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Analog Devices MAX6709DUB — Discrete Semiconductors
Analog Devices

MAX6709DUB Multi-Voltage Supervisor, Quad Monitor

MPNMAX6709DUB
End of Life

Maxim Integrated MAX6709DUB, Multi-Voltage Supervisor, Quad Monitor, Active-Low Open-Drain Output, Thresholds 1.67V/3.08V/4.63V/Adj, -40°C to 85°C, 10-uMAX Package.

$3.67Ref. price · indicative, final on quote
MAX6709DUB datasheet
Packaging10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
StockContact for availability
MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
  • Date & lot codes on quoteStated per line before you commit; label photos on request.
  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
  • PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.

Specifications

MAX6709DUB Technical Specifications
ParameterValue
TypeMulti-Voltage Supervisor
Mounting typeSurface Mount
Voltage - threshold1.67V, 3.08V, 4.63V, Adj
Number of voltages monitored4
Operating temperature-40°C ~ 85°C (TA)
ResetActive Low
OutputOpen Drain or Open Collector
PackageBulk
Case10-TFSOP, 10-MSOP (0.118\", 3.00mm Width)

Product details

Quad supervisor for multi-rail systems

The Maxim Integrated MAX6709DUB is a multi-voltage supervisor that monitors four independent supply rails. It asserts a common active-low reset output (open-drain) whenever any monitored voltage falls below its threshold. The factory-programmed thresholds are 1.67 V, 3.08 V, and 4.63 V, with a fourth adjustable input for a custom trip point. This part is designed for systems that need to sequence or supervise multiple power domains — think FPGA core + I/O banks, mixed-signal boards with analog and digital supplies, or telecom line cards with multiple voltage planes.

Thresholds and reset behaviour

The three fixed thresholds are 1.67 V, 3.08 V, and 4.63 V. The adjustable input sets a fourth threshold with an external resistor divider.

Lifecycle and sourcing

The MAX6709DUB is listed as Active on Maxim's product status. No last-time-buy or end-of-life notice is in effect. It is RoHS non-compliant per the original release — if your BOM requires RoHS compliance, verify the lead-free suffix variant (MAX6709DUB+ or similar) with your distributor.

Frequently asked questions

How does MAX6709DUB compare to ADM708?

The ADM708 is a single-voltage supervisor (monitors one rail), while the MAX6709DUB monitors four rails. The ADM708 typically has a fixed threshold (e.g., 2.93 V for 3 V systems) and a push-pull or open-drain output. The MAX6709DUB offers three fixed thresholds plus an adjustable input, making it suitable for multi-rail supervision in a single package. For single-rail monitoring, the ADM708 is a simpler, lower-cost choice; for quad monitoring, the MAX6709DUB consolidates what would otherwise require four separate supervisors.

Is MAX6709DUB compatible with 3.3V systems?

Yes. One of the fixed thresholds is 3.08 V, which is the standard undervoltage trip point for a 3.3 V rail (typically 2.93–3.08 V). The open-drain output can be pulled up to 3.3 V or any other voltage within the absolute maximum ratings, making it directly compatible with 3.3 V logic.