ZCC575a数字温度传感器替代lm75

四维电子

Features
* H' m% m9 w, s0 O; M* hTemperature accuracy
6 `3 F; r) q( n, E; x5 m‐±1℃ from -20℃~ 80℃
‐±2℃ from -40℃~ 125℃
Low power consumption
; Y' P% O2 f  C‐4.5uA shutdown current at VDD=5.0V
- _/ k; b; N. }- O, B. I5 u‐125uA continuous conversion current
2.2~8.0V ultra-wide operation supply voltage
; [" V6 V5 k. i, A" ~. |High PSR in temperature monitoring
* o$ e! D7 U8 wI2C &SMBus digital communication inteRFace
$ q/ K  b9 s% O% S/ q( S; V7 cLM75 function and register compatible
- v1 r3 I$ H* k2 ]0.0625℃ temperature resolution
Support up to 32 devices by A0/A1/A2 pinhardware configuration
OS pin open-drain alert and interrupt multi-function
6 a4 A' k1 ~7 ]( y5 ^OS output polarity configuration
Embedded one-shot conversion mode
: }: R- v! I/ _" MApplications
3 j; G3 W& s+ ^$ K+ A( F9 XHome appliance thermal control
: D; a8 K4 ?1 l) @: L) k+ |Server board temperature monitoring
) n& w0 i5 Q7 T. {/ }3 tThermostat control
% y: I9 ?  s( c) B7 ~% n& wEnvironmental temperature monitoring
& ^: }( G3 I. m# n% GElectronic equipment and facilities
General system thermal management
3 A$ W0 W% ~+ t. CDescription
The ZCC575 is a digital-type high-accurate on-chip
integrated temperature sensor chip with an
5 w$ A, Z% U8 a0 zintegrated high resolution sigma-delta converter and
' ~0 ]  E, E  D* X# a  U* O" yI2C/SMBus digital interface. It is register and function
2 }5 e8 J/ O" X8 _compatible with industrial standard LM75 digital
. y9 x( \" @) h# }/ ftemperature sensor. ZCC575 is available in E-MSOP8
package, it offers hardware pin and firmware
/ C8 u3 J" J% _compatibility to easy upgrade from LM75x design.
Digital communication 2-wire interface which
0 X; K2 V% R/ y9 D3 K: t+ c0 S$ xoperates up to 400KHz of fast mode and 2.5MHz of
$ L. T- G8 b9 U! M1 s& whigh-speed mode. There are 3 hardware address pins,
A0/A1/A2, which could configure the I2C address
externally. The ZCC575 has a dedicated
- m. Q4 X+ b/ c) R- l4 ]. Eover-temperature shutdown output (OS) pin with
programmable higher or lower limit in hysteresis.
The OS pin could also be output polarity reverse by
; j) f2 C- o: X, Y3 T1 W7 Fconfigure POL register bit setting in configuration
register. There is a consecutive fault measurements
function which could be programmed by
7 |( V5 N. T) H' `( O* g& e6 S  `/ U9 Z1/2/3/4counts. The OS pin will enabled if the
temperature conversion data is over the pre-set
limitation value continuously, and satisfies the FQ[1:0]
) y- v6 {: {* [; kresister setting.

) b4 S. a" l: \! N4 l! }