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MAX6628

更新时间： 2024-09-24 23:51:15
品牌 Logo 应用领域
美信 - MAXIM 传感器温度传感器
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9页 152K
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Remote ±.1°.C Accurate Digital Temperature Sensors with SPI-Compatible Serial Interface

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MAX6628 数据手册

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19-2032; Rev 1; 7/01  
Remote ±±1° Accurate Diꢀital ꢁemperature  
Sensors with SPI-°ompatible Serial Interface  
General Description  
Features  
The MAX6627/MAX6628 precise digital temperature  
sensors report the temperature of a remote sensor. The  
remote sensor is a diode-connected transistor, typically  
a low-cost, easily mounted 2N3904 NPN type that  
replaces conventional thermistors or thermocouples.  
The MAX6627/MAX6628 can also measure the die tem-  
perature of other ICs, such as microprocessors (µPs) or  
microcontrollers (µCs) that contain an on-chip, diode-  
connected transistor.  
ꢀ Accuracy  
±±1° ꢀ(aꢁx ꢂrꢃ( ꢄ1° ≤ T ≤ +±251°, T = +3ꢄ1°  
RJ  
A
±2ꢅ.1° ꢀ(aꢁx ꢂrꢃ( ꢆ551° ≤ T ≤ +±ꢄꢄ1°,  
RJ  
ꢄ1° ≤ T ≤ +7ꢄ1°  
A
ꢀ ±2ꢆBit + Sign, ꢄꢅꢄ6251° Resꢃlutiꢃn  
ꢀ Lꢃw Pꢃwer °ꢃnsu(ptiꢃn  
3ꢄµA ꢀtypx ꢀMAX6628x  
2ꢄꢄµA ꢀtypx ꢀMAX6627x  
Remote accuracy is ±±1C when the temperature of the  
remote diode is between 01C and +±251C and the tem-  
perature of the MAX6627/MAX6628 is +301C. The tem-  
perature is converted to a ±2-bit + sign word with  
0.06251C resolution. The architecture of the device is  
capable of interpreting data as high as +±451C from  
the remote sensor. The MAX6627/MAX6628 tempera-  
ture should never exceed +±251C.  
ꢀ Operating Te(perature Range ꢀꢆ551° tꢃ +±251°x  
ꢀ Measure(ent Te(perature Range, Re(ꢃte  
Junctiꢃn ꢀꢆ551° tꢃ +±.51°x  
ꢀ ꢄꢅ5s ꢀMAX6627x ꢃr 8s ꢀMAX6628x °ꢃnversiꢃn Rate  
ꢀ SPIꢆ°ꢃ(patible Interꢂace  
ꢀ +3ꢅꢄV tꢃ +5ꢅ5V Supply Range  
ꢀ 8ꢆPin SOT23 Package  
These sensors are 3-wire serial interface SPI™ compat-  
ible, allowing the MAX6627/MAX6628 to be readily con-  
nected to a variety of µCs. The MAX6627/MAX6628 are  
read-only devices, simplifying their use in systems  
where only temperature data is required.  
Orderinꢀ Information  
Two conversion rates are available, one that continu-  
ously converts data every 0.5s (MAX6627), and one  
that converts data every 8s (MAX6628). The slower ver-  
sion provides minimal power consumption under all  
operating conditions (30µA, typ). Either device can be  
read at any time and provide the data from the last con-  
version.  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
TEMP. RANGE  
MAX6627MKA-T -551C to +1251C 8 SOT23-8  
MAX6628MKA-T -551C to +1251C 8 SOT23-8  
AAEQ  
AAER  
ꢁypical Operatinꢀ °ircuit  
Both devices operate with supply voltages between  
+3.0V and +5.5V, are specified between -551C and  
+±251C, and come in the space-saving 8-pin SOT23  
package.  
+ 3V TO + 5.5V  
0.1µF  
V
CC  
GND  
Applications  
Hard Disk Drive  
MAX6627  
MAX6628  
Smart Battery Packs  
Automotive  
SDO  
Industrial Control Systems  
Notebooks, PCs  
2200pF  
2200pF  
DXP  
DXN  
µC  
CS  
SPI is a trademark of Motorola, Inc.  
SCK  
Pin Configuration appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
±
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...9

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MAX6628MKA+T MAXIM

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 		Remote 【1∑C Accurate Digital Temperature Sens
MAX6628MTA MAXIM

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 		Remote 1C Accurate Digital Temperature Remote
MAX6628MTA+T MAXIM

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 		Remote 【1∑C Accurate Digital Temperature Sens
MAX6628MTAT MAXIM

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 		Remote 1C Accurate Digital Temperature Remote
MAX6629 MAXIM

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 		12-Bit Sign Digital Temperature Sensors with Serial Interface
MAX6629 ADI

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 		12位 + 符号位数字温度传感器，串行接口

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