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Analog Devices Inc. ADM6711SAKS-REEL
- Part No.:
- ADM6711SAKS-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Supervisors
- Package:
- SC-82A, SOT-343
- Datasheet:
-
ADM6711SAKS-REEL.pdf
- Description:
- IC SUPERVISOR 1 CHANNEL SC70-4
- Quantity:
- Payment:
- Shipping:
Inventory:2,713
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Product details
Overview
ADM6711SAKS-REEL from Analog Devices is a precision microprocessor supervisory circuit in 4-lead SC70 package, designed to monitor 3.3 V supply rails with a nominal reset threshold of 2.93 V, asserting active-low RESET for ≥140 ms after power-up or brownout, and supporting manual reset via debounced MR input. It operates across −40°C to +125°C and consumes only 12 μA typical supply current.
For engineers reviewing the ADM6711SAKS-REEL datasheet, ADM6711SAKS-REEL pinout, ADM6711SAKS-REEL application, or ADM6711SAKS-REEL equivalent, key selection criteria include its push-pull RESET output (eliminating external pull-up), 2.93 V threshold accuracy over temperature, 100 ns glitch immunity, and compatibility with low-power portable and automotive microcontroller systems requiring reliable power-on reset sequencing.
Technical Context
The ADM6711SAKS-REEL integrates a precision voltage reference, comparator with 30 ppm/°C temperature coefficient, and a 240 ms typical internal timeout timer that ensures RESET remains asserted long enough for system stabilization. Its reset assertion occurs when VCC falls below 2.93 V (±0.04 V at 25°C) and persists down to 1 V VCC.
It features a debounced manual reset (MR) input tolerant of <100 ns transients and guaranteed to respond to ≥1 μs pulses, with internal 10–20 kΩ pull-up resistance. The push-pull RESET output drives low to ≤0.3 V at 1.2 mA sink and high to ≥0.8×VCC at 500 μA source, enabling direct interface with CMOS logic without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reset Threshold | 2.93 V (nominal); monitors 3.3 V supplies with ±60 mV tolerance over −40°C to +85°C. |
| Reset Timeout Period | 140–460 ms (min–max); ensures sufficient hold time for microprocessor initialization after power-up or recovery. |
| Supply Current | 12 μA typical at VCC < 3.6 V; enables battery-powered and ultra-low-power embedded designs. |
| Operating Voltage Range | 1.0 V to 5.5 V; supports valid reset assertion even as VCC drops to 1 V, critical for brownout detection. |
| Glitch Immunity | 100 ns minimum pulse rejection on VCC; prevents false resets from power rail noise or transient coupling. |
| MR Input Pulse Width | ≥1 μs minimum; allows robust manual reset triggering using standard tactile switches or logic signals. |
| Output Type | Push-pull active-low RESET; eliminates need for external pull-up resistor and simplifies PCB layout. |
Pinout & Package
ADM6711SAKS-REEL uses a 4-lead SC70 (KS-4) surface-mount package measuring 2.20 mm × 1.35 mm × 0.9 mm, optimized for space-constrained portable and automotive applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - GND | Ground reference | 0 V return path for all internal circuitry; must be connected to system ground plane for stable operation. |
| 2 - RESET | Active-low reset output | Push-pull driver asserts low during power-up/brownout/manual reset; sinks up to 1.2 mA and sources ≥500 μA. |
| 3 - MR | Manual reset input | Active-low debounced input; ignores glitches <100 ns; requires ≥1 μs pulse to initiate reset sequence. |
| 4 - VCC | Monitored supply voltage | Input for the supply being supervised; device functions correctly down to 1.0 V and asserts RESET until VCC exceeds 2.93 V. |
Key Features
| Feature | Design Value |
|---|---|
| Precision voltage monitoring | 2.93 V threshold with ±0.04 V max deviation over −40°C to +85°C, ensuring accurate 3.3 V rail supervision. |
| Ultra-low quiescent current | 12 μA typical supply current enables multi-year battery life in always-on sensor nodes and portable instrumentation. |
