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ADM13305 - Dual Processor Supervisors

General Description

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

Key Features

  • 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 RESET outputs 8-lead, narrow body SOIC package Temperature range:.
  • 40°C to +85°C VDD 14kΩ MR RESET SENSE1 R1 R2 RESET LOGIC + TIMER RESET R3 GND 1.25V R4.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Dual Processor Supervisors with Watchdog ADM13305 FEATURES 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 RESET outputs 8-lead, narrow body SOIC package Temperature range: −40°C to +85°C VDD 14kΩ MR RESET SENSE1 R1 R2 RESET LOGIC + TIMER RESET R3 GND 1.25V R4 FUNCTIONAL BLOCK DIAGRAMS ADM13305-18 ADM13305-25 ADM13305-33 SENSE2 APPLICATIONS Supervising DSPs/microcontrollers Industrial and portable equipment Wireless systems Notebook/desktop computers WDI OSCILLATOR WATCHDOG LOGIC + TIMER Figure 1.