MAX6700, MAX6710 Low-Voltage, High-Accuracy, Triple/Quad Voltage µP Supervisory Circuits in SOT Package

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The MAX6700/MAX6710 precision triple/quad voltage microprocessor (µP) supervisory circuits monitor up to four system-supply voltages and assert a single reset if any supply voltage drops below its preset threshold. These devices significantly reduce system size and component count while improving reliability compared to separate ICs or discrete components.

A variety of factory-trimmed threshold voltages are available to accommodate different supply voltages and tolerances with minimal external component requirements. The MAX6710 includes internally fixed options for monitoring 5.0V, 3.3V, 3.0V, 2.5V, and 1.8V supplies with -5% or -10% tolerances. The MAX6710 is also available with one to three adjustable threshold options to monitor voltages down to 0.62V. The MAX6700 monitors three voltages with adjustable thresholds down to 0.62V.

A single active-low output asserts when any monitored input falls below its associated threshold. The open-drain output has a weak internal pullup (10µA) to IN2. For the MAX6710, reset remains low for the reset timeout period (140ms min) after all voltages rise above the selected threshold. The MAX6700 acts as a voltage detector with a propagation delay of 5µs after all monitored voltages exceed their thresholds. The output remains valid as long as either IN2 or IN2 input voltage remains above 1V (MAX6710) or V_CC is above 2V (MAX6700/MAX6710Q).

The MAX6700/MAX6710 are available in a small 6-pin SOT23 package and operate over the extended (-40°C to +85°C) temperature range.

Key Features

Applications/Uses

	Monitor Up to Four Power-Supply Voltages
	Precision Factory-Set Reset Threshold Options for 5.0V, 3.3V, 3.0V, 2.5V, and 1.8V Supplies
	Adjustable Voltage Threshold Monitors Down to 0.62V with 1.5% Accuracy
	Low 35µA Supply Current
	Open-Drain active-low RESET Output with 10µA Internal Pullup
	5µs Propagation Delay (MAX6700)
	140ms (min) Reset Timeout Period (MAX6710)
	Active-low RESET Valid to IN1 = 1V or IN2 = 1V
	Immune to Short Monitored Supply Transients
	Guaranteed from -40°C to +85°C
	Small 6-Pin SOT23 Package

	Computers: Desktop, Workstation, Server
	Data Storage Equipment
	High-End Printers
	Industrial Equipment
	Network Equipment
	Servers and Workstations
	Set-Top Boxes
	Telecommunications

Key Specifications: Microprocessor Supervisors

Part Number

Number of Monitored Voltages

Reset Threshold Range (V)

Active-Low Reset Output

Min. Reset Timeout Range

Watchdog Feature

Supervisor Features

Reset Thresh. Acc. (% @+25°C)

Max. I_CC (µA)

Package

Smallest Available Package (max w/pins) (mm²)

RoHS Available

Operating Temp. Range (°C)

Price^*

MAX6700

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

<1ms

No Watchdog

Adjustable Reset Input

1.5

SOT-23/6

Yes

-40 to +85
0 to +70

$1.56 @ 1k

MAX6710

85ms to 300ms

2.5

$1.67 @ 1k

See All Microprocessor Supervisors (435)

Key Specifications: Supervisors (3 Monitored Voltages)

Part Number

Interface

Reset Threshold Range (V)

Active-Low Reset Output

Min. Reset Timeout Range

Watchdog Feature

Supervisor Features

Reset Thresh. Acc. (% @+25°C)

Max. I_CC (µA)

Supervisor Functions

Package

Smallest Available Package (max w/pins) (mm²)

RoHS Available

Operating Temp. Range (°C)

Price^*

MAX6700

R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

<1ms

No Watchdog

Adjustable Reset Input

1.5

Multivoltage Monitor

SOT-23/6

Yes

-40 to +85
0 to +70

$1.56 @ 1k

See All Supervisors (3 Monitored Voltages) (21)

Key Specifications: Supervisors (4 Monitored Voltages)

Part Number

Interface

Reset Threshold Range (V)

Active-Low Reset Output

Min. Reset Timeout Range

Watchdog Feature

Supervisor Features

Reset Thresh. Acc. (% @+25°C)

Max. I_CC (µA)

Supervisor Functions

Smallest Available Package (max w/pins) (mm²)

RoHS Available

Operating Temp. Range (°C)

Price^*

MAX6710

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

85ms to 300ms

No Watchdog

Adjustable Reset Input

2.5

Multivoltage Monitor

Yes

-40 to +85
0 to +70

$1.67 @ 1k

See All Supervisors (4 Monitored Voltages) (16)

Notes:
^*This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.