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MIC284_05 Datasheet, PDF (3/20 Pages) Micrel Semiconductor – Two-Zone Thermal Supervisor
MIC284
Absolute Maximum Ratings (Note 1)
Power Supply Voltage, VDD.......................................... 6.0V
Voltage on Any Pin ................................ –0.3V to VDD+0.3V
Current Into Any Pin ................................................ ±10 mA
Power Dissipation, TA = +125°C................................ 30mW
Junction Temperature .............................................. +150°C
Storage Temperature................................ –65°C to +150°C
ESD Ratings (Note 3)
Human Body Model ...................................................TBD V
Machine Model .......................................................... TBD V
Soldering
Vapor Phase (60 sec.) .............................. +220°C +5⁄–0°C
Infrared (15 sec.) ...................................... +235°C +5⁄–0°C
Micrel, Inc.
Operating Ratings (Note 2)
Power Supply Voltage, VDD......................... +2.7V to +5.5V
Ambient Temperature Range (TA) ............. -55°C to +125°C
Package Thermal Resistance (θJA)
SOP ................................................................. +152°C/W
MSOP .............................................................. +206°C/W
Electrical Characteristics
2.7V ≤ VDD ≤ 5.5; TA = +25°C, bold values indicate –55°C ≤ TA ≤ +125°C, Note 4; unless noted.
Symbol
Parameter
Condition
Min Typ Max Units
Power Supply
IDD
Supply Current
/INT, open, A0 = VDD or GND,
CLK = DATA = high, normal mode
350 750
µA
/INT, /CRIT open, A0 = VDD or GND
shutdown mode, CLK = 100kHz
3
µA
/INT, /CRIT open, A0 = VDD or GND
shutdown mode, CLK = DATA = high
1
10
µA
tPOR
VPOR
Power-On Reset Time, Note 7
Power-On Reset Voltage
VDD > VPOR
all registers reset to default values,
A/D conversions initiated
200
µs
2.0
2.7
V
VHYST
Power-On Reset
Hysteresis Voltage
250
mV
Temperature-to-Digital Converter Characteristics
tCONV0
Accuracy—Local Temperature
Note 4, 9
3V ≤ VDD ≤ 3.6V
Accuracy—Remote Temperature
Note 4, 5, 9
3V ≤ VDD ≤ 3.6V, 0°C ≤ TA ≤ +85°C
Conversion Time, local zone
Note 7
0°C ≤ TA ≤ +100°C, /INT and /CRIT open,
3V ≤ VDD ≤ 3.6V
–55°C ≤ TA ≤ +125°C, /INT and /CRIT open,
0°C ≤ TD ≤ +100°C, /INT and /CRIT open,
3V ≤ VDD ≤ 3.6V, 0°C ≤ TA ≤ +85°C
–55°C ≤ TD ≤ +125°C, /INT and /CRIT open,
±1
±2
°C
±2
±3
°C
±1
±3
°C
±2
±5
°C
50
80
ms
tCONV1
Conversion Time, remote zone
Note 7
100 160 ms
Remote Temperature Input (T1)
IF
Current to External Diode
high level, T1 forced to 1.5V
Note 7
low level
224 400
µA
7.5
14
µA
Address Input (A0)
VIL
VIH
CIN
ILEAK
Low Input Voltage
High Input Voltage
Input Capacitance
Input Current
2.7V ≤ VDD ≤ 5.5V
2.7V ≤ VDD ≤ 5.5V
0.6
V
2.0
V
10
pF
±0.01 ±1
µA
September 2005
3
MIC284