ADI ADM1232ARNZ Datasheet
The ADM1232ARNZ from Analog Devices is a low-power microprocessor supervisory circuit designed to monitor power supplies, lock-up states, and external interrupts in embedded systems. It features an adjustable precision voltage monitor, an integrated watchdog timer, and a manual push-button reset input without requiring external components.
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Part Number: ADM1232ARNZ
Manufacturer: Analog Devices Inc.
Stock: 20k pcs
Date Code: 26+
Package: SOP8
Technical Specifications
The following table outlines the key technical parameters for the ADM1232ARNZ:
| Parameter | Specification |
| Manufacturer | Analog Devices, Inc. |
| Supply Voltage | 4.5 V to 5.5 V (5.0 V nominal) |
| Operating Temperature Range | -40°C to +85°C |
| Package / Case | 8-Lead SOIC_N (R-8) |
| Supply Voltage Trip Points | 4.5 V (5%) / 4.25 V (10%) |
| Watchdog Timeout Options | 150 ms / 600 ms / 1.2 sec (typ) |
| Push-Button Reset Delay | 20 ms min pulse duration |
| Compliance | RoHS & REACH Compliant ("Z" suffix) |
Supply Chain Insights
Standard factory lead times for specialized supervisory ICs often fluctuate between 12 to 20 weeks through franchised channels. To mitigate allocation delays and supply chain interruptions, ICHOME maintains ready-to-ship inventory in our ESD-protected warehouse facilities with same-day dispatch options.
Pin-Compatible Alternatives of ADI ADM1232ARNZ
If you are facing extended factory lead times or BOM cost pressures, the ADM1232ARNZ is pin-compatible with the following drop-in replacements:
Analog Devices: MAX1232ESA+ or MAX1232CPA+
A direct drop-in replacement sharing identical pinouts and 5V supply logic for seamless board integration without layout changes.
Analog Devices: DS1232LPS-2+ or DS1232LP+
Provides identical watchdog timing and push-button reset functionality, ideal for quick supply chain swaps.
Key Applications of ADM1232ARNZ
The ADM1232ARNZ is widely deployed across critical North American and European industrial automation and automotive applications:
Microprocessor & Controller Monitoring: Prevents system lock-up in mission-critical embedded processing units.
Automotive Systems & Infrastructure: Ensures brownout protection and watchdog monitoring under harsh thermal environments.
Industrial Automation & Intelligent Instruments: Delivers noise-debounced manual resets and system recovery logic.
Portable & Edge Computing Equipment: Maintains ultra-low power operating currents (20 µA typ) for remote electronics.
Outline Dimensions of ADM1232ARNZ
The ADM1232ARNZ is supplied in a standard 8-lead narrow-body SOIC_N (R-8) package, measuring 4.90 mm in body length and 3.90 mm in width with a 1.27 mm lead pitch. It complies with JEDEC standards MS-012-AA for easy surface-mount assembly and drop-in layout compatibility.
What Is the Difference Between ADM1232ARN and ADM1232ARNZ?
The primary difference lies in environmental compliance: the ADM1232ARNZ is the RoHS-compliant (Lead-Free) version designated by the "Z" suffix. Both parts share identical electrical characteristics, pin configurations, and SOIC_N package dimensions. Legacy non-RoHS variants (ADM1232ARN) are largely phased out in favor of the compliant ADM1232ARNZ.
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