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| 型号： | MAX31826MUA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 20/22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 20
MAX31826
1-Wire Digital Temperature Sensor
with 1Kb Lockable EEPROM
Operation Example
Table 3 shows an operation example in which there
are multiple devices on the bus using parasite power.
The bus master initiates a temperature conversion in a
specific MAX31826 and then reads Scratchpad 1 and
recalculates the CRC to verify the data.
Figure 13. Recommended Master Read-One Timing
Table 3. Operation Example
MASTER
MODE
DATA (LSB FIRST)
COMMENTS
Tx
Reset
Master issues reset pulse.
Rx
Presence
Devices respond with presence pulse.
Tx
F0h
Master issues Search ROM command
Tx
Reset
Master issues reset pulse.
Rx
Presence
Devices respond with presence pulse.
Tx
55h
Master issues Match ROM command for desired address
Tx
64-bit ROM code
Master sends device ROM code.
Tx
44h
Master issues Convert T command.
Tx
DQ line held high by
strong pullup
Master applies strong pullup to DQ for the duration of the conversion (t
CONV
).
Tx
Reset
Master issues reset pulse.
Rx
Presence
Devices respond with presence pulse.
Tx
55h
Master issues Match ROM command.
Tx
64-bit ROM code
Master sends device ROM code.
Tx
BEh
Master issues Read Scratchpad 1 command.
Rx
9 data bytes
Master reads entire Scratchpad 1 including CRC. The master then recalculates the CRC of
the first 8 data bytes from the scratchpad and compares the calculated CRC with the read
CRC (byte 9). If they match, the master continues; if not, the read operation is repeated.
V
PU
V
IH
OF MASTER
t
INIT
=
SMALL
t
RC
=
SMALL
MASTER SAMPLES
15祍
1-Wire BUS
GND
BUS MASTER PULLING LOW
RESISTOR PULLUP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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: |
| MAX3182EUK | 制造商:Maxim Integrated Products 功能描述:3V TO 5.5V 15MBPS RS-232 RECEIVER - Rail/Tube |
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