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Analog Devices Inc. ADM810MAKS-REEL
- Part No.:
- ADM810MAKS-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- SC-70, SOT-323
- Datasheet:
-
ADM810MAKS-REEL.pdf
- Description:
- IC SUPERVSR PUSH/PULL 4.38V SC70
- Quantity:
- Payment:
- Shipping:
Inventory:20,000
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Product details
Overview
ADM810MAKS-REEL from Analog Devices is a microprocessor supervisory circuit with push-pull active-high RESET output, 4.38 V reset threshold, and operation down to 1.0 V VCC. It provides 240 ms (typical) power-on reset timeout, consumes 17 μA supply current, and is qualified for −40°C to +125°C industrial/automotive environments. It monitors 3.3 V or 4.0 V supply rails in embedded controllers and intelligent instruments.
For engineers reviewing the ADM810MAKS-REEL datasheet, ADM810MAKS-REEL pinout, ADM810MAKS-REEL application, or ADM810MAKS-REEL equivalent, key selection criteria include active-high push-pull output compatibility, SC70-3 package footprint, 4.38 V threshold accuracy over temperature, and brownout detection capability below 1.2 V.
Technical Context
The ADM810MAKS-REEL integrates a precision voltage comparator with built-in glitch immunity and an internal 240 ms reset timer. Its reference circuit maintains ±1.5% threshold accuracy across −40°C to +125°C, enabling reliable reset assertion during slow-ramp power-up or deep brownout conditions.
Unlike open-drain variants, the ADM810MAKS-REEL delivers a rail-to-rail push-pull RESET signal capable of sourcing 150 μA at 1.8 V < VCC < VTH(min), eliminating external pull-up components and simplifying interface to CMOS inputs requiring active-high assertion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 4.38 V (typical), ±1.5% over −40°C to +125°C - ensures accurate 3.3 V supply monitoring without false resets. |
| RESET Output Type | Active-high push-pull - drives high without external resistor; compatible with standard CMOS logic inputs. |
| Power-On Reset Timeout | 240 ms (typical), 140–460 ms over temperature - holds processor in reset until supply stabilizes. |
| Supply Current | 17 μA (typical) at VCC < 3.6 V - enables use in battery-powered and low-power portable systems. |
| VCC Operating Range | 1.0 V to 5.5 V - supports reset assertion even during severe brownout down to 1 V. |
| Output Drive Strength | Sources 150 μA at 1.8 V < VCC < VTH(min); sinks 1.2 mA at VTH(min) - sufficient for direct MCU reset pin drive. |
| Temperature Range | −40°C to +125°C - qualified for under-hood automotive and industrial control applications. |
Pinout & Package
ADM810MAKS-REEL is housed in a 3-lead SC70 (KS-3) package, measuring 2.20 mm × 1.35 mm × 0.95 mm, with gull-wing leads and JEDEC-compliant footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC | Monitored supply input - connects directly to 3.3 V or 4.0 V rail; powers internal circuitry and reference. |
| 2 | RESET | Active-high push-pull output - asserts high during reset (VCC < 4.38 V) and remains high for 240 ms after VCC exceeds threshold. |
| 3 | GND | Ground reference - must be connected to system ground plane for accurate threshold sensing and noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Glitch-immune reset comparator | Rejects transients ≤100 µs duration at 100 mV overdrive - prevents spurious resets from supply noise. |
| Low-voltage reset operation | Functional down to 1.0 V VCC - detects brownout before MCU enters undefined state. |
| Precision voltage reference | ±1.5% threshold tolerance over full temperature range - eliminates need for external trimming. |
| No external components required | Push-pull output eliminates pull-up resistor - reduces BOM count and PCB area in space-constrained designs. |
| High-temperature qualification | Specified from −40°C to +125°C - suitable for engine control units and industrial PLCs. |
Applications
| Industrial PLCs | Automotive Engine Control Units |
|---|---|
|
Use Scenario: Monitoring 3.3 V microcontroller supply in programmable logic controllers exposed to wide ambient temperature swings and EMI. IC Role / Device Role / Timing Role: Supervisory circuit asserting active-high RESET to hold ARM Cortex-M4 in known state during cold start or line sag. Use Value: 240 ms guaranteed reset pulse ensures firmware initialization completes before peripheral clocks stabilize. |
Use Scenario: Power supply supervision for engine management MCU operating near exhaust manifolds with ambient up to 125°C. IC Role / Device Role / Timing Role: Voltage monitor detecting brownout on 5 V regulated rail during cranking; triggers safe shutdown sequence. Use Value: 4.38 V threshold matches nominal 3.3 V I/O rail tolerance, preventing premature reset during transient dips. |
| Medical Diagnostic Handhelds | Smart Energy Meters |
|
Use Scenario: Ensuring deterministic boot of battery-powered ultrasound controller after Li-ion voltage recovery from deep discharge. IC Role / Device Role / Timing Role: Active-high RESET generator interfacing directly to MCU's nRST pin without level-shifting. Use Value: 17 μA quiescent current extends battery life between calibrations; SC70-3 footprint saves board space. |
Use Scenario: Supervising 3.3 V supply in DIN-rail mounted electricity meters subject to grid sags and lightning-induced surges. IC Role / Device Role / Timing Role: Brownout detector asserting reset when VCC drops below 4.38 V, triggering nonvolatile event logging before power loss. Use Value: Glitch immunity rejects 100 µs transients - avoids false resets during relay switching or surge events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADM809MAKSZ-REEL7 | Same 4.38 V threshold and SC70-3 package, but active-low push-pull RESET output. | Requires MCU with active-low reset input; incompatible with active-high-only reset pins. | Select only if target MCU accepts active-low assertion and no level translation is feasible. |
| TPS3808G33DBVR | 4.38 V threshold, SOT-23-3, 35 μA supply current, 200 ms reset timeout, active-high push-pull. | Higher quiescent current and shorter timeout; not qualified to +125°C (max +85°C). | Acceptable for commercial-grade applications where extended temperature range is not required. |
Compared with ADM809MAKSZ-REEL7, ADM810MAKS-REEL avoids external inverters for active-high interfaces; compared with TPS3808G33DBVR, it offers superior thermal robustness and lower power, critical for automotive and industrial deployments.
