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| 型号： | MAX31826MUA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 9/22页 |
| 文件大小： | 1648K |
| 描述： | IC TEMP SENSOR DIGITAL 8UMAX |
| 标准包装： | 2,500 |
| 系列： | 1-Wire® |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±2°C |
| 拓扑： | 寄存器库，变签式暂存器 |
| 输出类型： | 1-Wire? |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 3 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： | 带卷 (TR) |
? Maxim Integrated Products 9
MAX31826
1-Wire Digital Temperature Sensor
with 1Kb Lockable EEPROM
Figure 4. Memory Map
Memory
The devices memory is organized as shown in Figure 4. The
memory consists of two SRAM scratchpads (Scratchpad 1
and Scratchpad 2) and 1Kb of EEPROM, which can serve
as general-purpose nonvolatile memory until locked.
All memory commands are described in detail in the
MAX31826 Function Commands section.
Byte 0 and byte 1 of Scratchpad 1 contain the least
significant byte and the most significant byte of the tem-
perature register, respectively. Byte 4 contains the con-
figuration information. Bytes 2, 3, 5, 6, and 7 are reserved
for internal use by the device and cannot be overwritten;
these bytes return all ones when read.
Byte 8 of Scratchpad 1 is read-only and contains the
CRC code for bytes 07 of the scratchpad. The device
generates this CRC using the method described in the
CRC Generation section.
Scratchpad 2 (the EE scratchpad) is used for writing to
the EEPROM. Scratchpad 2 consists of 8 bytes; write
data to Scratchpad 2 before copying it to the EEPROM.
Configuration Register
Byte 4 of Scratchpad 1 contains the configuration reg-
ister, which is organized as shown in Configuration
Register Format. The configuration register allows the
user to read the programmed value of the address pins.
The AD[3:0] bits report the pin-programmed location
information. Pins connected to DQ (in parasite power)
or V
DD
(when externally powered) are reported with
logic 1, and pins connected to GND are reported as
logic 0. Pins connected to DQ (in parasite power), V
DD
(when externally powered), or GND through a resistor are
valid logic 1s or logic 0s if the resistor is less than 10kI.
Unconnected or high-impedance ( > 10kI) connections
are indeterminate. Bits [7:4] are reserved for internal use
and cannot be overwritten; they return a 1 when read.
Configuration Register Format
Note: Bits [3:0] are programmed through the four location programming address pins, AD3AD0. Reading the configuration register
provides location information on up to 16 individual devices.
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
AD3
AD2
AD1
AD0
TEMPERATURE REGISTER LSB (50h)
BYTE 0
TEMPERATURE REGISTER MSB (05h)
BYTE 1
RESERVED (FFh)
BYTE 2
RESERVED (FFh)
BYTE 3
CONFIGURATION REGISTER*
BYTE 4
RESERVED (FFh)
BYTE 5
RESERVED (FFh)
BYTE 6
RESERVED (FFh)
BYTE 7
CRC
BYTE 8
SCRATCHPAD 2 (EE SCRATCHPAD)
BYTE 0
BYTE 0
*THE LOWER 4 BITS (AD[3:0]) OF THE CONFIGURATION REGISTER ARE HARDWIRED THROUGH AD0AD3.
BYTE 1
BYTE 1
...
...
BYTE 7
BYTE 7
SCRATCHPAD 1 (POWER-UP STATE
SHOWN IN PARENTHESES)
EEPROM
BYTES 00h07h
BYTES 08h0Fh
BYTES 10h17h
...
BYTES 70h77h
BYTES 78h7Fh
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相关代理商/技术参数 |
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| MAX3182EEUK | 制造商:Maxim Integrated Products 功能描述:+-15KV ESD-PROTECTED 0.5MA +3V TO - Rail/Tube |
| MAX3182EEUK+ | 制造商:Maxim Integrated Products 功能描述:LINE RCVR 1RX 5PIN SOT-23 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:Single Receiver RS-232 5-Pin SOT-23 Bulk |
| MAX3182EEUK+T | 功能描述:RS-232接口集成电路 .5uA 3-5.5V 1.5Mbps RS-232 Rcvr RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX3182EEUK-T | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
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