MCP9803T-M/SN Microchip Technology, MCP9803T-M/SN Datasheet - Page 4

• Manufacturer Part Number: MCP9803T-M/SN
• Description: High-Accuracy, 12-bit Thermal Sensor With Serial Interface And Bus Timeout 8 SOI
• Manufacturer: Microchip Technology

Specifications of MCP9803T-M/SN

• 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-SOIC (3.9mm Width)
• 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, Lead free / RoHS Compliant

MCP9800/1/2/3
SERIAL INTERFACE TIMING SPECIFICATIONS
Timing Diagram
DS21909B-page 4
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.
START Condition
Data Transmission
STOP Condition
2
C/SMBus Compatible Interface
Parameters
SCLK
SDA
SCLK
SDA
SCLK
SDA
t
SU-DATA
t
SU-START
t
t
t
SU-START
t
SU-STOP
SU-DATA
t
H-START
H-DATA
t
Sym
t
t
t
HIGH
LOW
IDLE
f
f
t
OUT
SC
SC
SC
t
t
R
F
t
H-START
Min
2.5
1.3
0.6
0.1
0.6
0.6
0.6
1.3
10
20
20
25
0
0
t
H-DATA
Typ
35
—
—
—
—
—
—
—
—
—
—
—
—
—
DD
t
SU-STOP
= 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
µs
µs
µs
µs
µs
µs
t
ns
ns
IDLE
t
HIGH
I
SMBus MCP9802/03
10% to 90% of V
90% to 10% of V
MCP9802/03 only
2
C MCP9800/01
t
SC
 2004 Microchip Technology Inc.
t
t
R
OUT
,t
t
F
LOW
Conditions
DD
DD
(SCLK, SDA)
(SCLK, SDA)
A
< +125°C,