MCP9803-M/MS Microchip Technology, MCP9803-M/MS Datasheet - Page 5

• Manufacturer Part Number: MCP9803-M/MS
• Description: High-Accuracy, 12-bit Thermal Sensor With Serial Interface And Bus Timeout 8 MSO
• Manufacturer: Microchip Technology

Specifications of MCP9803-M/MS

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Full Temp Accuracy: +/- 0.5 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Digital Output - Number Of Bits: 12 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SERIAL INTERFACE TIMING SPECIFICATIONS
Timing Diagram
 2010 Microchip Technology Inc.
Electrical Specifications: Unless otherwise indicated, V
C
2-Wire I
Serial Port Frequency
Clock Period
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 Idle
Time Out
L
= 80 pF, and all limits measured to 50% point.
2
C™/SMBus Compatible Interface
Parameters
Start Condition
t
t
t
t
SU-START
SU-DATA
t
H-START
SU-STOP
H-DATA
t
Sym
t
t
t
HIGH
LOW
f
f
t
IDLE
OUT
t
SC
SC
SC
t
R
F
Min
2.5
1.3
0.6
0.1
0.6
0.6
0.6
1.3
10
20
20
25
0
0
Data Transmission
Typ
35
—
—
—
—
—
—
—
—
—
—
—
—
—
DD
= 2.7V to 5.5V, GND = Ground, -55°C < T
Max
400
400
300
300
0.9
50
—
—
—
—
—
—
—
—
Units
kHz
kHz
ms
µs
µs
µs
ns
ns
µs
µs
µs
µs
µs
µs
MCP9800/1/2/3
I
SMBus MCP9802/03
10% to 90% of V
90% to 10% of V
MCP9802/03 only
2
C MCP9800/01
Stop Condition
Conditions
DD
DD
(SCLK, SDA)
(SCLK, SDA)
DS21909D-page 5
A
< +125°C,