AD8641ARZ-REEL7
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Analog Devices Inc. AD8641ARZ-REEL7

Manufacturer No:
AD8641ARZ-REEL7
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC OPAMP JFET 1 CIRCUIT 8SOIC
Delivery:
Payment:
iso14001
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iso13485

Product Introduction

Overview

The AD8641ARZ-REEL7 is a low-power, precision JFET input amplifier produced by Analog Devices Inc. This amplifier is known for its extremely low input bias current and rail-to-rail output, making it suitable for a wide range of applications. It features a single channel and is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package. The AD8641ARZ-REEL7 is designed to operate over a supply voltage range of 5V to 26V, or ±2.5V to ±13V, and is fully specified over the extended industrial temperature range of −40°C to +125°C.

Key Specifications

Attribute Value
Manufacturer Analog Devices Inc.
Part Number AD8641ARZ-REEL7
Package 8-SOIC (0.154, 3.90mm Width)
Number of Channels 1
Supply Voltage 5V to 26V, or ±2.5V to ±13V
Input Bias Current 0.25 pA
Common Mode Rejection Ratio (CMRR) 107 dB
Power Supply Rejection Ratio (PSRR) 107 dB
Slew Rate 3 V/μs
Gain Bandwidth Product (GBP) 3.5 MHz
Phase Margin 60 Degrees
Output Type Rail-to-Rail
Operating Temperature Range −40°C to +125°C

Key Features

  • Low power consumption with a supply current of 195 μA to 250 μA per amplifier.
  • Precision JFET input with extremely low input bias current of 0.25 pA.
  • Rail-to-rail output, enabling the amplifier to swing nearly rail-to-rail at both the input and output.
  • High common mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of 107 dB each, ensuring good noise rejection.
  • Stable operation with capacitive loads of more than 500 pF.
  • Low offset voltage drift of 2.5 μV/°C.

Applications

  • Line- and battery-powered instruments.
  • Photodiode amplifiers.
  • Precision current sensing.
  • Medical instrumentation.
  • Industrial controls.
  • Precision filters.
  • Portable audio equipment.
  • Automated Test Equipment (ATE) reference level drivers).
  • Battery management systems).

Q & A

  1. What is the package type of the AD8641ARZ-REEL7?

    The AD8641ARZ-REEL7 is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package.

  2. What is the supply voltage range for the AD8641ARZ-REEL7?

    The supply voltage range is 5V to 26V, or ±2.5V to ±13V.

  3. What is the input bias current of the AD8641ARZ-REEL7?

    The input bias current is 0.25 pA.

  4. What is the common mode rejection ratio (CMRR) of the AD8641ARZ-REEL7?

    The CMRR is 107 dB.

  5. What is the slew rate of the AD8641ARZ-REEL7?

    The slew rate is 3 V/μs.

  6. What is the gain bandwidth product (GBP) of the AD8641ARZ-REEL7?

    The GBP is 3.5 MHz.

  7. What are some typical applications of the AD8641ARZ-REEL7?

    Typical applications include line- and battery-powered instruments, photodiode amplifiers, precision current sensing, medical instrumentation, industrial controls, precision filters, portable audio equipment, and ATE reference level drivers.

  8. What is the operating temperature range of the AD8641ARZ-REEL7?

    The operating temperature range is −40°C to +125°C.

  9. Is the AD8641ARZ-REEL7 suitable for multichannel boards?

    Yes, it is suitable for applications utilizing multichannel boards that require low power to manage heat.

  10. What is the output type of the AD8641ARZ-REEL7?

    The output type is rail-to-rail.

Product Attributes

Amplifier Type:J-FET
Number of Circuits:1
Output Type:Rail-to-Rail
Slew Rate:3V/µs
Gain Bandwidth Product:3.5 MHz
-3db Bandwidth:- 
Current - Input Bias:0.25 pA
Voltage - Input Offset:70 µV
Current - Supply:200µA
Current - Output / Channel:12 mA
Voltage - Supply Span (Min):5 V
Voltage - Supply Span (Max):26 V
Operating Temperature:-40°C ~ 125°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 AD8641ARZ-REEL7 AD8644ARZ-REEL7 AD8661ARZ-REEL7 AD8648ARZ-REEL7 AD8651ARZ-REEL7 AD8642ARZ-REEL7 AD8643ARZ-REEL7 AD8646ARZ-REEL7 AD8641ARZ-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active Active Active Active Active Obsolete
Amplifier Type J-FET General Purpose General Purpose General Purpose Voltage Feedback J-FET J-FET General Purpose J-FET
Number of Circuits 1 4 1 4 1 2 4 2 1
Output Type Rail-to-Rail Rail-to-Rail Rail-to-Rail Rail-to-Rail Rail-to-Rail Rail-to-Rail Rail-to-Rail Rail-to-Rail Rail-to-Rail
Slew Rate 3V/µs 7.5V/µs 3.5V/µs 11V/µs 41V/µs 3V/µs 3V/µs 11V/µs 3V/µs
Gain Bandwidth Product 3.5 MHz 5.5 MHz 4 MHz 24 MHz 50 MHz 3.5 MHz 3.5 MHz 24 MHz 3.5 MHz
-3db Bandwidth - - - - - - - - -
Current - Input Bias 0.25 pA 80 nA 0.3 pA 0.3 pA 1 pA 0.25 pA 0.25 pA 0.3 pA 0.25 pA
Voltage - Input Offset 70 µV 1 mV 50 µV 600 µV 100 µV 70 µV 70 µV 600 µV 70 µV
Current - Supply 200µA 800µA (x4 Channels) 1.25mA 1.5mA (x4 Channels) 9.5mA 200µA (x2 Channels) 200µA (x4 Channels) 1.5mA (x2 Channels) 200µA
Current - Output / Channel 12 mA 70 mA 140 mA 120 mA 40 mA 12 mA 12 mA 120 mA 12 mA
Voltage - Supply Span (Min) 5 V 5 V 5 V 2.7 V 2.7 V 5 V 5 V 2.7 V 5 V
Voltage - Supply Span (Max) 26 V 18 V 16 V 5.5 V 5.5 V 26 V 26 V 5.5 V 26 V
Operating Temperature -40°C ~ 125°C -20°C ~ 85°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 14-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 14-SOIC 8-SOIC 14-SOIC 8-SOIC 8-SOIC 14-SOIC 8-SOIC 8-SOIC

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