Availability
ADM810MAKS-REEL is available at Aetrix Electronics and suitable for industrial PLCs, automotive engine control units, medical handheld diagnostics, smart energy meters, and battery-backed instrumentation requiring stable component supply across extended temperature ranges.
Supply support for ADM810MAKS-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 ADM810MAKS-REEL belongs to the ADM803/ADM809/ADM810 family of microprocessor supervisory circuits, designed specifically for reliable power-on reset, brownout detection, and supply voltage monitoring in harsh-environment embedded systems.
FAQ
What is the reset threshold voltage of the ADM810MAKS-REEL?
The ADM810MAKS-REEL has a nominal reset threshold of 4.38 V, with guaranteed accuracy of ±1.5% over the full −40°C to +125°C operating temperature range. This value is specified in Table 3 of the datasheet and corresponds to the 'M' grade option, making it ideal for monitoring 3.3 V or 4.0 V supply rails where tight tolerance is required to avoid false resets during marginal voltage conditions.
Does the ADM810MAKS-REEL require an external pull-up resistor on the RESET pin?
No, the ADM810MAKS-REEL features a push-pull active-high RESET output and does not require an external pull-up resistor. Unlike the open-drain ADM803 series, this architecture actively drives both high and low states, simplifying design and reducing component count. The output sources 150 μA at 1.8 V < VCC < VTH(min), ensuring reliable logic-level compatibility with standard CMOS inputs.
What package type is used for the ADM810MAKS-REEL?
The ADM810MAKS-REEL is packaged in a 3-lead SC70 (JEDEC KS-3) outline, measuring 2.20 mm × 1.35 mm × 0.95 mm. This ultra-small surface-mount package is RoHS-compliant and optimized for high-density PCB layouts in space-constrained applications such as portable medical devices and smart sensors.
Can the ADM810MAKS-REEL operate during severe brownout conditions?
Yes, the ADM810MAKS-REEL remains fully functional down to VCC = 1.0 V, allowing it to assert RESET even during deep brownout events. Its internal circuitry continues to monitor the supply and maintain valid reset timing, ensuring the connected microprocessor stays held in reset until the supply recovers above the 4.38 V threshold - a critical capability for fail-safe system behavior.
How does the ADM810MAKS-REEL differ from the ADM809MAKSZ-REEL7?
The ADM810MAKS-REEL and ADM809MAKSZ-REEL7 share identical reset threshold (4.38 V), package (SC70-3), and temperature range (−40°C to +125°C), but differ in RESET polarity: ADM810MAKS-REEL provides active-high push-pull output, while ADM809MAKSZ-REEL7 provides active-low push-pull output. This makes ADM810MAKS-REEL directly compatible with MCUs requiring active-high reset assertion without additional logic inversion.
ADM810MAKS-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Bulk
- Product Status:
- Active
- 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:
- SC-70-3
ADM810MAKS-REEL FAQ
1.How can I place an order for ADM810MAKS-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM810MAKS-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 ADM810MAKS-REEL reliable?
The price and inventory of ADM810MAKS-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM810MAKS-REEL is usually 5 days.
3.What payment methods are accepted for ADM810MAKS-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM810MAKS-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM810MAKS-REEL?
ADM810MAKS-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM810MAKS-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 ADM810MAKS-REEL?
For technical support, including ADM810MAKS-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM810MAKS-REEL requirements.
6.How does Aetrix verify that ADM810MAKS-REEL is sourced from the original manufacturer or authorized distributors?
All ADM810MAKS-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 ADM810MAKS-REEL meets industry standards.
7.What is the process for return or replacement of ADM810MAKS-REEL?
All ADM810MAKS-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADM810MAKS-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 ADM810MAKS-REEL part is unused and in its original packaging.
Return procedure for ADM810MAKS-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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