參數(shù)資料
型號(hào)： MAX6658MSA+T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 溫度/濕度傳感器
英文描述： ±1°C, SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms
中文描述： DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT
封裝： 0.150 INCH, SOIC-8
文件頁(yè)數(shù)： 1/17頁(yè)
文件大?。?/td> 275K
代理商： MAX6658MSA+T
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°C. When the con-
version rate is faster than 4Hz, output data is 7 bits +
sign with a resolution of 1°C. The MAX6657/
MAX6658/MAX6659 also include an SMBus timeout
feature to enhance system reliability.
Remote accuracy is ±1°C between +60°C and +100°C
with no calibration needed. The MAX6657 measures
temperatures from 0°C to +125°C and the MAX6658/
MAX6659 from -55°C to +125°C. 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°C Resolution
o High Accuracy ±1°C (max) from +60°C to +100°C
(Remote)
o No Calibration Required
o Programmable Under/Overtemperature Alarms
o Programmable Conversion Rate
(0.0625Hz to 16Hz)
o SMBus/I2C-Compatible Interface
o Two Alarm Outputs: ALERT and OVERT1
(MAX6657 and MAX6658)
o Three Alarm Outputs: ALERT, OVERT1,
and OVERT2 (MAX6659)
MAX6657/MAX6658/MAX6659
±1°C, SMBus-Compatible Remote/Local Temperature
Sensors with Overtemperature Alarms
________________________________________________________________ Maxim Integrated Products
1
19-2034; Rev 2; 3/02
Ordering Information
PART
TEMP.
RANGE
PIN-
PACKAGE
MEASURED
TEMP. RANGE
MAX6657MSA -55°C to +125°C 8 SO
0°C to +125°C
MAX6658MSA -55°C to +125°C 8 SO
-55°C to +125°C
MAX6659MEE
-55°C to +125°C 16 QSOP
-55°C to +125°C
SMBus is a trademark of Intel Corp.
I2C is a trademark of Philips Corp.
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
VCC
N.C.
STBY
SMBCLK
N.C.
SMBDATA
N.C.
OVERT2
ALERT
TOP VIEW
MAX6659
QSOP
N.C.
DXP
OVERT1
DXN
ADD
GND
ALERT
GND
OVERT1
1
2
8
7
SMBCLK
SMBDATA
DXP
DXN
VCC
SO
3
4
6
5
MAX6657
MAX6658
Pin Configurations
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.
Typical Operating Circuit appears at the end of the
data sheet.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6659MEE 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6659MEE+ 功能描述:板上安裝溫度傳感器 Remote/Local Temperature Sensor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6659MEE+T 功能描述:板上安裝溫度傳感器 Remote/Local Temperature Sensor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6659MEE-T 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX665C/D 功能描述:電荷泵 DICE SALES DICE RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
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