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參數(shù)資料
| 型號(hào)： | DS1848E-050+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 15/17頁(yè) |
| 文件大小： | 0K |
| 描述： | IC RES/MEM TEMP 50/10K 14-TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 接片： | 256 |
| 電阻（歐姆）： | 10k，50k |
| 電路數(shù)： | 2 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 850 ppm/°C |
| 存儲(chǔ)器類型： | 非易失 |
| 接口： | I²C（設(shè)備位址） |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 95°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 帶卷 (TR) |
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DS1848
7 of 17
TEMPERATURE CONVERSION
The direct-to-digital temperature sensor measures temperature through the use of an on-chip temperature
measurement technique with an operating range from -40°C to +95°C. Temperature conversions are
initiated upon power-up, and the most recent result is stored in address locations E2h and E3h, which are
updated every 10ms. Temperature conversion will not occur during an active read or write to memory.
The value of each resistor is determined by the temperature-addressed look-up table that assigns a unique
value to each resistor for every 2°C increment with a 1°C hysteresis at a temperature transition over the
operating temperature range. This can be seen in Figure 2.
TEMPERATURE CONVERSION HYSTERESIS Figure 2
EXAMPLE TEMPERATURE READINGS Table 2
TEMP
BINARY DATA
HEX DATA
+95C
0010 1111 1000 0000
2F80h
+25.0625C
0000 1100 1000 1000
0C88h
-10.125C
1111 1010 1111 0000
FAF0h
-40C
1110 1100 0000 0000
EC00h
2
4
6
8
10
12
TEMPERATURE (C)
M6
M5
M4
M3
M2
M1
MEMO
R
Y
LO
CAT
IO
N
Increasing temp
Decreasing temp
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