ADM809 データシートの表示（PDF） - Analog Devices

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ADM809

Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23

Analog Devices 

ADM803/ADM809/ADM810

ABSOLUTE MAXIMUM RATINGS

TA = 25°C, unless otherwise noted.

Table 2.

Parameter

VCC

RESET, RESET

Input Current

VCC

Output Current

RESET, RESET (Push-Pull)

RESET (Open Drain)

Rate of Rise, VCC

θJA Thermal Impedance

SC70

SOT-23

Lead Temperature (Soldering, 10 sec)

Vapor Phase (60 sec)

Infrared (15 sec)

Storage Temperature Range

Ratings

−0.3 V to +6 V

−0.3 V to VCC + 0.5 V

20 mA

20 mA

−0.3 V to +6.0 V

100 V/μs

146°C/W

270°C/W

300°C

215°C

220°C

−65°C to +150°C

Stresses above those listed under Absolute Maximum Ratings

may cause permanent damage to the device. This is a stress

rating only; functional operation of the device at these or any

other conditions above those indicated in the operational

section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect

device reliability.

Table 3. Reset Threshold Options

RESET Model

ADM8xxL

ADM8xxM

ADM8xxJ (ADM809/ADM810 Only)

ADM8xxT

ADM8xxS

ADM8xxR

ADM8xxZ

Threshold (V)

4.63

4.38

4.00

3.08

2.93

2.63

2.32

VCC

VREF

VREF

VREF

RESET

t1

t1

t1 = RESET TIME = 240ms TYP

VREF = RESET VOLTAGE THRESHOLD

Figure 2. Power Fail Reset Timing

ESD CAUTION

VREF

Rev. H | Page 4 of 12

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