參數(shù)資料
型號： MAX6647MUA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 模擬信號調(diào)理
英文描述： +145∑C Precision SMBus-Compatible Remote/ Local Sensors with Overtemperature Alarms
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO8
封裝： 3 X 3 MM, MO-187CAA, MICRO, SOP-8
文件頁數(shù)： 10/16頁
文件大小： 227K
代理商： MAX6647MUA
M
+145°C Precision SMBus-Compatible Remote/
Local Sensors with Overtemperature Alarms
10
______________________________________________________________________________________
Conversion Rate Byte
The conversion rate register (Table 8) programs the time
interval between conversions in free-running autonomous
mode (
RUN
= 0). This variable rate control can be used
to reduce the supply current in portable-equipment appli-
cations. The conversion rate byte
’
s POR state is 07h or
4Hz. The MAX6646/MAX6647/MAX6649 look only at the 3
LSBs of this register, so the upper 5 bits are
“
don
’
t care
”
bits, which should be set to zero. The conversion rate tol-
erance is ±25% at any rate setting.
Valid A/D conversion results for both channels are avail-
able one total conversion time (125ms nominal, 156ms
maximum) after initiating a conversion, whether conver-
sion is initiated through the
RUN
bit, one-shot com-
mand, or initial power-up. Changing the conversion rate
can also affect the delay until new results are available.
REGISTER
RLTS
RRTE
RSL
RCL
RCRA
RLHN
RLLI
ADDRESS
00h
01h
02h
03h
04h
05h
06h
POR STATE
FUNCTION
0000 0000
0000 0000
N/A
0000 0000
0000 0111
0101 0101
0000 0000
0101 1111
0101 0101
0000 0000
N/A
N/A
N/A
N/A
N/A
N/A
N/A
0000 0000
0000 0000
0111 1101
0101 0101
0101 0101
0000 1010
1000 0110
0100 1101
0101 1001
0
°
C
0
°
C
—
—
—
+85
°
C
0
°
C
+95
°
C
+85
°
C
0
°
C
—
—
—
—
—
—
—
0
°
C
0
°
C
+125
°
C
+85
°
C
+85
°
C
10
°
C
—
—
—
Read local (internal) temperature
Read remote (external) temperature
Read status byte
Read configuration byte
Read conversion rate byte
Read local (internal)
ALERT
high limit
Read local (internal)
ALERT
low limit
Read remote (external)
ALERT
high limit (MAX6646/MAX6647)
Read remote (external)
ALERT
high limit (MAX6649)
Read remote (external)
ALERT
low limit
Write configuration byte
Write conversion rate byte
Write local (internal)
ALERT
high limit
Write local (internal)
ALERT
low limit
Write remote (external)
ALERT
high limit
Write remote (external)
ALERT
low limit
One-shot
Read remote (external) extended temperature
Read local (internal) extended temperature
Read/write remote (external)
OVERT
limit (MAX6646/MAX6647)
Read/write remote (external)
OVERT
limit (MAX6649)
Read/write local (internal)
OVERT
limit
Overtemperature hysteresis
Fault queue
Read manufacture ID
Read revision ID
RRHI
07h
RRLS
WCA
WCRW
WLHO
WLLM
WRHA
WRLN
OSHT
REET
RIET
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
RWOE
19h
RWOI
HYS
QUEUE
—
—
20h
21h
22h
FEh
FFh
Table 5. Command-Byte Bit Assignments
BIT
NAME
MASK
RUN
RFU
POR STATE
0
0
0
FUNCTION
7 (MSB)
6
5 to 0
Masks
ALERT
interrupts when set to 1.
Standby mode control bit; if set to 1, standby mode is initiated.
Reserved.
Table 6. Configuration-Byte Bit Assignments (03h)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6647MUA+ 功能描述:板上安裝溫度傳感器 145C SMBus-Comp Remote/Local Sensor 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
MAX6647MUA+T 功能描述:板上安裝溫度傳感器 145C SMBus-Comp Remote/Local Sensor 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
MAX6647MUA-T 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
MAX6647YMUA+ 功能描述:板上安裝溫度傳感器 145C SMBus-Comp Remote/Local Sensor 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
MAX6647YMUA+T 功能描述:板上安裝溫度傳感器 145C SMBus-Comp Remote/Local Sensor 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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