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Analog Devices Inc. ADM810SAKSZ-REEL
- Part No.:
- ADM810SAKSZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- SC-70, SOT-323
- Datasheet:
-
ADM810SAKSZ-REEL.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SC70-3
- Quantity:
- Payment:
- Shipping:
Inventory:4,768
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Product details
Overview
ADM810SAKSZ-REEL from Analog Devices is a microprocessor supervisory circuit with push-pull active-high RESET output, 2.93 V reset threshold, −40°C to +125°C operating temperature range, 17 μA supply current, and SC70-3 package. It monitors VCC in embedded controllers and ensures reliable power-on reset assertion for 240 ms (typical) during system startup.
For engineers reviewing the ADM810SAKSZ-REEL datasheet, ADM810SAKSZ-REEL pinout, ADM810SAKSZ-REEL application, or ADM810SAKSZ-REEL equivalent, key selection criteria include reset polarity (active-high), low-power operation, wide temperature support, and compatibility with 3 V microcontroller supply rails requiring precise brownout detection.
Technical Context
The ADM810SAKSZ-REEL integrates a precision voltage comparator with built-in glitch immunity and an internal 240 ms reset timeout timer. Its reset threshold is trimmed to 2.93 V at 25°C with ±30 ppm/°C temperature coefficient, enabling stable operation across industrial and automotive temperature ranges.
It features a push-pull RESET output capable of sourcing 150 μA at 1.8 V < VCC < VTH(min), with logic high level ≥0.8×VCC and low level ≤0.4 V under 3.2 mA sink load. The device remains functional down to VCC = 1.0 V, supporting robust brownout detection in low-voltage systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.93 V (typical at 25°C); monitors 3.0 V nominal supplies with ±0.15 V tolerance over −40°C to +125°C |
| Reset Polarity | Active-high push-pull output; eliminates need for external pull-up resistor in most MCU interfaces |
| Reset Timeout | 240 ms (typical); holds processor in reset until supply stabilizes after power-up or brownout recovery |
| Supply Current | 17 μA (typical at VCC < 3.6 V); enables use in battery-powered and energy-sensitive applications |
| Operating Voltage Range | 1.0 V to 5.5 V; supports valid reset assertion even during deep brownout conditions |
| Temperature Range | −40°C to +125°C; qualified for under-hood automotive and industrial control environments |
| Package | 3-lead SC70 (KS-3); 2.0 mm × 1.25 mm footprint, compatible with high-density PCB layouts |
Pinout & Package
ADM810SAKSZ-REEL uses a 3-lead SC70 (KS-3) package with 0.65 mm lead pitch and coplanarity ≤0.10 mm. Pin 1 is VCC, Pin 2 is RESET (active-high push-pull), and Pin 3 is GND - confirmed per Figure 4 and Table 4 of Rev. I datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC (Pin 1) | Supply Input | Monitored voltage rail; powers internal circuitry and defines reset threshold reference point |
| RESET (Pin 2) | Active-High Push-Pull Output | Drives high during normal operation; asserts low only during power-up/brownout; no external pull-up required |
| GND (Pin 3) | Ground Reference | Common return path for all internal functions and output stage; must be connected to system ground plane |
Key Features
| Feature | Design Value |
|---|---|
| Precision reset threshold | 2.93 V ±0.15 V over full temperature range; ensures deterministic reset timing for 3.0 V microcontrollers |
| Glitch-immune comparator | Rejects transients up to 100 mV overdrive for ≤400 µs (per Figure 11); prevents false resets from supply noise |
| Low-voltage operation | Valid RESET assertion down to VCC = 1.0 V; maintains system reliability during severe brownout events |
| Ultra-low quiescent current | 17 μA typical; reduces standby power in always-on monitoring circuits without compromising response time |
| Industrial temperature grade | −40°C to +125°C operation; meets AEC-Q100 stress requirements for automotive body electronics |
Applications
| Industrial PLC Controller | Automotive Body Control Module |
|---|---|
Use Scenario: Monitors 3.3 V supply rail powering ARM Cortex-M4-based controller in programmable logic controller cabinet exposed to ambient temperatures up to 85°C. IC Role / Device Role / Timing Role: Supervisory circuit providing active-high reset signal to hold MCU in known state during cold start and line dips. Use Value: 240 ms guaranteed reset pulse ensures firmware initialization completes before peripheral drivers activate, preventing bus contention. |
Use Scenario: Embedded in door module ECU monitoring 3.0 V domain supplying LIN transceiver and window motor driver ICs. IC Role / Device Role / Timing Role: Reset generator asserting active-high signal to MCU upon battery voltage sag below 2.93 V during cranking. Use Value: Operation down to 1.0 V VCC allows clean reset assertion even during deep 12 V battery dip to 6 V, avoiding undefined MCU behavior. |
| Medical Infusion Pump | Smart Energy Meter |
Use Scenario: Secures safety-critical ARM-based pump controller powered by isolated 3.3 V DC/DC converter in Class II medical enclosure. IC Role / Device Role / Timing Role: Precision voltage monitor triggering active-high reset when input rail drops due to transformer saturation or capacitor aging. Use Value: ±30 ppm/°C tempco ensures reset threshold drift stays within ±12 mV over 0–50°C operating range, meeting IEC 60601-1 stability requirements. |
