STLM75M2E STMicroelectronics, STLM75M2E Datasheet - Page 31

• Manufacturer Part Number: STLM75M2E
• Description: IC TEMP SENSOR DIGITAL SO-8
• Manufacturer: STMicroelectronics

Specifications of STLM75M2E

• Featured Product: STM32 Cortex-M3 Companion Products
• Function: Temp Sensor, Watchdog
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Digital Output - Number Of Bits: 9 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 0.5°C
• Temperature Sensing Range: -55°C To +125°C
• Supply Current: 125µA
• Supply Voltage Range: 2.7V To 5.5V
• Sensor Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• For Use With: 497-10508 - BOARD EVAL FOR MEMS SENSORS497-10048 - BOARD EVAL ACCELEROMETER497-6238 - BOARD STLM75/STDS75/ST72F651
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STLM75
Figure 16. Bus timing requirements sequence
Table 13.
1. Valid for ambient operating temperature: T
2. Devices are tested at maximum clock frequency of 400 kHz.
3. Transmitter must internally provide a hold time to bridge the undefined region (300 ns max) of the falling
4. For SMBus compatibility, the STLM75 supports bus time-out. Holding the SDA line low for a time greater
t
t
SDA
SCL
HD:DAT
TIME-OUT
t
t
t
t
SU:STO
HD:STA
SU:DAT
SU:STA
t
Sym
t
t
edge of SCL.
than time-out will cause the STLM75 to reset the SDA to the idle state of serial bus communication (SDA
set to high).
f
HIGH
LOW
BUF
SCL
t
t
R
F
tBUF
(3)
SCL clock frequency
Time the bus must be free before a new transmission can start
SDA and SCL fall time
Data hold time
START condition hold time
(after this period the first clock pulse is generated)
Clock high period
Clock low period
SDA and SCL rise time
Data setup time
START condition setup time
(only relevant for a repeated start condition)
STOP condition setup time
SDA time low for reset of serial interface
P
AC characteristics
S
tHD:STA
tR
Doc ID 13296 Rev 12
tLOW
tHIGH
Parameter
tF
A
= –55 to 125 °C; V
(1)(2)
tHD:DAT
(4)
tSU:DAT
DD
= 2.7 V to 5.5 V (except where noted).
SR
DC and AC parameters
tSU:STA
tHD:STA
Min
600
600
100
600
600
1.3
1.3
75
0
0
P
Max Unit
400
300
300
325
tSU:STO
AI00589
31/40
kHz
ms
ns
µs
µs
ns
ns
µs
ns
ns
ns
ns