MCP9805-BE/ST Microchip Technology, MCP9805-BE/ST Datasheet - Page 4

• Manufacturer Part Number: MCP9805-BE/ST
• Description: IC,TEMPERATURE SENSOR,TSSOP,8PIN,PLASTIC
• Manufacturer: Microchip Technology

Specifications of MCP9805-BE/ST

• Rohs Compliant: YES
• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP
• Temperature Threshold: Programmable
• Full Temp Accuracy: 3 C
• Digital Output - Bus Interface: I2C, SMBus
• Digital Output - Number Of Bits: 10 bit
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 20 C
• Supply Current: 500 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP9805
SERIAL INTERFACE TIMING CHARACTERISTICS
Timing Diagram
TEMPERATURE CHARACTERISTICS
DS21977B-page 4
Electrical Specifications: Unless otherwise indicated, V
C
2-Wire SMBus/Standard Mode I
Serial Port Clock Frequency
Low Clock
High Clock
Rise Time
Fall Time
Data Setup Before SCLK High
Data Hold After SCLK Low
Start Condition Setup Time
Start Condition Hold Time
Stop Condition Setup Time
Bus Free
Time Out
Electrical Specifications: Unless otherwise indicated, V
Temperature Ranges
Specified Temperature Range
Operating Temperature Range
Storage Temperature Range
Thermal Package Resistances
Thermal Resistance, 8L-DFN
Thermal Resistance, 8L-TSSOP
Note 1:
SCLK
L
Note:
SDA
= 80 pF and all limits measured to 50% point.
START Condition
t
SU-START
Parameters
Operation in this range must not cause T
The serial interface specification min./max. limits are specified by characterization (not production tested).
Parameters
t
H-START
t
OUT
2
t
t
t
t
t
SU-START
HD-START
C™ Compatible Interface (Note)
SU-STOP
SU-DATA
HD-DATA
t
B-FREE
t
Sym
t
t
HIGH
LOW
f
OUT
SC
t
t
R
F
Sym
T
T
T
t
Min
250
300
SU-DATA
JA
JA
4.7
4.0
4.7
4.0
4.0
4.7
A
A
A
10
25
—
—
J
to exceed Maximum Junction Temperature (+150°C).
Data Transmission
Typ
Min
-20
-40
-65
40
—
—
—
—
—
—
—
—
—
—
—
—
—
DD
DD
t
H-DATA
= 3.0V to 3.6V, GND = Ground, T
= 3.0V to 3.6V, GND = Ground.
1000
Max
123.7
100
300
50
—
—
—
—
—
—
—
—
Typ
41
—
—
—
t
HIGH
Units
kHz
ms
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
+125
+125
+150
Max
—
—
t
t
LOW
R
(V
(V
, t
IL MAX
IH MIN
F
Units
°C/W
°C/W
°C
°C
°C
© 2005 Microchip Technology Inc.
+ 0.15V) to (V
- 0.15V) to (V
Conditions
Note 1
A
= -20°C to +125°C,
STOP Condition
t
SU-STOP
Conditions
IH MIN
IL MAX
t
B-FREE
+ 0.15V)
- 0.15V)