AD8222

Application·Multichannel data acquisition forECG and medical instrumentationIndustrial process controlsWheatstone bridge sensors·Differential drives forHigh resolution input ADCsRemote sensorsPinoutSpecifications Parameter Rating Supply Voltage, VPSO, VPSI ±18 V Output Short-Circuit C...

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SeekIC No. : 004271962 Detail

AD8222: Application·Multichannel data acquisition forECG and medical instrumentationIndustrial process controlsWheatstone bridge sensors·Differential drives forHigh resolution input ADCsRemote sensorsPinout...

floor Price/Ceiling Price

Part Number:
AD8222
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Application

·Multichannel data acquisition for
ECG and medical instrumentation
Industrial process controls
Wheatstone bridge sensors
·Differential drives for
High resolution input ADCs
Remote sensors





Pinout

  Connection Diagram

AD8222 Diagram




Specifications

Parameter Rating
Supply Voltage, VPSO, VPSI ±18 V
Output Short-Circuit Current Indefinite
Input Voltage (Common Mode) ±VS
Differential Input Voltage ±VS
Storage Temperature Range −65°C to +130°C
Operational Temperature Range −40°C to +125°C
Package Glass Transition Temperature (TG) 130°C
ESD (Human Body Model) 1 kV
ESD (Charge Device Model) 1 kV
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions may affect device reliability.

Single/Dual Supply Dual
Gain Setting Method Resistor
Gain Range (min to max) 10000
Bandwidth G=10 (kHz typ) 750kHz
Vnoise RTI 1-10 Hz Vp-p 0.25V p-p
Temperature Range -40 to +85
Supply Current 0.9mA





Description

The AD8222 is a dual-channel, high performance instrumentation amplifier that requires only one external resistor per amplifier to set gains of 1 to 10,000.

The AD8222 is the first dual-instrumentation amplifier in the small 4 mm * 4mm LFCSP. It requires the same board area as a typical single instrumentation amplifier. The smaller package allows a 2* increase in channel density and a lower cost per channel, all with no compromise in performance.

The AD8222 can also be configured as a single-channel, differential output instrumentation amplifier. Differential outputs provide high noise immunity, which can be useful when the output signal must travel through a noisy environment, such as with remote sensors. The configuration can also be used to drive differential input ADCs. The AD8222 maintains a minimum CMRR of 80 dB to 4 kHz for all grades at G = 1. High CMRR over frequency allows the AD8222 to reject wideband interference and line harmonics, greatly simplifying filter requirements. The AD8222 also has a typical CMRR drift over temperature of just 0.07 V/V/°C at G = 1.

The AD8222 operates on both single and dual supplies and only requires 2.2 mA maximum supply current for both amplifiers. It is specified over the industrial temperature range of −40°C to +85°C and is fully RoHS compliant.

For a single-channel version, see the AD8221.






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