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MAX803REXR+T The MAX803REXR+T is a supervisory circuit from Analog Devices that monitors power supply voltages. It features an active-low reset output and a 140ms minimum reset timeout.
Mfr Part #:

MAX803REXR+T

Available from 3 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX803REXR+T is a supervisory circuit from Analog Devices that monitors power supply voltages. It features an active-low reset output and a 140ms minimum reset timeout.
✓ Total Stock: 60,312 pcs
$ Price Range: $0.75

MAX803REXR+T Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
60,267 pcs
On Request
60267 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
30 pcs
On Request
30 pcs On Request 1 On Request On Request 07+52 On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
15 pcs
On Request
15 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MAX803REXR+T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Voltages Monitored
Operating Temperature
Output
Output Type
Reset
Reset Timeout
Supplier Device Package
Supply Current
Supply Voltage
Type
Voltage
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MAX803REXR+T Description

Short technical summary and product information.

The MAX803REXR+T is a microprocessor supervisory circuit designed by Analog Devices to monitor power supply voltages in digital systems. It provides a reliable reset signal when the VCC supply voltage drops below a preset threshold, maintaining the reset for at least 140ms after VCC recovers. This device is suitable for +5V, +3.3V, +3.0V, and +2.5V powered circuits.

 

Key electrical characteristics include a nominal supply voltage of 2.63V, an active-low reset output, and an open-drain or open-collector output type. It monitors a single voltage and ensures the reset signal is valid down to 1V. The circuit boasts low supply current of 12μA and a power-on-reset pulse width of 140ms minimum.

 

This component is available in a compact SC-70-3 package and is designed for surface mount applications. Its operating temperature range is -40°C to 125°C (TA). The MAX803REXR+T is ideal for critical μP and μC power monitoring in portable, battery-powered equipment, computers, controllers, and automotive applications.

MAX803REXR+T Quick Information

Product Type: Supervisor IC
Series: MAX803
Canonical Name: MAX803REXR+T Microprocessor Supervisory Circuit
Subcategory: Power-On Reset Generator

MAX803REXR+T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX803REXR+T Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX803REXR+T Features

  • Monitors single power supply voltage.
  • Asserts active-low reset signal.
  • 140ms minimum power-on-reset pulse.
  • Open-drain output configuration.
  • Surface mount SC-70-3 package.

MAX803REXR+T Applications

  • Critical μP and μC power monitoring.
  • Portable and battery-powered equipment.
  • Computer and controller systems.
  • Intelligent instrument applications.
  • Automotive systems.

MAX803REXR+T FAQs

7 frequently asked questions generated from this part’s specifications.
What is the nominal supply voltage of the MAX803REXR+T?

The nominal supply voltage is 2.63V.

What is the reset timeout of the MAX803REXR+T?

The reset timeout is 140ms minimum; the power-on-reset pulse width is also 140ms minimum.

What type of reset output does the MAX803REXR+T have?

The reset output is active-low with open-drain or open-collector construction.

How many voltages can the MAX803REXR+T monitor?

It monitors a single voltage.

What is the operating temperature range of the MAX803REXR+T?

-40°C to 125°C.

What is the supply current of the MAX803REXR+T?

The typical supply current is 12μA.

What package is the MAX803REXR+T available in?

It is available in an SC-70-3 surface-mount package, also listed as SC-70 / SOT-323.

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