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MIC281 Datasheet(PDF) 3 Page - Micrel Semiconductor

Part # MIC281
Description  Low-Cost IttyBitty Thermal Sensor IttyBitty
Download  12 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

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November 2004
3
MIC281
MIC281
Micrel
Absolute Maximum Ratings (Note 1)
Power Supply Voltage, VDD.....................................................3.8V
Voltage on T1 ........................................–0.3V to VDD+0.3V
Voltage on CLK, DATA....................................–0.3V to 6.0V
Current Into Any Pin ................................................. ±10mA
Power Dissipation, TA = 125°C................................109mW
Junction Temperature................................................ 150°C
Storage Temperature................................ –65°C to +150°C
ESD Ratings,
Note 7
Human Body Model ................................................ 1.5kV
Machine Model ........................................................ 200V
Soldering (SOT23-6 Package)
Vapor Phase (60s).........................................220 +5/–0°C
Infrared (15s) .................................................235 +5/–0°C
Operating Ratings (Note 2)
Power Supply Voltage, VDD......................... +3.0V to +3.6V
Ambient Temperature Range (TA) .............. –40°C to +85°C
Package Thermal Resistance (θJA)
SOT-23-6 ...........................................................230°C/W
Electrical Characteristics
For typical values, TA=25°C, VDD=3.3V unless otherwise noted. Bold values are for TMIN≤TA≤TMAX unless otherwise noted. Note 2
Symbol
Parameter
Condition
Min
Typ
Max
Units
Power Supply
IDD
Supply Current
T1 open; CLK=DATA=High; Normal Mode
0.23
0.4
mA
Shutdown mode; T1 open; CLK = 100kHz;
9
µA
Note 5
Shutdown Mode; T1 open; CLK=DATA=High
6
µA
tPOR
Power-on reset time,
Note 5
VDD > VPOR
200
µs
VPOR
Power-on reset voltage
All registers reset to default values; A/D
2.65
2.95
V
conversions initiated
VHYST
Power-on reset hysteresis voltage
300
mV
Note 5
Temperature-to-Digital Converter Characteristics
Accuracy,
Notes 3, 5, 6
0°C ≤ TD ≤ 100°C; 0°C ≤ TA ≤ 85°C;
±
1
±
3
°C
3.15V ≤ VDD ≤ 3.45V
–40°C ≤ TD ≤ 125°C; 0°C ≤ TA ≤ 85°C;
±
2
±
5
°C
3.15V ≤ VDD ≤ 3.45V
tCONV
Conversion time,
Note 5
200
240
ms
Remote Temperature Input, T1
IF
Current into External Diode
T1 forced to 1.0V, high level
192
400
µA
Note 5
Low level
7
12
µA
Serial Data I/O Pin, DATA
VOL
Low Output Voltage,
Note 4
IOL = 3mA
0.3
V
IOL = 6mA
0.5
V
VIL
Low Input Voltage
3.0V ≤ VDD ≤ 5.5V
0.8
V
VIH
High Input Voltage
3.0V ≤ VDD ≤ 5.5V
2.1
5.5
V
CIN
Input Capacitance,
Note 5
10
pF
ILEAK
Input Current
±
1
µA


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