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Teilenummer | LM95071CIMFX |
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Beschreibung | SPI/MICROWIRE 13-Bit Plus Sign Temperature Sensor | |
Hersteller | National Semiconductor | |
Logo | ||
Gesamt 13 Seiten August 2004
LM95071
SPI/MICROWIRE™ 13-Bit Plus Sign Temperature Sensor
General Description
The LM95071 is a low-power, high-resolution digital tem-
perature sensor with an SPI and MICROWIRE compatible
interface, available in the 5-pin SOT23. The host can query
the LM95071 at any time to read temperature. Its low oper-
ating current is useful in systems where low power consump-
tion is critical.
The LM95071 has 13-bit plus sign temperature resolution
(0.03125˚C per LSB) while operating over a temperature
range of −40˚C to +150˚C.
The LM95071’s 2.4V to 5.5V supply voltage range, fast
conversion rate, low supply current, and simple SPI interface
make it ideal for a wide range of applications.
Applications
n System Thermal Management
n Portable Electronic Devices
n Personal Computers
n Disk Drives
n Office Electronics
n Electronic Test Equipment
Features
n Small SOT23-5 package saves space
n Shutdown mode conserves power between temperature
readings
n Operates over a full −40˚C to +150˚C range
n SPI and MICROWIRE Bus interface
Key Specifications
j Supply Voltage
j Supply Current
j Temperature
Accuracy
j Temperature
Resolution
operating
shutdown
0˚C to 70˚C
−40˚C to 150˚C
2.4V to 5.5V
280 µA (typ)
6 µA (typ)
±1˚C (max)
±2˚C (max)
0.03125 ˚C
Simplified Block Diagram
MICROWIRE™ is a trademark of National Semiconductor Corporation.
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 2004 National Semiconductor Corporation DS201065
20106501
www.national.com
Electrical Characteristics
20106508
FIGURE 5. Temperature-to-Digital Transfer Function (Non-linear scale for clarity)
TRI-STATE Test Circuit
www.national.com
FIGURE 6.
20106507
6
6 Page Physical Dimensions inches (millimeters) unless otherwise noted
LM95071Top View
SOT23-5 Package
NS Package Number MF05A
www.national.com
12
12 Page | ||
Seiten | Gesamt 13 Seiten | |
PDF Download | [ LM95071CIMFX Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
LM95071CIMFX | SPI/MICROWIRE 13-Bit Plus Sign Temperature Sensor | National Semiconductor |
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