SA56004GD datasheet(1/36 Pages) NXP

部件名	SA56004GD

功能描述	짹1 째C accurate, SMBus-compatible, 8-pin, remote/local digital temperature sensor with overtemperature alarms

PDF	36 Pages

Scroll/Zoom	100%

制造商	NXP [NXP Semiconductors]

网页	http://www.nxp.com

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1 / 36 page

1.

General description

The NXP Semiconductors SA56004X is an SMBus compatible, 11-bit remote/local digital

temperature sensor with overtemperature alarms. The remote channel of the SA56004X

monitors a diode junction, such as a substrate PNP of a microprocessor or a diode

connected transistor such as the 2N3904 (NPN) or 2N3906 (PNP). With factory trimming,

remote sensor accuracy of

±1 °C is achieved.

Undertemperature and overtemperature alert thresholds can be programmed to cause

the ALERT output to indicate when the on-chip or remote temperature is out of range. This

output may be used as a system interrupt or SMBus alert. The T_CRIT output is activated

when the on-chip or remote temperature measurement rises above the programmed

T_CRIT threshold register value. This output may be used to activate a cooling fan, send a

warning or trigger a system shutdown. To further enhance system reliability, the

SA56004X employs an SMBus time-out protocol. The SA56004X has a unique device

architecture.

The SA56004X is available in the SO8, TSSOP8 and HVSON8 packages. SA56004X has

8 factory-programmed device address options. The SA56004X is pin-compatible with the

LM86, MAX6657/8, and ADM1032.

2.

Features

I Accurately senses temperature of remote microprocessor thermal diodes or diode

connected transistors within

±1 °C

I On-chip local temperature sensing within ±2 °C

I Temperature range of −40 °C to +125 °C

I 11-bit, 0.125 °C resolution

I 8 different device addresses are available for server applications. The SA56004ED

with marking code 56004E, and SA56004EDP with marking code 6004E are address

compatible with the National LM86, the MAX6657/8 and the ADM1032.

I Offset registers available for adjusting the remote temperature accuracy

I Programmable under/overtemperature alarms: ALERT and T_CRIT

I SMBus 2.0 compatible interface, supports TIMEOUT

I Operating voltage range: 3.0 V to 3.6 V

I I2C-bus Standard-mode and Fast-mode compatible

I SO8, TSSOP8 and HVSON8 packages

I Programmable conversion rate (0.0625 Hz to 26 Hz)

I Undervoltage lockout prevents erroneous temperature readings

I Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA

SA56004X

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

temperature sensor with overtemperature alarms

Rev. 05 — 22 May 2008

Product data sheet

类似零件编号 - SA56004GD

制造商	部件名	数据表	功能描述
NXP Semiconductors	SA56004GD	219Kb / 23P	1 Degrees Celcious accurate, SMBus-compatible, 8-pin, remote/local digital temperature sensor with over temperature alarms 2004 Oct 06
NXP Semiconductors	SA56004GDP	219Kb / 23P	1 Degrees Celcious accurate, SMBus-compatible, 8-pin, remote/local digital temperature sensor with over temperature alarms 2004 Oct 06

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