STDS75M2E STMicroelectronics, STDS75M2E Datasheet - Page 15

• Manufacturer Part Number: STDS75M2E
• Description: IC TEMP SENSOR DIGITAL SO-8
• Manufacturer: STMicroelectronics

Specifications of STDS75M2E

• 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 (3.9mm Width)
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Digital Output - Number Of Bits: 12 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: 497-6238 - BOARD STLM75/STDS75/ST72F651
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STDS75
2.7
Temperature data format
Table 3
for 12-bit resolution.
Temperature data for temperature, T
11-bit, and 12-bit depending upon the resolution bits RC1, RC0 (bits 6 and 5) in the
configuration register (see
The left-most hot in the output data stream controls temperature polarity information for
each conversion. If the sign bit is '0', the temperature is positive and of the sign bit is '1', the
temperature is negative.
Table 3.
+125 °C
+25.0625 °C
+10.125 °C
+0.5 °C
0 °C
–0.5 °C
–10.25 °C
–25.0625 °C
–55 °C
Temperature
shows the relationship between the output digital data and the external temperature
Relationship between temperature and digital output
Sign
0
0
0
0
0
1
1
1
1
Number of bits used by
conversion resolution
111
001
000
000
000
111
111
110
100
Table 7 on page
9-bit resolution
10-bit resolution
Doc ID 13297 Rev 8
11- bit resolution
OS
12-bit resolution
1101
1001
1010
0000
0000
1111
0101
0110
1001
and T
17). The default resolution is 9-bits.
HYS
9
0
0
0
1
0
1
1
1
0
registers is represented by 9-bit, 10-bit,
10
0
0
0
0
0
0
0
0
1
1
11
0
0
0
0
1
0
0
0
1
1
0
12
0
0
0
0
1
0
0
0
0
0
1
0
Always
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
zero
Operation
Digital
output
(HEX)
7D00
0A20
FF80
F5E0
E6F0
C900
1910
0080
0000
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