Products > Integrated Circuits (ICs) > Power Management ICs > AD594AQ

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AD594AQ

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Monolithic Thermocouple Amplifiers with Cold Junction Compensation

  • Package/Case :
  • CDIP-14
  • Product Categories :
  • Operational Amplifiers
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 1500
  • Price:$ 10.0400
  • In-stock :1500
    • Quantity Unite Price
    • 1-9 $ 10.0400
    • 10-49 $ 10.0000
    • 50-99 $ 9.9600
    • >=100 $ 9.9100

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AD594AQ Product Details

PRODUCT DESCRIPTION

The AD594AQ is a complete instrumentation amplifier and thermocouple cold junction compensator on a monolithic chip. It combines an ice point reference with a precalibrated amplifier to produce a high level (10 mV/°C) output directly from a thermocouple signal. Pin-strapping options allow it to be used as a linear amplifier-compensator or as a switched output setpoint controller using either fixed or remote setpoint control. It can be used to amplify its compensation voltage directly, thereby converting it to a stand-alone Celsius transducer with a low impedance voltage output. 

The AD594/ includes a thermocouple failure alarm that indicates if one or both thermocouple leads become open. The alarm output has a flexible format which includes TTL drive capability. 

The AD594AQ can be powered from a single ended supply (including +5 V) and by including a negative supply, temperatures below 0°C can be measured. To minimize self-heating, an unloaded AD594AQ will typically operate with a total supply current 160 µA, but is also capable of delivering in excess of ±5 mA to a load. 

The AD594AQ is precalibrated by laser wafer trimming to match the characteristic of type J (iron-constantan) thermocouples. The temperature transducer voltages and gain control resistors are available at the package pins so that the circuit can be recalibrated for the thermocouple types by the addition of two or three resistors. These terminals also allow more precise calibration for both thermocouple and thermometer applications. 

The AD594AQ is available in two performance grades. The C and the A versions have calibration accuracies of ±1°C and ±3°C, respectively. Both are designed to be used from 0°C to +50°C, and are available in 14-pin, hermetically sealed, sidebrazed ceramic DIPs as well as low cost cerdip packages.


FEATURES
✦Pretrimmed for Type J (AD594) or Type K (AD595) Thermocouples
Can Be Used with Type T Thermocouple Inputs
Low Impedance Voltage Output: 10 mV/8C
Built-In Ice Point Compensation
Wide Power Supply Range: +5 V to 615 V
Low Power: <1 mW typical
Thermocouple Failure Alarm
Laser Wafer Trimmed to 18C Calibration Accuracy
Setpoint Mode Operation
Self-Contained Celsius Thermometer Operation
High Impedance Differential Input
Side-Brazed DIP or Low Cost Cerdip

AD594AQ

Feature

  • Can be used with type-T thermocouple input
  • 10mV/8C Low impedance voltage output
  • Built-in ice point compensation
  • +5 to 615V Wide power supply range
  • <1mW Typical low power
  • Thermocouple failure alarm
  • Self-contained Celsius thermometer operation
  • High impedance differential input
  • Side-brazed DIP or low cost CERDIP

AD594AQ Products

Applications

Automation & Process Control, Signal Processing

AD594AQ Pinout
(Picture: Pinout)

AD594AQ Block Diagram
(Picture: Diagram)

Technical Parameters

  • Output Type
  • Analog
  • Accuracy
  • 1 C
  • Digital Output Bus Interface
  • 1-Wire
  • Supply Voltage Max
  • 5.5 V
  • Supply Voltage Min
  • 4.5 V
  • Maximum Operating Temperature
  • + 125 C
  • Minimum Operating Temperature
  • - 55 C
  • Mounting Style
  • Through Hole
  • Package / Case
  • CDIP-14
  • Device Function
  • Thermocouple Amplifier with Cold Junction Compensation
  • Gain
  • + 10 mV / C
  • Packaging
  • Tube
  • Series
  • AD594
  • Factory Pack Quantity
  • 25
  • Supply Current
  • 300 uA

AD594AQ Datasheet

  • AD594 Technical Documentation/Data sheet

AD594AQ Related Products

Ratings and Reviews (1)

  • 5 / 5
  • 5 Stars 100%
  • 4 Stars 0%
  • 3 Stars 0%
  • 2 Stars 0%
  • 1 Stars 0%
  • **amso***
    2020-03-28

    Очень быстро!!!! Спасибо

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Estimated Delivery Time: Dec 14 - Dec 19 days (choose Expedited at checkout).

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Shipping

  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


Payment

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  • Hand Fee
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  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
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  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
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We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.

Packing

  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing

Guarantees

1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that AD594AQ is the original manufacturer or agent of AD?
We have a professional business development department to strictly test and verify the qualifications of AD original manufacturers and agents. All AD suppliers must pass the qualification review before they can publish their AD594AQ devices; we pay more attention to the channels and quality of AD594AQ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of AD594AQ chips? Including AD original factory information, Operational Amplifiers application, AD594AQ pictures?
You can use Jotrin's intelligent search engine, or filter by Temperature Sensor & Control Devices ; Thermocouple Interface category, or find it through Analog Devices, Inc Information page.
Q: Are the AD's AD594AQ price and stock displayed on the platform accurate?
The AD's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for AD594AQ, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of AD594AQ?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the AD594AQ we delivered, we will accept the replacement or return of the AD594AQ only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of AD594AQ.
(3)The AD594AQ is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as AD594AQ datasheet pdf, AD594 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

Analog Devices, Inc

AD
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