ADT7408CCPZ-R2 datasheet(3/24 Pages) AD

3 / 24 page

ADT7408

Rev. 0 | Page 3 of 24

SPECIFICATIONS

All specific

ations TA = −20°C to +125°C, VDD = 3.0 V to 3.6 V, unless otherwise noted.

Table 1.

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

TEMPERATURE SENSOR AND ADC

Local Sensor Accuracy (C Grade)

±0.5

±2.0

°C

75°C

≤ T

≤ 95°C, 3.0 V ≤ V

≤ 3.6 V active range

±1

±3.0

°C

40°C

≤ T

≤ 125°C, 3.0 V ≤ V

≤ 3.6 V monitor range

±1

±4.0

°C

−20°C

≤ T

≤ 125°C, 3.0 V ≤ V

≤ 3.6 V

ADC Resolution

Bits

Temperature Resolution

0.0625

°C

Temperature Conversion Time

125

Long Term Drift

0.081

°C

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

EVENT# OUTPUT (OPEN DRAIN)

Output Low Voltage, VOL

0.4

IOL = 3 mA

Pin Capacitance

High Output Leakage Current

IOH

0.1

μA

EVENT# = 3.6 V

Rise Time1

tLH

Fall Time1

tHL

RON Resistance (Low Output)1

Supply and temperature dependent

DIGITAL INPUTS

Input Current

IIH, IIL

−1

μA

VIN = 0 V to VDD

Input Low Voltage

VIL

0.8

3.0 V

≤ V

≤ 3.6 V

Input High Voltage

VIH

2.1

3.0 V

≤ V

≤ 3.6 V

SCL, SDA Glitch Rejection1

Input filtering suppresses noise spikes of less than 50 ns

Pin Capacitance1

DIGITAL OUTPUT (OPEN DRAIN)

Output Low Current

IOL

SDA forced to 0.6 V

Output Low Voltage

VOL

0.4

3.0 V

≤ V

≤ 3.6 V at I

OPULL_UP

= 350

μA

Output High Voltage

VOH

2.1

Output Capacitance1

COUT

POWER REQUIREMENTS

Supply Voltage

VDD

3.0

3.3

3.6

Average Supply Current

IDD

240

500

μA

Supply Current

IDD_CONV

360

550

μA

Device current while converting

Shutdown Mode at 3.3 V

μA

Average Power Dissipation

790

μW

VDD = 3.3 V, normal mode at 25°C

1 Guaranteed by design and characterization, not production tested.

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