AD8555ARZ
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Analog Devices Inc. AD8555ARZ

Manufacturer No:
AD8555ARZ
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
IC OPAMP ZERO-DRIFT 1 CIRC 8SOIC
Delivery:
Payment:
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Product Introduction

Overview

The AD8555ARZ is a zero-drift, sensor signal amplifier produced by Analog Devices Inc. This device is designed with digitally programmable gain and output offset, making it highly versatile for various precision sensing applications. The AD8555 combines high accuracy with low cost, leveraging Analog Devices' advanced amplifier topology to achieve ultralow offset and drift characteristics.

Key Specifications

Parameter Value Conditions
Supply Voltage 2.7 V to 5 V Single Supply
Input Offset Voltage 1 μV -
Offset Voltage Drift 0.005 μV/°C -40°C ≤ TA ≤ +125°C
Common-Mode Rejection Ratio (CMRR) 115 dB to 130 dB VCM = 0 V to +5 V, -40°C ≤ TA ≤ +125°C
Large Signal Voltage Gain 110 dB to 140 dB RL = 10 kΩ, VO = 0.3 V to 2.4 V, -40°C ≤ TA ≤ +125°C
Input Voltage Range 0 V to 5 V -
Output Voltage High 2.685 V to 2.697 V RL = 100 kΩ to GND, -40°C ≤ TA ≤ +85°C
Supply Current Approx. 700 μA/op amp -

Key Features

  • Zero-Drift Amplifier: The AD8555ARZ features ultralow offset and drift, making it ideal for high-accuracy applications.
  • Digitally Programmable Gain and Output Offset: Allows for flexible configuration to suit various sensing requirements.
  • Rail-to-Rail Input and Output Swings: Ensures maximum signal range and flexibility.
  • No External Capacitors Required: Simplifies circuit design and reduces component count.
  • Low Supply Current: Approximately 700 μA per op amp, contributing to power-efficient designs.
  • High Common-Mode Rejection Ratio (CMRR): Ensures robust performance in noisy environments.

Applications

  • Temperature Sensors: Suitable for precise temperature measurement applications.
  • Pressure Sensors: Ideal for high-accuracy pressure sensing.
  • Precision Current Sensing: Used in applications requiring accurate current measurement.
  • Strain Gage Amplifiers: Applicable in strain gage-based sensing systems.
  • Medical Instrumentation: Used in medical devices requiring high precision and low noise.
  • Thermocouple Amplifiers: Suitable for thermocouple-based temperature measurement systems.

Q & A

  1. Q: What is the supply voltage range for the AD8555ARZ?
    A: The AD8555ARZ operates from a single supply voltage of 2.7 V to 5 V.
  2. Q: What is the input offset voltage of the AD8555ARZ?
    A: The input offset voltage is 1 μV.
  3. Q: What is the offset voltage drift of the AD8555ARZ?
    A: The offset voltage drift is 0.005 μV/°C over the temperature range of -40°C to +125°C.
  4. Q: Does the AD8555ARZ require external capacitors?
    A: No, the AD8555ARZ does not require external capacitors.
  5. Q: What is the common-mode rejection ratio (CMRR) of the AD8555ARZ?
    A: The CMRR is 115 dB to 130 dB over the specified temperature range.
  6. Q: What are the typical applications of the AD8555ARZ?
    A: The AD8555ARZ is used in temperature sensors, pressure sensors, precision current sensing, strain gage amplifiers, medical instrumentation, and thermocouple amplifiers.
  7. Q: What is the supply current of the AD8555ARZ?
    A: The supply current is approximately 700 μA per op amp.
  8. Q: Can the gain and output offset of the AD8555ARZ be programmed?
    A: Yes, the AD8555ARZ has digitally programmable gain and output offset.
  9. Q: What is the input voltage range of the AD8555ARZ?
    A: The input voltage range is 0 V to 5 V.
  10. Q: What is the output voltage high range of the AD8555ARZ?
    A: The output voltage high range is 2.685 V to 2.697 V with a load resistance of 100 kΩ to GND.

Product Attributes

Amplifier Type:Zero-Drift
Number of Circuits:1
Output Type:- 
Slew Rate:1.2V/µs
Gain Bandwidth Product:2 MHz
-3db Bandwidth:- 
Current - Input Bias:16 nA
Voltage - Input Offset:2 µV
Current - Supply:2mA
Current - Output / Channel:10 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-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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Similar Products

Part Number AD8555ARZ AD8557ARZ AD8556ARZ AD8551ARZ AD8552ARZ AD8554ARZ AD8555AR
Manufacturer 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 Obsolete
Amplifier Type Zero-Drift Zero-Drift Zero-Drift Zero-Drift Zero-Drift Zero-Drift Chopper (Zero-Drift)
Number of Circuits 1 1 1 1 2 4 1
Output Type - - - Rail-to-Rail Rail-to-Rail Rail-to-Rail -
Slew Rate 1.2V/µs - 1.2V/µs 0.4V/µs 0.4V/µs 0.4V/µs 1.2V/µs
Gain Bandwidth Product 2 MHz 2 MHz 2 MHz 1.5 MHz 1.5 MHz 1.5 MHz 2 MHz
-3db Bandwidth - - - - - - -
Current - Input Bias 16 nA 18 nA 49 nA 10 pA 10 pA 10 pA 16 nA
Voltage - Input Offset 2 µV 2 µV 2 µV 1 µV 1 µV 1 µV 2 µV
Current - Supply 2mA 1.8mA 2mA 850µA 850µA (x2 Channels) 850µA (x4 Channels) 2mA
Current - Output / Channel 10 mA 55 mA 10 mA 30 mA 30 mA 30 mA 10 mA
Voltage - Supply Span (Min) 2.7 V 2.7 V 4.5 V 2.7 V 2.7 V 2.7 V 2.7 V
Voltage - Supply Span (Max) 5.5 V 5.5 V 5.5 V 5.5 V 5 V 5 V 5.5 V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 140°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
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) 14-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 14-SOIC 8-SOIC

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