MCP9902/3/4
DS20005382C-page 4 2015-2016 Microchip Technology Inc.
External Temperature Monitor
Temperature Accuracy
(MCP9902)
— -1 ±0.25 +1 °C -40°C < T
DIODE
< +105°C,
-40°C < T
A
<+65°C
-2 ±0.25 +2 °C -40°C < T
DIODE
< +125°C
-40°C < T
A
< +125°C
Temperature Accuracy
(MCP9903, MCP9904)
— -1 ±0.25 +1 °C -40°C < T
DIODE
< +125°C,
-40°C < T
A
<+65°C
-2 ±0.25 +2 °C +40°C < T
DIODE
< +125°C
-40°C < T
A
< +125°C
Temperature
Resolution
——0.125—°C—
Internal Temperature Monitor
Temperature Accuracy — -1 ±0.25 +1 °C -40°C < T
A
< +65°C
-2 ±0.5 +2 °C -40°C < T
A
< +125°C
Temperature
Resolution
——0.125—°C—
Timing and Capacitive Filter
Time to First
Communications
t
INT_T
— 15 20 ms Time after power up before ready to
begin communications and
measurement
Conversion Time All
Channels
(MCP9903, MCP9904)
t
CONV
— 190 — ms Default settings
Conversion Time All
Channels
(MCP9902)
t
CONV
— 150 — ms Default settings
Time to First
Conversion from
Standby
t
CONV1
— 220 — ms Default settings
Capacitive Filter C
FILTER
— 2.2 2.7 nF Connected across external diode
ALERT and THERM Pins
Output Low Voltage V
OL
0.4 — — V I
SINK
=8mA
Leakage Current I
LEAK
——±5µA
ALERT
and THERM pins
Device powered or
unpowered
T
A
< +85°C
pull-up voltage <
3.6V
1.2 DC Characteristics (Continued)
Electrical Characteristics: Unless otherwise specified, 3.0 ≤ V
DD
≤ 3.6V at -40°C ≤ T
A
≤ +125°C
Characteristic Sym. Min. Typ. Max. Units Conditions
1.3 Thermal Specifications
Electrical Characteristics: Unless otherwise specified, 3.0 V
DD
3.6V at -40C T
A
+125C
Parameters Sym. Min. Typ. Max. Units Test Conditions
Temperature Ranges
Specified Temperature Range T
A
-40 — +125 °C
Operating Temperature Range T
A
-40 — +125 °C
Storage Temperature Range T
A
-65 — +125 °C
Thermal Package Resistances (Note 1)
Thermal Resistance, 8L-WDFN, 2x2
JA
— 141.3 — °C/W
