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

3

SIMPLIFIED SYSTEM DIAGRAM

SL02018

1

2

3

4

8

7

6

5

D+

D–

T_CRIT

SCLK

SDATA

ALERT

GND

SA56004X

R

10 k

Ω

R

10 k

Ω

R

10 k

Ω

SMBus

CONTROLLER

GND

CLOCK

DATA

INT

SHIELDED TWISTED PAIR

REMOTE

SENSOR

FAN CONTROL

CIRCUIT

+5 V

100 nF

2.2 nF

(Note 1)

R

10 k

Ω

2N3904 (NPN), 2N3906 (PNP),

or similar standalone, ASIC, or

mircroprocessor thermal diode

NOTE:

1. Typical value; placed close to temperature sensor.

Figure 1. Simplified system diagram.

ORDERING INFORMATION

TYPE NUMBER

PACKAGE

VERSION

TEMPERATURE

TYPE NUMBER

NAME

DESCRIPTION

VERSION

RANGE

SA56004XD

SO8

plastic small outline package; 8 leads; body width 3.9 mm

SOT96-1

0

°C to +125 °C

SA56004XDP

TSSOP8

plastic thin shrink small outline package; 8 leads; body width 3 mm

SOT505-1

0

°C to +125 °C

NOTE:

There are 8 device slave address options (indicated by ‘X’ in the Type Number, and described in Table 1).

Table 1. Device slave address options

Part number

Marking code

Part number

Marking code

SA56004AD

SA56004ADP

56004A

6004A

1001000

56004E

6004E

1001100

SA56004BD

SA56004BDP

56004B

6004B

1001001

SA56004FD

SA56004FDP

56004F

6004F

1001101

SA56004CD

SA56004CDP

56004C

6004C

1001010

SA56004GD

SA56004GDP

56004G

6004G

1001110

SA56004DD

SA56004DDP

56004D

6004D

1001011

SA56004HD

SA56004HDP

56004H

6004H

1001111

NOTES:

1. The device slave address is factory-programmed in OTP device address register.

2. The SA56004ED/EDP has the bus address of the National LM86, MAX6657/8 and the ADM1032.