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Analog Devices Inc. ADM810RARTZ-REEL
- Part No.:
- ADM810RARTZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
ADM810RARTZ-REEL.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:4,795
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Product details
Overview
ADM810RARTZ-REEL from Analog Devices is a microprocessor supervisory circuit with active-high push-pull RESET output, 2.63 V reset threshold, −40°C to +125°C operating temperature range, 17 μA supply current, and SOT-23-3 package. It monitors VCC in embedded controllers and ensures reliable power-on reset assertion for 240 ms (typical) during system startup.
For engineers reviewing the ADM810RARTZ-REEL datasheet, ADM810RARTZ-REEL pinout, ADM810RARTZ-REEL application, or ADM810RARTZ-REEL equivalent, key selection criteria include reset polarity (active-high), minimum VCC operation down to 1.0 V, guaranteed reset timeout of 140–460 ms across temperature, push-pull drive capability without external pull-up, and RoHS-compliant SOT-23 packaging for space-constrained industrial control designs.
Technical Context
The ADM810RARTZ-REEL implements a precision voltage comparator with built-in glitch immunity and an internal 240 ms power-on reset timer. Its reset threshold is trimmed to 2.63 V (±3% over −40°C to +85°C), and it remains functional with VCC as low as 1.0 V-enabling robust brownout detection in wide-input industrial power rails.
Unlike open-drain variants (e.g., ADM803), the ADM810RARTZ-REEL uses a push-pull output stage capable of sourcing ≥150 μA at 0.8×VCC and sinking ≥1.2 mA at ≤0.3 V, eliminating need for external pull-up resistors and simplifying interface to 3.3 V or 5 V microcontroller reset inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.63 V ±3% (−40°C to +85°C); ensures reliable reset assertion before 3.3 V or 2.5 V logic supplies fall below safe operating margin. |
| Reset Timeout (min) | 140 ms; guarantees microprocessor remains held in reset long enough for clock stabilization and PLL lock in embedded systems. |
| Supply Current | 17 μA (typical at VCC < 3.6 V); enables use in battery-backed or energy-harvesting applications without compromising runtime. |
| VCC Operating Range | 1.0 V to 5.5 V; supports operation during deep brownout and allows monitoring of low-voltage rails such as 1.8 V I/O domains. |
| Output Type | Active-high push-pull; drives MCU reset pin directly without external components, reducing BOM count and PCB area. |
| Temperature Range | −40°C to +125°C; qualified for under-hood automotive, industrial motor drives, and outdoor telecom equipment. |
Pinout & Package
ADM810RARTZ-REEL is housed in a 3-lead SOT-23 (RT-3) package per JEDEC TO-236-AB, with 1.3 mm × 2.9 mm footprint and 1.1 mm height. Pin 1 = VCC, Pin 2 = RESET (active-high push-pull), Pin 3 = GND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VCC) | Supply Input | Monitored voltage rail; device operates and asserts reset when VCC drops below 2.63 V. |
| 2 (RESET) | Active-High Output | Push-pull logic output; drives high during normal operation, pulls low for 240 ms after power-up or brownout recovery. |
| 3 (GND) | Ground Reference | Common return path for internal comparator and output stage; must be connected to system ground plane for noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Glitch-immune comparator | Rejects transients up to 100 mV overdrive for ≤200 μs, preventing false resets during switching noise on VCC. |
| Low-VCC reset operation | Asserts valid reset signal down to VCC = 1.0 V, enabling fail-safe behavior even during severe undervoltage events. |
| Precision threshold tolerance | ±3% over −40°C to +85°C ensures consistent reset point across industrial temperature extremes. |
| No external components required | Push-pull output eliminates need for pull-up resistor, reducing layout complexity and improving reliability in high-vibration environments. |
Applications
| Industrial PLC Controller | Automotive Body Control Module |
|---|---|
Use Scenario: Monitors 3.3 V microcontroller supply in programmable logic controller exposed to 12 V battery transients and thermal cycling. IC Role / Device Role / Timing Role: Supervisory circuit providing active-high reset pulse with 240 ms timeout to hold ARM Cortex-M4 in reset until power and clocks stabilize. Use Value: Prevents firmware corruption during cold-crank (VCC dip to 2.2 V) by asserting reset until VCC exceeds 2.63 V and remains stable for ≥140 ms. | Use Scenario: Embedded in door module controlling window lift, mirror fold, and lighting functions powered from vehicle 5 V rail. IC Role / Device Role / Timing Role: Voltage monitor ensuring MCU reset during load-dump (ISO 7637-2 Pulse 5a) and battery disconnect events. Use Value: Maintains reset assertion down to 1.0 V VCC, guaranteeing clean restart after 12 V battery drop to 4.5 V during alternator failure. |
| Medical Infusion Pump | Smart Energy Meter |
Use Scenario: Secures safety-critical ARM-based controller in battery-operated infusion pump with dual 3.3 V/1.8 V rails. IC Role / Device Role / Timing Role: Primary reset supervisor for main processor; active-high output interfaces directly to reset input with no external biasing. Use Value: 17 μA quiescent current extends battery life; −40°C to +125°C rating supports operation in sterilized enclosures and ambient storage conditions. | Use Scenario: Monitors backup supercapacitor-supplied 3.3 V rail during AC mains failure in DIN-rail mounted electricity meter. IC Role / Device Role / Timing Role: Brownout detector triggering controlled shutdown and nonvolatile state save before VCC falls below 2.63 V. Use Value: 2.63 V threshold aligns precisely with 3.3 V LDO dropout voltage, maximizing usable backup energy while preventing erratic MCU behavior. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX809RTRG+T | 2.63 V threshold, active-low open-drain output, 1.2 μA max supply current, SOT-23-3 | Requires external pull-up resistor; incompatible with active-high reset MCU inputs without level-shifting. | Select only if system design already uses active-low reset architecture and board layout accommodates pull-up. |
| TPS3808G33DBVR | 3.3 V threshold, active-high push-pull, 16 μA supply current, SOT-23-6 (6-pin) | Higher threshold unsuitable for 2.5 V/3.3 V mixed-rail systems; larger package increases PCB area. | Prefer when monitoring 3.3 V rail exclusively and additional enable/disable control is needed (pin 1). |
Compared with MAX809RTRG+T and TPS3808G33DBVR, the ADM810RARTZ-REEL uniquely combines 2.63 V precision threshold, active-high push-pull output, and SOT-23-3 footprint-making it optimal for compact, dual-rail industrial controllers where reset polarity and component count are critical.
