- 您现在的位置：买卖IC网 > PDF目录19386 > MAX31722MUA+ (Maxim Integrated)IC THERMOMETER/STAT SPI-3W 8UMAX PDF资料下载
参数资料
| 型号： | MAX31722MUA+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 10/15页 |
| 文件大小： | 761K |
| 描述： | IC THERMOMETER/STAT SPI-3W 8UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 功能： | 温度计，恒温计 |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±3°C（最小值） |
| 拓扑： | 比较器，寄存器库 |
| 输出类型： | 3 线/SPI? 串行 |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 电源电压： | 1.7 V ~ 3.7 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 托盘 |
| 其它名称： | 90-31722+U00 |
Digital Thermometers and Thermostats
with SPI/3-Wire Interface
10
In either mode, once TOUT has been deactivated, it is
only reactivated when the measured temperature falls
below the T
LOW
value. Thus, this interrupt/clear pro-
cess is cyclical between T
HIGH
and T
LOW
events (i.e,
T
HIGH
, clear, T
LOW
, clear, T
HIGH
, clear, T
LOW
, clear,
etc.). Figure 6 illustrates the thermostat interrupt mode
operation.
Programming
The area of interest in programming the devices is the
configuration/status register. All programming is done
through the SPI or 3-wire communication interface by
selecting the appropriate address of the desired register
location. Table 2 illustrates the addresses for the device
registers.
Configuration/Status Register Programming
The configuration/status register is accessed in the
devices with the 00h address for reads and the 80h
address for writes. Data is read from or written to the
configuration/status register MSB first for SPI communi-
cation and LSB first for 3-wire communication. Table 3
illustrates the format of the register, describes the effect
each bit has on device functionality, and provides the
bits factory state.
Table 4 defines the resolution of the digital thermometer,
based on the settings of the R1 and R0 bits. There is a
direct trade-off between resolution and conversion time,
Table 2. Register Address Structure
Table 3. Configuration/Status Register Bit Descriptions
READ
ADDRESS
(HEX)
WRITE
ADDRESS
(HEX)
ACTIVE REGISTER
00
80
Configuration/Status
01
No access
Temperature LSB
02
No access
Temperature MSB
03
83
T
HIGH
LSB
04
84
T
HIGH
MSB
05
85
T
LOW
LSB
06
86
T
LOW
MSB
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0
MEMW
NVB
1SHOT
TM
R1
R0
SD
BIT 7
This bit is always a value of 0.
BIT 6
MEMW: Memory write bit. Power-up state = 0. The user has read/write access to the MEMW bit, which is
stored in the voltage memory.
0 = A write of the configuration/status register is stored in RAM memory.
1 = A write of the configuration/status register is stored in EEPROM.
Note: The status of this bit is ignored if a EEPROM write occurs to the other nonvolatile registers, T
HIGH
and
T
LOW
. The nonvolatile bits of the configuration/status register are written if a EEPROM write cycle occurs to the
T
HIGH
and T
LOW
registers.
BIT 5
NVB: Nonvolatile memory busy flag. Power-up state = 0 and is stored in volatile memory.
0 = Indicates that the nonvolatile memory is not busy.
1 = Indicates there is a write to a EEPROM memory cell in progress.
BIT 4
1SHOT: One-shot temperature conversion bit. Power-up state = 0 and is stored in volatile memory.
0 = Disables 1SHOT mode.
1 = If the SD bit is 1 (continuous temperature conversions are not taking place), a 1 written to the 1SHOT bit
causes the devices to perform one temperature conversion and store the results in the temperature register
at addresses 01h (LSB) and 02h (MSB). The bit clears itself to 0 upon completion of the temperature conver-
sion. The user has read/write access to the 1SHOT bit, although writes to this bit are ignored if the SD bit is a 0
(continuous conversion mode).
BIT 3
TM: Thermostat operating mode. Factory power-up state = 0. The user has read/write access to the TM bit,
which is stored in nonvolatile memory.
0 = The thermostat output is in comparator mode.
1 = The thermostat output is in interrupt mode.
相关PDF资料 |
PDF描述 |
|---|---|
| GEM06DRYS | CONN EDGECARD 12POS DIP .156 SLD |
| VI-2N3-CY-F1 | CONVERTER MOD DC/DC 24V 50W |
| MAX6514UKP115+T | IC TEMP SWITCH SOT23-5 |
| VI-2N2-CY-F4 | CONVERTER MOD DC/DC 15V 50W |
| GEM10DRUN | CONN EDGECARD 20POS DIP .156 SLD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX31722MUA+ | 功能描述:板上安装温度传感器 SPI/3-Wire Digital Temp Sensor RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| MAX31722MUA+T | 功能描述:板上安装温度传感器 SPI/3-Wire Digital Temp Sensor RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| MAX31723MUA+ | 功能描述:板上安装温度传感器 SPI/3-Wire Digital Temp Sensor RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| MAX31723MUA+T | 功能描述:板上安装温度传感器 SPI/3-Wire Digital Temp Sensor RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| MAX31723PMB1# | 功能描述:温度传感器开发工具 MAX31723 Peripheral Module RoHS:否 制造商:Texas Instruments 产品类型:Temperature Sensors and Control ICs 工具用于评估:MSP430G2553 接口类型:USB 工作电源电压: 工作电源电流: |
发布紧急采购，3分钟左右您将得到回复。