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參數(shù)資料
| 型號： | DS1629S+T&R |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 10/23頁 |
| 文件大?。?/td> | 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，恒溫計 |
| 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 |
| 輸出類型： | I²C?/SMBus? |
| 輸出警報： | 是 |
| 輸出風(fēng)扇： | 無 |
| 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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