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Analog Devices Inc./Maxim Integrated MAX6710LUT-T
- Part No.:
- MAX6710LUT-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6710LUT-T.pdf
- Description:
- IC SUPERVISOR 4 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:3,586
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Product details
Overview
MAX6710LUT-T from Maxim Integrated is a quad-voltage microprocessor supervisory IC in SOT23-6 package that monitors four supply rails-including adjustable thresholds on IN1/IN4 and fixed 3.3V/1.8V on IN2/IN3 with ±5% tolerance-and asserts an active-low open-drain RESET output when any falls below threshold. It delivers 140ms minimum reset timeout, 35μA supply current, and operates from -40°C to +85°C for embedded power integrity in servers and industrial controllers.
For engineers reviewing the MAX6710LUT-T datasheet, MAX6710LUT-T pinout, MAX6710LUT-T application, or MAX6710LUT-T equivalent, this page provides verified functional identity, confirmed pin roles, exact threshold configuration (IN1/IN4 adjustable, IN2=3.3V, IN3=1.8V, ±5%), true reset timeout (140ms min), and validated alternatives for multi-rail voltage monitoring designs.
Technical Context
The MAX6710LUT-T implements four independent precision comparators with a shared 0.62V internal reference and factory-trimmed resistor dividers for IN2 and IN3, while IN1 and IN4 accept external resistor networks for user-defined thresholds down to 0.62V. Its NOR-gated reset logic ensures single-output assertion on any undervoltage event.
Reset timing is governed by a dedicated timeout circuit: after all inputs exceed their thresholds, RESET remains low for ≥140ms before deassertion-distinct from the MAX6700's 5μs propagation delay-and the open-drain output features a 10μA internal pullup to IN2, eliminating need for external pullup in many 3.3V logic interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | VIN2 = 1.2V to 5.5V (powers device and serves as monitored rail); supports operation with 3.3V system rail as both supply and monitored input. |
| Reset Timeout Period | 140ms minimum (guaranteed); ensures reliable processor initialization in systems requiring extended hold time after power stabilization. |
| Threshold Accuracy | ±1.5% for adjustable inputs (0.62V reference); enables precise custom voltage monitoring down to 0.62V using external resistors. |
| Fixed Thresholds | IN2 = 3.3V ±5%, IN3 = 1.8V ±5%; factory-trimmed for direct compatibility with common I/O and core rails without external components. |
| Quiescent Current | 35μA typical at VIN2 = 3.0V; minimizes impact on battery-backed or low-power standby modes in portable and always-on equipment. |
| Input Hysteresis | 0.3% of threshold voltage; prevents chatter during slow-rising/falling supply edges and improves noise immunity in electrically noisy environments. |
| Operating Temperature | -40°C to +85°C; qualified for industrial-grade deployment in telecom infrastructure, networking gear, and embedded control systems. |
Pinout & Package
Package: 6-pin SOT23-6, surface-mount, lead-free (RoHS-compliant), footprint compatible with standard SOT23 land pattern 90-0175.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - IN1 | Adjustable voltage monitor input | Accepts external resistor divider; threshold set to 0.62V × (R1+R2)/R2; ±0.4μA max input bias enables high-impedance sensing. |
| 2 - IN2 | Monitored 3.3V supply & device power source | Simultaneously powers IC and serves as fixed 3.3V ±5% monitored rail; RESET valid if IN2 ≥ 1.0V. |
| 3 - IN3 | Monitored 1.8V supply input | Factory-trimmed for 1.8V ±5%; no external components required; supports core voltage monitoring in modern SoCs and FPGAs. |
| 4 - IN4 | Adjustable voltage monitor input | Identical function to IN1; enables dual custom thresholds (e.g., 2.5V and 1.2V) alongside fixed rails for complex multi-supply systems. |
| 5 - GND | Analog/digital ground reference | Common return path for all comparators and reset logic; must be low-impedance connection to avoid threshold shift. |
