MIC280_06 Datasheet, PDF (3/23 Pages) Micrel Semiconductor – Precision IttyBitty Thermal Supervisor

MIC280
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, /INT..............................–0.3V to 6V
Current Into Any Pin ................................................. ±10mA
Power Dissipation, T_A = 125°C ................................ 109mW
Storage Temperature................................ –65°C to +150°C
ESD Ratings, Note 3
Human Body Model ................................................ 1.5kV
Machine Model ........................................................ 200V
Soldering (SOT23-6 Package)
Vapor Phase (60s) .....................................220°C ⁺⁵/-0°C
Infrared (15s) .............................................235°C ⁺⁵/-0°C
Micrel
Operating Ratings (Note 2)
Power Supply Voltage, V_DD............................ +3V to +3.6V
Ambient Temperature Range (T_A) .......... –55°C to +125°C
Junction Temperature ................................................ 150°C
Package Thermal Resistance (θ_JA)
SOT23-6 ............................................................ 230°C/W
Electrical Characteristics
For typical values T_A = 25°C, V_DD = 3.3V, unless otherwise noted.
Bold values indicate –55°C ≤ T_A ≤ 125°C, 3.0V ≤ V_DD ≤ 3.6V, unless otherwise noted. Note 2
Symbol
Parameter
Conditions
Power Supply
I_DD
Supply Current
/INT, T1 open; CLK = DATA= High;
Normal Mode
Shutdown Mode; /INT, T1 open; Note 5
CLK = 100kHz, DATA= High
Shutdown Mode; /INT, T1 open;
CLK = DATA= High
t_POR
V_POR
Power-on Reset Time, Note 5
Power-on Reset Voltage
V_DD > V_POR
All registers reset to default values;
A/D conversions initiated
V_HYST
Power-on Reset Hysteresis Voltage
Note 5
Temperature-to-Digital Converter Characteristics
Accuracy, Remote Temperature
Notes 2, 7, 10, 11
Accuracy, Local Temperature
Note 2, 10
60°C ≤ T_D ≤ 100°C,
3.15V < V_DD < 3.45V, 25°C < T_A < 85°C
0°C ≤ T_D ≤ 100°C,
3.15V < V_DD < 3.45V, 25°C < T_A < 85°C
–55°C ≤ T_D ≤ 125°C,
3.15V < V_DD < 3.45V, 25°C < T_A < 85°C
0°C ≤ T_A ≤ 100°C, 3.15V < V_DD < 3.45V
–55°C ≤ T_A ≤ 125°C, 3.15V < V_DD < 3.45V
t_CONV
Conversion Time, Notes 2, 8
Remote Temperature Input, T1
I_F
Current into External Diode
Note 5
RES[1:0]=00 (9 bits)
RES[1:0]=01 (10 bits)
RES[1:0]=10 (11 bits)
RES[1:0]=11 (12 bits)
T1 forced to 1.0V, High level
Low level
Min. Typ Max Units
0.23 0.4
mA
9
µA
6
µA
200
µs
2.65 2.95
V
300
mV
±0.25 ±1
°C
±1
±2
°C
±2
±4
°C
±1
±2
°C
±1.5 ±2.5 °C
200 240 ms
330 390 ms
570 670 ms
1000 1250 ms
192 400
µA
7
12
µA
May 2006
3
MIC280