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MAX1668
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Parameters

Technical/Catalog InformationMAX1668MEE
VendorMaxim Integrated Products
CategorySensors, Transducers
Voltage - Supply3 V ~ 5.5 V
Package / Case16-QSOP
PackagingTube
Output Type2-Wire SMBus?
Sensing Temperature-55°C ~ 125°C
Lead Free StatusContains Lead
RoHS StatusRoHS Non-Compliant
Other Names MAX1668MEE
MAX1668MEE

Product Manufacturers Pack D/C
MAX1668 Maxim 00+ SSOP-16

Pinout/Connection Diagram

 

General Description

The MAX1668/MAX1805/MAX1989 are precise multichannel digital thermometers that report the temperature of all remote sensors and their own packages. The remote sensors are diode-connected transistors-typically low-cost, easily mounted 2N3904 NPN types-that replace conventional thermistors or thermocouples. Remote accuracy is ±3°C for multiple transistor manufacturers, with no calibration needed. The remote channels can also measure the die temperature of other ICs, such as microprocessors, that contain an on-chip, diode-connected transistor.

The 2-wire serial interface accepts standard system management bus (SMBus™) write byte, read byte, send byte, and receive byte commands to program the alarm thresholds and to read temperature data. The data format is 7 bits plus sign, with each bit corresponding to 1°C, in two's-complement format.

The MAX1668/MAX1805/MAX1989 are available in small, 16-pin QSOP surface-mount packages. The MAX1989 is also available in a 16-pin TSSOP.

Typical Application

Features
Desktop and Notebook ComputersLAN ServersIndustrial ControlsCentral-Office Telecom EquipmentTest and MeasurementMultichip Modules Multichannel 4 Remote, 1 Local (MAX1668/MAX1989) 2 Remote, 1 Local (MAX1805)No Calibration RequiredSMBus 2-Wire Serial InterfaceProgrammable Under/Overtemperature AlarmsSupports SMBus Alert ResponseAccuracy ±2°C (+60°C to +100°C, Local) ±3°C (-40°C to +125°C, Local) ±3°C (+60°C to +100°C, Remote)3µA (typ) Standby Supply Current700µA (max) Supply CurrentSmall, 16-Pin QSOP/TSSOP Packages

Maximum Ratings

VCC to GND............................................................-0.3V to +6V
DXP_, ADD_, STBY to GND........................-0.3V to (VCC + 0.3V)
DXN_ to GND .....................................................-0.3V to +0.8V
SMBCLK, SMBDATA,ALERT to GND..........................-0.3V to +6V
SMBDATA, ALERT Current .................................-1mA to +50mA
DXN_ Current...................................................................±1mA
Continuous Power Dissipation (TA = +70°C)
    QSOP (derate 8.30mW/°C above +70°C) ................667mW
    TSSOP (derate 9.40mW/°C above +70°C) ...............755mW
Operating Temperature Range ......................-55°C to +125°C
Junction Temperature...................................................+150°C
Storage Temperature Range .........................-65°C to +150°C
Lead Temperature (soldering, 10s) ..............................+300°C

