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Analog Devices Inc. ADM1816-10ART-REEL
- Part No.:
- ADM1816-10ART-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
ADM1816-10ART-REEL.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:3,904
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Product details
Overview
ADM1816-10ART-REEL from Analog Devices is a precision microprocessor reset circuit with open-drain output and internal 5.5 kΩ pull-up resistor, designed to monitor 3.3 V and 3 V power supplies. It asserts an active-low reset for 150 ms (typical) after VCC rises above its 2.88 V (typical) trip point, ensuring safe system initialization in embedded controllers. Its 3-lead SOT-23 package supports space-constrained industrial and automotive applications.
For engineers reviewing the ADM1816-10ART-REEL datasheet, ADM1816-10ART-REEL pinout, ADM1816-10ART-REEL application, or ADM1816-10ART-REEL equivalent, key selection criteria include reset threshold accuracy (±1.5% over −40°C to +105°C), ultra-low quiescent current (10 µA at 3.6 V), open-drain compatibility with I²C-bus logic levels, and guaranteed reset timeout across full temperature range.
Technical Context
The ADM1816-10ART-REEL implements a bandgap-based voltage reference with comparator hysteresis and a fixed 150 ms (typical) reset timeout timer. Its internal pull-up resistor eliminates external components when interfacing with standard CMOS reset inputs.
This device belongs to the ADM181x family of single-supply voltage monitors optimized for low-voltage microprocessor systems. It operates from 1.2 V to 5.5 V supply, draws ≤10 µA at 3.6 V, and delivers 8 mA sink capability on the RST pin - sufficient to drive most MCU reset inputs directly without buffering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.88 V typical (−40°C to +105°C); enables reliable monitoring of 3.3 V and 3 V rails with ±1.5% tolerance. |
| Reset Timeout | 150 ms typical (100–250 ms min–max); ensures stable power supply settling before release of processor reset. |
| Supply Range | 1.2 V to 5.5 V; supports operation down to brown-out conditions while maintaining valid reset assertion. |
| Quiescent Current | 10 µA at 3.6 V; minimizes standby power in battery-backed or energy-sensitive systems. |
| RST Sink Current | 8 mA at VOUT = 0.4 V; drives standard CMOS reset inputs without external pull-down or level-shifting. |
| Output Type | Open-drain with integrated 5.5 kΩ pull-up; simplifies interface to multiple voltage domains and enables wired-OR reset buses. |
| Operating Temp | −40°C to +105°C; qualified for industrial and under-hood automotive environments. |
Pinout & Package
ADM1816-10ART-REEL is housed in a 3-lead SOT-23 (RT-3) package, measuring 2.90 mm × 1.30 mm × 1.02 mm, with JEDEC TO-236-AB compliance and gull-wing leads for reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RST | Active-low open-drain reset output; sinks current when asserted, floats high (pulled up internally) when released. |
| 2 | VCC | Monitored supply input; powers internal circuitry and serves as reference for threshold detection. |
| 3 | GND | Ground reference for all internal comparators, timers, and output stage; must be low-impedance return path. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated pull-up resistor | 5.5 kΩ (typical); eliminates need for external resistor in most MCU reset interfaces. |
| Fixed reset timeout | 150 ms typical with <±50 ms variation over temperature; guarantees deterministic startup timing. |
| Low-voltage operation | Functional down to 1.2 V supply; maintains reset assertion during deep brown-out events. |
| High-accuracy threshold | ±1.5% initial tolerance at 2.88 V; reduces risk of premature or delayed reset in critical systems. |
| Wide temperature range | Specified from −40°C to +105°C; supports deployment in harsh industrial and automotive environments. |
Applications
| Industrial PLC Controller | Automotive Body Control Module |
|---|---|
Use Scenario: Power-on reset sequencing in programmable logic controllers operating from 3.3 V rail with wide ambient temperature swings. IC Role / Device Role / Timing Role: Voltage monitor and timed reset generator ensuring CPU remains held until 3.3 V rail stabilizes post-power-up. Use Value: Prevents firmware corruption by guaranteeing ≥150 ms reset hold time even at −40°C or +105°C, eliminating need for external RC timing networks. |
Use Scenario: Reset supervision for microcontrollers in door module ECUs powered from regulated 3 V supply. IC Role / Device Role / Timing Role: Active-low open-drain reset supervisor interfacing directly with MCU's dedicated reset pin. Use Value: Internal 5.5 kΩ pull-up enables direct connection to 3 V logic without external components, reducing BOM count and PCB area. |
| Medical Diagnostic Handheld | Smart Energy Meter |
Use Scenario: Battery-powered portable ultrasound device requiring reliable reset during cold-start from partially discharged Li-ion cell. IC Role / Device Role / Timing Role: Low-quiescent-current (10 µA) reset supervisor monitoring 3.3 V LDO output. Use Value: Ultra-low ICC extends battery life between charges while maintaining accurate 2.88 V trip point across full operating temperature range. |
