 6.5mA 6.6mA (x2 Channels) 1.24mA 7mA
Current - Output / Channel 50 mA 50 mA 50 mA 20 mA 17 mA
Voltage - Supply Span (Min) 10 V 10 V 5 V 5 V 3 V
Voltage - Supply Span (Max) 36 V 36 V 36 V 30 V 36 V
Operating Temperature -40°C ~ 85°C -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 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) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC

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