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参数资料
| 型号： | MAX6641AUB96+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 温度/湿度传感器 |
| 英文描述： | SMBus-Compatible Temperature Monitor with Automatic PWM Fan-Speed Controller |
| 中文描述： | DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 1Cel, SQUARE, SURFACE MOUNT |
| 封装： | 3 X 3 MM,LEAD FREE, MO-187C-BA, USOP-10 |
| 文件页数： | 13/19页 |
| 文件大小： | 538K |
| 代理商： | MAX6641AUB96+T |
MAX6641
SMBus-Compatible Temperature Monitor with
Automatic PWM Fan-Speed Controller
_______________________________________________________________________________________
3
Note 1: Timing specifications guaranteed by design.
Note 2: The serial interface resets when SMBCLK is low for more than tTIMEOUT.
Note 3: A transition must internally provide at least a hold time to bridge the undefined region (300ns max) of SMBCLK’s falling edge.
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +5.5V, TA = 0
°C to +125°C, unless otherwise noted. Typical values are at VCC = 3.3V, TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SMBus-COMPATIBLE TIMING (Note 1) (See Figures 2, 3)
Serial-Clock Frequency
fSCLK
(Note 2)
100
kHz
Clock Low Period
tLOW
10% to 10%
4
s
Clock High Period
tHIGH
90% to 90%
4.7
s
Bus Free Time Between Stop and
Start Condition
tBUF
4.7
s
Hold Time After (Repeated) Start
Condition
tHD:STA
4s
SMBus Start Condition Setup Time
tSU:STA
90% of SMBCLK to 90% of SMBDATA
4.7
s
Start Condition Hold Time
tHD:STO
10% of SMBDATA to 10% of SMBCLK
4
s
Stop Condition Setup Time
tSU:STO
90% of SMBCLK to 10% of SMBDATA
4
s
Data Setup Time
tSU:DAT
10% of SMBDATA to 10% of SMBCLK
250
ns
Data Hold Time
tHD:DAT
10% of SMBCLK to 10% of SMBDATA
(Note 3)
300
ns
SMBus Fall Time
tF
300
ns
SMBus Rise Time
tR
1000
ns
SMBus Timeout
tTIMEOUT
29
37
55
ms
Startup Time After POR
tPOR
500
ms
Typical Operating Characteristics
(VCC = 3.3V, TA = +25
°C, unless otherwise noted.)
OPERATING SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6641
toc01
SUPPLY VOLTAGE (V)
OPERATING
SUPPLY
CURRENT
(
A)
5.0
4.5
4.0
3.5
350
400
450
500
550
600
300
3.0
5.5
NO SMBus ACTIVITY
REMOTE TEMPERATURE ERROR
vs. REMOTE-DIODE TEMPERATURE
MAX6641
toc02
TEMPERATURE (
°C)
TEMPERATURE
ERROR
(°
C)
100
75
25
50
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0125
LOCAL TEMPERATURE ERROR
vs. DIE TEMPERATURE
MAX6641
toc03
TEMPERATURE (
°C)
TEMPERATURE
ERROR
(°
C)
100
75
50
25
-1
0
1
2
-2
0125
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| MAX6642ATT90-T | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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