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AD7314 数据表(PDF) 1 Page - Analog Devices

部件名 AD7314
功能描述  Low-Voltage, 10-Bit Digital Temperature Sensor in 8-Lead uSOIC
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7314 数据表(HTML) 1 Page - Analog Devices

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REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
a
AD7314
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2001
Low-Voltage, 10-Bit Digital Temperature
Sensor in 8-Lead SOIC
FUNCTIONAL BLOCK DIAGRAM
FEATURES
10-Bit Temperature-to-Digital Converter
–35 C to +85 C Operating Temperature Range
2 C Accuracy
SPI™- and DSP-Compatible Serial Interface
Shutdown Mode
Space-Saving
SOIC Package
APPLICATIONS
Hard Disk Drives
Personal Computers
Electronic Test Equipment
Office Equipment
Domestic Appliances
Process Control
Mobile Phones
GENERAL DESCRIPTION
The AD7314 is a complete temperature monitoring system in
an 8-lead
µSOIC package. It contains a bandgap temperature
sensor and 10-bit ADC to monitor and digitize the temperature
reading to a resolution of 0.25
°C.
The AD7314 has a flexible serial interface that allows easy
interfacing to most microcontrollers. The interface is compat-
ible with SPI, QSPI and MICROWIRE™ protocol and is also
compatible with DSPs. The part features a standby mode that
is controlled via the serial interface.
The AD7314’s low supply current and SPI-compatible interface,
make it ideal for a variety of applications, including personal
computers, office equipment, and domestic appliances.
PRODUCT HIGHLIGHTS
1. The AD7314 has an on-chip temperature sensor that allows
an accurate measurement of the ambient temperature. The
measurable temperature range is –35
°C to +85°C, with a
±2°C temperature accuracy.
2. Supply voltage of 2.65 V to 2.9 V.
3. Space-saving 8-lead
µSOIC package.
4. 10-bit temperature reading to 0.25
°C resolution.
5. The AD7314 features a standby mode that reduces the
current consumption to 1
µA max.
SPI is a trademark of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corporation.
AD7314
BANDGAP
TEMPERATURE
SENSOR
SERIAL
BUS
INTERFACE
GND
ID
VDD
CE
SCLK
SDI
SDO
10-BIT
ANALOG/DIGITAL
CONVERTER
TEMPERATURE
VALUE
REGISTER


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