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Analog Devices Inc. ADM810SART-REEL
- Part No.:
- ADM810SART-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
ADM810SART-REEL.pdf
- Description:
- IC SUPERVSR PUSHPULL 2.93V SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:30,000
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Product details
Overview
ADM810SART-REEL from Analog Devices is a microprocessor supervisory circuit in 3-lead SOT-23 package, providing active-high push-pull RESET output with 2.93 V reset threshold, 240 ms typical power-on reset timeout, operation down to 1.0 V VCC, and 17 μA supply current. It monitors supply voltage in embedded controllers and ensures reliable reset assertion during power-up, brownout, and power-down.
For engineers reviewing the ADM810SART-REEL datasheet, ADM810SART-REEL pinout, ADM810SART-REEL application, or ADM810SART-REEL equivalent, key selection criteria include reset polarity (active-high), push-pull output drive capability, guaranteed operation at VCC ≥ 1.0 V, temperature-stable 2.93 V threshold across −40°C to +125°C, and compatibility with 3 V nominal systems requiring precise supply monitoring.
Technical Context
The ADM810SART-REEL integrates a precision voltage comparator with built-in glitch immunity and an internal 240 ms reset timer. Its reference circuit maintains ±0.7% threshold accuracy over temperature (−40°C to +125°C) and exhibits only 30 ppm/°C temperature coefficient.
It features a push-pull RESET output capable of sourcing 150 μA at 1.8 V < VCC < VTH(min) and sinking 1.2 mA at VCC = VTH(min), eliminating need for external pull-up resistors. The device remains functional with VCC as low as 1.0 V, enabling robust reset generation even during deep brownout conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.93 V (typical at 25°C); accurate monitoring of 3.0 V nominal supplies with ±0.15 V tolerance over full temperature range |
| Reset Timeout | 240 ms (typical); holds microprocessor in reset until supply stabilizes after power-up |
| Supply Current | 17 μA (typical at VCC < 3.6 V); enables use in battery-powered and ultra-low-power systems |
| VCC Operating Range | 1.0 V to 5.5 V; supports valid reset assertion even during severe brownout down to 1.0 V |
| Output Type | Active-high push-pull; drives logic-high directly without external components, compatible with CMOS/TTL inputs |
| Temperature Range | −40°C to +125°C; qualified for automotive and industrial environments requiring extended thermal operation |
| Reset Polarity | Active-high (RESET); asserts high during fault condition and deasserts low when VCC exceeds threshold |
Pinout & Package
ADM810SART-REEL uses a 3-lead SOT-23 (RT-3) package with 1.3 mm × 2.9 mm footprint and 0.95 mm height, compliant with JEDEC TO-236-AB standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (GND) | Ground Reference | 0 V reference for all internal circuitry and reset comparator; must be connected to system ground plane |
| 2 (VCC) | Supply Input | Monitored voltage rail; powers internal circuitry and determines reset assertion state based on threshold comparison |
| 3 (RESET) | Active-High Output | Push-pull logic output that drives high while VCC < 2.93 V and remains high for 240 ms after VCC rises above threshold |
Key Features
| Feature | Design Value |
|---|---|
| Precision Reset Threshold | 2.93 V ±0.15 V over −40°C to +125°C ensures reliable detection of 3.0 V supply faults without false resets |
| Low-Power Operation | 17 μA typical supply current extends battery life in portable instrumentation and remote sensors |
| Brownout Immunity | Valid reset assertion down to 1.0 V VCC prevents premature release during deep undervoltage events |
| Glitch-Immune Comparator | Built-in filtering rejects fast transients ≤100 μs on VCC, avoiding spurious resets from supply noise |
| Push-Pull Output | No external pull-up required; drives CMOS/TTL inputs directly with 150 μA source / 1.2 mA sink capability |
Applications
| Industrial PLC Controller | Automotive Body Control Module |
|---|---|
Use Scenario: Monitors 3.3 V microcontroller supply in programmable logic controller operating in factory environments with wide ambient temperature swings. IC Role / Device Role / Timing Role: Supervisory circuit asserting active-high RESET to hold MCU in known state during cold start and voltage sags. Use Value: 240 ms guaranteed timeout and −40°C to +125°C operation ensure deterministic boot sequencing despite thermal cycling and line transients. |
Use Scenario: Embedded in vehicle body control unit where 3.0 V rail powers CAN interface and sensor signal conditioning ICs. IC Role / Device Role / Timing Role: Voltage monitor generating clean active-high reset pulse synchronized to battery-derived 3.0 V supply stability. Use Value: 2.93 V threshold matches 3.0 V nominal with margin; push-pull output eliminates pull-up resistor, reducing BOM count and PCB area. |
| Medical Infusion Pump | Smart Energy Meter |
Use Scenario: Ensures safe startup of ARM-based controller in battery-backed infusion pump with strict IEC 60601-1 reliability requirements. IC Role / Device Role / Timing Role: Fault-tolerant reset generator maintaining MCU reset until regulated 3.0 V supply reaches stable operating window. Use Value: 17 μA quiescent current minimizes battery drain during standby; 1.0 V VCC operation guarantees reset integrity during final battery discharge phase. |
