LM75BIMM-3+ Maxim Integrated Products, LM75BIMM-3+ Datasheet - Page 6

• Manufacturer Part Number: LM75BIMM-3+
• Description: IC TEMP SENSOR WATCHDOG 8MSOP
• Manufacturer: Maxim Integrated Products

Specifications of LM75BIMM-3+

• Function: Temp Sensor, Watchdog
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Digital Temperature Sensor and Thermal
Watchdog with 2-Wire Interface
Figure 2. Serial Bus Timing
Table 4. Temperature Data Output Format
Table 3. Temperature, T
X = Don’t care.
X = Don’t care.
6
Sign bit
1= Negative
0 = Positive
TEMPERATURE (°C)
t
SDA
SCL
HD:STA
_______________________________________________________________________________________
D15
PARAMETERS ARE MEASURED FROM 10% TO 90%.
CONDITION
START
+125
+0.5
+25
-0.5
(S)
-25
-55
0
t
SU:DAT
MSB
64
D14
°
t
C
LOW
32°C
D13
t
R
0111 1101 0XXX XXXX
0001 1001 0XXX XXXX
0000 0000 1XXX XXXX
0000 0000 0XXX XXXX
1111 1111 1XXX XXXX
1110 0111 0XXX XXXX
1100 1001 0XXX XXXX
UPPER BYTE
t
HIGH
BINARY
16°C
D12
DIGITAL OUTPUT
HYST
t
F
, and T
t
HD:DAT
D11
8°C
D10
4°C
OS
7D0X
C90X
190X
008X
000X
FF8X
E70X
HEX
Register Definition
2°C
t
D9
SU:STA
REPEATED START
CONDITION
(SR)
1°C
D8
Figure 3. Temperature-to-Digital Transfer Function
0001 1001 0
0000 0000 1
0000 0000 0
1100 1001 0
0111 1101 0
1110 0111 0
1111 1111 1
0.5°C
LSB
t
D7
HD:STA
-55
ACKNOWLEDGE
D6
(A)
X
-25
D5
X
LOWER BYTE
-0.5 0 +0.5
LOCAL
t
SU:STO
D4
X
CONDITION
D3
X
STOP
+25
(P)
D2
X
t
BUF
CONDITION
START
D1
(S)
X
+125
D0
X