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Analog Devices Inc. ADM6711MAKSZ-REEL7
- Part No.:
- ADM6711MAKSZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- SC-82A, SOT-343
- Datasheet:
-
ADM6711MAKSZ-REEL7.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SC70-4
- Quantity:
- Payment:
- Shipping:
Inventory:3,816
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Product details
Overview
ADM6711MAKSZ-REEL7 from Analog Devices is a precision microprocessor supervisory circuit in 4-lead SC70 package, featuring a 4.38 V reset threshold, push-pull active-low RESET output, 140 ms minimum reset timeout, 12 μA supply current at 3.6 V, and operation down to 1.0 V VCC. It monitors 3 V supply rails in embedded controllers and portable instrumentation.
For engineers reviewing the ADM6711MAKSZ-REEL7 datasheet, ADM6711MAKSZ-REEL7 pinout, ADM6711MAKSZ-REEL7 application, or ADM6711MAKSZ-REEL7 equivalent, key selection criteria include reset threshold accuracy over −40°C to +125°C, manual reset debounce timing, power supply glitch immunity up to 100 ns, and compatibility with low-voltage microcontroller reset inputs requiring push-pull drive without external pull-up.
Technical Context
The ADM6711MAKSZ-REEL7 integrates a precision voltage reference, comparator with 30 ppm/°C temperature coefficient, and a 240 ms typical internal timer for reset assertion after VCC rise or MR deassertion. Its push-pull output drives CMOS/TTL logic directly with 0.3 V low-level voltage at 1.2 mA sink current.
It features a debounced manual reset input (MR) with guaranteed 1 μs minimum pulse acceptance and 100 ns glitch rejection, and operates across full industrial temperature range (−40°C to +125°C) with VCC supply range of 1.2 V to 5.5 V at high temperature and 1.0 V to 5.5 V at 0°C to 70°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 4.38 V (typical at 25°C), ±0.07 V tolerance over −40°C to +85°C - ensures reliable 3 V system monitoring with margin against brownout. |
| Supply Current | 12 μA (typical at VCC < 3.6 V, −40°C to +85°C) - enables battery-powered operation for >10-year shelf life in low-power IoT nodes. |
| Reset Timeout | 140–460 ms (min–max over −40°C to +85°C) - provides sufficient stabilization time for 3 V LDOs and microcontroller power sequencing. |
| Output Type | Push-pull active-low RESET - eliminates need for external pull-up resistor and supports direct interface to ARM Cortex-M, PIC, and MSP430 reset pins. |
| VCC Operating Range | 1.2 V to 5.5 V (−40°C to +125°C) - supports wide-input voltage systems including single-cell Li-ion (2.7–4.2 V) and regulated 3.3 V rails. |
| MR Input Logic | Active-low with 0.3×VCC VIL and 0.7×VCC VIH - compatible with 3.3 V GPIOs and tolerant of noisy switch interfaces. |
| Glitch Immunity | 100 ns minimum pulse rejection on VCC - prevents spurious resets during ESD transients or switching regulator noise. |
Pinout & Package
ADM6711MAKSZ-REEL7 is housed in a 4-lead SC70 (KS-4) package measuring 2.20 mm × 1.35 mm × 0.9 mm, with 0.65 mm lead pitch and coplanarity ≤ 0.10 mm - optimized for space-constrained PCB layouts in handheld and automotive control modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 GND | Ground reference | 0 V return path for all internal circuits; must be connected to system ground plane with low-inductance trace. |
| 2 RESET | Active-low push-pull output | Drives low (≤0.3 V @ 1.2 mA) during reset; high (≥0.8×VCC) otherwise - directly interfaces to µP reset pin without pull-up. |
| 3 MR | Debounced manual reset input | Accepts ≥1 μs negative pulses; ignores <100 ns glitches - enables robust front-panel reset button or watchdog-triggered reset. |
| 4 VCC | Monitored supply input | Input voltage source being supervised; powers internal circuitry and defines logic thresholds - requires local 0.1 μF decoupling. |
Key Features
| Feature | Design Value |
|---|---|
