DS1780E+ Maxim Integrated Products, DS1780E+ Datasheet - Page 27
![IC CPU PERIPHERAL MON 24-TSSOP](/photos/6/56/65600/175-24-tssop_sml.jpg)
DS1780E+
Manufacturer Part Number
DS1780E+
Description
IC CPU PERIPHERAL MON 24-TSSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1780E.pdf
(28 pages)
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
2-WIRE BUS TIMING DIAGRAM Figure 8
NOTES:
1. All voltages are referenced to ground, unless otherwise specified.
When the input voltage (VIN) at any pin exceeds the power supplies (V
2. Solder according to IPC standards.
3. IDD specified with open-drain output pin open.
4. IDD specified with V
5. TUE (Total Unadjusted Error) includes Offset, Gain and Linearity errors of the ADC.
6. Monitoring Cycle Time includes temperature conversion, voltage conversions, and fan speed
7. The total fan count is based on 2 pulses per revolution of the fan tachometer output.
8. Limits (Min and Max specs) are defined for the full temperature range -40°C £ T
ORDERING INFORMATION Table 11
Note : A "+" symbol will also be marked on the package near the Pin 1 indicator
DS1780E+
DS1780E+T&R
DS1780E
DS1780E/T&R
ORDERING
>V
maximum package input current rating limits the number of pins that can safely exceed the power
supplies with an input current of 5 mA to four.
readings.
voltage range 2.8V £ V
parametric norms at T
NUMBER
DD
, except for analog voltage inputs), the current at that pin should be limited to 5 mA. The 20 mA
DS1780 (See Note)
DS1780 (See Note)
DS1780
DS1780
MARKING
PACKAGE
CC
A
= 25°C at 4.5V £ V
at 5.0V and SDA, SCL = 5.0V.
DD
£ 5.75V, unless otherwise stated as a condition. Typical values represent
DS1780 in Lead-Free 24-pin TSSOP
DS1780 in Lead-Free 24-pin TSSOP, 1000 Piece Tape-and-
Reel
DS1780 in 24-pin TSSOP
DS1780 in 24-pin TSSOP, 1000 Piece Tape-and-Reel
DD
27 of 28
£ 5.5V, unless otherwise stated as a condition.
DESCRIPTION
IN
< (GND or GNDA) or V
A
£ +125°C and
IN