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Analog Devices Inc. ADM810RAKSZ-REEL7
- Part No.:
- ADM810RAKSZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- SC-70, SOT-323
- Datasheet:
-
ADM810RAKSZ-REEL7.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SC70-3
- Quantity:
- Payment:
- Shipping:
Inventory:1,308
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Product details
Overview
ADM810RAKSZ-REEL7 from Analog Devices is a microprocessor supervisory circuit with push-pull active-high RESET output, 2.63 V reset threshold, −40°C to +125°C operating temperature range, 17 μA supply current, and SC70-3 package. It monitors VCC in embedded microcontroller systems and asserts reset during power-up, brownout, or power-down until stable conditions are reached.
For engineers reviewing the ADM810RAKSZ-REEL7 datasheet, ADM810RAKSZ-REEL7 pinout, ADM810RAKSZ-REEL7 application, or ADM810RAKSZ-REEL7 equivalent, key selection criteria include reset polarity (active-high), threshold accuracy (±2.7% over temperature), minimum VCC operation down to 1.0 V, 240 ms typical reset timeout, and compatibility with low-voltage 2.5 V/3.3 V supply rails.
Technical Context
The ADM810RAKSZ-REEL7 integrates a precision voltage comparator with built-in glitch immunity and an internal 240 ms reset timer. Its reference circuit maintains stability across −40°C to +125°C, enabling reliable reset assertion even during fast transients on VCC.
It features a push-pull output stage capable of sourcing 150 μA at 1.8 V < VCC < VTH(min), with RESET HIGH voltage ≥0.8×VCC and RESET LOW voltage ≤0.4 V at VTH(min) with 3.2 mA sink current - ensuring robust interfacing with CMOS inputs without external pull-ups.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.63 V (nominal at 25°C); ±2.7% tolerance over −40°C to +125°C - ensures accurate detection of 2.5 V rail undervoltage |
| Supply Current | 17 μA (typical at VCC < 3.6 V, −40°C to +85°C) - enables use in battery-powered and ultra-low-power systems |
| Reset Timeout | 240 ms (typical power-up delay) - holds microprocessor in reset long enough for clock and supply stabilization |
| VCC Operating Range | 1.0 V to 5.5 V - supports operation down to near-zero VCC for brownout detection before full power collapse |
| Output Type | Push-pull active-high RESET - eliminates need for external pull-up resistor and simplifies interface to CMOS logic |
| Temperature Range | −40°C to +125°C - qualified for automotive under-hood, industrial control, and harsh-environment applications |
| Package | 3-lead SC70 (KS-3) - 2.0 mm × 2.1 mm footprint, compatible with high-density PCB layouts and automated assembly |
Pinout & Package
ADM810RAKSZ-REEL7 is housed in a 3-lead SC70 (KS-3) package with 0.65 mm lead pitch, 0.10 mm max coplanarity, and JEDEC-compliant outline per Figure 15.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC | Monitored supply input; device operates from this rail and asserts reset when voltage falls below 2.63 V |
| 2 | RESET | Active-high push-pull output; drives high during normal operation and low during reset condition for 240 ms after VCC rise |
| 3 | GND | Ground reference for internal comparator and output driver; must be connected to system ground plane |
Key Features
| Feature | Design Value |
|---|---|
| Precision reset threshold | 2.63 V with ±2.7% variation over −40°C to +125°C - eliminates need for external trimming in 2.5 V system monitoring |
| Ultra-low quiescent current | 17 μA typical - extends battery life in portable instrumentation and remote sensors |
| Brownout detection capability | Operates down to VCC = 1.0 V - guarantees reset assertion even during deep supply sag before complete failure |
| Glitch-immune comparator | Immune to transients ≤100 μs at 100 mV overdrive - prevents false resets from switching noise or ESD events |
| Push-pull active-high output | No external pull-up required - reduces BOM count and improves noise margin vs. open-drain alternatives |
Applications
| Industrial PLC Controller | Automotive Body Control Module |
|---|---|
|
Use Scenario: Monitors 2.5 V microcontroller supply in programmable logic controller operating in factory environments with wide ambient temperature swings. IC Role / Device Role / Timing Role: Supervisory circuit providing power-on reset and brownout protection; asserts active-high RESET for 240 ms after VCC exceeds 2.63 V. Use Value: Ensures deterministic MCU startup and prevents erratic behavior during line fluctuations or thermal cycling between −40°C and +85°C. |
Use Scenario: Embedded in body control unit powering door lock, window lift, and lighting subsystems supplied from regulated 2.5 V rail. IC Role / Device Role / Timing Role: Voltage monitor with extended temperature qualification (−40°C to +125°C) and 1.0 V VCC operation for fail-safe reset during cold cranking. Use Value: Guarantees MCU reset integrity during battery voltage dip to 6 V (resulting in 2.5 V rail sag), preventing latch-up or undefined state. |
| Medical Patient Monitor | Smart Energy Meter |
|
Use Scenario: Secures boot sequence of ARM Cortex-M based patient monitor with dual 2.5 V/3.3 V supplies and stringent IEC 60601 reliability requirements. IC Role / Device Role / Timing Role: Active-high reset generator with 240 ms timeout and 2.63 V threshold - matches 2.5 V LDO tolerance and avoids race conditions with clock initialization. Use Value: Meets Class II medical device reset timing compliance while consuming only 17 μA - critical for battery backup runtime. |
Use Scenario: Used in DIN-rail mounted electricity meter with isolated 2.5 V digital supply derived from mains via flyback converter. IC Role / Device Role / Timing Role: Brownout detector asserting RESET when 2.5 V rail drops below 2.63 V due to transformer saturation or load surge. Use Value: Prevents EEPROM corruption and firmware crash during grid instability by holding MCU in reset until supply recovers fully. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX809RTRG+T | 2.63 V threshold, SOT-23-3, 1.2 μA max quiescent current, but only −40°C to +85°C rating | Limited to commercial/industrial ambient; unsuitable for under-hood or extended-temperature industrial use | Select when lowest power is critical and temperature range is constrained to ≤85°C ambient. |
| TPS3808G12DBVR | 1.2 V threshold (not 2.63 V); adjustable via external resistor; 1.8 μA typical IQ; −40°C to +125°C | Requires external components to achieve 2.63 V trip point; adds design complexity and board area | Choose only if programmability and ultra-low IQ outweigh fixed-threshold simplicity and proven reliability. |
Compared with MAX809RTRG+T and TPS3808G12DBVR, the ADM810RAKSZ-REEL7 delivers exact 2.63 V threshold performance across full −40°C to +125°C range with zero external components and industry-proven robustness in safety-critical reset paths.
