DS1631/DS1631A/DS1731

3 of 14

ABSOLUTE MAXIMUM RATINGS*

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

* 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

PARAMETER

SYMBOL

CONDITION

MIN

MAX

UNITS NOTES

Supply Voltage

2.7

5.5

V

1

0°C to +70°C,

3.0V

±0.5

0°C to +70°C,

2.7V

±1

DS1631, DS1631A

Thermometer Error

-55°C to +125°C

±2

°C

2

-10°C to +85°C,

3.0V

±1

-10°C to +85°C,

2.7V

±1.5

DS1731

Thermometer Error

-55°C to +125°C

±2

°C

2

Low-Level Input

Voltage

-0.5

V

High-Level Input

Voltage

0.7 x

V

3mA sink current

0

0.4

SDA Low-Level

Output Voltage

6mA sink current

0

0.6

V

Input Current Each

I/O Pin

-10

+10

µA

Temperature

conversion

-55°C to +85°C

1

Temperature

conversion

+85°C to +125°C

1.25

mA

400

Active Supply

Current

Communication only

110

µA

3

Standby Supply

Current

0°C to +70°C

800

nA

4

1mA source current

2.4

V

1

Voltage

4mA sink current

0.4

V

1