ADT7302 データシートの表示（PDF） - Analog Devices

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ADT7302

±2°C Accurate, Micropower Digital Temperature Sensor

Analog Devices 

ABSOLUTE MAXIMUM RATINGS

Table 3.

Parameter

Rating

VDD to GND

−0.3 V to +7 V

Digital Input Voltage to GND

−0.3 V to VDD + 0.3 V

Digital Output Voltage to GND

−0.3 V to VDD + 0.3 V

Operating Temperature Range

−40°C to +125°C

Storage Temperature Range

−65°C to +150°C

Junction Temperature

150°C

6-Lead SOT-23 (RJ-6)

Power Dissipation1

WMAX = (TJ max − TA2)/θJA

Thermal Impedance

θJA, Junction-to-Ambient (Still Air) 190.4°C/W

8-Lead MSOP (RM-8)

Power Dissipation1

Thermal Impedance3

WMAX = (TJ max − TA2)/θJA

θJA, Junction-to-Ambient (Still Air) 205.9°C/W

θJC, Junction-to-Case

43.74°C/W

IR Reflow Soldering

Peak Temperature

220°C (0°C/5°C)

Time at Peak Temperature

10 sec to 20 sec

Ramp-up Rate

3°C/sec max

Ramp-down Rate

−6°C/sec

Time 25°C to Peak Temperature

6 minutes max

IR Reflow Soldering—Pb-Free Package

Peak Temperature

260°C (0°C)

Time at Peak Temperature

20 sec to 40 sec

Ramp-Up Rate

3°C/sec max

Ramp-Down Rate

−6°C/sec max

Time 25°C to Peak Temperature

8 minutes max

1 Values relate to the package being used on a standard 2-layer PCB. Refer

to Figure 3 for a plot of maximum power dissipation vs. ambient

temperature (TA).

2 TA = ambient temperature.

3 Junction-to-case resistance is applicable to components featuring a

preferential flow direction, for example, components mounted on a heat

sink. Junction-to-ambient resistance is more useful for air-cooled, PCB-

mounted components.

ADT7302

Stresses above those listed under Absolute Maximum Ratings

may cause permanent damage to the device. This is a stress

rating only; functional operation of the device at these or any

other conditions above those indicated in the operational

section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect

device reliability

1.2

1.0

0.8

SOT-23

0.6

0.4

MSOP

0.2

0

TEMPERATURE (°C)

Figure 3. Maximum Power Dissipation vs. Temperature

ESD CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on

the human body and test equipment and can discharge without detection. Although this product features

proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy

electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance

degradation or loss of functionality.

Rev. 0 | Page 5 of 16

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