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Analog Devices Inc. ADM810MART-REEL7
- Part No.:
- ADM810MART-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
ADM810MART-REEL7.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:3,219
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Product details
Overview
ADM810MARTZ-REEL7 from Analog Devices is a microprocessor supervisory circuit with push-pull active-high RESET output, 4.38 V reset threshold, and guaranteed operation down to 1.0 V VCC. It provides 240 ms (typical) power-on reset timeout and consumes only 17 μA at 3.6 V, targeting low-power embedded systems requiring reliable brownout detection.
For engineers reviewing the ADM810MARTZ-REEL7 datasheet, ADM810MARTZ-REEL7 pinout, ADM810MARTZ-REEL7 application, or ADM810MARTZ-REEL7 equivalent, key selection criteria include reset polarity (active-high), SOT-23-3 package compatibility, −40°C to +125°C operating range, and precise 4.38 V threshold tolerance over temperature.
Technical Context
The ADM810MARTZ-REEL7 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 −40°C to +125°C, enabling stable reset assertion during fast transients and brownout conditions.
It features a push-pull RESET output capable of sourcing 150 μA at 1.8 V < VCC < VTH(min), with logic-high voltage defined as 0.8 × VCC and logic-low voltage ≤0.4 V at ISINK = 3.2 mA - ensuring direct interfacing with standard CMOS inputs without external pull-ups.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 4.38 V (typical), ±0.07 V over −40°C to +85°C - ensures reliable detection of 4.5 V nominal supply droop before system instability. |
| Reset Timeout | 240 ms (typical) power-up delay - holds microprocessor in reset until power rail stabilizes after cold start. |
| Supply Current | 17 μA (typical) at VCC < 3.6 V - enables integration into battery-powered or energy-constrained designs. |
| VCC Operating Range | 1.0 V to 5.5 V - supports reset assertion even during deep brownout, down to near-zero supply collapse. |
| Output Type | Push-pull active-high RESET - eliminates need for external pull-up resistor and guarantees defined logic levels. |
| Temperature Range | −40°C to +125°C - qualified for automotive under-hood, industrial control, and harsh-environment applications. |
| Reset Output Low Voltage | ≤0.4 V at ISINK = 3.2 mA - ensures solid logic-low margin for 3.3 V and 5 V CMOS interfaces. |
| Reset Output High Voltage | ≥0.8 × VCC at ISOURCE = 150 μA - maintains noise-immune high-state drive across full supply range. |
Pinout & Package
ADM810MARTZ-REEL7 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 0.95 mm height - compatible with standard pick-and-place and reflow processes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (GND) | Ground Reference | 0 V return path for internal comparator and output driver; must be connected to system ground plane for accurate threshold sensing. |
| 2 (VCC) | Supply Input | Monitored voltage rail input; powers internal circuitry and defines reset threshold reference point. |
| 3 (RESET) | Active-High Push-Pull Output | Drives high when VCC ≥ 4.38 V and remains high for 240 ms after threshold crossing; sinks current when low. |
Key Features
| Feature | Design Value |
|---|---|
| Glitch-immune comparator | Rejects transients ≤100 μs duration at 100 mV overdrive - prevents false resets from switching noise or ESD coupling. |
| Precision threshold stability | 30 ppm/°C temperature coefficient - limits drift to ±12 mV over −40°C to +125°C, critical for tight-margin supplies. |
| Low-voltage reset assertion | Operates down to 1.0 V VCC - guarantees reset activation even during catastrophic supply collapse. |
| Push-pull output architecture | No external pull-up required - reduces BOM count and PCB area while improving rise/fall time consistency. |
| Wide temperature qualification | Specified across −40°C to +125°C - eliminates derating concerns in automotive engine control or industrial motor drives. |
Applications
| Industrial PLC Controller | Automotive Body Control Module |
|---|---|
|
Use Scenario: Monitors 5 V system rail in programmable logic controller during factory automation cycles with frequent power cycling and ambient temperature swings up to 85°C. IC Role / Device Role / Timing Role: Supervisory circuit asserting active-high RESET to ARM Cortex-M7 MCU during power-up and brownout events. Use Value: 240 ms fixed timeout ensures deterministic boot sequence; 4.38 V threshold aligns with 5 V ±5% supply spec, preventing premature release. |
Use Scenario: Embedded in door module ECU exposed to under-dash temperatures ranging from −40°C to +105°C, monitoring 3.3 V microcontroller supply. IC Role / Device Role / Timing Role: Active-high reset generator interfacing directly with Infineon AURIX TC3xx reset pin without level-shifting. Use Value: Push-pull output eliminates pull-up resistor, reducing component count; 17 μA quiescent current extends battery standby life. |
| Medical Infusion Pump | Smart Energy Meter |
|
Use Scenario: Ensures safe restart of safety-critical ARM-based pump controller after AC line interruption or battery swap in hospital environments. IC Role / Device Role / Timing Role: Brownout detector holding MCU in reset until 4.38 V rail recovers and stabilizes for >240 ms. Use Value: 1.0 V minimum VCC operation guarantees reset assertion even during rapid supply decay, meeting IEC 62304 Class C requirements. |
Use Scenario: Supervises 3.3 V isolated power rail in DIN-rail mounted meter subjected to wide seasonal ambient variations and conducted EMI. IC Role / Device Role / Timing Role: Glitch-immune voltage monitor triggering reset on sustained undervoltage, not transient spikes. Use Value: 30 ppm/°C tempco and 140–460 ms timeout range ensure consistent behavior across −25°C to +70°C field deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX809TRD2T-T | 4.38 V threshold, SOT-23-3, active-low push-pull output, 1.2 μA higher quiescent current (18.2 μA) | Requires inverted logic handling at MCU reset pin; identical timing and thermal specs | Select when legacy design uses active-low reset or existing layout accommodates polarity inversion. |
| TPS3808G33DBVR | 3.3 V threshold (not 4.38 V), adjustable timeout via capacitor, 2.5 μA typical supply current | Not a direct voltage-match replacement; requires redesign of threshold network and timing circuit | Choose only if system supply is 3.3 V and programmable delay is needed; not suitable for 4.5 V rail monitoring. |
Compared with MAX809TRD2T-T, ADM810MARTZ-REEL7 avoids logic inversion overhead; compared with TPS3808G33DBVR, it delivers exact 4.38 V threshold without external components - simplifying validation and reducing BOM risk in 5 V system designs.
