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LM74, LM7400PLFC, LM7403A DWF

Table of contents:
Info of LM74
Info of LM7400PLFC
Info of LM7403A DWF

LM74, LM7400PLFC, LM7403A DWF Selling Leads, Datasheet

MFG:N/A Package Cooled:SOP D/C:4000

LM74, LM7400PLFC, LM7403A DWF Datasheet download

Five Points

Part Number: LM74

MFG: N/A

Package Cooled: SOP

D/C: 4000

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LM74 Parameters

LM74 Features

0.0625°C temperature resolution.
Shutdown mode conserves power between temperature reading
SPI and MICROWIRE Bus interface
5-Bump micro SMD package saves space

LM74 General Description

The LM74 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE compatible interface. The host can query the LM74 at any time to read temperature. A shutdown mode decreases power consumption to less than 10 µA. This mode is useful in systems where low average power consumption is critical.

The LM74 has 12-bit plus sign temperature resolution (0.0625°C per LSB) while operating over a temperature range of -55°C to +150°C.

The LM74's 3.0V to 5.5V supply voltage range, low supply current and simple SPI interface make it ideal for a wide range of applications. These include thermal management and protection applications in hard disk drives, printers, electronic test equipment, and office electronics. The LM74 is available in the SO-8 package as well as an 5-Bump micro SMD package.

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
LM74CIBP-3	CS065	2	34108	59	0	3862000	1	1095853045
LM74CIBPX-3	CS065	2	34108	59	0	3862000	1	1095853045
LM74CIM-3	CS065	2	34108	59	0	3862000	1	1095853045
LM74CIM-5	CS065	2	34108	59	0	3862000	1	1095853045
LM74CIMX-3	CS065	2	34108	59	0	3862000	1	1095853045
LM74CIMX-5	CS065	2	34108	59	0	3862000	1	1095853045
LM74CITP-3	CS065	2	34108	59	0	3862000	1	1095853045
LM74CITPX-3	CS065	2	34108	59	0	3862000	1	1095853045

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.

Application Notes

Title	Size in Kbytes	Date
AN-1256: Application Note 1256 Tiny Temperature Sensors for Portable Systems	66 Kbytes	1-Oct-02	Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.

More Application Notes

Title	Size in Kbytes	Date
AN-79: Application Note 79 IC Preamplifier Challenges Choppers on Drift	380 Kbytes	1-Oct-02	Download
AN-1155: Application Note 1155 A Simple Software I2C Routine for the COP8	82 Kbytes	15-May-04	Download
AN-71: Application Note 71 Micropower Circuits Using the LM4250 Programmable Op Amp	312 Kbytes	2-Oct-02	Download
AN-127: Application Note 127 LM143 Monolithic High Voltage Operational Amplifier Applications	441 Kbytes	2-May-04	Download
AN-210: Application Note 210 New Phase-Locked-Loops Have Advantages as Frequency to Voltage Converters (and more)	339 Kbytes	3-Oct-02	Download
AN-480: A 40 MHz Programmable Video Op Amp	181 Kbytes	4-Nov-95	Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.

LM74 Maximum Ratings

Temperature Accuracy (+/-)	1.25 deg C
Supply Min	4.5, 3 Volt
Quiescent Current	0.52 mA
Temperature Min	-55 deg C
Temperature Max	150 deg C
Interface Type	SPI/Microwire
Programmable Setpoints	No
Resolution	13 bits
Resolution degC/LSB	0.0625
Supply Max	5.5, 3.6 Volt
Shut down	Yes
Fault Queue	No
Automotive Selection Guide	Yes
View Using Catalog

LM74 Features

0.0625°C temperature resolution.
Shutdown mode conserves power between temperature reading
SPI and MICROWIRE Bus interface
5-Bump micro SMD package saves space

LM74 Typical Application

LM74 Datasheet

LM74 Connection Diagram

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