Products > Integrated Circuits (ICs) > Power Management ICs > ADM691AR

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SWITCH, LOW VOLT, DUAL DPDT, QFN-16; Resistance, Rds on:4R; Pins, No. of:16; Case style:QFN; Base number:2018; Logic function number:2018 RoHS Compliant: Yes Microprocessor

  • Package/Case :
  • SOIC-16
  • Product Categories :
  • Supervisory Circuits
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 2936


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ADM691AR Product Details

All parts are available in 16-pin DIP and SO packages. The ADM691AR is also available in a space-saving TSSOP package. The following functionality is provided:

  • Power-on reset output during power-up, power-down and brownout conditions. The circuitry remains operational with VCC as low as 1 V.
  • Battery backup switching for CMOS RAM, CMOS micro-processor or other low power logic.
  • A reset pulse if the optional watchdog timer has not been toggled within a specified time.
  • A 1.25 V threshold detector for power fail warning, low battery detection, or to monitor a power supply other than +5 V.



  • Low Power Consumption:
  • Precision Voltage Monitor
  • ±2% Tolerance on ADM800L/M
  • Reset Time Delay—200 ms, or Adjustable
  • 1 µA Standby Current
  • Automatic Battery Backup Power Switching
  • Fast Onboard Gating of Chip Enable Signals
  • Also Available in TSSOP Package (ADM691A)

ADM691AR Block Diagram
(Picture: Diagram)

Technical Parameters

  • Number of Voltages Monitored
  • 1
  • Monitored Voltage
  • 4.75 V to 5.5 V
  • Undervoltage Threshold
  • 4.5 V
  • Overvoltage Threshold
  • 4.73 V
  • Output Type
  • Active Low, Push-Pull
  • Manual Reset
  • Not Resettable
  • Watchdog
  • Yes
  • Battery Backup Switching
  • Backup
  • Power Up Reset Delay (Typ)
  • 70 ms
  • Supply Voltage Max
  • 5.5 V
  • Maximum Operating Temperature
  • + 85 C
  • Mounting Style
  • Package / Case
  • SOIC-16
  • Packaging
  • Tube
  • Chip Enable Signals
  • Yes
  • Maximum Power Dissipation
  • 600 mW
  • Minimum Operating Temperature
  • - 40 C
  • Power Fail Detection
  • Yes
  • Series
  • ADM691
  • Factory Pack Quantity
  • 47
  • Supply Current (Typ)
  • 1.95 mA
  • Supply Voltage Min
  • 4.75 V

ADM691AR Datasheet

  • ADM691A Technical Documentation/Data sheet

ADM691AR Related Products

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Estimated Delivery Time: Feb 13 - Feb 18 days (choose Expedited at checkout).

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

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


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

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.


  • 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


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.


Q: How does Jotrin guarantee that ADM691AR 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 ADM691AR devices; we pay more attention to the channels and quality of ADM691AR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of ADM691AR chips? Including AD original factory information, Supervisory Circuits application, ADM691AR pictures?
You can use Jotrin's intelligent search engine, or filter by Supervisory Circuits ; Supply Monitors with Watchdog Timers category, or find it through Analog Devices, Inc Information page.
Q: Are the AD's ADM691AR 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 ADM691AR, 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 ADM691AR?
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 ADM691AR we delivered, we will accept the replacement or return of the ADM691AR 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 ADM691AR.
(3)The ADM691AR 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 ADM691AR datasheet pdf, ADM691A pin diagram?
Need any After-Sales service, please feel free contact us:

Analog Devices, Inc

Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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