ADT75ARMZ datasheet(5/25 Pages) AD

5 / 25 page

ADT75

Data Sheet

Rev. B | Page 4 of 24

SPECIFICATIONS

A GRADE

TA = TMIN to TMAX, VDD = 2.7 V to 5.5 V. All specifications for −55°C to +125°C, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

TEMPERATURE SENSOR AND ADC

Accuracy at V

DD = 2.7 V to 5.5 V

±2

°C

A = −25°C to +100°C

±3

°C

A = −55°C to +100°C

Accuracy at V

DD = 2.7 V to 3.6 V

±3

°C

A = 100°C to 125°C

Accuracy at V

DD = 4.5 V to 5.5 V

±2

°C

A = 100°C to 125°C

ADC Resolution

Bits

Temperature Resolution

0.0625

°C

Temperature Conversion Time

Update Rate

100

Conversion started every 100 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

OS/ALERT OUTPUT (OPEN DRAIN)

Output Low Voltage, V

0.4

OL = 3 mA

Pin Capacitance

High Output Leakage Current, I

0.1

µA

OS/ALERT pin pulled up to 5.5 V

ON Resistance (Low Output)

Ω

Supply and temperature dependent

DIGITAL INPUTS

Input Current

±1

µA

IN = 0 V to VDD

Input Low Voltage, V

0.3 × V

Input High Voltage, V

0.7 × V

SCL, SDA Glitch Rejection

Input filtering suppresses noise spikes of less than 50 ns

Pin Capacitance

DIGITAL OUTPUT (OPEN DRAIN)

Output High Current, I

OH = 5 V

Output Low Voltage, V

0.4

OL = 3 mA

Output High Voltage, V

0.7 × V

Output Capacitance, C

OUT

POWER REQUIREMENTS

Supply Voltage

2.7

5.5

Supply Current at 3.3 V

350

500

µA

Peak current while converting and I2C interface inactive

Supply Current at 5.0 V

380

525

µA

Peak current while converting and I2C interface inactive

Average Current at 3.3 V

200

µA

Part converting and I2C interface inactive

Average Current at 5.0 V

225

µA

Part converting and I2C interface inactive

Shutdown Mode at 3.3 V

µA

Supply current in shutdown mode

Shutdown Mode at 5.0 V

5.5

µA

Supply current in shutdown mode

Average Power Dissipation

798.6

µW

DD = 3.3 V, normal mode at 25°C

1 SPS

78.6

µW

Average power dissipated for V

DD = 3.3 V,

shutdown mode at 25°C

140

µW

Average power dissipated for V

DD = 5.0 V,

shutdown mode at 25°C

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