Availability
ADM810RAKSZ-REEL7 is available at Aetrix Electronics and suitable for industrial PLC controllers, automotive body control modules, medical patient monitors, and smart energy meters requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for ADM810RAKSZ-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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The ADM810RAKSZ-REEL7 belongs to the ADM803/ADM809/ADM810 family of microprocessor supervisory circuits designed specifically for reliable power-monitoring and reset generation in space-constrained, thermally demanding embedded systems.
FAQ
What is the reset polarity and output structure of the ADM810RAKSZ-REEL7?
The ADM810RAKSZ-REEL7 features an active-high push-pull RESET output. Unlike open-drain variants (e.g., ADM803), it does not require an external pull-up resistor. When VCC is below 2.63 V, RESET is driven low; once VCC rises above threshold, RESET remains low for 240 ms (typical) then transitions high and stays high during normal operation. This behavior is confirmed in the Functional Block Diagram and Pin Descriptions of the ADM803/ADM809/ADM810 datasheet Rev. I.
Does the ADM810RAKSZ-REEL7 support operation down to 1.0 V VCC?
Yes, the ADM810RAKSZ-REEL7 is specified to operate with VCC as low as 1.0 V, maintaining functional reset assertion capability. This allows it to detect brownout conditions well before complete supply collapse - critical for preserving data integrity in microcontrollers and nonvolatile memory. The datasheet specifies "VCC OPERATING VOLTAGE RANGE: 1.0 V to 5.5 V" across −40°C to +125°C, and confirms RESET remains active down to 1.0 V in both General Description and Absolute Maximum Ratings sections.
What is the temperature coefficient of the reset threshold for ADM810RAKSZ-REEL7?
The ADM810RAKSZ-REEL7 has a reset threshold temperature coefficient of 30 ppm/°C, as stated in the Specifications table (Rev. I, Page 3). This low drift ensures stable trip-point performance across its full −40°C to +125°C operating range - for example, the 2.63 V nominal threshold varies by only ±0.07 V over the entire temperature span, supporting precise 2.5 V rail monitoring in automotive and industrial applications.
Is the ADM810RAKSZ-REEL7 RoHS compliant and what package does it use?
Yes, the "Z" suffix in ADM810RAKSZ-REEL7 indicates RoHS compliance per the Ordering Guide (Page 10). It is packaged in a 3-lead SC70 (KS-3) outline, measuring 2.0 mm × 2.1 mm with 0.65 mm lead pitch, and is JEDEC-compliant per Figure 15. The SC70 package offers superior thermal performance (θJA = 146°C/W) versus SOT-23 and supports high-density PCB layouts.
How does the ADM810RAKSZ-REEL7 differ from the ADM809RAKSZ-REEL7?
The ADM810RAKSZ-REEL7 and ADM809RAKSZ-REEL7 share identical reset threshold (2.63 V), temperature range (−40°C to +125°C), and SC70 package, but differ in reset polarity and output structure: ADM810 provides active-high push-pull RESET, while ADM809 provides active-low push-pull RESET. This distinction is explicitly defined in the General Description ("ADM809 and ADM810 have push-pull outputs… ADM810 provides an active high signal") and Pin Function Descriptions (Figure 4).
ADM810RAKSZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Simple Reset/Power-On Reset
- Number of Voltages Monitored:
- 1
- Voltage - Threshold:
- 2.63V
- 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
ADM810RAKSZ-REEL7 FAQ
1.How can I place an order for ADM810RAKSZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM810RAKSZ-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 ADM810RAKSZ-REEL7 reliable?
The price and inventory of ADM810RAKSZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM810RAKSZ-REEL7 is usually 5 days.
3.What payment methods are accepted for ADM810RAKSZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM810RAKSZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM810RAKSZ-REEL7?
ADM810RAKSZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM810RAKSZ-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 ADM810RAKSZ-REEL7?
For technical support, including ADM810RAKSZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM810RAKSZ-REEL7 requirements.
6.How does Aetrix verify that ADM810RAKSZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All ADM810RAKSZ-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 ADM810RAKSZ-REEL7 meets industry standards.
7.What is the process for return or replacement of ADM810RAKSZ-REEL7?
All ADM810RAKSZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADM810RAKSZ-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 ADM810RAKSZ-REEL7 part is unused and in its original packaging.
Return procedure for ADM810RAKSZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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