Use Scenario: Used in utility-grade electricity meter with isolated 3.0 V auxiliary supply derived from mains transformer. IC Role / Device Role / Timing Role: Primary supervisor verifying integrity of metering SoC power rail before enabling real-time clock and metrology functions. Use Value: ±0.15 V threshold tolerance over temperature prevents false resets caused by seasonal ambient shifts; RoHS-compliant SOT-23 package meets environmental compliance mandates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADM809SART-REEL7 | Same 2.93 V threshold, −40°C to +125°C range, and SOT-23 package but provides active-low RESET output | Requires inverted logic handling in MCU reset input; not drop-in compatible with active-high reset pin requirements | Select when system design expects active-low reset assertion and board layout cannot accommodate level-shifting |
| TPS3808G33DBVR | 2.93 V threshold, 200 ms reset timeout, 1.8–6.0 V VCC range, but consumes 2.5 μA (lower) and offers adjustable delay via capacitor | Lacks guaranteed 1.0 V operation; minimum VCC = 1.8 V limits brownout coverage compared to ADM810SART-REEL | Prefer for ultra-low-power designs where 200 ms timeout suffices and brownout below 1.8 V is not required |
Compared with ADM809SART-REEL7, ADM810SART-REEL avoids external inversion circuitry; compared with TPS3808G33DBVR, it delivers superior brownout resilience down to 1.0 V VCC-critical for fail-safe operation in safety-critical embedded systems.
Availability
ADM810SART-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 with long-term manufacturability and RoHS compliance.
Supply support for ADM810SART-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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with engineering centers worldwide.
The ADM810SART-REEL belongs to the ADM803/ADM809/ADM810 family of microprocessor supervisory circuits, designed specifically for reliable power-on reset generation, brownout detection, and supply voltage monitoring in space-constrained, thermally demanding embedded systems.
FAQ
What is the reset threshold voltage of the ADM810SART-REEL?
The ADM810SART-REEL has a nominal reset threshold voltage of 2.93 V at 25°C, with guaranteed range of 2.85 V to 3.00 V over −40°C to +85°C and 2.81 V to 3.05 V over −40°C to +125°C. This precision threshold enables accurate monitoring of 3.0 V nominal supply rails in industrial and automotive applications where tight voltage margins are critical.
Does the ADM810SART-REEL support operation at very low supply voltages?
Yes, the ADM810SART-REEL remains fully functional and asserts RESET down to VCC = 1.0 V, making it suitable for deep brownout detection in battery-powered systems. Its internal circuitry continues to compare VCC against the 2.93 V threshold and maintain the active-high RESET signal until VCC rises above threshold and the 240 ms timeout expires.
What is the output configuration of the ADM810SART-REEL?
The ADM810SART-REEL features a push-pull active-high RESET output-pin 3 drives high when VCC is below 2.93 V and remains high for 240 ms after VCC rises above threshold, then drives low. Unlike open-drain variants, it requires no external pull-up resistor and interfaces directly with standard CMOS/TTL inputs.
Is the ADM810SART-REEL RoHS compliant?
Yes, the ADM810SART-REEL is RoHS compliant, as indicated by the "Z" suffix in its full ordering code and confirmed in the Analog Devices ordering guide. It contains no lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), or polybrominated diphenyl ethers (PBDE), meeting EU Directive 2011/65/EU requirements.
What package type does the ADM810SART-REEL use?
The ADM810SART-REEL uses a 3-lead SOT-23 (RT-3) package measuring 1.3 mm × 2.9 mm with 0.95 mm height, compliant with JEDEC TO-236-AB standard. This compact surface-mount package supports automated assembly and provides thermal impedance of 270°C/W, suitable for high-density PCB layouts in space-constrained applications.
ADM810SART-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
ADM810SART-REEL FAQ
1.How can I place an order for ADM810SART-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM810SART-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 ADM810SART-REEL reliable?
The price and inventory of ADM810SART-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM810SART-REEL is usually 5 days.
3.What payment methods are accepted for ADM810SART-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM810SART-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM810SART-REEL?
ADM810SART-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM810SART-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 ADM810SART-REEL?
For technical support, including ADM810SART-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM810SART-REEL requirements.
6.How does Aetrix verify that ADM810SART-REEL is sourced from the original manufacturer or authorized distributors?
All ADM810SART-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 ADM810SART-REEL meets industry standards.
7.What is the process for return or replacement of ADM810SART-REEL?
All ADM810SART-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADM810SART-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 ADM810SART-REEL part is unused and in its original packaging.
Return procedure for ADM810SART-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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