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Analog Devices MAX6834GXRD2+T — Discrete Semiconductors
Analog Devices

MAX6834GXRD2+T Simple Reset/Power-On Reset IC

MPNMAX6834GXRD2+T
End of Life

Analog Devices MAX6834GXRD2+T, Simple Reset/Power-On Reset, Active Low, Open Drain, 1.665V Threshold, 20ms Minimum Reset Timeout, SC-70-3, -40°C to 85°C.

$3.71Ref. price · indicative, final on quote
MAX6834GXRD2+T datasheet
PackagingSC-70, SOT-323
StockContact for availability
MOQ1 pcs
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Specifications

MAX6834GXRD2+T Technical Specifications
ParameterValue
TypeSimple Reset/Power-On Reset
Mounting typeSurface Mount
Voltage - threshold1.665V
Number of voltages monitored1
Operating temperature-40°C ~ 85°C (TA)
ResetActive Low
OutputOpen Drain or Open Collector
PackageStrip
Reset timeout20ms Minimum
CaseSC-70, SOT-323

Product details

What this supervisor does on the board

The Analog Devices MAX6834GXRD2+T is a single-channel voltage supervisor that monitors a 1.665 V rail and asserts a reset signal when the supply drops below that threshold. It is a Simple Reset/Power-On Reset type — no manual reset input, no watchdog timer, just a clean active-low open-drain output that holds the processor in reset for a minimum of 20 ms after the monitored rail comes up.

1.665 V threshold — what it means for your rail

The threshold is set at 1.665 V. The open-drain output lets you pull up to whatever voltage the reset input of your processor expects.

SC-70-3 package — field-fit note

It comes in a three-pin SC-70 package (SC-70-3, also called SOT-323). The pinout is straightforward: ground, reset output, and supply input.

Temperature range and environment

Rated for -40°C to 85°C ambient, which covers industrial control cabinets, outdoor telecom enclosures, and automotive cabin-zone electronics. Not rated for under-hood or engine-bay temperatures, but fine for most indoor and sheltered outdoor gear.

Frequently asked questions

Is MAX6834GXRD2+T obsolete or still active?

The MAX6834GXRD2+T is listed as Active in production. No end-of-life notice has been issued. It remains available through distribution channels.

Does MAX6834GXRD2+T have an open drain output?

Yes, the reset output is open drain (open collector), active low. This allows the output to be pulled up to any voltage within the device's rating, making it compatible with different logic families on the same board.

What is a direct replacement or equivalent for MAX6834GXRD2+T?

No official direct replacement has been announced. Any supervisor IC with a 1.665 V threshold, active-low open-drain output, 20 ms minimum reset timeout, and SC-70-3 package is a functional equivalent — verify pin compatibility and timing before substituting.