ADT6402 datasheet(3/12 Pages) AD

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ADT6401/ADT6402

Rev. 0 | Page 3 of 12

SPECIFICATIONS

TA = −55°C to +125°C, VCC = 2.7 V to 5.5 V, open-drain RPULL-UP = 10 kΩ, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

TEMPERATURE SENSOR AND ADC

Threshold Accuracy

±0.5

±6

°C

TA = −45°C to −25°C

±0.5

±4

°C

TA = −15°C to +15°C

±0.5

±4

°C

TA = 35°C to 65°C

±0.5

±6

°C

TA = 75°C to 115°C

ADC Resolution

Bits

Temperature Conversion Time

Time necessary to complete a conversion

Update Rate

600

Conversion started every 600 ms

Temperature Threshold Hysteresis

°C

Pin selectable, depends on S0, S1, S2 settings

°C

Pin selectable, depends on S0, S1, S2 settings

DIGITAL OUTPUT (OPEN-DRAIN)

Output High Current, IOH

Leakage current, VCC = 2.7 V and VOH = 5.5 V

Output Low Voltage, VOL

0.3

IOL = 1.2 mA, VCC = 2.7 V

0.4

IOL = 3.2 mA, VCC = 4.5 V

Output Capacitance, COUT1

RPULL-UP = 10 kΩ

DIGITAL OUTPUT (PUSH-PULL)

Output Low Voltage, VOL

0.3

IOL = 1.2 mA, VCC = 2.7 V

0.4

IOL = 3.2 mA, VCC = 4.5 V

Output High Voltage, VOH

0.8 × VCC

ISOURCE = 500 μA, VCC = 2.7 V

VCC − 1.5

ISOURCE = 800 μA, VCC = 4.5 V

Output Capacitance, COUT1

POWER REQUIREMENTS

Supply Voltage

2.7

5.5

Supply Current

μA

1 Guaranteed by design and characterization.

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