DS75U Maxim Integrated Products, DS75U Datasheet - Page 5

• Manufacturer Part Number: DS75U
• Description: IC WATCHDOG THERM 2-W 3/5V 8MSOP
• Manufacturer: Maxim Integrated Products

Specifications of DS75U

• Function: Thermometer, Thermostat
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: Serial (2-Wire)
• Digital Output - Number Of Bits: 12 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC ELECTRICAL CHARACTERISTICS
NOTES:
1. All voltages are referenced to ground.
2. Internal heating caused by O.S. loading will cause the DS75 to read approximately 0.5°C higher if
3. I
4. I
5. See Timing Diagram in Figure 2. All timing is referenced to 0.9 x V
6. After this period, the first clock pulse is generated.
7. For example, if C
PARAMETER
Resolution
Temperature
Conversion Time
SCL Frequency
Bus Free Time
Between a STOP and
START Condition
START and Repeated
START Hold Time
from Falling SCL
Low Period of SCL
High Period of SCL
Repeated START
Condition Setup Time
to Rising SCL
Data-Out Hold Time
from Falling SCL
Data-In Setup Time to
Rising SCL
Rise Time of SDA and
SCL
Fall Time of SDA and
SCL
STOP Setup Time to
Rising SCL
Capacitive
Each Bus Line
Input Capacitance
O.S. is sinking the max rated current.
DD
DD
specified with O.S. pin open.
specified with V
Load
B
= 300pF, then t
for
DD
at 5.0V and SDA, SCL = 5.0V, 0°C to 70°C.
SYMBOL
t
t
t
t
t
t
HD:DAT
HD:STA
SU:DAT
CONVT
t
SU:STA
SU:STO
t
f
t
HIGH
LOW
C
BUF
SCL
C
t
t
R
F
B
I
R
[min] = t
CONDITION
9-bit
conversions
10-bit
conversions
11-bit
conversions
12-bit
conversions
F
[min] = 50ns.
5 of 14
20 + 0.1C
20 + 0.1C
(-55°C to +125°C; 2.7V ≤ V
MIN
100
1.3
0.6
1.3
0.6
0.6
0.6
9
0
B
B
DD
TYP
and 0.1 x V
5
MAX
1200
1000
150
300
600
400
300
400
0.9
12
DD
.
UNITS
KHz
bits
ms
pF
pF
μs
μs
μs
μs
μs
μs
ns
ns
ns
μs
DD
≤ 5.5V)
NOTES
DS75
5, 6
5, 7
5, 7
5
5
5
5
5
5
5