Use Scenario: Reset management in DIN-rail mounted electricity meters exposed to outdoor thermal cycling. IC Role / Device Role / Timing Role: Industrial-grade reset IC asserting reset during brown-out on 3.3 V system rail. Use Value: −40°C to +105°C qualification and ±1.5% threshold accuracy ensure consistent reset behavior across seasonal extremes without recalibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage supervisor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX809TRD2T | 2.93 V reset threshold, 140 ms timeout, 3-lead SOT-23, no internal pull-up (requires external resistor). | Designed for 3.3 V systems but lacks integrated pull-up; requires additional 47 kΩ external resistor for standard CMOS interface. | Select when cost sensitivity outweighs board space constraints and external component addition is acceptable. |
| TPS3808G12DBVR | 3.08 V threshold, adjustable timeout (via capacitor), 5-lead SOT-23, push-pull output (no pull-up needed). | Higher threshold and adjustable delay suit applications needing longer reset hold; larger footprint and different output architecture. | Prefer when precise timeout tuning or push-pull drive is required, and PCB layout allows 5-pin package. |
Compared with MAX809TRD2T and TPS3808G12DBVR, ADM1816-10ART-REEL uniquely combines fixed 2.88 V threshold, integrated 5.5 kΩ pull-up, and 3-lead SOT-23 packaging - delivering lowest component count and smallest footprint for 3.3 V/3 V reset supervision.
Availability
ADM1816-10ART-REEL is available at Aetrix Electronics and suitable for industrial PLC controllers, automotive body control modules, medical handheld diagnostics, and smart energy meters requiring stable component supply with full industrial temperature support.
Supply support for ADM1816-10ART-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 ADM181x product line delivers cost-effective, space-efficient microprocessor reset circuits optimized for reliable power-on and brown-out detection in resource-constrained embedded systems.
FAQ
What is the exact reset threshold voltage of ADM1816-10ART-REEL?
The ADM1816-10ART-REEL has a nominal reset threshold of 2.88 V (typical), with a guaranteed range of 2.80 V to 2.97 V across −40°C to +105°C. This value is specified in Table 1 of the Rev. F datasheet and applies specifically to the -10 variant, enabling robust supervision of 3.3 V and 3 V power rails.
Does ADM1816-10ART-REEL require an external pull-up resistor?
No - ADM1816-10ART-REEL integrates a 5.5 kΩ (typical) internal pull-up resistor on the RST pin, as confirmed in Table 1 of the datasheet. This eliminates the need for external components when interfacing with standard CMOS reset inputs, distinguishing it from alternatives like the MAX809 series.
What is the reset timeout duration for ADM1816-10ART-REEL?
The ADM1816-10ART-REEL provides a fixed reset active time of 150 ms (typical), with a guaranteed minimum of 100 ms and maximum of 250 ms across temperature and voltage. This timing is generated internally and does not require external capacitors or resistors.
Can ADM1816-10ART-REEL monitor a 5 V supply?
No - ADM1816-10ART-REEL is configured for lower-voltage rails, with a 2.88 V threshold optimized for 3.3 V and 3 V supplies. For 5 V monitoring, Analog Devices specifies the ADM1811-10 or ADM1813-10 variants, which feature 4.35 V thresholds.
What package type is used for ADM1816-10ART-REEL?
ADM1816-10ART-REEL uses the 3-lead SOT-23 (RT-3) package, as indicated by the "ART" suffix in the part number and confirmed in the Ordering Guide (Page 9). Its dimensions are 2.90 mm × 1.30 mm × 1.02 mm, compliant with JEDEC TO-236-AB standards.
ADM1816-10ART-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:
- 2.88V
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- 100ms Minimum
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
ADM1816-10ART-REEL FAQ
1.How can I place an order for ADM1816-10ART-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM1816-10ART-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 ADM1816-10ART-REEL reliable?
The price and inventory of ADM1816-10ART-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM1816-10ART-REEL is usually 5 days.
3.What payment methods are accepted for ADM1816-10ART-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM1816-10ART-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM1816-10ART-REEL?
ADM1816-10ART-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM1816-10ART-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 ADM1816-10ART-REEL?
For technical support, including ADM1816-10ART-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM1816-10ART-REEL requirements.
6.How does Aetrix verify that ADM1816-10ART-REEL is sourced from the original manufacturer or authorized distributors?
All ADM1816-10ART-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 ADM1816-10ART-REEL meets industry standards.
7.What is the process for return or replacement of ADM1816-10ART-REEL?
All ADM1816-10ART-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADM1816-10ART-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 ADM1816-10ART-REEL part is unused and in its original packaging.
Return procedure for ADM1816-10ART-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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