AD8655ARMZ-R2
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Analog Devices Inc. AD8655ARMZ-R2

Manufacturer No:
AD8655ARMZ-R2
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
IC OPAMP GP R-R CMOS 28MHZ 8MSOP
Delivery:
Payment:
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Product Introduction

Overview

The AD8655ARMZ-R2, produced by Analog Devices Inc., is a precision CMOS operational amplifier known for its low noise and high precision performance. This amplifier leverages Analog Devices' DigiTrim® technology to achieve high dc accuracy, making it suitable for a wide range of applications requiring low voltage and high dynamic range. The AD8655 is part of the AD8655/AD8656 family, which is recognized for its industry-leading low noise characteristics and rail-to-rail input and output capabilities.

Key Specifications

ParameterSymbolConditionsMinTypMaxUnit
Offset VoltageVOSVCM = 0 V to 5 V50250550µV
Offset Voltage DriftΔVOS/ΔT−40°C ≤ TA ≤ +125°C0.42.3µV/°C
Input Bias CurrentIB−40°C ≤ TA ≤ +125°C110500pA
Input Offset CurrentIOS−40°C ≤ TA ≤ +125°C10500pA
Input Voltage Range05V
Common-Mode Rejection RatioCMRRVCM = 0 V to 5 V85100dB
Output Voltage HighVOHIL = 1 mA; −40°C ≤ TA ≤ +125°C4.974.991V
Output Voltage LowVOLIL = 1 mA; −40°C ≤ TA ≤ +125°C830mV
Output CurrentIOUTVOUT = ±0.5 V±220mA
Power Supply Rejection RatioPSRRVS = 2.7 V to 5.0 V88105dB
Supply Current/AmplifierISYVO = 0 V3.74.55.3mA
Input Voltage Noise Densityf = 10 kHz2.7nV/√Hz
Gain Bandwidth ProductGBP2728MHz
Slew RateSRRL = 10 kΩ8.511V/µs
Settling TimetsTo 0.1%, VIN = 0 V to 2 V step, G = +1370ns

Key Features

  • Low Noise: 2.7 nV/√Hz at 10 kHz, making it ideal for applications requiring high signal integrity.
  • High Precision: Low offset voltage (250 µV max) and low offset voltage drift (0.4 µV/°C typ, 2.3 µV/°C max).
  • Rail-to-Rail Input/Output: Enables the amplifier to operate effectively in single-supply systems and buffer wide dynamic range devices.
  • High Output Current: Capable of delivering up to ±220 mA, suitable for driving heavy loads.
  • Wide Operating Range: Operates from 2.7 V to 5.5 V and over a temperature range of −40°C to +125°C.
  • Unity Gain Stable: Ensures stability in unity gain configurations.
  • High Bandwidth: Gain bandwidth product of 28 MHz and a slew rate of up to 11 V/µs.

Applications

  • ADC and DAC Buffers: Ideal for buffering analog-to-digital converters and digital-to-analog converters due to its rail-to-rail input/output capabilities.
  • Audio Applications: Suitable for microphone pre-amps and audio mixing consoles due to its low noise and high output current.
  • Industrial Controls: Used in precision filters and other industrial control systems requiring high accuracy and low noise.
  • Digital Scales: Enhances the precision and dynamic range in digital scale applications.
  • Automotive Applications: Qualified for automotive use, including collision avoidance systems and other precision automotive applications.
  • PLL Filters: Used in phase-locked loop filters due to its high precision and low noise characteristics.

Q & A

  1. What is the typical input voltage noise density of the AD8655 at 10 kHz?
    The typical input voltage noise density of the AD8655 at 10 kHz is 2.7 nV/√Hz.
  2. What is the maximum offset voltage of the AD8655?
    The maximum offset voltage of the AD8655 is 250 µV.
  3. What is the operating voltage range of the AD8655?
    The AD8655 operates from 2.7 V to 5.5 V.
  4. What is the maximum output current of the AD8655?
    The maximum output current of the AD8655 is ±220 mA.
  5. Is the AD8655 suitable for automotive applications?
    Yes, the AD8655 is qualified for automotive applications.
  6. What is the gain bandwidth product of the AD8655?
    The gain bandwidth product of the AD8655 is 28 MHz.
  7. What is the slew rate of the AD8655?
    The slew rate of the AD8655 is up to 11 V/µs.
  8. What is the settling time of the AD8655 to 0.1%?
    The settling time of the AD8655 to 0.1% is 370 ns.
  9. Does the AD8655 support rail-to-rail input and output?
    Yes, the AD8655 supports rail-to-rail input and output.
  10. What is the common-mode rejection ratio of the AD8655?
    The common-mode rejection ratio of the AD8655 is 100 dB.

Product Attributes

Amplifier Type:General Purpose
Number of Circuits:1
Output Type:Rail-to-Rail
Slew Rate:11V/µs
Gain Bandwidth Product:28 MHz
-3db Bandwidth:- 
Current - Input Bias:1 pA
Voltage - Input Offset:50 µV
Current - Supply:3.7mA
Current - Output / Channel:220 mA
Voltage - Supply Span (Min):2.7 V
Voltage - Supply Span (Max):5.5 V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:8-MSOP
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Similar Products

Part Number AD8655ARMZ-R2 AD8651ARMZ-R2
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Obsolete
Amplifier Type General Purpose Voltage Feedback
Number of Circuits 1 1
Output Type Rail-to-Rail Rail-to-Rail
Slew Rate 11V/µs 41V/µs
Gain Bandwidth Product 28 MHz 50 MHz
-3db Bandwidth - -
Current - Input Bias 1 pA 1 pA
Voltage - Input Offset 50 µV 100 µV
Current - Supply 3.7mA 9.5mA
Current - Output / Channel 220 mA 40 mA
Voltage - Supply Span (Min) 2.7 V 2.7 V
Voltage - Supply Span (Max) 5.5 V 5.5 V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-MSOP 8-MSOP

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