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MCP9808T-E/MC

Description
Temp Sensor Digital Serial (2-Wire, I2C, SMBus) Automotive 8-Pin DFN EP T/R
File Size2MB,53 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance
Download Datasheet Parametric View All

MCP9808T-E/MC Overview

Temp Sensor Digital Serial (2-Wire, I2C, SMBus) Automotive 8-Pin DFN EP T/R

MCP9808T-E/MC Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Module/IC ClassificationIC
Accuracy±0.25°C
Interface TypeSerial (2-Wire, I2C, SMBus)
Output TypeDigital
Minimum Operating Supply Voltage (V)2.7
Typical Operating Supply Voltage (V)3.3|5
Maximum Operating Supply Voltage (V)5.5
Maximum Supply Current (uA)400
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)125
Supplier Temperature GradeExtended
PackagingTape and Reel
Supplier PackageDFN EP
Pin Count8
MountingSurface Mount
Package Height0.88
Package Length2
Package Width3
PCB changed8
MCP9808
±0.5°C Maximum Accuracy Digital Temperature Sensor
Features
• Accuracy:
- ±0.25 (typical) from –40°C to +125°C
- ±0.5°C (maximum) from –20°C to 100°C
- ±1°C (maximum) from –40°C to +125°C
- ±0.0625°C or ±1 LSb (typical) repeatability
• User-Selectable Measurement Resolution:
- +0.5°C, +0.25°C, +0.125°C, +0.0625°C
• User-Programmable Temperature Limits:
- Temperature Window Limit
- Critical Temperature Limit
• User-Programmable Temperature Alert Output
• Operating Voltage Range: 2.7V-5.5V
• Operating Current: 200
μA
(typical)
• Shutdown Current: 0.1
μA
(typical)
• 2-wire Interface: I
2
C/SMBus Compatible
• Available Packages: 2x3 DFN-8, MSOP-8
General Description
Microchip Technology Inc.’s MCP9808 digital temperature
sensor converts temperatures between –20°C and
+100°C to a digital word with ±0.25°C/±0.5°C (typi-
cal/maximum) accuracy.
The MCP9808 comes with user-programmable registers
that provide flexibility for temperature sensing
applications. The registers allow user-selectable
settings such as Shutdown or Low-Power modes and
the specification of temperature Alert window limits and
critical output limits. When the temperature changes
beyond the specified boundary limits, the MCP9808
outputs an Alert signal. The user has the option of setting
the Alert output signal polarity as an active-low or active-
high comparator output for thermostat operation, or as a
temperature Alert interrupt output for microprocessor-
based systems. The Alert output can also be configured
as a critical temperature output only.
This sensor has an industry standard 400 kHz, 2-wire,
SMBus/I
2
C compatible serial interface, allowing up to
eight or sixteen sensors to be controlled with a single
serial bus (see
Table 3-2
for available Address codes).
These features make the MCP9808 ideal for
sophisticated, multi-zone, temperature-monitoring
applications.
Typical Applications
General Purpose
Industrial Applications
Industrial Freezers and Refrigerators
Food Processing
Personal Computers and Servers
PC Peripherals
Consumer Electronics
Handheld/Portable Devices
Package Types
8-Pin 2x3 DFN*
SDA 1
SCL 2
Alert 3
GND 4
EP
9
8 V
DD
7 A0
6 A1
5 A2
8-Pin MSOP
SDA 1
SCL 2
Alert 3
GND 4
8 V
DD
7 A0
6 A1
5 A2
Temperature Accuracy
40%
T
A
= -20°C, 25°C, 85°C, 100°C
V
DD
= 3.3V
854 units
* Includes Exposed Thermal Pad (EP); see
Table 3-1.
30%
Occurrences
20%
10%
0%
-0.5
-0.4
-0.3
-0.2
-0.1
0.1
0.2
0.3
0.4
Temperature Accuracy (°C)
0.5
2011-2018 Microchip Technology Inc.
0.0
DS20005095B-page 1
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