MIC281
Micrel
Absolute Maximum Ratings
(Note 1)
Power Supply Voltage, V
DD .....................................................
3.8V
Voltage on T1 ........................................ –0.3V to V
DD
+0.3V
Voltage on CLK, DATA....................................–0.3V to 6.0V
Current Into Any Pin ................................................. ±10mA
Power Dissipation, T
A
= 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, V
DD
......................... +3.0V to +3.6V
Ambient Temperature Range (T
A
) .............. –40°C to +85°C
Package Thermal Resistance (θ
JA
)
SOT-23-6 ........................................................... 230°C/W
Electrical Characteristics
For typical values, T
A
=25°C, V
DD
=3.3V unless otherwise noted.
Bold
values are for T
MIN
≤ T
A
≤ T
MAX
unless otherwise noted.
Note 2
Symbol
Parameter
Condition
Min
Typ
Max
0.4
Power Supply
I
DD
Supply Current
T1 open; CLK=DATA=High; Normal Mode
Shutdown mode; T1 open; CLK = 100kHz;
Note 5
Shutdown Mode; T1 open; CLK=DATA=High
t
POR
Power-on reset time,
Note 5
Power-on reset voltage
Power-on reset hysteresis voltage
Note 5
Accuracy,
Notes 3, 5, 6
0°C ≤ T
D
≤ 100°C; 0°C ≤ T
A
≤ 85°C;
3.15V ≤ V
DD
≤ 3.45V
V
POR
V
HYST
V
DD
> V
POR
All registers reset to default values; A/D
conversions initiated
0.23
9
6
200
2.65
300
2.95
mA
µA
µA
µs
V
mV
Units
Temperature-to-Digital Converter Characteristics
±1
±2
200
192
7
12
0.3
0.5
0.8
2.1
10
±1
5.5
±3
±5
240
400
°C
°C
ms
µA
µA
V
V
V
V
pF
µA
t
CONV
I
F
Conversion time,
Note 5
Current into External Diode
Note 5
Low Output Voltage,
Note 4
Low Input Voltage
High Input Voltage
Input Capacitance,
Note 5
Input Current
–40°C ≤ T
D
≤ 125°C; 0°C ≤ T
A
≤ 85°C;
3.15V ≤ V
DD
≤ 3.45V
Remote Temperature Input, T1
T1 forced to 1.0V, high level
Low level
I
OL
= 3mA
Serial Data I/O Pin, DATA
V
OL
V
IL
I
OL
= 6mA
V
IH
C
IN
3.0V ≤ V
DD
≤ 5.5V
3.0V ≤ V
DD
≤ 5.5V
I
LEAK
November 2004
3
MIC281
MICREL [ MICREL SEMICONDUCTOR ]