| Precision reset threshold | 4.38 V ±0.13 V over −40°C to +85°C - matches 3 V rail tolerance requirements per JEDEC JESD8-12A. |
| Ultra-low quiescent current | 12 μA typical at 3.3 V and −40°C to +85°C - extends battery life in always-on sensor nodes and wearables. |
| Guaranteed reset assertion at low VCC | Operates and asserts RESET down to 1.0 V VCC - ensures fail-safe reset even during deep brownout conditions. |
| Integrated MR debounce | Hardware-based 100 ns glitch filter and 1 μs minimum pulse detection - removes need for external RC filtering or firmware debouncing. |
| High-temperature operation | Rated for −40°C to +125°C ambient - qualified for under-hood automotive, industrial PLC, and motor control applications. |
Applications
| Industrial PLC Controllers | Automotive Body Control Modules |
|---|---|
|
Use Scenario: Power-up sequencing and brownout recovery in programmable logic controllers with dual 3.3 V/5 V rails. IC Role / Device Role / Timing Role: Supervisory circuit asserting RESET until 3.3 V supply stabilizes above 4.38 V for ≥140 ms. Use Value: Prevents CPU lockup during cold cranking or alternator ripple by maintaining reset until VCC exceeds threshold with full timeout. |
Use Scenario: Reset management for microcontrollers in door module ECUs exposed to load dump and battery drop events. IC Role / Device Role / Timing Role: Monitors 3.3 V domain derived from vehicle battery; asserts RESET during 12 V dips below 9 V. Use Value: Ensures deterministic restart after ISO 7637-2 Pulse 4 (load dump) by sustaining reset for 240 ms typical after VCC recovery. |
| Portable Medical Instruments | Smart Energy Meters |
|
Use Scenario: Battery-backed data loggers requiring reliable startup after coin-cell replacement or low-battery shutdown. IC Role / Device Role / Timing Role: Push-pull RESET output directly drives MSP430FR59xx reset pin; MR enables user-initiated calibration reset. Use Value: Eliminates external pull-up resistor, reducing BOM count and PCB area in Class II medical devices with strict size constraints. |
Use Scenario: Firmware integrity protection in ANSI C12.22-compliant meters operating from 3.3 V LDO fed by AC/DC or supercapacitor backup. IC Role / Device Role / Timing Role: Provides 140 ms minimum reset hold time to allow flash memory initialization before main processor boot. Use Value: Guarantees EEPROM write completion and register initialization before application code execution begins. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6326UR31-T | 3.08 V fixed threshold, SOT-23-3 package, open-drain output requiring pull-up. | Lacks manual reset input and operates only to +85°C - unsuitable for automotive or industrial temperature range. | Select when 3.08 V threshold suffices and board space allows SOT-23-3; verify pull-up voltage compatibility with host logic. |
| TPS3808G33DBVR | 3.3 V threshold, 350 ms default timeout, 2.5 μA quiescent current, but no MR input. | Higher accuracy (0.5% threshold) and lower current, yet lacks hardware manual reset - requires GPIO-driven reset in firmware. | Prefer for ultra-low-power battery applications where MR is unnecessary and tighter threshold tolerance is critical. |
Compared with MAX6326UR31-T and TPS3808G33DBVR, ADM6711MAKSZ-REEL7 uniquely combines 4.38 V precision threshold, −40°C to +125°C rating, integrated MR debounce, and push-pull output in SC70 - making it optimal for 3 V systems needing robust, self-contained reset supervision without layout or firmware overhead.
Availability
ADM6711MAKSZ-REEL7 is available at Aetrix Electronics and suitable for industrial PLC controllers, automotive body electronics, portable medical instruments, smart energy meters, and battery-powered IoT edge nodes requiring stable component supply across extended temperature ranges.
Supply support for ADM6711MAKSZ-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 semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision measurement and control.
