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ADT7410

±0.5°C Accurate, 16-Bit Digital I²C Temperature Sensor

Analog Devices 

SPECIFICATIONS

TA = −55°C to +150°C, VDD = 2.7 V to 5.5 V, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

TEMPERATURE SENSOR AND ADC

Accuracy1

±0.5

±0.7

±0.8

±1.0

ADC Resolution

13

16

Temperature Resolution

13-Bit

0.0625

16-Bit

0.0078

Temperature Conversion Time

240

Fast Temperature Conversion Time

6

1 SPS Conversion Time

60

Temperature Hysteresis

0.02

Repeatability

0.01

DC PSRR

0.1

DIGITAL OUTPUTS (OPEN DRAIN)

High Output Leakage Current, IOH

0.1

5

Output High Current

1

Output Low Voltage, VOL

0.4

Output High Voltage, VOH

0.7 × VDD

Output Capacitance, COUT

3

DIGITAL INPUTS

Input Current

±1

Input Low Voltage, VIL

0.4

Input High Voltage, VIH

0.7 × VDD

SCL, SDA Glitch Rejection

50

Pin Capacitance

5

10

POWER REQUIREMENTS

Supply Voltage

2.7

5.5

Supply Current

At 3.3 V

210

250

At 5.5 V

230

300

1 SPS Current

At 3.3 V

46

At 5.5 V

65

Shutdown Current

At 3.3 V

2.0

15

At 5.5 V

4.4

25

Power Dissipation Normal Mode

700

Power Dissipation 1 SPS

150

1 Accuracy includes lifetime drift.

ADT7410

Unit Test Conditions/Comments

°C

TA = −40°C to +105°C, VDD = 2.7 V to 3.6 V

°C

TA = −55°C to +150°C, VDD = 2.7 V to 3.6 V

°C

TA = −40°C to +105°C, VDD = 4.5 V to 5.5 V

°C

TA = −55°C to +150°C, VDD = 2.7 V to 5.5 V

Bits Twos complement temperature value of the sign bit

plus 12 ADC bits (power-up default resolution)

Bits Twos complement temperature value of the sign bit

plus 15 ADC bits (Bit 7 = 1 in the configuration register)

°C

13-bit resolution (sign + 12-bit)

°C

16-bit resolution (sign + 15-bit)

ms Continuous conversion and one-shot conversion modes

ms First conversion on power-up only

ms Conversion time for 1 SPS mode

°C

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

°C

TA = 25°C

°C/V TA = 25°C

μA CT and INT pins pulled up to 5.5 V

mA VOH = 5.5 V

V

IOL = 2 mA @ 5.5 V, IOL = 1 mA @ 3.3 V

V

pF

μA

VIN = 0 V to VDD

V

V

ns

Input filtering suppresses noise spikes of less than 50 ns

pF

V

μA Peak current while converting, I2C interface inactive

μA Peak current while converting, I2C interface inactive

μA

VDD = 3.3 V, 1 SPS mode, TA = 25°C

μA

VDD = 5.5 V, 1 SPS mode, TA = 25°C

μA Supply current in shutdown mode

μA Supply current in shutdown mode

μW VDD = 3.3 V, normal mode at 25°C

μW Power dissipated for VDD = 3.3 V, TA = 25°C

Rev. 0 | Page 3 of 24

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