Availability
ADM810RARTZ-REEL is available at Aetrix Electronics and suitable for industrial PLC controllers, automotive body control modules, medical infusion pumps, and smart energy meters requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADM810RARTZ-REEL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets since 1965.
The ADM810RARTZ-REEL belongs to the ADM803/ADM809/ADM810 family of microprocessor supervisory circuits, engineered for fail-safe power monitoring in harsh environments where precise reset timing and ultra-low power consumption are mandatory.
FAQ
What is the reset polarity and output structure of the ADM810RARTZ-REEL?
The ADM810RARTZ-REEL features an active-high push-pull RESET output. During normal operation (VCC > 2.63 V), RESET is driven high; when VCC falls below threshold or during power-up, RESET is actively pulled low for 240 ms (typical). This eliminates need for external pull-up resistors and ensures deterministic logic levels across temperature and load conditions-critical for reliable interfacing with modern microcontrollers requiring active-high reset signals.
Does the ADM810RARTZ-REEL support operation below 2.0 V VCC?
Yes, the ADM810RARTZ-REEL remains fully functional with VCC as low as 1.0 V, maintaining accurate reset assertion and timing down to this level. Its internal comparator and timer continue operating reliably at sub-2.0 V, enabling robust brownout protection in systems with wide-input DC/DC converters or aging battery supplies-unlike many competitors that cease reset functionality below 1.8 V.
What is the guaranteed reset timeout range for ADM810RARTZ-REEL across temperature?
The ADM810RARTZ-REEL guarantees a reset active timeout between 140 ms and 460 ms over −40°C to +85°C, and 100 ms to 840 ms over +85°C to +125°C. This wide tolerance band ensures fail-safe reset hold time under all specified conditions, accommodating variations in capacitor aging, PCB trace resistance, and ambient thermal gradients in deployed equipment.
Can ADM810RARTZ-REEL be used in place of ADM809RARTZ-REEL?
No-ADM810RARTZ-REEL and ADM809RARTZ-REEL have opposite reset polarities: ADM810RARTZ-REEL outputs active-high RESET, while ADM809RARTZ-REEL outputs active-low RESET. Swapping them without circuit modification will invert reset logic and likely cause system boot failure. Verify MCU reset input polarity before substitution; no pin-to-pin compatibility exists between these variants.
Is ADM810RARTZ-REEL RoHS compliant and what does the 'Z' suffix indicate?
Yes, ADM810RARTZ-REEL is RoHS compliant-the 'Z' in the part number explicitly denotes compliance with EU Directive 2011/65/EU. The device contains no lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), or polybrominated diphenyl ethers (PBDE), and meets Analog Devices' green packaging standards for industrial and automotive applications.
ADM810RARTZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 2.63V
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active High
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
ADM810RARTZ-REEL FAQ
1.How can I place an order for ADM810RARTZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM810RARTZ-REEL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADM810RARTZ-REEL reliable?
The price and inventory of ADM810RARTZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM810RARTZ-REEL is usually 5 days.
3.What payment methods are accepted for ADM810RARTZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM810RARTZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM810RARTZ-REEL?
ADM810RARTZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM810RARTZ-REEL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADM810RARTZ-REEL?
For technical support, including ADM810RARTZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM810RARTZ-REEL requirements.
6.How does Aetrix verify that ADM810RARTZ-REEL is sourced from the original manufacturer or authorized distributors?
All ADM810RARTZ-REEL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADM810RARTZ-REEL meets industry standards.
7.What is the process for return or replacement of ADM810RARTZ-REEL?
All ADM810RARTZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADM810RARTZ-REEL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADM810RARTZ-REEL part is unused and in its original packaging.
Return procedure for ADM810RARTZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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