ANALOG DEVICES ADT7302ARMZ-REEL7 温度传感器芯片, 数字式, ± 2°C, -40 °C, 125 °C, MSOP, 8 引脚
GENERAL DESCRIPTION
The ADT7302 is a complete temperature monitoring system available in SOT-23 and MSOP packages. It contains a band gap temperature sensor and a 13-bit ADC to monitor and digitize the temperature reading to a resolution of 0.03125°C.
The ADT7302 has a flexible serial interface that allows easy interfacing to most microcontrollers. The interface is compatible with SPI®, QSPI™, and MICROWIRE™ protocols as well as DSPs. The part features a standby mode that is controlled via the serial interface.
The ADT7302’s wide supply voltage range, low supply current, and SPI-compatible interface make it ideal for a variety of applications, including PCs, office equipment, automotive, and domestic appliances.
FEATURES
13-bit temperature-to-digital converter
−40°C to +125°C operating temperature range
±2°C accuracy
0.03125°C temperature resolution
Shutdown current of 1 μA
Power dissipation of 0.631 mW at VDD = 3.3 V
SPI- and DSP-compatible serial interface
Shutdown mode
Space-saving SOT-23 and MSOP packages
Compatible with AD7814
APPLICATIONS
Medical equipment
Automotive:
Environmental controls
Oil temperature
Hydraulic systems
Cell phones
Hard disk drives
Personal computers
Electronic test equipment
Office equipment
Domestic appliances
Process control
PRODUCT HIGHLIGHTS
1\. On-chip temperature sensor that allows an accurate measurement of the ambient temperature. The measurable temperature range is −40°C to +125°C.
2\. Supply voltage of 2.7 V to 5.25 V.
3\. Space-saving 6-lead SOT-23 and 8-lead MSOP packages.
4\. Maximum temperature accuracy of ±2°C.
5\. 13-bit temperature reading to 0.03125°C resolution.
6\. Shutdown mode that reduces the power consumption to 4.88 μW with VDD = 3.3 V at 1 SPS.
7\. Compatible with AD7814.
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