Voltage on any Pin Relative to Ground................-0.5V to +6.0V

Operating Temperature Range......................... -55°C to +125°C

Storage Temperature Range............................ -55°C to +125°C

Solder Dip Temperature (10s) .......See IPC/JEDEC J-STD-020A

Specification

Reflow Oven Temperature...............................................+220°C

PARAMETER

SYMBOL

CONDITION

MIN

MAX

UNITS

Supply Voltage

(Note 1)

2.7

5.5

V

DS1631, DS1631A

Thermometer Error (Note 2)

0°C to +70°C,

±0.5

°C

0°C to +70°C,

±1

-55°C to +125°C

±2

DS1731 Thermometer Error

(Note 2)

-10°C to +85°C,

±1

°C

-10°C to +85°C,

±1.5

-55°C to +125°C

±2

Low-Level Input Voltage

-0.5

V

High-Level Input Voltage

V

SDA Low-Level Output

Voltage

3mA sink current

0

0.4

V

6mA sink current

0

0.6

Input Current Each I/O Pin

-10

+10

µA

Active Supply Current (Note 3)

Temperature conversion

-55°C to +85°C

1

mA

Temperature conversion

+85°C to +125°C

1.25

400

µA

Communication only

110

Standby Supply Current

0°C to +70°C (Note 4)

800

nA

1mA source current (Note 1)

2.4

V

4mA sink current (Note 1)

0.4

V

DS1631/DS1631A/

DS1731

High-Precision Digital

Thermometer and Thermostat

www.maximintegrated.com

Maxim Integrated │ 2

Absolute Maximum Ratings

*These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure

to absolute maximum rating conditions for extended periods of time may affect reliability.

DC Electrical Characteristics