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AD8644ARZ
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Analog Devices Inc. AD8644ARZ

Manufacturer No:
AD8644ARZ
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC OPAMP GP 4 CIRCUIT 14SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD8644ARZ, produced by Analog Devices Inc., is a quad 18 V operational amplifier designed for single-supply operation. It is part of the AD8614/AD8644 family, which is optimized for LCD monitor applications. These amplifiers are known for their high performance, including a 5.5 MHz bandwidth, rail-to-rail inputs and outputs, and a high slew rate of 7.5 V/μs. The AD8644ARZ is particularly suited for applications requiring high output drive and capacitive load handling.

Key Specifications

ParameterValue
Unity-Gain Bandwidth5.5 MHz
Low Voltage Offset1.0 mV
Slew Rate7.5 V/μs
Supply Voltage Range5 V to 18 V
Output Current70 mA
Supply Current per Amplifier800 μA (typical)
Operating Temperature Range–20°C to +85°C
Package Types14-Lead SOIC, 14-Lead TSSOP

Key Features

  • Rail-to-rail inputs and outputs
  • High output drive capability of 70 mA
  • Low supply current of 800 μA per amplifier
  • Stable with large capacitive loads
  • Single-supply operation from 5 V to 18 V
  • High slew rate of 7.5 V/μs
  • Unity-gain bandwidth of 5.5 MHz
  • Low voltage offset of 1.0 mV

Applications

  • LCD gamma and VCOM drivers
  • Modems
  • Portable instrumentation
  • Direct access arrangement

Q & A

  1. What is the unity-gain bandwidth of the AD8644ARZ?
    The unity-gain bandwidth of the AD8644ARZ is 5.5 MHz.
  2. What is the slew rate of the AD8644ARZ?
    The slew rate of the AD8644ARZ is 7.5 V/μs.
  3. What is the supply voltage range for the AD8644ARZ?
    The supply voltage range for the AD8644ARZ is from 5 V to 18 V.
  4. What is the output current capability of the AD8644ARZ?
    The output current capability of the AD8644ARZ is 70 mA.
  5. What are the typical supply current requirements per amplifier for the AD8644ARZ?
    The typical supply current per amplifier for the AD8644ARZ is 800 μA.
  6. What are the operating temperature ranges for the AD8644ARZ?
    The operating temperature range for the AD8644ARZ is from –20°C to +85°C.
  7. In what packages is the AD8644ARZ available?
    The AD8644ARZ is available in 14-Lead SOIC and 14-Lead TSSOP packages.
  8. What are some common applications for the AD8644ARZ?
    Common applications include LCD gamma and VCOM drivers, modems, portable instrumentation, and direct access arrangements.
  9. Is the AD8644ARZ suitable for capacitive loads?
    Yes, the AD8644ARZ is stable with large capacitive loads.
  10. What is the voltage offset of the AD8644ARZ?
    The voltage offset of the AD8644ARZ is 1.0 mV.

Product Attributes

Amplifier Type:General Purpose
Number of Circuits:4
Output Type:Rail-to-Rail
Slew Rate:7.5V/µs
Gain Bandwidth Product:5.5 MHz
-3db Bandwidth:- 
Current - Input Bias:80 nA
Voltage - Input Offset:1 mV
Current - Supply:800µA (x4 Channels)
Current - Output / Channel:70 mA
Voltage - Supply Span (Min):5 V
Voltage - Supply Span (Max):18 V
Operating Temperature:-20°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:14-SOIC
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Similar Products

Part Number AD8644ARZ AD8664ARZ AD8648ARZ AD8646ARZ AD8641ARZ AD8642ARZ AD8643ARZ AD8644AR AD8644ARU AD8644ARUZ
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. Analog Devices Inc.
Product Status Active Active Active Active Active Active Active Obsolete Obsolete Active
Amplifier Type General Purpose CMOS General Purpose General Purpose J-FET J-FET J-FET General Purpose General Purpose General Purpose
Number of Circuits 4 4 4 2 1 2 4 4 4 4
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 Rail-to-Rail
Slew Rate 7.5V/µs 3.5V/µs 11V/µs 11V/µs 3V/µs 3V/µs 3V/µs 7.5V/µs 7.5V/µs 7.5V/µs
Gain Bandwidth Product 5.5 MHz 4 MHz 24 MHz 24 MHz 3.5 MHz 3.5 MHz 3.5 MHz 5.5 MHz 5.5 MHz 5.5 MHz
-3db Bandwidth - - - - - - - - - -
Current - Input Bias 80 nA 0.3 pA 0.3 pA 0.3 pA 0.25 pA 0.25 pA 0.25 pA 80 nA 80 nA 80 nA
Voltage - Input Offset 1 mV 50 µV 600 µV 600 µV 70 µV 70 µV 70 µV 1 mV 1 mV 1 mV
Current - Supply 800µA (x4 Channels) 1.25mA (x4 Channels) 1.5mA (x4 Channels) 1.5mA (x2 Channels) 200µA 200µA (x2 Channels) 200µA (x4 Channels) 800µA (x4 Channels) 800µA (x4 Channels) 800µA (x4 Channels)
Current - Output / Channel 70 mA 140 mA 120 mA 120 mA 12 mA 12 mA 12 mA 70 mA 70 mA 70 mA
Voltage - Supply Span (Min) 5 V 5 V 2.7 V 2.7 V 5 V 5 V 5 V 5 V 5 V 5 V
Voltage - Supply Span (Max) 18 V 16 V 5.5 V 5.5 V 26 V 26 V 26 V 18 V 18 V 18 V
Operating Temperature -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 -20°C ~ 85°C -20°C ~ 85°C -20°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 14-SOIC (0.154", 3.90mm Width) 14-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) 8-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 14-TSSOP (0.173", 4.40mm Width) 14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 14-SOIC 14-SOIC 14-SOIC 8-SOIC 8-SOIC 8-SOIC 14-SOIC 14-SOIC 14-TSSOP 14-TSSOP

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