Voltage Supervisors | MAX707

MicroPower Voltage Supervisor with Active High and Active Low Complementary Outputs

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Overview

The MAX707/708 are cost-effective system supervisor circuits designed to monitor Vcc in digital systems and provide a reset signal to the host processor when necessary. No external components are required.

The reset output is driven active within 20 ? sec of Vcc falling through the reset voltage threshold. Reset is maintained with 200 mS of delay time after Vcc rise above the reset threshold. The MAX707/708 have a low quiescent current of 12 ?A at Vcc = 3.3 V, an active-high RESET and active-low RESET with a push-pull output.

The output is guaranteed valid down to Vcc = 1.0 V. The MAX707/708 have a Manual Reset MR input and a +1.25 V threshold detector for power-fail input PFI. These devices are available in a Micro8 and SOIC-8 package.

  • Computers
  • Embedded System
  • Battery Powered Equipment
  • Critical µP Power Supply Monitor
  • Precision Supply-Voltage Monitor
    MAX707: 4.63 V Reset Threshold Voltage
    MAX708: Standard Reset Threshold Voltages (Typical): 4.38 V, 3.08 V, 2.93 V, 2.63 V
  • Reset Threshold Available from 1.6 V to 4.9 V with 100 mV Increments (Factory Option)
  • 200 mS (Typ) Reset Timeout Delay
  • 12 µA (Vcc = 3.3 V) Quiescent Current
  • Active_High and Active_Low Reset Output
  • Guaranteed RESET_L and RESET Output Valid to Vcc = 1.0 V
  • Voltage Monitor for Power-Fail or Low-Battery Warning
  • 8 Pin SO or Micro8 Package
  • Pb-Free Packages are Available

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Status

CAD Models

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Voltages Monitored

VCC Max (V)

V(TO) Typ (V)

IQ Typ (µA)

Reset Active State

Reset Timer

Manual Reset

Watchdog Timer

Pricing ($/Unit)

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MAX707ESA-T

Obsolete

Pb

A

H

P

SOIC-8

751-07

1

235

REEL

2500

N

2

5.5

4.63

12

Low

No

Yes

No

Price N/A

More Details

MAX707CUA-TG

Obsolete

Pb

A

H

P

Micro8

846A-02

1

260

REEL

4000

N

2

5.5

4.63

12

Low

No

Yes

No

Price N/A

More Details

MAX707CUA-T

Obsolete

Pb

A

H

P

Micro8

846A-02

1

235

REEL

4000

N

2

5.5

4.63

12

Low

No

Yes

No

Price N/A

More Details

MAX707ESA-TG

Obsolete

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

2

5.5

4.63

12

Low

No

Yes

No

Price N/A

More Details

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