| 6 - RESET | Active-low open-drain reset output | Pulled low on any undervoltage; 10μA internal pullup to IN2 eliminates external resistor in 3.3V systems; sinks up to 2mA. |
Key Features
| Feature | Design Value |
|---|---|
| Quad independent voltage monitoring | Simultaneously supervises four rails (two fixed, two adjustable), reducing BOM count versus discrete supervisors or multiple ICs. |
| Factory-trimmed 3.3V/1.8V thresholds | Eliminates external resistors and calibration for standard I/O and core supplies-direct drop-in support for common FPGA/CPU power domains. |
| 140ms guaranteed reset timeout | Ensures full processor reset sequencing compliance without external RC timing components or firmware delays. |
| 0.62V precision internal reference | Enables accurate custom thresholds from 0.62V to 5.5V via external dividers; ±1.5% accuracy maintains tight margin control. |
| Immunity to short supply transients | Rejects glitches ≤100µs duration (at 100mV overdrive), preventing false resets in switching regulator noise environments. |
Applications
| Telecom Line Cards | Industrial PLC Controllers |
|---|---|
Use Scenario: Monitoring 3.3V management bus, 1.8V FPGA core, and two auxiliary rails (e.g., 2.5V analog, 5V interface) in carrier-grade line cards. IC Role / Device Role / Timing Role: Quad-supply supervisor asserting synchronized hardware reset across FPGA, DSP, and PHY upon any rail fault. Use Value: Guarantees 140ms reset hold time to meet ITU-T G.783 timing requirements for controlled restart after brownout. |
Use Scenario: Supervising 3.3V I/O, 1.8V microcontroller core, and two fieldbus interface rails (e.g., 5V RS-485, 24V isolated logic) in DIN-rail mounted PLCs. IC Role / Device Role / Timing Role: Single-chip voltage guardian triggering fail-safe shutdown and watchdog reset when any supply deviates beyond ±5%. Use Value: Replaces three discrete supervisors, cutting PCB area by 60% and improving MTBF through integrated hysteresis and glitch rejection. |
| Network Switch ASIC Power | Medical Imaging Front-End |
Use Scenario: Validating 3.3V SerDes bias, 1.8V transceiver core, and two programmable auxiliary rails (e.g., 1.2V ADC, 2.5V DAC) in 10G Ethernet switch ASICs. IC Role / Device Role / Timing Role: Precision quad monitor ensuring ASIC power sequencing integrity before clock enable and configuration load. Use Value: Adjustable IN1/IN4 thresholds match non-standard ASIC rails; 0.3% hysteresis prevents oscillation during thermal drift. |
Use Scenario: Supervising 3.3V sensor interface, 1.8V FPGA processing core, and two imaging chain rails (e.g., 5V CCD bias, 1.2V ADC reference) in portable ultrasound units. IC Role / Device Role / Timing Role: Low-power (35μA) supervisor enabling battery-operated safe shutdown when any rail drops below spec during scan cycles. Use Value: 1.2V–5.5V operating range and 1V minimum IN2 validity allow operation during deep brownout recovery without losing reset state. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad-voltage supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6710KUT-T | Same pinout and function but rated for -40°C to +105°C; identical 3.3V/1.8V ±5% thresholds and adjustable IN1/IN4. | Required for extended-temperature industrial or automotive under-hood applications where ambient exceeds +85°C. | Select MAX6710KUT-T when operating temperature must reach +105°C; otherwise MAX6710LUT-T suffices for commercial/industrial grade. |
| TPS3808G33DBVR | Triple supervisor (not quad); fixed 3.3V only; no adjustable inputs; 200ms reset timeout; 1.5μA quiescent current. | Lacks fourth monitor and adjustable thresholds; suitable only for simpler 3-rail systems without custom voltage needs. | Choose TPS3808G33DBVR only if design uses exactly three rails and requires ultra-low IQ; MAX6710LUT-T is necessary for quad monitoring or adjustable thresholds. |
Compared with MAX6710KUT-T, the MAX6710LUT-T offers identical functionality at lower cost and smaller thermal derating burden for +85°C-limited applications; versus TPS3808G33DBVR, it adds a fourth rail and two adjustable thresholds-critical for complex SoC power domains-but consumes higher quiescent current.
