ADM811-3TART-RL7 datasheet(3/6 Pages) AD

Part #	ADM811-3TART-RL7

Description	Microprocessors Supervisory Circuit in 4-Lead SOT-143

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Data Sheet

ADM811/ADM812

Rev. G | Page 3 of 12

SPECIFICATIONS

VCC = full operating range; TA = TMIN to TMAX; VCC typical = 5 V for L/M models, 3.3 V for T/S models, 3 V for R model, 2.5 V for Z

models, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

SUPPLY

Voltage

1.0

5.5

V

TA = 0°C to 70°C

1.2

V

TA = −40°C to +85°C

Current

8

15

µA

VCC < 5.5 V, ADM81xL/M, IOUT = 0 mA

5

10

µA

VCC < 3.6 V, ADM81xR/S/T/Z, IOUT = 0 mA

RESET VOLTAGE THRESHOLD

ADM81xL

4.54

4.63

4.72

V

TA = 25°C

ADM81xL

4.50

4.75

V

TA = −40°C to +85°C

ADM81xM

4.30

4.38

4.46

V

TA = 25°C

ADM81xM

4.25

4.50

V

TA = −40°C to +85°C

ADM81xT

3.03

3.08

3.14

V

TA = 25°C

ADM81xT

3.00

3.15

V

TA = −40°C to +85°C

ADM81xS

2.88

2.93

2.98

V

TA = 25°C

ADM81xS

2.85

3.00

V

TA = −40°C to +85°C

ADM81xR

2.58

2.63

2.68

V

TA = 25°C

ADM81xR

2.55

2.70

V

TA = −40°C to +85°C

ADM81xZ

2.28

2.32

2.35

V

TA = 25°C

ADM81xZ

2.25

2.38

V

TA = −40°C to +85°C

RESET THRESHOLD TEMPERATURE COEFFICIENT

30

ppm/°C

VCC TO RESET/RESET DELAY

40

µs

VOD = 125 mV, ADM81xL/M

20

µs

VOD = 125 mV, ADM81xR/S/T/Z

RESET ACTIVE TIMEOUT PERIOD

140

560

ms

VCC = VTH(MAX)

300

700

ms

ADM811-3T only

MANUAL RESET

Minimum Pulse Width

10

µs

Glitch Immunity

100

ns

RESET/RESET Propagation Delay

0.5

µs

Pull-Up Resistance

10

20

30

kΩ

The Manual Reset Circuit Acts On

An Input Rising Above

2.3

V

VCC > VTH(MAX), ADM81xL/M

An Input Falling Below

0.8

V

VCC > VTH(MAX), ADM81xL/M

An Input Rising Above

0.7 × VCC

V

VCC > VTH(MAX), ADM81xR/S/T/Z

An Input Falling Below

0.25 × VCC

V

VCC > VTH(MAX), ADM81xR/S/T/Z

RESET/RESET Output Voltage

Low (ADM812R/S/T/Z)

0.3

V

VCC = VTH(MAX), ISINK = 1.2 mA

Low (ADM812L/M)

0.4

V

VCC = VTH(MAX), ISINK = 3.2 mA

High (ADM812R/S/T/Z/L/M)

0.8 × VCC

V

1.8 V < VCC < VTH(MIN), ISOURCE = 150 µA

Low (ADM811R/S/T/Z)

0.3

V

VCC = VTH(MIN), ISINK = 1.2 mA

Low (ADM811L/M)

0.4

V

VCC = VTH(MIN), ISINK = 3.2 mA

Low (ADM811R/S/T/Z/L/M)

0.3

V

VCC > 1.0 V, ISINK = 50 µA

High (ADM811R/S/T/Z)

0.8 × VCC

V

VCC > VTH(MAX), ISOURCE = 500 µA

High (ADM811L/M)

VCC × 1.5

V

VCC > VTH(MAX), ISOURCE = 800 µA

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