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Manufacturer / Brand: AD
Details: Dual Processor Supervisors with Watchdog IC
Series: ADM13305
Quantity Available: Over 59770 pieces

Datasheet for ADM13305-33ARZ:

ADM13305-33ARZ datasheet
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Product Parameters
  • Manufacturer Part Number : ADM13305-33ARZ
  • Manufacturer : AD
  • Description : Dual Processor Supervisors with Watchdog IC
  • Series : ADM13305
  • Reference Price : USD 0.792
  • Our Price : We have a better price, contact us by email
  • Product Type : Supervisory Circuits
  • Function : Dual Supply Monitors
  • Current Suggest : Production
  • Status : Production
  • ROHS Status : ROHS Compliant (Lead Free)
  • Package Type : 8-Lead SOIC
  • Pins : 8
  • MFG Package Case : R-8
  • Part Type : OTH
  • Standard Packing Type : Tube
  • Standard Packing Quantity : 98
  • Working Temperature : -40 to 85C
  • Other Part Number : ADM13305-33ARZ
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of ADM13305-33ARZ
  • Dual supervisory circuits
  • Supply voltage range of 2.7 V to 5.5 V
  • Pretrimmed threshold options: 1.8 V, 2.5 V, 3.3 V, and 5 V
  • Adjustable 0.6 V voltage reference
  • Maximum supply current of 40 μA
  • 140 ms (minimum) reset timeout
  • Watchdog timer with 1.6 sec (typical) timeout
  • RESET valid from VDD ≥ 1.1 V
    Push-pull RESET and outputs RESET
  • 8-lead, narrow body SOIC package
  • Temperature range: −40°C to +85°C
Product Detailed Description for ADM13305-33ARZ

The ADM13305 is a dual voltage supervisor designed to monitor two supplies and provide a reset signal to DSP and microprocessor-based systems.

There are five models available, all of which feature a combination of internally pretrimmed undervoltage threshold options for monitoring 1.8 V, 2.5 V, 3.3 V, and 5 V supplies. There is also an adjustable input option with an undervoltage threshold voltage of 0.6 V.

The ADM13305-18, ADM13305-25, and ADM13305-33 models have two internally fixed thresholds. The ADM13305-4 and ADM13305-5 offer one internally fixed threshold and one externally programmable threshold via a resistor string. See the Ordering Guide for a list of all available options.

During power-up, RESETis asserted when the supply voltage exceeds 1.1 V. The device then monitors the SENSEv input pins and holds the RESET output low as long as either of the SENSEv inputs remains below the rising threshold voltage, VIT+.

Once the supplies monitored at the SENSEv inputs rise above their associated thresholds, the reset signal remains low for the reset timeout period before deasserting. Subsequently, if a voltage monitored by the SENSEv pins falls below its associated falling threshold, VIT−, RESETthe output asserts. The ADM13305 features both an active high RESET and an active low RESET output.

As well as providing power-on reset signals, an on-chip watchdog timer can reset the microprocessor if it fails to strobe within the preset timeout period. A reset signal can also be asserted by an external push button through the manual reset input pin.

The ADM13305 is available in an 8-lead, narrow body SOIC package. The device operates over the extended industrial temperature range of −40°C to +85°C.

Applications

  • Supervising DSPs/microcontrollers
  • Industrial and portable equipment
  • Wireless systems
  • Notebook/desktop computers
Lifecycle information of ADM13305-33ARZ

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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