Availability
MAX6710LUT-T is available at Aetrix Electronics and suitable for servers/workstations, industrial PLCs, telecom line cards, and medical imaging equipment requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.
Supply support for MAX6710LUT-T 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
Maxim Integrated (now part of Analog Devices) designs precision analog and mixed-signal ICs for power management, sensing, and interface applications, with emphasis on high-reliability industrial and communications systems.
The MAX6700/MAX6710 product line delivers compact, low-power quad/triple voltage supervisors for multi-rail embedded systems-designed specifically to replace discrete solutions in space-constrained telecom, computing, and industrial control platforms.
FAQ
What is the exact threshold configuration for MAX6710LUT-T?
The MAX6710LUT-T is configured with IN1 and IN4 as adjustable inputs (0.62V internal reference), IN2 as a fixed 3.3V ±5% monitored supply, and IN3 as a fixed 1.8V ±5% monitored supply. This matches the Selector Guide top mark AAZL and is confirmed in the device's ordering table and functional diagrams.
Does MAX6710LUT-T require an external pullup resistor on the RESET pin?
No-MAX6710LUT-T includes a 10μA internal pullup to IN2, which is sufficient for interfacing with 3.3V logic. An external pullup is only needed when driving logic with a different supply voltage (e.g., 5V or 1.8V), as the internal pullup ties to IN2 and cannot source current above IN2 voltage.
What is the minimum valid voltage on IN2 for MAX6710LUT-T to maintain RESET functionality?
RESET remains valid (i.e., correctly asserted/deasserted) as long as IN2 ≥ 1.0V, per Absolute Maximum Ratings and Electrical Characteristics tables. Below 1.0V, RESET behavior is not guaranteed-even if other inputs remain above threshold-making IN2 critical for reset integrity.
Can unused inputs like IN1 or IN4 be left floating on MAX6710LUT-T?
No-unused adjustable inputs must not float. Per Applications Information, connect unused IN1 or IN4 to IN2 via a 1MΩ series resistor to limit bias current and prevent erroneous reset assertion. Floating inputs risk noise-induced false triggers due to high-impedance comparator inputs.
How does the 140ms reset timeout of MAX6710LUT-T compare to the MAX6700 series?
The MAX6710LUT-T guarantees ≥140ms reset timeout after all voltages rise above threshold, whereas the MAX6700 acts as a voltage detector with only 5μs propagation delay and no timeout. This makes MAX6710LUT-T suitable for microprocessor reset sequencing, while MAX6700 fits fast-response voltage detection tasks.
MAX6710LUT-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 4
- Voltage - Threshold:
- 1.67V, 3.08V, Adj, Adj
- Output:
- Open Drain or Open Collector
- Reset:
- Active Low
- Reset Timeout:
- 140ms Minimum
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
MAX6710LUT-T FAQ
1.How can I place an order for MAX6710LUT-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6710LUT-T 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 MAX6710LUT-T reliable?
The price and inventory of MAX6710LUT-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6710LUT-T is usually 5 days.
3.What payment methods are accepted for MAX6710LUT-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6710LUT-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6710LUT-T?
MAX6710LUT-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6710LUT-T 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 MAX6710LUT-T?
For technical support, including MAX6710LUT-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6710LUT-T requirements.
6.How does Aetrix verify that MAX6710LUT-T is sourced from the original manufacturer or authorized distributors?
All MAX6710LUT-T 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 MAX6710LUT-T meets industry standards.
7.What is the process for return or replacement of MAX6710LUT-T?
All MAX6710LUT-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6710LUT-T, 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 MAX6710LUT-T part is unused and in its original packaging.
Return procedure for MAX6710LUT-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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