MAX6705ASKA+T by Analog Devices

Low-Voltage, SOT23, µP Supervisors with Power-Fail In/Out, Manual Reset, and Watchdog Timer

Status: Active
Series: MAX6705, MAX6705A
RoHS: Unknown
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The MAX6701—MAX6708 microprocessor (µP) supervisory circuits reduce the complexity and components required to monitor power-supply functions in µP systems. These devices significantly improve system reliability and accuracy compared to separate ICs or discrete components. The MAX6701—MAX6708 family provides four functions: a reset output during power-up, power-down, and brownout conditions; an independent watchdog output that goes low if the watchdog input has not been toggled within 1.6s; a 0.62V threshold detector for power-fail warning; and an active-low manual reset input. The MAX6701—MAX6708 family offers several pinout options to accommodate a variety of multivoltage microprocessor supervision applications. The MAX6701(A)/MAX6702(A)/MAX6703(A) monitor three supply voltages (one fixed threshold and two adjustable) to drive a single reset output and include a manual reset input and a watchdog timer with an independent output. The MAX6704 monitors a single-supply voltage to drive complementary reset outputs and includes an independent adjustable power-fail-in/power-fail-out comparator, a manual reset input, and a reset-based watchdog timer. The MAX6705(A)/MAX6706(A)/MAX6707(A) monitor a single-supply voltage to drive a single reset output and include an independent adjustable power-fail-in/power-fail-out comparator, a manual reset input, and a watchdog timer with an independent output. The MAX6708 is the same as the MAX6704 but without the watchdog timer function. See the Detailed Description for differences between non-A and A versions.

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Features

Small 8-Pin SOT23 Package
Precision Monitoring of +5.0V, +3.3V, +3.0V, +2.5V Supply Voltages
140ms Reset Timeout Delay
Power-Fail Input with Independent Output; Monitor Inputs Down to 0.62V (MAX6704—MAX6708)
Dual Adjustable Reset Input for Triple-Voltage Monitoring (MAX6701(A)/MAX6702(A)/MAX6703(A))
1.6s Watchdog Timeout Period (MAX6701(A)—MAX6707(A))
Independent Watchdog Output (MAX6701(A)/MAX6702(A)/MAX6703(A)/MAX6705(A)/MAX6706(A)/MAX6707(A))
Manual Reset Input
Four Reset Output Stage Options
Active Low Push-Pull (MAX6701(A), MAX6705(A))
Active Low Open Drain (MAX6703(A), MAX6707(A))
Active High Push-Pull (MAX6702(A), MAX6706(A))
Dual Active Low/High Push-Pull (MAX6704, MAX6708)
Guaranteed Reset Valid to VCC = 1V
Immune to Short Falling VCC Transients
Low Cost, Few External Components

Specifications

Reset Thresh. (V) 0 to 1.21.2 to 1.81.8 to 2.52.5 to 3.33.3 to 5.5
Reset Out Active LowPush-Pull
tRESET (min) 85ms to 300ms
Watchdog Feature Input (WDI)Input/Output (WDI/WDO)
Watchdog Timeout 1s to 2s
Supervisor Features Adjustable Reset InputManual ResetPower Fail Comparator/Low Battery Detect
ICC (µA) (max) 25
Package/Pins SOT23/8
BudgetaryPrice (See Notes) 1.64


MAX6705ASKA+T Power Management ICs - PMIC by Analog Devices

MP SUPERVISOR W/ WATCHDOG DUAL SOT23-8

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Threshold Voltage -
No. of Supervisors / Monitors 2Monitors
Supply Voltage Min 1.2V
Supply Voltage Max 5.5V
Reset Type Manual Active-Low Push-Pull
Digital IC Case SOT-23
No. of Pins 8Pins
Delay Time 200ms
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Low-Voltage, SOT23, µP Supervi | Analog Devices
Mp Supervisor W/ Watchdog, Dual, Sot23-8 | Newark Electronics
MP SUPERVISOR W/ WATCHDOG, DUAL, SOT23-8 | element14

Frequently Asked Questions

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Is the MAX6705ASKA+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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