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參數資料
| 型號： | DS75U+T&R |
| 廠商： | Maxim Integrated |
| 文件頁數： | 1/14頁 |
| 文件大小： | 183K |
| 描述： | IC THERMOMETER/STAT DIG 8-MSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 3,000 |
| 功能： | 溫度計，恒溫計 |
| 傳感器類型： | 內部 |
| 感應溫度： | -55°C ~ 125°C |
| 精確度： | ±3°C（最小值） |
| 拓撲： | 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） |
| 供應商設備封裝： | 8-uMAX |
| 包裝： | 帶卷 (TR) |
1 of 14
022108
FEATURES
Temperature Measurements Require No
External Components
Measures Temperatures from -55癈 to
+125癈 (-67癋 to +257癋)
?癈 Accuracy Over a -25癈 to +100癈
Range
Thermometer Resolution is User-
Configurable from Nine (Default) to 12 Bits
(0.5癈 to 0.0625癈 Resolution)
9-Bit Conversion Time is 150ms (Max)
Thermostatic Settings are User-Definable
Data is Read/Written Via 2-Wire Serial
(Interface (SDA and SCL Pins)
Multidrop Capability Simplifies Distributed
Temperature-Sensing Applications
Wide Power-Supply Range (+2.7V to
+5.5V).
Pin/software Compatible with the LM75
Available in 8-Pin 糓AX
?/DIV>
and SO
Packages. See Table 1 for Ordering
Information
Applications Include Personal Computers,
Cellular Base Stations, Office Equipment, or
Any Thermally Sensitive System
PIN ASSIGNMENT
PIN DESCRIPTION
SDA Open-Drain Data I/O
SCL Clock Input
GND Ground
O.S. Open-Drain Thermostat Output
A
0
Address Input
A
1
Address Input
A
2
Address Input
V
DD
Power Supply
DESCRIPTION
The DS75 digital thermometer and thermostat provides 9, 10, 11, or 12-bit digital temperature readings
over a -55癈 to +125癈 range with ?癈 accuracy over a -25癈 to +100癈 range. At power-up, the
DS75 defaults to 9-bit resolution for software compatibility with the LM75. Communication with the
DS75 is achieved via a simple 2wire serial interface. Three address pins allow up to eight DS75 devices
to operate on the same 2wire bus, which greatly simplifies distributed temperature sensing applications.
The DS75 thermostat has a dedicated opendrain output (O.S.) and programmable fault tolerance, which
allows the user to define the number of consecutive error conditions that must occur before O.S is
activated. There are two thermostatic operating modes that control thermostat operation based on user-
defined trip-points (T
OS
and T
HYST
).
A block diagram of the DS75 is shown in Figure 1 and detailed pin descriptions are given in Table 2.
DS75
Digital Thermometer and Thermostat
www.maxim-ic.com
DS75U+ ( MAX)
L
V
DD
A
0
A
1
A
2
GND
O.S.
D
6
7
3
2
DS75S+ (8-Pin SO 150mil)
L
V
DD
A
0
A
1
A
2
GND
O.S.
D
6
7
3
2
礛AX is a registered trademark of Maxim Integrated Products, Inc.
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