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Analog Devices Inc./Maxim Integrated MAX6710BUT+T
- Part No.:
- MAX6710BUT+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Supervisors
- Package:
- SOT-23-6
- Datasheet:
-
MAX6710BUT+T.pdf
- Description:
- IC SUPERVISOR 4 CHANNEL SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:4,082
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Product details
Overview
MAX6710BUT+T from Analog Devices is a precision quad-voltage microprocessor supervisory IC that monitors 5.0V (-5%), 3.3V (-5%), 2.5V (-5%), and one adjustable input down to 0.62V, asserting a single active-low open-drain RESET when any threshold is violated. It operates from -40°C to +105°C in a 6-pin SOT23 package and delivers 140ms minimum reset timeout for reliable power-on sequencing in embedded computing systems.
For engineers reviewing the MAX6710BUT+T datasheet, MAX6710BUT+T pinout, MAX6710BUT+T application, or MAX6710BUT+T equivalent, key selection considerations include factory-trimmed -5% tolerance thresholds for 5V/3.3V/2.5V rails, 0.62V adjustable reference accuracy (±1.5%), 35μA supply current, 140ms reset timeout, and guaranteed operation with IN1 or IN2 ≥1V - critical for industrial and telecom power-rail monitoring.
Technical Context
The MAX6710BUT+T integrates four independent voltage comparators with a shared 0.62V internal bandgap reference and precision resistor-divider networks for fixed thresholds. Each comparator features 0.3% VTH hysteresis to reject noise without compromising accuracy.
It uses IN2 as both power supply and monitored rail (3.3V), supports manual reset via adjustable IN4, and maintains valid RESET output as long as IN1 or IN2 remains ≥1V - enabling robust operation during brownout recovery. The 140ms min timeout ensures sufficient processor initialization time after all supplies stabilize.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Monitored Voltages | 5.0V (-5%), 3.3V (-5%), 2.5V (-5%), and one adjustable input (0.62V ref) |
| Reset Timeout | 140ms minimum - guarantees full microprocessor initialization before deassertion |
| Supply Current | 35μA typical - enables ultra-low-power system supervision without burdening supply |
| Input Threshold Accuracy | ±1.5% for adjustable inputs; ±0.13V max deviation for fixed 5V/3.3V/2.5V options |
| Operating Temperature | -40°C to +105°C - qualified for industrial and extended-temperature embedded applications |
| RESET Output Type | Open-drain with 10μA internal pullup to IN2 - eliminates need for external pullup in many 3.3V logic interfaces |
| Glitch Immunity | Immune to transients <100µs at 50mV overdrive - prevents false resets during supply ripple |
Pinout & Package
Package: 6-pin SOT23-6, footprint-compatible with industry-standard 0.95mm pitch land pattern (Outline No. 21-0058).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | IN1 | Monitored 5.0V input with -5% factory threshold (4.75V typ); requires no external components |
| 2 | IN2 | Monitored 3.3V input (-5%, 3.15V typ) and primary power supply; RESET valid if ≥1V |
| 3 | IN3 | Monitored 2.5V input (-5%, 2.38V typ); internally trimmed, no external resistors needed |
| 4 | IN4 | Adjustable input referenced to 0.62V; supports external resistor divider for custom thresholds ≥0.62V |
| 5 | GND | Analog ground reference for all comparators and bandgap circuitry |
| 6 | RESET | Active-low open-drain output; pulled up internally to IN2 (10μA); sinks ≥2mA at 0.3V |
Key Features
| Feature | Design Value |
|---|---|
| Quad-voltage monitoring | Simultaneously supervises four independent rails - reduces BOM count vs. discrete supervisors |
| Factory-trimmed thresholds | Eliminates calibration effort for 5V/3.3V/2.5V rails; -5% tolerance matches common LDO specs |
| 0.62V adjustable reference | Enables precise monitoring of sub-1V cores (e.g., FPGA I/O, low-VDD SoCs) with ±1.5% accuracy |
| 140ms reset timeout | Guarantees processor reset hold time exceeds boot ROM execution latency in most x86/ARM designs |
| IN1/IN2 ≥1V RESET validity | Permits clean reset assertion during partial power-up sequences where only one rail is stable |
Applications
| Telecom Power Management | Industrial PLC Controller |
|---|---|
|
Use Scenario: Monitoring redundant 5V/3.3V/2.5V power rails in LTE base station backplane modules. IC Role / Device Role / Timing Role: Quad-supply supervisor ensuring synchronized reset across DSP, FPGA, and PHY subsystems during AC loss or hot-swap events. Use Value: 140ms timeout prevents premature CPU wake-up before DC-DC converters settle; -5% thresholds match telecom LDO tolerances. |
Use Scenario: Supervising 5V control logic, 3.3V I/O, 2.5V ADC reference, and 1.2V FPGA core in modular PLC rack controllers. IC Role / Device Role / Timing Role: Single-chip solution replacing three discrete supervisors, reducing PCB area by 65% and eliminating inter-rail timing skew. Use Value: Adjustable IN4 monitors 1.2V FPGA core via resistor divider; 0.62V reference enables ±1.5% accuracy at low voltage. |
| Notebook Embedded Controller | Network Switch ASIC Power-Up |
|
Use Scenario: Validating 5V auxiliary, 3.3V main, 2.5V memory, and adjustable 1.8V GPU rail during notebook cold boot. IC Role / Device Role / Timing Role: Resets EC and PCH simultaneously upon any rail fault; open-drain RESET interfaces directly to 3.3V GPIO. Use Value: 10μA internal pullup to IN2 eliminates external resistor; 35μA quiescent current minimizes battery drain in standby. |
