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參數(shù)資料
| 型號： | DS75U+T&R |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 9/14頁 |
| 文件大小： | 183K |
| 描述： | IC THERMOMETER/STAT DIG 8-MSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 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： | ±3°C（最小值） |
| 拓?fù)洌?/td> | ADC（三角積分型），比較器，寄存器庫 |
| 輸出類型： | I²C?/SMBus? |
| 輸出警報： | 無 |
| 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-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-uMAX |
| 包裝： | 帶卷 (TR) |
DS75
9 of 14
CONFIGURATION REGISTER
The configuration register allows the user to program various DS75 options such as conversion
resolution, thermostat fault tolerance, thermostat polarity, thermostat operating mode, and shutdown
mode. The configuration register is arranged as shown in Figure 5 and detailed descriptions of each bit
are provided in Table 4. The user has read/write access to all bits in the configuration register except the
MSb, which is a reserved read-only bit. The entire register is volatile, and thus powersup in its default
state.
Figure 5. CONFIGURATION REGISTER
MSb
it 6
it 5
it 4
it 3
it 2
it 1
LSb
0
R1
R0
F1
F0
POL
TM
SD
Table 4. CONFIGURATION REGISTER BIT DESCRIPTIONS
BIT NAME
FUNCTIONAL DESCRIPTION
0
Reserved
Power-up state = 0
The master can write to this bit, but it will always read out as a 0.
R1
Conversion Resolution Bit 1
Power-up state = 0
Sets conversion resolution (see Table 5)
R0
Conversion Resolution Bit 0
Power-up state = 0
Sets conversion resolution (see Table 5)
F1
Thermostat Fault Tolerance Bit 1
Power-up state = 0
Sets the thermostat fault tolerance (see Table 6).
F0
Thermostat Fault Tolerance Bit 0
Power-up state = 0
Sets the thermostat fault tolerance (see Table 6).
POL
Thermostat Output (O.S.) Polarity
Power-up state = 0
POL = 0 O.S. is active low.
POL = 1 O.S. is active high.
TM
Thermostat Operating Mode
Power-up state = 0
TM = 0 Comparator mode.
TM = 1 Interrupt mode.
See the OPERATIONThermostat section for a detailed description
of these modes.
SD
Shutdown
Power-up state = 0
SD = 0 Active conversion and thermostat operation.
SD = 1 Shutdown mode.
See the SHUTDOWN MODE section for a detailed description of
this mode.
Table 5. RESOLUTION CONFIGURATION
R1
R0 THERMOMETER
RESOLUTION
MAX CONVERSION
TIME
0
0
9bit
150 ms
0
1
10bit
300 ms
1
0
11bit
600 ms
1
1
12bit
1200 ms
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