DS1621

13 of 16

102299

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to Ground

–0.5V to +7.0V

Operating Temperature

–55

°C to +125°C

Storage Temperature

–55

°C to +125°C

Soldering Temperature

260

°C for 10 seconds

* This is a stress rating 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.

RECOMMENDED DC OPERATING CONDITIONS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Supply Voltage

2.7

5.5

V

1

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX

UNITS

NOTES

±½

°C

Thermometer Error

0°C to 70°C

-55°C to + 0°C

and

70°C to 125°C

See Typical Curve

11

Low Level Input

Voltage

0.5

V

High Level Input

Voltage

V

Pulse width of

spikes which must

be suppressed by

the input filter

Fast Mode

0

50

ns

3 mA Sink

Current

0

0.4

V

Low Level Output

Voltage

6 mA Sink

Current

0

0.6

V

Input Current each

I/O Pin

-10

10

µA

2

I/O Capacitance

10

pF

Active Supply

Current

Temperature

Conversion

E

Communi-

cation Only

1000

400

100

µA

3, 4

Standby Supply

Current

1

µA

3, 4

1 mA Source

2.4

V

Thermostat Output

Voltage

4 mA Sink

0.4

V