參數(shù)資料
型號： MAX1617A
廠商： Maxim Integrated Products, Inc.
元件分類： 溫度/濕度傳感器
英文描述： Remote/Local Temperature Sensor with SMBus Serial Interface
中文描述： 遠(yuǎn)端/本地溫度傳感器，帶有SMBus串行接口
文件頁數(shù)： 14/18頁
文件大小： 234K
代理商： MAX1617A
M
Remote/Loc al Temperature S ensor
with S MBus S erial Interfac e
14
______________________________________________________________________________________
The address pin states are checked at POR and SPOR
only, and the address data stays latched to reduce qui-
escent supply current due to the bias current needed
for high-Z state detection.
The MAX1617A also responds to the SMBus Alert
Response slave address (see the Alert Response
Address section).
POR and UV LO
The MAX1617A has a volatile memory. To prevent ambig-
uous power-supply conditions from corrupting the data in
memory and causing erratic behavior, a POR voltage
detector monitors V
CC
and clears the memory if V
CC
falls
below 1.7V (typical, see Electrical Characteristics table).
When power is first applied and V
CC
rises above 1.75V
(typical), the logic blocks begin operating, although reads
and writes at V
CC
levels below 3V are not recommended.
A second V
CC
comparator, the ADC UVLO comparator,
prevents the ADC from converting until there is sufficient
headroom (V
CC
= 2.8V typical).
The SPOR software POR command can force a power-on
reset of the MAX1617A registers via the serial interface.
Use the SEND BYTE protocol with COMMAND = FCh.
This is most commonly used to reconfigure the slave
address of the MAX1617A “on the fly,” where external
hardware has forced new states at the ADD0 and ADD1
address pins prior to the software POR. The new address
takes effect less than 100μs after the SPOR transmission
stop condition.
Power-Up Defaults:
Interrupt latch is cleared.
Address select pins are sampled.
ADC begins auto-converting at a 0.25Hz rate.
Command byte is set to 00h to facilitate quick
remote Receive Byte queries.
T
HIGH
and T
LOW
registers are set to max and min
limits, respectively.
Table 8. RLTS and RRTE Temp Register Update Timing Chart
n/a (0.25Hz)
NEW CONVERSION RATE
(CHANGED VIA WRITE TO
WCRW)
Power-on reset
1-shot command, while idling
between automatic conversions
Auto-Convert
OPERATING MODE
CONVERSION INITIATED BY:
156ms max
TIME UNTIL RLTS AND RRTE
ARE UPDATED
156ms max
n/a
Auto-Convert
When current conversion is
complete (1-shot is ignored)
20sec
10sec
5sec
2.5sec
1.25sec
625ms
312.5ms
237.5ms
156ms
156ms
156ms
n/a
0.0625Hz
0.125Hz
0.25Hz
0.5Hz
1Hz
2Hz
4Hz
8Hz
n/a
n/a
n/a
Rate timer
Rate timer
Auto-Convert
Auto-Convert
1-shot command that occurs
during a conversion
Auto-Convert
Rate timer
Rate timer
Auto-Convert
Auto-Convert
Rate timer
Rate timer
Auto-Convert
Auto-Convert
Rate timer
Rate timer
Auto-Convert
Auto-Convert
STBY
pin
RUN/STOP bit
Hardware Standby
Software Standby
1-shot command
Software Standby
Table 9. Slave Address Decoding (ADD0
and ADD1)
Note: High-Z means that the pin is left unconnected and floating.
0011 001
0011 010
High-Z
V
CC
GND
GND
0011 000
ADDRESS
0101 001
0101 010
GND
High-Z
High-Z
High-Z
0101 011
1001 100
V
CC
GND
High-Z
V
CC
1001 101
1001 110
High-Z
V
CC
V
CC
V
CC
GND
GND
ADD0
ADD1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1617AEVKIT 功能描述:板上安裝溫度傳感器 Evaluation Kit for the MAX1617A RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX1617AMEE 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX1617AMEE+ 功能描述:板上安裝溫度傳感器 Remote/Local w/SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX1617AMEE+ 制造商:Maxim Integrated Products 功能描述:IC TEMP SENSOR 8BIT ?2.5
MAX1617AMEE+T 功能描述:板上安裝溫度傳感器 Remote/Local w/SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
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