參數(shù)資料
型號： MAX6659MEE+T
廠商： Maxim Integrated
文件頁數(shù)： 1/16頁
文件大小： 165K
描述： IC TEMP SENSOR SMBUS 16-QSOP
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
功能： 溫度監(jiān)控系統(tǒng)（傳感器）
傳感器類型： 內部和外部
感應溫度： -55°C ~ 125°C，外部傳感器
精確度： ±5°C（最小值）
拓撲： ADC，多路復用器，寄存器庫
輸出類型： I²C?/SMBus?
輸出警報： 是
輸出風扇： 是
電源電壓： 3 V ~ 5.5 V
工作溫度： -55°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 16-SSOP（0.154"，3.90mm 寬）
供應商設備封裝： 16-QSOP
包裝： 帶卷 (TR)
General Description
The MAX6657/MAX6658/MAX6659 are precise, two-
channel digital temperature sensors. Each accurately
measures the temperature of its own die and one
remote PN junction, and reports the temperature in digi-
tal form on a 2-wire serial interface. The remote junction
can be a diode-connected transistor like the low-cost
NPN type 2N3904 or 2N3906 PNP type. The remote
junction can also be a common-collector PNP, such as
a substrate PNP of a microprocessor.
The 2-wire serial interface accepts standard System
Management Bus (SMBus") commands such as Write
Byte, Read Byte, Send Byte, and Receive Byte to read
the temperature data and program the alarm thresholds
and conversion rate. The MAX6657/MAX6658/
MAX6659 can function autonomously with a program-
mable conversion rate, which allows the control of sup-
ply current and temperature update rate to match
system needs. For conversion rates of 4Hz or less, the
temperature is represented in extended mode as 10
bits + sign with a resolution of 0.125癈. When the con-
version rate is faster than 4Hz, output data is 7 bits +
sign with a resolution of 1癈. The MAX6657/
MAX6658/MAX6659 also include an SMBus timeout
feature to enhance system reliability.
Remote accuracy is ?癈 between +60癈 and +100癈
with no calibration needed. The MAX6657 measures
temperatures from 0癈 to +125癈 and the MAX6658/
MAX6659 from -55癈 to +125癈. The MAX6659 has the
added benefit of being able to select one of three
addresses through an address pin, and a second over-
temperature alarm pin for greater system reliability.
Applications
Desktop Computers
Workstations
Notebook Computers
Servers
Features
o Dual Channel Measures Remote and Local
Temperature
o 11-Bit, +0.125?/SPAN>C Resolution
o High Accuracy ?/SPAN>1?/SPAN>C (max) from +60?/SPAN>C to +100?/SPAN>C
(Remote)
o No Calibration Required
o Programmable Under/Overtemperature Alarms
o Programmable Conversion Rate
(0.0625Hz to 16Hz)
o SMBus/I
2
C-Compatible Interface
o Two Alarm Outputs: ALERT and OVERT1
(MAX6657 and MAX6658)
o Three Alarm Outputs: ALERT, OVERT1, 
and OVERT2 (MAX6659)
o Compatible with 65nm Process Technology 
(Y Versions)
?癈, SMBus-Compatible Remote/Local Temperature
Sensors with Overtemperature Alarms
________________________________________________________________ Maxim Integrated Products   1
19-2034; Rev 5; 10/10
Ordering Information
PART
MEASURED TEMP
RANGE
PIN-PACKAGE
MAX6657MSA
0癈 to +125癈
8 SO
MAX6657MSA+
0癈 to +125癈
8 SO
MAX6657MSA-T
0癈 to +125癈
8 SO
MAX6657MSA+T
0癈 to +125癈
8 SO
MAX6657YMSA+
0癈 to +125癈
8 SO
MAX6657YMSA+T
0癈 to +125癈
8 SO
SMBus is a trademark of Intel Corp.
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
V
CC
N.C.
STBY
SMBCLK
N.C.
SMBDATA
N.C.
OVERT2
ALERT
TOP VIEW
MAX6659
QSOP
N.C.
DXP
OVERT1
DXN
ADD
GND
GND
ALERT
GND
OVERT1
1
2
8
7
SMBCLK
SMBDATA
DXP
DXN
V
CC
SO
3
4
6
5
MAX6657
MAX6658
Pin Configurations
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxims website at www.maxim-ic.com.
Typical Operating Circuit appears at the end of the data
sheet.
Ordering Information continued at end of data sheet.
Note: All devices are specified over the -55?/SPAN>C to +125?/SPAN>C oper-
ating temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
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