ADM6306D344ARJZ-R7 datasheet(3/12 Pages) AD

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Data Sheet

ADM6305/ADM6306

Rev. A | Page 3 of 12

SPECIFICATIONS

VCC = 2.5 V to 5 V for the ADM6305, VCC = (VTH + 2.5%) to 5.5 V for the ADM6306. TA = −40°C to +125°C, unless otherwise noted.

Typical values are at TA = 25°C.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

OPERATING VOLTAGE RANGE, VCC1

0.9

5.5

0.9

VCC that guarantees valid output

INPUT CURRENT, ICC

µA

VCC = 5.5 V, TA = −40°C to +85°C

µA

VCC = 5.5 V, TA = −40°C to +125°C

VCC THRESHOLD VOLTAGE (ADM6306)2

VTH − 1%

VTH

VTH + 1%

TA = 25°C

VTH − 1.5%

VTH

VTH + 1.5%

TA = −40°C to +85°C

VTH − 2.5%

VTH

VTH + 2.5%

TA = −40°C to +125°C

RESET THRESHOLD TEMPERATURE COEFFICIENT

ppm/°C

RESET THRESHOLD HYSTERESIS (VHYST)

2 × VTH

RESET TIMEOUT PERIOD (tRP)

ADM630xD1

1.0

1.4

2.0

ADM630xD2

ADM630xD3

140

200

280

ADM630xD4

1120

1570

2240

RESET OUTPUT VOLTAGE (VOL)

0.4

VCC > 4.25 V, ISINK = 3.2 mA

0.3

VCC > 2.5 V, ISINK = 1.2 mA

0.3

VCC > 1.2 V, ISINK = 500 μA

0.3

VCC > 1 V, ISINK = 50 μA

0.3

VCC > 0.9 V, ISINK = 25 μA

MR INPUT (ADM6306)

VIL

0.8

VTH > 4.0 V

0.3 × VCC

VTH < 4.0 V

VIH

2.4

VTH > 4.0 V

0.7 × VCC

VTH < 4.0 V

MR Minimum Input Pulse Width

µs

TA = 0°C to +70°C

1.5

µs

TA = −40°C to +125°C

MR Glitch Rejection

0.1

µs

MR To Reset Delay

500

MR Pull-Up Resistance

63.5

100

kΩ

1.23 V ADJUSTABLE RESET COMPARATOR INPUT

RST INx Input Threshold, VRSTH

1.22

1.23

1.24

TA = 25°C

1.211

1.23

1.249

TA = −40°C to +85°C

1.20

1.26

TA = −40°C to +125°C

RST INx Input Current, IRSTINx

−25

+25

0 V < VRST IN < VCC – 0.3 V3, TA = −40°C to +85°C

−25

+25

VRST IN = VRSTH

RST INx Hysteresis

2.5

0.4 V ADJUSTABLE RESET COMPARTOR INPUT

RST INx Input Threshold, VRSTH

0.396

0.40

0.404

TA = 25°C

0.394

0.40

0.406

TA = −40°C to +85°C

0.39

0.40

0.41

TA = −40°C to +125°C

RST INx Input Current, IRSTINx

−25

+25

0 V < VRST INx < VCC – 0.3 V3, TA = −40°C to +85°C

−25

+25

VRST IN = VRSTH

1 The ADM6305 switches from undervoltage reset to normal operation when 1.5 V > V

CC < 2.5 V.

2 The AMD6306 monitors V

CC through an internal factory trimmed voltage divider, which programs the nominal reset threshold. Factory-trimmed reset thresholds are

available in approximately 100 mV increments from 2.5 V to 5 V.

3 Guaranteed by design.

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