MCP98243-BE/MC Microchip Technology, MCP98243-BE/MC Datasheet - Page 15

• Manufacturer Part Number: MCP98243-BE/MC
• Description: IC TEMP SENSOR 3V 2WIRE 8-DFN
• Manufacturer: Microchip Technology

Specifications of MCP98243-BE/MC

• Package / Case: 8-DFN
• Output Type: I²C™/SMBus™
• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 0.5°C
• Temperature Sensing Range: -40°C To +125°C
• Supply Current: 200µA
• Supply Voltage Range: 2.7V To 5.5V
• Sensor Case Style: DFN
• No. Of Pins: 8
• Rohs Compliant: Yes
• Resolution (bits): 8bit
• Supply Voltage Min: 3V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

5.0
The MCP9843/98243 temperature sensors consists of
a band-gap type temperature sensor, a Delta-Sigma
Analog-to-Digital Converter (ΣΔ ADC), user-program-
FIGURE 5-1:
© 2009 Microchip Technology Inc.
Register
A0
Pointer
FUNCTIONAL DESCRIPTION
MCP9843/98243 Temperature Sensor
A1
Configuration
Temperature
Manufacturer ID
Device ID/Rev
Resolution
Capability
T
T
T
UPPER
LOWER
CRIT
Shutdown
Critical Trip Lock
Alarm Win. Lock Bit
Event Polarity
Event Comp/Int
Selected Resolution
Output Feature
Hysteresis
Clear Event
Event Status
Output Control
Accepts V
Critical Event only
Shutdown Status
Temp. Range
Accuracy
I
A2
2
Functional Block Diagram.
C Bus Time-out
Event
HV
SDA
Temperature
0.0625°C/bit
Standard I
0.125°C/bit
Band-Gap
0.25°C/bit
ΣΔ ADC
0.5°C/bit
Sensor
Interface
2
C
SCL
mable registers and a 2-wire I
serial interface.
the register structure.
Memory
Control
Logic
MCP9843/98243
MCP98243 EEPROM
Figure 5-1
Decoder
Address
X
V
DD
shows a block diagram of
2
C protocol compatible
Address Decoder
HV Generator
Write Protect
GND
R/W Control
Sense Amp
Protected
Standard
(80h-FFh)
(00h-7Fh)
DS22153C-page 15
Array
Circuitry
Write
Array
Y