The ADM6711 series belongs to Analog Devices' microprocessor supervisory product line, designed specifically for fail-safe power-on reset, brownout protection, and manual reset coordination in resource-constrained embedded systems.
FAQ
What is the exact reset threshold voltage of ADM6711MAKSZ-REEL7 and how does it vary with temperature?
The ADM6711MAKSZ-REEL7 has a nominal reset threshold of 4.38 V at 25°C, with a guaranteed range of 4.25 V to 4.50 V over −40°C to +85°C and 4.20 V to 4.56 V over 85°C to 125°C. This 4.38 V threshold is selected to supervise 3 V supply rails with adequate margin above typical 3.0 V ±10% tolerance, ensuring reliable detection of brownout conditions while avoiding false triggers during normal regulation ripple.
Does ADM6711MAKSZ-REEL7 require an external pull-up resistor on its RESET pin?
No, ADM6711MAKSZ-REEL7 features a push-pull RESET output, meaning it actively drives both high and low states without requiring an external pull-up resistor. When asserted, RESET is pulled low to ≤0.3 V at 1.2 mA sink current; when deasserted, it drives high to ≥0.8×VCC at 500 μA source current - enabling direct connection to microcontroller reset inputs such as those on STM32L4 or Silicon Labs EFM32.
What is the minimum pulse width required on the MR pin of ADM6711MAKSZ-REEL7 to guarantee a reset event?
The MR pin of ADM6711MAKSZ-REEL7 requires a minimum negative-going pulse width of 1 μs to guarantee recognition and initiation of a reset cycle. Pulses shorter than 100 ns are rejected as noise, providing inherent hardware debounce. This eliminates the need for external RC filters or firmware polling, simplifying design for pushbutton reset interfaces in industrial HMI panels and automotive switches.
Can ADM6711MAKSZ-REEL7 operate reliably when VCC drops below 2.0 V?
Yes, ADM6711MAKSZ-REEL7 is specified to assert RESET down to VCC = 1.0 V and remains functional across its full 1.2 V to 5.5 V operating range at −40°C to +125°C. Its internal voltage reference and comparator maintain accuracy even during deep brownout, ensuring the RESET output stays asserted until VCC recovers above 4.38 V and holds for the full timeout period - critical for preserving SRAM state and preventing undefined MCU behavior.
How does the reset timeout period of ADM6711MAKSZ-REEL7 behave across temperature and supply voltage?
The reset timeout period of ADM6711MAKSZ-REEL7 is specified as 140 ms minimum to 460 ms maximum over −40°C to +85°C, and 100 ms to 640 ms over 85°C to 125°C. This variation arises from internal RC timing element drift and is independent of VCC within operating range. The typical value is 240 ms, providing consistent power stabilization time regardless of input voltage - essential for predictable boot sequencing in multi-rail systems.
ADM6711MAKSZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SC-82A, SOT-343
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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 Low
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-4
ADM6711MAKSZ-REEL7 FAQ
1.How can I place an order for ADM6711MAKSZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM6711MAKSZ-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 ADM6711MAKSZ-REEL7 reliable?
The price and inventory of ADM6711MAKSZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM6711MAKSZ-REEL7 is usually 5 days.
3.What payment methods are accepted for ADM6711MAKSZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM6711MAKSZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM6711MAKSZ-REEL7?
ADM6711MAKSZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM6711MAKSZ-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 ADM6711MAKSZ-REEL7?
For technical support, including ADM6711MAKSZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM6711MAKSZ-REEL7 requirements.
6.How does Aetrix verify that ADM6711MAKSZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All ADM6711MAKSZ-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 ADM6711MAKSZ-REEL7 meets industry standards.
7.What is the process for return or replacement of ADM6711MAKSZ-REEL7?
All ADM6711MAKSZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADM6711MAKSZ-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 ADM6711MAKSZ-REEL7 part is unused and in its original packaging.
Return procedure for ADM6711MAKSZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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