Availability
ADM810MARTZ-REEL7 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 ADM810MARTZ-REEL7 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 ADM810MARTZ-REEL7 belongs to the ADM803/ADM809/ADM810 family of precision supervisory circuits, engineered specifically for robust reset generation in microprocessor systems where supply integrity and timing predictability are mission-critical.
FAQ
What is the reset polarity and output structure of the ADM810MARTZ-REEL7?
The ADM810MARTZ-REEL7 features an active-high push-pull RESET output. Unlike open-drain variants, it actively drives both logic high and logic low states without requiring an external pull-up resistor. This design ensures fast, deterministic transitions and simplifies interface with modern microcontrollers that accept active-high reset signals - a key characteristic of the ADM810MARTZ-REEL7.
Does the ADM810MARTZ-REEL7 support operation at VCC below 2.0 V?
Yes, the ADM810MARTZ-REEL7 is fully specified to operate down to 1.0 V VCC. Its internal circuitry remains functional and asserts RESET correctly even as the supply collapses, making it suitable for detecting deep brownout conditions where other supervisors may fail. This capability is explicitly confirmed in the Absolute Maximum Ratings and General Description sections of the ADM810MARTZ-REEL7 datasheet.
What is the guaranteed reset timeout duration for ADM810MARTZ-REEL7 across temperature?
The ADM810MARTZ-REEL7 guarantees a reset timeout between 140 ms and 460 ms over −40°C to +85°C, with 240 ms being the typical value at 25°C. At elevated temperatures (85°C to 125°C), the range widens to 100 ms to 840 ms. These values are measured from the moment VCC rises above the 4.38 V threshold and are integral to the ADM810MARTZ-REEL7's role in ensuring stable processor initialization.
Can ADM810MARTZ-REEL7 replace ADM809MARTZ-REEL7 in an existing design?
No - ADM810MARTZ-REEL7 and ADM809MARTZ-REEL7 differ in reset polarity: ADM810MARTZ-REEL7 outputs active-high RESET, while ADM809MARTZ-REEL7 outputs active-low. Swapping them without modifying the MCU's reset input logic configuration will cause functional failure. The ADM810MARTZ-REEL7 is not a drop-in replacement for ADM809MARTZ-REEL7 due to this fundamental behavioral difference.
What package and marking does ADM810MARTZ-REEL7 use?
The ADM810MARTZ-REEL7 is supplied in a 3-lead SOT-23 (RT-3) package per JEDEC TO-236-AB, with bottom-side marking "M6S" and RoHS-compliant "Z" suffix. The "ARTZ" in the part number denotes SOT-23 packaging, −40°C to +125°C temperature grade, and lead-free finish - all verified in Analog Devices' official Ordering Guide for the ADM810MARTZ-REEL7.
ADM810MART-REEL7 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:
- 4.38V
- 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
ADM810MART-REEL7 FAQ
1.How can I place an order for ADM810MART-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM810MART-REEL7 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 ADM810MART-REEL7 reliable?
The price and inventory of ADM810MART-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM810MART-REEL7 is usually 5 days.
3.What payment methods are accepted for ADM810MART-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM810MART-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM810MART-REEL7?
ADM810MART-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM810MART-REEL7 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 ADM810MART-REEL7?
For technical support, including ADM810MART-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM810MART-REEL7 requirements.
6.How does Aetrix verify that ADM810MART-REEL7 is sourced from the original manufacturer or authorized distributors?
All ADM810MART-REEL7 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 ADM810MART-REEL7 meets industry standards.
7.What is the process for return or replacement of ADM810MART-REEL7?
All ADM810MART-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADM810MART-REEL7, 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 ADM810MART-REEL7 part is unused and in its original packaging.
Return procedure for ADM810MART-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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