MCP9804T-E/MS Microchip Technology, MCP9804T-E/MS Datasheet - Page 15

• Manufacturer Part Number: MCP9804T-E/MS
• Description: High-Accuracy, 12-bit Thermal Sensor With Serial Interface 8 MSOP 3x3mm T/R
• Manufacturer: Microchip Technology

Specifications of MCP9804T-E/MS

• 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: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Temperature Threshold: + 150 C
• Full Temp Accuracy: +/- 0.25 %
• Digital Output - Bus Interface: 2-Wire, I2C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Supply Current: 200 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.0
The MCP9804 temperature sensors consists of a
band-gap type temperature sensor, a Delta-Sigma
Analog-to-Digital
programmable registers and a 2-wire SMBus/I
protocol compatible serial interface.
block diagram of the register structure.
FIGURE 5-1:
© 2009 Microchip Technology Inc.
FUNCTIONAL DESCRIPTION
A0
Converter
Functional Block Diagram.
A1
Register
Pointer
(ΔΣ
A2
Figure 5-1
Device ID/Rev
Resolution
ADC),
Configuration
Temperature
T
Manufacturer ID
T
T
UPPER
CRITICAL
LOWER
Hysteresis
Shutdown
Critical Trip Lock
Alarm Win. Lock
Clear Alert
Alert Status
Output Control
Critical Alert only
Alert Polarity
Alert
Alert
shows a
Limit
Limit
Limit
user-
Comp/Int
2
C
SMBus/Standard I
SDA
Interface
SCL
2
C
Temperature
Band-Gap
0.0625°C
ΔΣ
0.125°C
Sensor
0.25°C
0.5°C
ADC
V
DD
MCP9804
GND
DS22203B-page 15