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Analog Devices Inc. ADM810TART-REEL
- Part No.:
- ADM810TART-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
ADM810TART-REEL.pdf
- Description:
- IC SUPERVSR PUSHPULL 3.08V SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:9,700
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Product details
Overview
ADM810TART-REEL from Analog Devices is a microprocessor supervisory circuit in 3-lead SOT-23 package, providing active-high push-pull RESET output with 3.08 V reset threshold, 240 ms typical power-on reset timeout, and operation down to 1.0 V VCC. It monitors supply voltage in embedded controllers and ensures reliable reset assertion during brownout conditions.
For engineers reviewing the ADM810TART-REEL datasheet, ADM810TART-REEL pinout, ADM810TART-REEL application, or ADM810TART-REEL equivalent, key selection criteria include reset threshold accuracy (±2.5% over −40°C to +125°C), low 17 μA quiescent current, push-pull output drive capability, SOT-23 footprint compatibility, and guaranteed reset assertion below 1 V VCC.
Technical Context
The ADM810TART-REEL integrates a precision voltage comparator with built-in glitch immunity and an internal 240 ms reset timer. Its reference circuit maintains stable threshold detection across temperature (30 ppm/°C drift) and supports operation from 1.0 V to 5.5 V VCC.
Unlike open-drain variants, the ADM810TART-REEL uses a push-pull output stage capable of sourcing 150 μA at 1.8 V < VCC < VTH(min) and sinking 1.2 mA at VTH(min), eliminating need for external pull-up resistors in microprocessor reset circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 3.08 V ±2.5% over −40°C to +125°C - ensures reliable reset activation before microprocessor fails to operate. |
| Reset Timeout | 240 ms typical power-on delay - holds processor in reset until supply stabilizes after cold start. | VCC Range | 1.0 V to 5.5 V - enables use with 1.8 V, 2.5 V, 3.3 V, and 5 V systems without level-shifting. |
| Supply Current | 17 μA at VCC < 3.6 V - minimizes battery drain in portable and always-on embedded devices. |
| Output Type | Active-high push-pull - directly interfaces to CMOS reset inputs without external components. |
| Operating Temp | −40°C to +125°C - qualified for automotive under-hood and industrial control environments. |
Pinout & Package
ADM810TART-REEL uses a 3-lead SOT-23 (RT-3) package with 1.3 mm × 2.9 mm footprint and 0.95 mm height, compatible with standard reflow profiles and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC | Monitored supply input - connects directly to system rail being supervised (e.g., 3.3 V microcontroller VDD). |
| 2 | RESET | Active-high push-pull output - drives microprocessor RESET pin high during fault; no pull-up required. |
| 3 | GND | Ground reference - must be connected to same ground plane as monitored VCC for accurate threshold sensing. |
Key Features
| Feature | Design Value |
|---|---|
| Glitch-immune comparator | Rejects transients up to 100 mV overdrive for ≤100 μs - prevents false resets from supply noise. |
| Precision voltage reference | 30 ppm/°C tempco - maintains ±2.5% threshold accuracy across full industrial temperature range. |
| Low-voltage operation | Valid RESET assertion down to 1.0 V VCC - guarantees reset remains active during deep brownout. |
| Push-pull output | Sources 150 μA at 1.8 V < VCC < VTH(min) - eliminates external pull-up and reduces BOM count. |
| Wide VCC range | 1.0 V to 5.5 V operation - supports legacy 5 V and modern 1.8 V/2.5 V logic families in same design. |
Applications
| Industrial PLC Controller | Automotive Body Control Module |
|---|---|
Use Scenario: Monitors 3.3 V MCU supply in programmable logic controller exposed to wide ambient temperature swings and EMI-rich factory floor environments. IC Role / Device Role / Timing Role: Supervisory circuit asserting active-high RESET to ARM Cortex-M4 during undervoltage events and cold power-up. Use Value: 240 ms fixed timeout ensures firmware initialization completes before peripheral clocks stabilize; 30 ppm/°C tempco prevents spurious resets at −40°C or +125°C. | Use Scenario: Supervises 5 V power rail feeding microcontroller in door module, subject to load dump and battery rundown conditions. IC Role / Device Role / Timing Role: Voltage monitor generating clean active-high reset pulse when battery drops below 3.08 V during engine cranking. Use Value: Push-pull output drives reset pin directly without pull-up resistor; 1.0 V minimum VCC operation maintains reset assertion even during severe brownout. |
| Medical Infusion Pump | Smart Energy Meter |
Use Scenario: Ensures safe startup and fault recovery of safety-critical MCU in battery-powered infusion pump operating at 2.5 V nominal. IC Role / Device Role / Timing Role: Reset supervisor asserting active-high signal to lock out motor drivers until regulated 2.5 V rail reaches valid level. Use Value: 17 μA quiescent current extends battery life; ±2.5% threshold tolerance meets IEC 62304 Class C reliability requirements. | Use Scenario: Monitors 3.3 V supply in utility meter with long-term field deployment and wide seasonal temperature variation. IC Role / Device Role / Timing Role: Precision voltage detector triggering active-high reset on AC line sag or capacitor aging-induced undervoltage. Use Value: SC70/SOT-23 package allows compact layout; 240 ms timeout accommodates slow-rising SMPS outputs in metering applications. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX809TTR | 3.08 V threshold, SOT-23, active-low open-drain output, 1.2 μA max supply current | Requires external pull-up; incompatible with active-high reset inputs without inversion | Select only if system requires active-low reset and board space permits pull-up resistor |
| TPS3808G30DBVR | 3.0 V threshold (±0.5%), SOT-23, active-high push-pull, 1.1 μA supply current, adjustable delay option | Lower threshold tolerance but tighter initial accuracy; lacks guaranteed 1.0 V operation | Prefer for ultra-low-power designs where 3.0 V vs. 3.08 V threshold is acceptable and 1.0 V brownout hold is not required |
Compared with MAX809TTR and TPS3808G30DBVR, the ADM810TART-REEL uniquely combines 3.08 V precision threshold, active-high push-pull output, and guaranteed reset assertion down to 1.0 V VCC - making it optimal for brownout-critical industrial and automotive applications where reset polarity and low-voltage robustness are non-negotiable.
