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TC77-5.0MCTTR Fiches technique(PDF) 2 Page - Microchip Technology

No de pièce TC77-5.0MCTTR
Description  Thermal Sensor with SPI Interface
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TC77-5.0MCTTR Fiches technique(HTML) 2 Page - Microchip Technology

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TC77
DS20092A-page 2
 2002 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
1.1
Absolute Maximum Ratings †
VDD........................................................................6.0V
All inputs and outputs w.r.t. VSS ..... -0.3V to VDD +0.3V
Storage temperature ..........................-65°C to +150°C
Ambient temp. with power applied .....-55°C to +125°C
Junction Temperature......................................... 150°C
ESD protection on all pins:
Human Body Model (HBM)..............................>4 kV
Machine Model (MM) ......................................>200V
† Notice: Stresses above those listed under "Maximum
Ratings" may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operation listings of this specification is not implied. Exposure
to maximum rating conditions for extended periods may affect
device reliability.
PIN FUNCTION TABLE
Name
Function
SI/O
Serial Data Pin
SCK
Serial Clock
VSS
Ground
CS
Chip Select (Active-Low)
NC
No Connection
VDD
Power Supply
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise noted, all parameters apply at VDD = 2.7V to 5.5V and
TA = -55°C to +125°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Power Supply
Operating Voltage Range
VDD
2.7
5.5
V
Note 1
Operating Current
IDD
250
400
µA
Continuous Temperature
Conversion Mode
Power-On Reset Threshold
VPOR
1.2
1.6
2.2
V
V
DD falling or rising edge
Standby Supply Current
IDD-
STANDBY
0.1
1.0
µA
Shutdown Mode
Temperature to Bits Converter
Resolution
13
Bits
ADC LSb = 0.0625°C/bit
(Note 4)
Temperature Conversion Time
tCT
300
400
ms
Temperature Accuracy
(Note 1)
TERR
-1.0
-2.0
-3.0
+1.0
+2.0
+3.0
°C
+25°C < TA < +65°C
-40°C < TA < +85°C
-55°C < TA < +125°C
TC77-3.3MXX: VDD = 3.3V
TC77-5.0MXX: VDD = 5.0V
Note 1: The TC77-3.3MXX and TC77-5.0MXX will operate from a supply voltage of 2.7V to 5.5V. However, the tem-
perature accuracy of the TC77-3.3MXX and TC77-5.0MXX is specified at the nominal operating voltages of
3.3V and 5.0V, respectively. As VDD varies from the nominal operating value, the accuracy may be
degraded (Refer to Figures 2-6 and 2-7).
2: All time measurements are measured with respect to the 50% point of the signal.
3: Load Capacitance, CL = 80 pF, is used for AC timing measurements of output signals.
4: Resolution = Temperature Range/No. of Bits = (+255°C – -256°C) / (213)
Resolution = 512/8192 = 0.0625°C/Bit


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