參數(shù)資料
型號(hào)： DS1629S+T&R
廠商： Maxim Integrated
文件頁(yè)數(shù)： 10/23頁(yè)
文件大小： 490K
描述： IC THERM/RTC/CALENDAR DIG 8-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
功能： 溫度計(jì)，恒溫計(jì)
傳感器類型： 內(nèi)部
感應(yīng)溫度： -55°C ~ 125°C
精確度： ±2°C（最小值）
拓?fù)洌?/td> ADC，比較器，振蕩器，寄存器庫(kù)
輸出類型： I²C?/SMBus?
輸出警報(bào)： 是
輸出風(fēng)扇： 無(wú)
電源電壓： 2.7 V ~ 5.5 V
工作溫度： -55°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOIC
包裝： 帶卷 (TR)
DS1629
 
10 of 23
 
Thermometer Power-Up Modes Table 5
I H
M  DE
0
0
Powers u   convertin   continuousl factor   default
0
1
Automatically performs one conversion upon power-up. Subsequent conversions
re  uire a Start Convert T command.
1
0
Powers up in standby; upon Start Convert T command, conversions will be performed
continuousl .
1
1
Powers up in standby; upon Start Convert T command, a single conversion will be
erformed and stored.
 
A0, A1 = Alarm Mode. Table 6 defines the DS1629 alarm mode, based on the settings of the A0 and A1 
bits. These bits define what event will activate the ALRM output. The alarm flagsCAF, TAF, CAL,
TALare functional regardless of the state of these bits. Both locations are read/write and nonvolatile,
and the factory default state disables the ALRM output (A0 = A1 = 0).
 
Alarm Mode Configuration Table 6
A1
A0
ALARM MODE
0
0
Neither Thermal or Time Disabled
1
Th rm l   nl
1
0
Time Onl  
1
1
Either Thermal or Time
 
OS0, OS1 = Oscillator Output Setting. Table 7 defines the frequency of the OSC output, as defined by 
the settings of these bits. Both locations are read/write and nonvolatile, and the factory default state sets
the OSC frequency equal to the crystal frequency (OS0 = OS1 = 1). The output should be disabled if the
user does not intend to use it to reduce power consumption.
 
OSC Frequency Configuration Table 7
OS1    OS0
OSC FRE  UENCY
0
0
Disabled
0
1
1/8f
1
0
1/4f
1
1
f
 
CAF = Clock Alarm Flag. This volatile status bit will be set to 1 when the clock comparator is in an 
active state. Once set, it will remain 1 until reset by writing to or reading from either the clock register or
clock alarm register. A 0 in this location indicates the clock is not in an alarm condition. This is a read-
only bit (writes to this location constitute a dont care) and the power-up default is the flag cleared (CAF
= 0).
 
TAF = Thermal Alarm Flag. This volatile status bit will be set to 1 when the thermal comparator is in an 
active state. Once set, it will remain 1 until measured temperature falls below the programmed TL setting.
A 0 in this location indicates the thermometer is not in an alarm condition. This is a read-only bit (writes
to this location constitute a dont care) and the power-up default is the flag cleared (TAF = 0).
 
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