DS1780E Maxim Integrated Products, DS1780E Datasheet - Page 23

• 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

DC ELECTRICAL CHARACTERISTICS
Power Supply
DC ELECTRICAL CHARACTERISTICS:
Temperature-to-Digital Converter
DC ELECTRICAL CHARACTERISTICS:
Voltage-to-Digital Converter
Supply Current
Thermometer Error
Resolution
ADC Resolution
Voltage to Digital
Conversion
Resolution
(See Voltage A/D
Section)
Total Adjusted Error
Differential
Nonlinearity
Power Supply
Sensitivity
Monitoring Cycle
Input Resistance
PARAMETER
PARAMETER
PARAMETER
SYMBOL
SYMBOL
SYMBOL
DNL
T
TUE
PSS
R
I
DD
ERR
t
C
IN
Active ADC and
ADC, DAC and
DAC, Interface
CONDITION
CONDITION
CONDITION
Inactive ADC
+2.5V
+3.3V
and Interface,
+12V
+2.5V
DAC Active
+5V
-40°C£TA
-25°C£TA
-40°C£TA
£+125°C
Interface
0°C£TA
+V
Inactive
Inactive
£125°C
£100°C
£100°C
Inputs
IN
CCP1,2
IN
IN
IN
S
Input
Input
Input
Input
Input
23 of 28
(-40°C to +125°C, 2.8V £ V
(-40°C to +125°C, 2.8V £ V
(-40°C to +125°C, 2.8V £ V
MIN
MIN
MIN
500k
0.5
TYP
TYP
TYP
750k
13.0
17.2
26.0
62.5
14.1
64.0
125
250
0.7
0.5
±1
MAX
MAX
MAX
±1.5
500
1.0
1.0
±3
±2
±2
±1
8
UNITS
UNITS
UNITS
%/V
LSb
mA
mV
bits
µA
µA
°C
°C
%
Ω
s
DD
DD
DD
£ 5.75V)
£ 5.75V)
£ 5.75V)
NOTES
NOTES
NOTES
4, 5
6
7