Availability
ADM810TART-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 ADM810TART-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 ADM810TART-REEL belongs to Analog Devices' microprocessor supervisory circuit family, designed specifically to provide reliable, low-power reset functionality for embedded systems operating under harsh voltage and temperature conditions.
FAQ
What is the reset threshold voltage of the ADM810TART-REEL and how stable is it over temperature?
The ADM810TART-REEL has a nominal reset threshold of 3.08 V, specified with ±2.5% tolerance over −40°C to +125°C. Its internal reference exhibits 30 ppm/°C temperature coefficient, ensuring minimal drift across industrial and automotive temperature ranges. This stability is confirmed in Table 1 and Figure 9 of the ADM803/ADM809/ADM810 Rev. I datasheet.
Does the ADM810TART-REEL require an external pull-up resistor on its RESET pin?
No, the ADM810TART-REEL features a push-pull output stage that actively drives both high and low states, eliminating the need for an external pull-up resistor. This is explicitly stated in the General Description section and distinguishes it from the open-drain ADM803 series. The ADM810TART-REEL's RESET pin sources 150 μA when high and sinks 1.2 mA when low.
Can the ADM810TART-REEL operate reliably when the supply voltage drops below 2.0 V?
Yes, the ADM810TART-REEL guarantees valid RESET assertion down to 1.0 V VCC, as documented in the Absolute Maximum Ratings and General Description sections. Its reset output remains functional and correctly asserted even during deep brownout conditions - a critical feature for fail-safe behavior in safety-critical systems.
What is the power-on reset timeout duration of the ADM810TART-REEL and is it adjustable?
The ADM810TART-REEL provides a fixed 240 ms typical power-on reset timeout, with a guaranteed minimum of 140 ms and maximum of 460 ms over −40°C to +85°C. This timing is internally generated and not user-adjustable. The value is confirmed in Table 1 under "RESET ACTIVE TIMEOUT PERIOD" and illustrated in Figure 2 of the datasheet.
Which package type does the ADM810TART-REEL use and what are its key mechanical dimensions?
The ADM810TART-REEL uses the 3-lead SOT-23 (RT-3) package, with body dimensions of 2.90 mm × 1.30 mm × 1.02 mm and 0.95 mm maximum height. Pin pitch is 0.95 mm, and it complies with JEDEC TO-236-AB standards. These specifications are detailed in Figure 14 and the Outline Dimensions section of the ADM803/ADM809/ADM810 datasheet.
ADM810TART-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- -
- Output:
- Push-Pull, Totem Pole
- Reset:
- Active High
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
ADM810TART-REEL FAQ
1.How can I place an order for ADM810TART-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM810TART-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 ADM810TART-REEL reliable?
The price and inventory of ADM810TART-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM810TART-REEL is usually 5 days.
3.What payment methods are accepted for ADM810TART-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM810TART-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM810TART-REEL?
ADM810TART-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM810TART-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 ADM810TART-REEL?
For technical support, including ADM810TART-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM810TART-REEL requirements.
6.How does Aetrix verify that ADM810TART-REEL is sourced from the original manufacturer or authorized distributors?
All ADM810TART-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 ADM810TART-REEL meets industry standards.
7.What is the process for return or replacement of ADM810TART-REEL?
All ADM810TART-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADM810TART-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 ADM810TART-REEL part is unused and in its original packaging.
Return procedure for ADM810TART-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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