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TCN75AVOA Datasheet(PDF) 2 Page - Microchip Technology

Part # TCN75AVOA
Description  2-Wire Serial Temperature Sensor
PDF  32 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TCN75AVOA Datasheet(HTML) 2 Page - Microchip Technology

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TCN75A
DS21935C-page 2
© 2006 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings †
VDD....................................................................... 6.0V
Voltage at all Input/Output pins .... GND – 0.3V to 5.5V
Storage temperature ..........................-65°C to +150°C
Ambient temp. with power applied .....-55°C to +125°C
Junction Temperature (TJ).................................. 150°C
ESD protection on all pins (HBM:MM)....... (4 kV:400V)
Latch-up current at each pin ......................... ±200 mA
†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
operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, VDD = 2.7V to 5.5V, GND = Ground, and
TA = -40°C to +125°C.
Parameters
Sym
Min
Typ
Max
Unit
Conditions
Power Supply
Operating Voltage Range
VDD
2.7
—
5.5
V
Operating Current
IDD
—
200
500
μA
Continuous operation
Shutdown Current
ISHDN
—0.1
2
μA
Shutdown mode
Power-On Reset (POR) Threshold
VPOR
—1.7
—
V
VDD falling edge
Power Supply Rejection
Δ°C/ΔVDD
—0.2
—
°C/V
VDD = 2.7V to 5.5V
Temperature Sensor Accuracy
TA = -40°C to +125°C
TACY
-2
±1
+2
°C
VDD = 3.3V
Internal
ΣΔ ADC
Conversion Time:
0.5°C Resolution
tCONV
—
30
—
ms
33 samples/sec (typ.)
0.25°C Resolution
tCONV
—
60
—
ms
17 samples/sec (typ.)
0.125°C Resolution
tCONV
—
120
—
ms
8 samples/sec (typ.)
0.0625°C Resolution
tCONV
—
240
—
ms
4 samples/sec (typ.)
Alert Output (Open-drain)
High-level Current
IOH
——
1
μAVOH = 5V
Low-level Voltage
VOL
——
0.4
V
IOL= 3 mA
Thermal Response
Response Time
tRES
—
1.4
—
s
Time to 63% (89°C)
27°C (air) to 125°C (oil
bath)



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