ADT7408CCPZ-REEL7(RevA) Просмотр технического описания (PDF) - Analog Devices

Номер в каталоге

Компоненты Описание

производитель

ADT7408CCPZ-REEL7
(Rev.:RevA)

±2°C Accurate, 12-Bit Digital Temperature Sensor

Analog Devices 

Data Sheet

ADT7408

SPECIFICATIONS

All specifications 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 ≤ TA ≤ 95°C, 3.0 V ≤ VDD ≤ 3.6 V active range

±1

±3.0 °C

40°C ≤ TA ≤ 125°C, 3.0 V ≤ VDD ≤ 3.6 V monitor range

±1

±4.0 °C

−20°C ≤ TA ≤ 125°C, 3.0 V ≤ VDD ≤ 3.6 V

ADC Resolution

12

Bits

Temperature Resolution

0.0625

°C

Temperature Conversion Time

60

125 ms

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 V

IOL = 3 mA

Pin Capacitance

10

pF

High Output Leakage Current IOH

Rise Time1

tLH

Fall Time1

tHL

RON Resistance (Low Output)1

0.1

1

30

30

15

µA EVENT# = 3.6 V

ns

ns

Ω

Supply and temperature dependent

DIGITAL INPUTS

Input Current

IIH, IIL

−1

+1

µA

VIN = 0 V to VDD

Input Low Voltage

VIL

0.8 V

3.0 V ≤ VDD ≤ 3.6 V

Input High Voltage

VIH

2.1

SCL, SDA Glitch Rejection1

V

3.0 V ≤ VDD ≤ 3.6 V

50

ns

Input filtering suppresses noise spikes of less than 50 ns

Pin Capacitance1

10

pF

DIGITAL OUTPUT (OPEN DRAIN)

Output Low Current

IOL

6

mA SDA forced to 0.6 V

Output Low Voltage

VOL

0.4 V

3.0 V ≤ VDD ≤ 3.6 V at IOPULL_UP = 350 µA

Output High Voltage

Output Capacitance1

VOH

2.1

COUT

V

10

pF

POWER REQUIREMENTS

Supply Voltage

VDD

3.0 3.3

3.6 V

Average Supply Current

IDD

240 500 µA

Supply Current

IDD_CONV

360 550 µA Device current while converting

Shutdown Mode at 3.3 V

3

20

µA

Average Power Dissipation

PD

790

µW VDD = 3.3 V, normal mode at 25°C

1 Guaranteed by design and characterization, not production tested.

Rev. A | Page 3 of 22

Share Link: