ADT6502 datasheet(3/16 Pages) AD

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Preliminary Technical Data

ADT6501/ADT6502/ADT6503/ADT6504

Rev. PrA | Page 3 of 16

SPECIFICATIONS

TA = TMIN to TMAX, VDD = 2.7 V to 5.5 V. All specifications for −45°C to +115°C, unless otherwise noted. Open-drain RPULL-UP = 100 kΩ.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

TEMPERATURE SENSOR AND ADC

Threshold Accuracy at VCC = 2.7 V to 5.5 V

±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

Long Term Drift

0.08

°C

Drift over 10 years, if part is operated at +55°C

Temperature Hysteresis

+0.03

°C

Temperature cycle = 25°C to 125°C to 25°C

Temperature Threshold Hysteresis

°C

DIGITAL INPUT (HYST)

Input Low Voltage, VIL

0.2 × VCC

Input High Voltage, VIH

0.8 × VCC

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

Output Low Voltage, VOL

0.4

IOL = 3.2 mA, Vcc = 4.5 V

Output Capacitance, COUT1

DIGITAL OUTPUT (Push-Pull)

Output Low Voltage, VOL

0.3

IOL = 1.2 mA, Vcc = 2.7 V

Output Low Voltage, VOL

0.4

IOL = 3.2 mA, Vcc = 4.5 V

Output High Voltage, VOH

0.8 × VCC

ISOURCE = 500

μA, V

= 2.7 V

Output High Voltage, VOH

VCC – 1.5

ISOURCE = 800

μA, V

= 4.5 V

Output Capacitance, COUT11

POWER REQUIREMENTS

Supply Voltage

2.7

5.5

Supply Current

μA

1 Guaranteed by design and characterization.

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