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MAX1232ESA+ The MAX1232ESA+ is a microprocessor supervisory circuit from Analog Devices / Maxim Integrated. It provides power-supply monitoring and reset functions.
Mfr Part #:

MAX1232ESA+

Available from 3 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX1232ESA+ is a microprocessor supervisory circuit from Analog Devices / Maxim Integrated. It provides power-supply monitoring and reset functions.
✓ Total Stock: 147 pcs
$ Price Range: $0.75

MAX1232ESA+ Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
72 pcs
On Request
72 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
60 pcs
On Request
60 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
15 pcs
On Request
15 pcs On Request 1 On Request On Request On Request On Request 2026-02-23 21:33:16
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.

MAX1232ESA+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Voltages Monitored
Operating Temperature
Output
Reset
Reset Timeout
Supplier Device Package
Supply Voltage
Type
Voltage
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MAX1232ESA+ Description

Short technical summary and product information.

The MAX1232ESA+ is a microprocessor supervisory circuit designed to enhance system reliability by monitoring power supply conditions and software execution. It provides a debounced manual reset input and a digitally programmable watchdog timer. The device consumes significantly less power than older designs like the DS1232.

 

Key features include adjustable voltage thresholds of 4.37V or 4.62V, a minimum reset pulse width of 250ms, and watchdog timer timeout settings of 150ms, 600ms, or 1.2s. It requires no external components for operation.

 

This supervisor IC is available in an 8-pin SOIC surface-mount package, suitable for a wide operating temperature range of -40°C to 85°C. Its primary applications include computers, controllers, intelligent instruments, and critical power monitoring systems.

 

The MAX1232ESA+ is a plug-in upgrade for the Dallas DS1232, offering improved power efficiency. It is designed for applications where robust power monitoring and system reset are critical for reliable operation.

MAX1232ESA+ Quick Information

Product Type: Supervisor IC
Canonical Name: MAX1232ESA+ Microprocessor Supervisory Circuit
Subcategory: Power Management

MAX1232ESA+ Compliance

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

MAX1232ESA+ Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

MAX1232ESA+ Features

  • Provides microprocessor housekeeping and power supervision.
  • Adjustable voltage thresholds at 4.37V or 4.62V.
  • Minimum reset pulse width of 250ms.
  • Digitally programmable watchdog timer.
  • Requires no external components.

MAX1232ESA+ Applications

  • Used in computer systems.
  • Suitable for controller applications.
  • Ideal for intelligent instruments.
  • Critical for μP power monitoring.

MAX1232ESA+ FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the MAX1232ESA+?

The MAX1232ESA+ operates with a nominal supply voltage of 5.0V, with a range from 4.5V to 5.5V.

What is the reset timeout duration for the MAX1232ESA+?

The reset timeout for the MAX1232ESA+ is a minimum of 250ms.

What is the operating temperature range of the MAX1232ESA+?

The MAX1232ESA+ operates within a temperature range of -40°C to 85°C (TA).

What package type is the MAX1232ESA+ available in?

The MAX1232ESA+ is available in an 8-SOIC package.

What are the voltage threshold options for the MAX1232ESA+?

The MAX1232ESA+ has adjustable voltage thresholds at 4.37V and 4.62V.

Does the MAX1232ESA+ include a watchdog timer?

Yes, the MAX1232ESA+ features a digitally programmable watchdog timer with timeout settings of 150ms, 600ms, or 1.2s.

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