Use Scenario: Coordinating power sequencing for multi-rail switch ASIC (5V bias, 3.3V I/O, 2.5V SerDes, 0.85V core). IC Role / Device Role / Timing Role: Asserts global reset until all four rails exceed thresholds, then holds RESET low for 140ms to align with ASIC boot ROM timing. Use Value: Immunity to <100µs transients prevents false resets during hot-plug insertion of line cards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad-voltage supervisory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6710AUT+T | Same pinout and package; identical 5V/3.3V/2.5V monitoring but with -10% tolerance on all fixed thresholds | Used where wider supply tolerance is acceptable (e.g., legacy telecom systems with looser LDO specs) | Select MAX6710AUT+T when design margins require deeper undervoltage detection before reset assertion |
| TPS3808G33DBVR | Triple-supply monitor (3.3V/2.5V/1.8V) with 200ms timeout; no 5V option; 2.5μA lower quiescent current | Lacks 5V monitoring capability; requires separate 5V supervisor or redesign of power architecture | Choose TPS3808G33DBVR only if 5V rail supervision is handled elsewhere and ultra-low IQ (<33μA) is mandatory |
Compared with MAX6710BUT+T, MAX6710AUT+T offers deeper undervoltage detection at the cost of reduced noise margin, while TPS3808G33DBVR trades 5V monitoring capability for lower power and shorter timeout - neither is pin-compatible, requiring layout changes for substitution.
Availability
MAX6710BUT+T is available at Aetrix Electronics and suitable for telecommunications infrastructure, industrial PLCs, notebook embedded controllers, and network switch ASIC power-up sequencing requiring stable component supply across extended temperature ranges.
Supply support for MAX6710BUT+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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The MAX6710BUT+T belongs to the MAX6700/MAX6710 family of precision quad/triple voltage supervisors designed specifically for space-constrained, high-reliability embedded systems requiring accurate multi-rail monitoring and deterministic reset timing.
FAQ
What is the exact reset timeout duration for MAX6710BUT+T?
The MAX6710BUT+T guarantees a minimum reset timeout of 140ms after all monitored voltages rise above their thresholds. Typical duration is 200ms, with a maximum of 280ms across temperature and voltage conditions. This fixed timeout is implemented via an internal timer and does not require external components - a key differentiator from the MAX6700 series, which uses propagation delay instead.
Can MAX6710BUT+T monitor a 1.8V supply?
No, MAX6710BUT+T is configured to monitor 5.0V (-5%), 3.3V (-5%), and 2.5V (-5%) with fixed thresholds; its fourth input (IN4) is adjustable down to 0.62V but does not support factory-trimmed 1.8V monitoring. For 1.8V supervision, consider MAX6710CUT+T or MAX6710DUT+T, which explicitly list 1.8V (-10% or -5%) in their Selector Guide configuration.
How does the internal 10μA pullup on MAX6710BUT+T RESET function?
The MAX6710BUT+T RESET output has a weak 10μA internal pullup connected to IN2, allowing direct interface with 3.3V logic without an external resistor. When IN2 = 3.3V, this provides ~3.3V high-level output. If interfacing with higher-voltage logic (e.g., 5V), an external pullup to that rail overrides the internal source - internal circuitry prevents reverse current flow into IN2.
What is the minimum valid voltage on IN1 or IN2 to maintain RESET functionality in MAX6710BUT+T?
For MAX6710BUT+T, RESET remains valid (i.e., correctly asserted or deasserted) as long as either IN1 or IN2 is ≥1.0V. This allows the device to generate a clean reset signal even during partial power-up sequences where only one monitored rail is active - a critical feature for systems with staggered power delivery.
Does MAX6710BUT+T require external components for basic operation?
No, MAX6710BUT+T operates fully autonomously with no external components required for its fixed-threshold monitoring (5V/3.3V/2.5V). Only the adjustable IN4 input needs an external resistor divider if monitoring a voltage other than 0.62V. Bypass capacitors (e.g., 0.1μF on IN2) are recommended for noise immunity but not mandatory for functional operation.
MAX6710BUT+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Multi-Voltage Supervisor
- Number of Voltages Monitored:
- 4
- Voltage - Threshold:
- 2.32V, 3.08V, 4.63V, 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-6
MAX6710BUT+T FAQ
1.How can I place an order for MAX6710BUT+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6710BUT+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 MAX6710BUT+T reliable?
The price and inventory of MAX6710BUT+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6710BUT+T is usually 5 days.
3.What payment methods are accepted for MAX6710BUT+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6710BUT+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6710BUT+T?
MAX6710BUT+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6710BUT+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 MAX6710BUT+T?
For technical support, including MAX6710BUT+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6710BUT+T requirements.
6.How does Aetrix verify that MAX6710BUT+T is sourced from the original manufacturer or authorized distributors?
All MAX6710BUT+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 MAX6710BUT+T meets industry standards.
7.What is the process for return or replacement of MAX6710BUT+T?
All MAX6710BUT+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6710BUT+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 MAX6710BUT+T part is unused and in its original packaging.
Return procedure for MAX6710BUT+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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