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LM95241 Datasheet(PDF) 16 Page - Texas Instruments

Part No. LM95241
Description  Dual Remote Diode Temperature Sensor with SMBus Interface and TruTherm™ Technology (65nm/90nm)
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM95241 Datasheet(HTML) 16 Page - Texas Instruments

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LM95241
SNIS143E – AUGUST 2006 – REVISED MARCH 2013
www.ti.com
Bits
Name
Description
0
Remote Diode 1 Missing (RD1M)
When set to "1" Remote Diode 1 is missing. (See DIODE FAULT DETECTION
for further details.) Temperature Reading is FFE0h which converts to 255.875
°C if unsigned format is selected or 8000h which converts to –128.000 °C if
signed format is selected. Note, connecting a 3904 transistor to Remote 1
inputs with TruTherm mode active may also cause this bit to be set.
CONFIGURATION REGISTER
(Read Address 03h /Write Address 03h):
D7
D6
D5
D4
D3
D2
D1
D0
0
RUN/STOP
CR1
CR0
0
R2DF
R1DF
0
Bits
Name
Description
7
Reserved
Reports "0" when read.
6
RUN/STOP
Logic 1 disables the conversion and puts the part in standby mode.
Conversion can be activated by writing to one-shot register.
5-4
Conversion Rate (CR1:CR0)
00: continuous mode 76.5 ms, 13.1 Hz (typ), when TruTherm Mode is disabled
(Diode Equation) for both remote channels; 77.8 ms, 12.9 Hz (typ), when
TruTherm Mode is enabled (Transistor Equation) for one remote channel.
01: converts every 182 ms, 5.5 Hz (typ)
10: converts every 1 second, 1 Hz (typ)
11: converts every 2.7 seconds, 0.37 Hz (typ)
3
Reserved
Reports "0" when read.
2
Remote 2 Data Format (R2DF)
Logic 0: unsigned Temperature format (0 °C to +255.875 °C)
Logic 1: signed Temperature format (-128 °C to +127.75 °C)
1
Remote 1 Data Format (R1DF)
Logic 0: unsigned Temperature format (0 °C to +255.875 °C)
Logic 1: signed Temperature format (-128 °C to +127.75 °C)
0
Reserved
Reports "0" when read.
Power up default is with all bits “0” (zero)
REMOTE DIODE FILTER CONTROL REGISTER
(Read/write Address 06h):
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
R2FE
0
R1FE
Bits
Name
Description
7-3
Reserved
Reports "0" when read.
2
Remote 2 Filter Enable (R2FE)
0: Filter Off
1: Noise Filter On
1
Reserved
Reports "0" when read.
0
Remote 1Filter Enable (R1FE)
0: Filter Off
1: Noise Filter On
Power up default is 05h.
REMOTE DIODE MODEL TYPE SELECT REGISTER
(Read/Write Address 30h):
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
R2MS
0
R1MS
16
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Copyright © 2006–2013, Texas Instruments Incorporated
Product Folder Links: LM95241


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