LTP5901-IPM datasheet(14/36 Pages) LINER

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LTP5901-IPM/LTP5902-IPM

59012ipmfa

For more information www.linear.com/LTP5901-IPM or www.linear.com/LTP5902-IPM

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: ESD (electrostatic discharge) sensitive device. ESD protection

devices are used extensively internal to Eterna. However, high electrostatic

discharge can damage or degrade the device. Use proper ESD handling

precautions.

Note 3: Extended storage at high temperature is discouraged, as this

negatively affects the data retention of Eterna’s calibration data. See the

FLASH Data Retention section for details.

Note 4: Actual RF range is subject to a number of installation-specific

variables including, but not restricted to ambient temperature, relative

humidity, presence of active interference sources, line-of-sight obstacles,

and near-presence of objects (for example, trees, walls, signage, and so

on) that may induce multipath fading. As a result, range varies.

Note 5: As Specified by IEEE Std. 802.15.4-2006: Wireless Medium

Access Control (MAC) and Physical Layer (PHY) Specifications for Low-

Rate Wireless Personal Area Networks (LR-WPANs) http://standards.ieee.

org/findstds/standard/802.15.4-2011.html.

Note 6: IEEE Std. 802.15.4-2006 requires transmitters to maintain a

frequency tolerance of better than ±40 ppm.

Note 7: Per-pin I/O types are provided in the Pin Functions section.

Note 8: VIH maximum voltage input must respect the VSUPPLY maximum

voltage specification.

Note 9: The analog inputs to the ADC can be modeled as a series resistor

to a capacitor. At a minimum the entire circuit, including the source

impedance for the signal driving the analog input should be designed

to settle to within ¼ LSB within the sampling window to match the

performance of the ADC.

Note 10: See the SmartMesh IP Mote API Guide for the time indication

notification definition.

Note 11: Network time accuracy is a statistical measure and varies over

the temperature range, reporting rate and the location of the device

relative to the manager in the network. See the Typical Performance

Characteristics section for a more detailed description.

Note 12: Code execution from flash banks being written or erased is

suspended until completion of the flash operation.

Note 13: Guaranteed by design. Not production tested.

Figure 8. 1-Wire Master Timing

Flash spi slave ac characTerisTics

tBIT_PERIOD

tLOW1

tLOWR

tRSTL

tPS

tBIT_PERIOD

tLOW0

tBIT_PERIOD

tRS

59012ipm F08

1-WIRE

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