Supplier

Select all
  Part Number Mfg Pack D/C Qty Note
MAX1668 MAXIM 37000 SSOP-16
  Crystal holding Electronic Co., Limited China (Mainland)
Contact: Mr. Li   MSN:crystaldz99@hotmail.com Tel: 86-755-83245210 Fax:
MAX1668 MAXIM SSOP 60 ICQ#426661950,http://99ictrade.taobao.com/"
  HongKong 99IC Trade Co.,Ltd. China (Mainland)
Contact: Ms. Wenggie Weng   MSN:w99ic@hotmail.com Tel: 86-755-83253970 Fax: 86-755-82500640
MAX1668 MAXIM SSOP 10+ 5000 New & Original
  HONGJIEXIN ELECTRONICS TECHNOLOGY(HK) LIMITED China (Mainland)
Contact: Mr. Jimmy   MSN:chuangpeng_11@hotmail.com Tel: 86-755-83748089 Fax: 86-755-83748089
MAX1668 MAXIM SSOP 60
  WELL-SOURCE COMPONENTS China (Mainland)
Contact: Ms. SUSIE CHEN   MSN:susiechen2008@hotmail.com Tel: 86-755-28536689 Fax: 86-755-82810359
MAX1668 MAXIM 3005
  South Teetion Electronic Co. Limited China (Mainland)
Contact: Ms. Lily   MSN:nftx-ic@hotmail.com Tel: 86-0755-82764123 Fax: 86-0755-82783123
MAX1668 MAXIM SSOP 07+ 2500
  Yishunyuen Industry (HK) Co.Ltd China (Mainland)
Contact: Ms. Zoe   MSN:zoelinnana@hotmail.com Tel: 86-755-82721435 Fax: 86-755-82762029
MAX1668 MAXIM SSOP 10+ 37000
  JIA LUNG HING ELECTRONIC CO.,LIMITED China (Mainland)
Contact: Ms. Cindy Lin   MSN:Jialongxing@hotmail.com Tel: +86-755-83246375 Fax:
MAX1668 MAXIM 09+ 60 brand new parts and in stock
  HengRui Electronics Co., China (Mainland)
Contact: Mr. John zhang John zhang   MSN:zhang_678@msn.com Tel: 86-755-83040891 Fax: 86-755-82513716
MAX1668 MAXIM SSOP 10+ 37000
  KAROSE INTERNATIONAL ELECTRONIC CO., LIMITED Hong Kong
Contact: Ms. CHRISTY   MSN:karosedz@hotmail.com Tel: 86-755-83950865 Fax: 86-755-83951203
MAX1668 MAXIM SSOP 00+ 60 New and original in stock!
  Mingshunxin Electronics Co.,LTD. China (Mainland)
Contact: Ms. Chen   MSN:msx-li@live.cn Tel: 86-755-82579959 Fax: 86-755-82553303
MAX1668 MAXIM SSOP 10+ 37000
  New Star Era Electronic Co.,Limited China (Mainland)
Contact: Ms. Bankey Pan   Tel: 86-0755-83269023 Fax: 86-0755-83269023
MAX1668 MAXIM SSOP 10+ 855522
  xianghong electronic limited China (Mainland)
Contact: Mr. David zhang /Jane feng   MSN:xh555@live.cn Tel: 86-0755-61390185 Fax: 86-0755-61390184
MAX1668 MAXIM SSOP 10+ 37000
  Wing Hing Electronic Limited China (Mainland)
Contact: Ms. Candy Li   MSN:winghingdz@hotmail.com Tel: 86-0755-83328501 Fax: 86-0755-61329051
MAX1668 MAXIM SSOP-16 60
  Interine Electronics Pan -Asia Co.,Ltd China (Mainland)
Contact: Mr. Selina Lau   MSN:sales1@live.cn Tel: 86-755-82518888 ext 655 Fax: 86-755-82709777
MAX1668EEE MAXIM SSOP 08+ 3980
  Zhengxinyuan ELectronics(HongKong)Co.LTD  China (Mainland)
Contact: Ms. Marco yuan   MSN:marco@zxy-ic.com Tel: 086-0755-88822655 Fax: 086-0755-88860655
MAX1668EEE MAXIM SSOP 10+ 596
  Beford Enterprises Ltd China (Mainland)
Contact: Ms. Sea   MSN:Beford17@hotmail.com Tel: 86-0755-83228351 Fax: 86-0755-23486252
MAX1668EEE MAXIM SSOP 122
  Dong Yu yuan Electronic Limited China (Mainland)
Contact: Mr. Yang   MSN:Stevenyoung0012@hotmail.com Tel: 86-754-84471271 Skype:dongyuyuan2008 Fax: 86-754-84471271 ACCEPT SMALL ORDER
MAX1668EEE MAXIM SSOP 122 ICQ#426661950,http://99ictrade.taobao.com/"
  HongKong 99IC Trade Co.,Ltd. China (Mainland)
Contact: Ms. Wenggie Weng   MSN:w99ic@hotmail.com Tel: 86-755-83253970 Fax: 86-755-82500640
MAX1668EEE MAXIM 122 N/A
  HK XINYUE ELECTRONICS CO.,LIMITE  China (Mainland)
Contact: Mr. Edward   MSN:zh10086@hotmail.com Tel: +86-0755-82815026 Fax: +86-0755-83996795
MAX1668EEE 11+ 5000 New & Original
  HONGJIEXIN ELECTRONICS TECHNOLOGY(HK) LIMITED China (Mainland)
Contact: Mr. Jimmy   MSN:chuangpeng_11@hotmail.com Tel: 86-755-83748089 Fax: 86-755-83748089
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MAX1668

File Size: 241931 KB
Manufacturer: MAXIM [Maxim Integrated Products]

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