Philips Semiconductors

Product data sheet

SA56004X

±1 °C accurate, SMBus-compatible, 8-pin, remote/local

digital temperature sensor with over temperature alarms

2004 Oct 06

5

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Local temperature error

–2

±1

+2

°C

–3

–

+3

°C

Remote temperature error

–1

–

+1

°C

–3

–

+3

°C

Remote temperature resolution

–

11

–

bits

–

0.125

–

°C

Local temperature resolution

–

11

–

bits

–

0.125

–

°C

Conversion time

–

38

–

ms

3.0

–

5.5

V

Quiescent current

During conversion, 16 Hz conversion rate

–

500

–

µA

Shutdown current

SMBus inactive

–

10

–

µA

Remote diode source current

High setting: D+ – D– = +0.65 V

–

160

–

µA

Low setting

–

10

–

µA

UVL

Undervoltage lockout (UVL)

2.6

–

2.95

V

Power-on-Reset (POR) threshold

voltage

1.8

–

2.4

V

Local and Remote ALERT HIGH

default temperature settings

Default values set at power-up

–

+70

–

°C

Local and Remote ALERT LOW

default temperature settings

Default values set at power-up

–

0

–

°C

Local and Remote T_CRIT

default temperature settings

Default values set at power-up

–

+85

–

°C

Hystersis (T_CRIT)

Default value set at power-up

–

+10

–

°C

ALERT and T_CRIT output

saturation voltage

–

–

0.4

V

NOTES:

minimum of 200 mV above the power-on-reset. During the time that it is disabled, the temperature that is in the “read temperature registers”

will remain at the value that it was before the A/D was disabled. This is done to eliminate the possibility of reading unexpected false

in the “read temperature registers” will be the default value of 0

correctly and the normal temperature will be read.