| Integrated debounce & glitch immunity | Hardware-debounced MR input and 100 ns VCC transient rejection eliminate need for external RC filters or firmware polling. |
| Wide operating voltage range | Functions from 1.0 V to 5.5 V, allowing use in mixed-voltage systems and enabling valid reset assertion during deep brownout conditions. |
| SC70 footprint compatibility | 4-pin KS-4 package matches industry-standard SC70 land pattern, easing layout reuse and supporting high-density PCB designs. |
Applications
| Industrial PLC Controller | Automotive Body Control Module |
|---|---|
|
Use Scenario: Power-up sequencing and brownout recovery in programmable logic controllers exposed to wide ambient temperature swings and noisy 24 V DC supplies stepped down to 3.3 V. IC Role / Device Role / Timing Role: Supervisory circuit providing precise 2.93 V threshold detection and ≥140 ms RESET hold time to ensure FPGA and MCU boot integrity. Use Value: Prevents corrupted firmware execution by guaranteeing reset remains asserted until regulated 3.3 V rail stabilizes, even under load-step transients. |
Use Scenario: Reset management for microcontrollers in door module ECUs where battery voltage dips during cranking (down to ~6 V) cause intermediate 3.3 V LDO droop. IC Role / Device Role / Timing Role: Monitors post-LDO 3.3 V rail and asserts RESET if voltage falls below 2.93 V, with operation guaranteed down to 1 V VCC during severe brownout. Use Value: Maintains deterministic system state during engine start, avoiding undefined MCU behavior or EEPROM corruption due to marginal supply. |
| Portable Medical Sensor Node | Smart Energy Meter MCU Subsystem |
|
Use Scenario: Battery-powered wearable sensor collecting ECG data, requiring multi-year operation on coin cell with minimal self-discharge impact. IC Role / Device Role / Timing Role: Low-power (12 μA) supervisory IC ensuring clean MCU startup after button-press wake-up or cold boot from storage. Use Value: Enables reliable first-instruction execution while contributing negligible current draw-critical for extending battery service life beyond 5 years. |
Use Scenario: Reset coordination between metrology ASIC and host ARM Cortex-M in utility meters subject to conducted EMI and lightning-induced surges on AC lines. IC Role / Device Role / Timing Role: Provides 100 ns VCC glitch immunity and MR-triggered reset for firmware recovery after communication stack lockup. Use Value: Eliminates need for watchdog co-design; single-chip solution meets IEC 61000-4-4 level 3 surge immunity requirements for reset path integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microprocessor supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6326UT29D3+T | 2.93 V threshold, SOT-23-3 package, open-drain RESET output requiring external pull-up. | Lacks push-pull drive; adds BOM cost and board area; lower temperature range (−40°C to +85°C). | Select when footprint constraints favor SOT-23 or when open-drain flexibility (e.g., wired-OR reset bus) is required. |
| TPS3808G33DBVR | 3.3 V threshold (±0.5%), 6-pin SOT-23, higher quiescent current (12 μA typ but up to 35 μA at 125°C). | Includes watchdog timer and adjustable delay; larger package and higher pin count increase layout complexity. | Select when system-level watchdog functionality is needed alongside reset supervision, not for pure reset-only use cases. |
Compared with MAX6326UT29D3+T and TPS3808G33DBVR, the ADM6711SAKS-REEL delivers identical 2.93 V threshold accuracy with lower thermal drift (30 ppm/°C), guaranteed operation to +125°C, and zero-component push-pull RESET-making it optimal for compact, high-reliability 3.3 V microcontroller systems where simplicity and extended temperature performance are prioritized.
Availability
ADM6711SAKS-REEL is available at Aetrix Electronics and suitable for industrial PLC controllers, automotive body control modules, portable medical sensor nodes, smart energy meter MCU subsystems, and other applications requiring stable component supply with guaranteed long-term availability.
