DS1780E Maxim Integrated Products, DS1780E Datasheet - Page 22

• Manufacturer Part Number: DS1780E
• Description: IC CPU PERIPHERAL MON 24-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of DS1780E

• Function: Thermal Monitor, CPU Peripherals
• Topology: ADC (Sigma Delta), Comparator, Fan Speed Control, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 2.8 V ~ 5.75 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Full Temp Accuracy: +/- 12 %
• Digital Output - Bus Interface: Serial (2-Wire)
• Digital Output - Number Of Bits: 8 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

* This is a stress rating only and functional operation of the device at these or any other conditions above
4. This register will latch an 8-bit value into an R-2R D/A to provide a range of 0-1.25 volts; accuracy
5. This location will contain the company identification number which will be used by software to
6. This location will contain the stepping number of the part; this register is read only.
ABSOLUTE MAXIMUM RATINGS*
Voltage on V
Voltage on any other pin (except Analog Inputs)
Voltage at +12V
Voltage at other Analog input pins
Ground Difference (GNDD-GNDA)
Input Current at any Pin (Note 2)
Package Input Current (Note 2)
Operating Temperature
Storage Temperature
ESD Susceptibility (Human Body Model)
Soldering Temperature (Note 3)
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
The Dallas Semiconductor DS1780 is built to the highest quality standards and manufactured for long
term reliability. All Dallas Semiconductor devices are made using the same quality materials and
manufacturing methods. However, the DS1780 is not exposed to environmental stresses, such as burn-in,
that some industrial applications require. For specific reliability information on this product, please
contact the factory in Dallas at [phone].
RECOMMENDED DC OPERATING CONDITIONS
Supply Voltage
Ground Difference
Digital
Input Voltage
PARAMETER
can be ±5% or more.
determine analog voltage curves; this register is read only.
DD
IN
pin
SYMBOL
∆GND
V
V
IND
DD
CONDITION
IGNDD-
GNDAI
22 of 28
(-40°C to +125°C, 2.8V £ V
MIN
-0.05
2.8
(GNDD-0.3V) to (V
(GNDD-0.3V) to 18V
(GNDD-0.3V) to 7.0V
±5 mA
±20 mA
2kV
(GNDD-0.3V) to +6.5V
±0.3V
-40°C to +125°C
-65°C to +150°C
215°C for 60 seconds (Vapor Phase)
220°C for 15 seconds (IR)
TYP
V
DD
MAX
5.75
0.1
+0.05
DD
+ 0.3V)
UNITS
V
V
V
DD
£ 5.75V)
NOTES
DS1780