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TC72-3.3MUA 数据表(PDF) 1 Page - Microchip Technology

部件名 TC72-3.3MUA
功能描述  Digital Temperature Sensor with SPI Interface
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

TC72-3.3MUA 数据表(HTML) 1 Page - Microchip Technology

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© 2011 Microchip Technology Inc.
DS21743B-page 1
TC72
Features
• Temperature-to-Digital Converter
SPI Compatible Interface
• 10-Bit Resolution (0.25°C/Bit)
• ±2°C (maximum) Accuracy from -40°C to +85°C
• ±3°C (maximum) Accuracy from -55°C to +125°C
• 2.65V to 5.5V Operating Range
• Low Power Consumption:
- 250 µA (typical) Continuous Temperature
Conversion Mode
- 1 µA (maximum) Shutdown Mode
• Power Saving One-Shot Temperature
Measurement
• Industry Standard 8-Pin MSOP Package
• Space Saving 8-Pin DFN (3x3 mm) Package
Typical Applications
• Personal Computers and Servers
• Hard Disk Drives and Other PC Peripherals
• Entertainment Systems
• Office Equipment
• Datacom Equipment
• Mobile Phones
• General Purpose Temperature Monitoring
Package Types
General Description
TC72 is a digital temperature sensor capable of
reading temperatures from -55°C to +125°C. This
sensor
features
a
serial
interface
that
allows
communication
with
a
host
controller
or
other
peripherals. The TC72 interface is compatible with the
SPI protocol, and does not require any additional
external components. However, it is recommended that
a decoupling capacitor of 0.01 µF to 0.1 µF be provided
between the VDD and GND pins.
TC72 can be used either in a Continuous Temperature
Conversion mode or a One-Shot Conversion mode.
The Continuous Conversion mode measures the
temperature approximately every 150 ms and stores
the data in the temperature registers. In contrast, the
One-Shot
mode
performs
a
single
temperature
measurement and returns to the power saving
shutdown mode.
TC72 features high temperature accuracy, ease-of-use
and is the ideal solution for implementing thermal
management in a variety of systems. The device is
available in both 8-pin MSOP and 8-pin DFN space-
saving packages. TC72 also features a Shutdown
mode for low power operation.
Block Diagram
SCK
CE
GND
NC
SDI
1
2
3
4
8
7
6
5 SDO
VDD
NC
TC72
3x3 DFN*
CE
SCK
GND
NC
SDO
1
2
3
4
8
7
6
5 SDI
VDD
NC
EP
9
* Includes Exposed Thermal Pad (EP); see Table 3-1.
TC72
MSOP
TC72
Diode
Temperature
Sensor
VDD
SCK
CE
Serial
Port
Interface
10-Bit
Sigma Delta
A/D Converter
Register
Temperature
Register
Internal
Control
Manufacturer
ID Register
GND
SDO
SDI
Digital Temperature Sensor with SPI Interfa
ce


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