Use Scenario: Integrated into revenue-grade meter monitoring 3.0 V RTC and metrology ASIC supply in outdoor-mounted unit with −25°C to +70°C ambient. IC Role / Device Role / Timing Role: Brownout detector asserting active-high reset to halt计量 processing during AC line interruption. Use Value: SC70-3 package enables placement near power entry point with minimal trace inductance, improving noise immunity on VCC node. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADM809SAKSZ-REEL7 | Same 2.93 V threshold and SC70-3 package, but active-low push-pull RESET output | Requires MCU reset pin configured for active-low assertion; incompatible with active-high-only reset inputs | Select when interfacing with legacy microcontrollers requiring active-low reset signaling |
| TPS3808G18DBVR | 2.93 V threshold, SOT-23-6 package, 1.5 μA quiescent current, adjustable delay option | Larger footprint and different pinout; requires external capacitor for delay tuning if non-default timeout needed | Prefer for ultra-low-power designs where 17 μA is marginal, accepting layout trade-off for 1.5 μA consumption |
Compared with ADM810SAKSZ-REEL, ADM809SAKSZ-REEL7 offers identical monitoring accuracy but inverted reset polarity, while TPS3808G18DBVR delivers significantly lower supply current at the cost of increased board area and design complexity for delay configuration.
Availability
ADM810SAKSZ-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 ADM810SAKSZ-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 semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision measurement and control systems.
The ADM810SAKSZ-REEL belongs to the ADM803/ADM809/ADM810 family of microprocessor supervisory circuits, designed specifically for reliable power-on reset generation and brownout protection in resource-constrained embedded systems.
FAQ
What is the reset threshold voltage of the ADM810SAKSZ-REEL?
The ADM810SAKSZ-REEL has a nominal reset threshold voltage of 2.93 V at 25°C, with guaranteed tolerance 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 value is factory-trimmed and specified in Table 3 and Table 1 of the Rev. I datasheet.
Does the ADM810SAKSZ-REEL require an external pull-up resistor on the RESET pin?
No, the ADM810SAKSZ-REEL features a push-pull RESET output and does not require an external pull-up resistor. Its active-high output drives high during normal operation and low during reset assertion, eliminating reliance on external components for logic-level translation or current sourcing.
What is the minimum supply voltage at which the ADM810SAKSZ-REEL guarantees RESET functionality?
The ADM810SAKSZ-REEL guarantees valid RESET output operation down to VCC = 1.0 V, as stated in the "VCC OPERATING VOLTAGE RANGE" specification (Table 1). Below this voltage, the internal circuitry may not sustain defined logic states on the RESET pin.
How long is the reset timeout period for the ADM810SAKSZ-REEL?
The ADM810SAKSZ-REEL provides a typical reset timeout period of 240 ms after VCC rises above the threshold, with a guaranteed minimum of 140 ms and maximum of 460 ms over −40°C to +85°C (Table 1). This ensures sufficient time for microprocessor core and peripherals to stabilize.
Is the ADM810SAKSZ-REEL RoHS compliant?
Yes, the ADM810SAKSZ-REEL is RoHS compliant, as indicated by the "Z" suffix in the part number per the Ordering Guide footnote 1. It meets EU Directive 2011/65/EU requirements and carries appropriate marking per Analog Devices' compliance documentation.
ADM810SAKSZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 2.93V
- 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:
- SC-70-3
ADM810SAKSZ-REEL FAQ
1.How can I place an order for ADM810SAKSZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM810SAKSZ-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 ADM810SAKSZ-REEL reliable?
The price and inventory of ADM810SAKSZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM810SAKSZ-REEL is usually 5 days.
3.What payment methods are accepted for ADM810SAKSZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM810SAKSZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM810SAKSZ-REEL?
ADM810SAKSZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM810SAKSZ-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 ADM810SAKSZ-REEL?
For technical support, including ADM810SAKSZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM810SAKSZ-REEL requirements.
6.How does Aetrix verify that ADM810SAKSZ-REEL is sourced from the original manufacturer or authorized distributors?
All ADM810SAKSZ-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 ADM810SAKSZ-REEL meets industry standards.
7.What is the process for return or replacement of ADM810SAKSZ-REEL?
All ADM810SAKSZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADM810SAKSZ-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 ADM810SAKSZ-REEL part is unused and in its original packaging.
Return procedure for ADM810SAKSZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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