Supply support for ADM6711SAKS-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 ADM6711 series belongs to Analog Devices' precision power monitoring product line, engineered specifically for reliable microprocessor reset generation in harsh environments where voltage accuracy, low power, and temperature stability are critical.
FAQ
What is the exact reset threshold voltage of the ADM6711SAKS-REEL and how does it vary with temperature?
The ADM6711SAKS-REEL has a nominal reset threshold of 2.93 V at 25°C, with a guaranteed range of 2.85 V to 3.00 V over −40°C to +85°C and 2.81 V to 3.05 V over 85°C to +125°C. Its temperature coefficient is tightly controlled at 30 ppm/°C, ensuring minimal drift across the full industrial temperature range. This precision enables reliable supervision of 3.3 V rails without margin-related false resets or missed brownouts.
Does the ADM6711SAKS-REEL require an external pull-up resistor on the RESET pin?
No, the ADM6711SAKS-REEL features a push-pull RESET output, so no external pull-up resistor is required. It actively drives high to ≥0.8×VCC at 500 μA source current and low to ≤0.3 V at 1.2 mA sink current. This simplifies design, reduces BOM count, and avoids timing uncertainty associated with RC time constants-making the ADM6711SAKS-REEL ideal for deterministic reset timing in safety-critical applications.
Can the ADM6711SAKS-REEL operate reliably during severe brownout conditions where VCC drops below 2 V?
Yes, the ADM6711SAKS-REEL is fully specified to operate and assert RESET down to VCC = 1.0 V. Its internal circuitry remains functional and maintains valid reset assertion even as the monitored supply collapses, ensuring system integrity during deep brownouts. This capability is confirmed across the full −40°C to +125°C temperature range and is essential for automotive and industrial applications experiencing battery sag or LDO dropout.
How does the manual reset (MR) input of the ADM6711SAKS-REEL handle noise and contact bounce?
The MR input of the ADM6711SAKS-REEL includes hardware debounce that rejects transients shorter than 100 ns and guarantees recognition of pulses ≥1 μs. This eliminates need for external RC filtering or firmware debouncing. When used with mechanical switches, the internal 10–20 kΩ pull-up ensures clean logic levels, and adding a 0.1 μF capacitor to ground further suppresses EMI in noisy environments-making the ADM6711SAKS-REEL robust in real-world industrial and automotive deployments.
What package type and dimensions does the ADM6711SAKS-REEL use, and is it compatible with standard reflow processes?
The ADM6711SAKS-REEL uses a 4-lead SC70 (KS-4) package measuring 2.20 mm × 1.35 mm × 0.9 mm, compliant with EIAJ SC82 outline. It is RoHS-compliant and qualified for standard lead-free reflow soldering per JEDEC J-STD-020. The small footprint supports high-density layouts in portable and automotive modules, and its thermal impedance (θJA = 146°C/W) ensures stable operation under continuous 12 μA load without derating.
ADM6711SAKS-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SC-82A, SOT-343
- 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 Low
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-4
ADM6711SAKS-REEL FAQ
1.How can I place an order for ADM6711SAKS-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADM6711SAKS-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 ADM6711SAKS-REEL reliable?
The price and inventory of ADM6711SAKS-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADM6711SAKS-REEL is usually 5 days.
3.What payment methods are accepted for ADM6711SAKS-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADM6711SAKS-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADM6711SAKS-REEL?
ADM6711SAKS-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADM6711SAKS-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 ADM6711SAKS-REEL?
For technical support, including ADM6711SAKS-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADM6711SAKS-REEL requirements.
6.How does Aetrix verify that ADM6711SAKS-REEL is sourced from the original manufacturer or authorized distributors?
All ADM6711SAKS-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 ADM6711SAKS-REEL meets industry standards.
7.What is the process for return or replacement of ADM6711SAKS-REEL?
All ADM6711SAKS-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADM6711SAKS-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 ADM6711SAKS-REEL part is unused and in its original packaging.
Return procedure for ADM6711SAKS-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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