4

Dust Networks

LTP5900 Mote Datasheet

1.0

Absolute Maximum Ratings

The absolute maximum ratings shown below should not be violated under any circumstances. Permanent damage to the

device may be caused by exceeding one or more of these parameters.

Table 1

Absolute Maximum Ratings

Parameter

Min

Typ

Max

Units

Comments

–0.3

3.76

V

Voltage on any digital I/O pin

–0.3

up to 3.6

V

Input RF level

10

dBm

Input power at antenna

connector

Storage temperature range

–40

+85

°C

Lead temperature

+245

°C

For 10 seconds

VSWR of antenna

3:1

ESD protection

Antenna pad

±8000

V

HBM

All other pads

±2

kV

HBM

±200

V

CDM

Caution! ESD sensitive device. Precaution should be used when handling the device to prevent permanent

damage.

2.0

Normal Operating Conditions

Table 2

Normal Operating Conditions

Parameter

Min

Typ

Max

Units

Comments

Operational supply voltage range

2.75

3.76

V

Including noise and load

regulation

Voltage supply noise

200

50 Hz to 2 MHz

Voltage supervisor trip point

1.5

V

Reset trip point

Peak current

4.4

mA

Searching for network,

typically 150 ms on and

2850 ms in doze*

During Power on Reset

12

mA

from 1 V to 1.9 V.

Power amplifier enabled

9.5

mA

TX, 5 ms maximum

Power amplifier enabled

12

mA

TX, 5 ms maximum, +85 °C,

3.3 V

Power amplifier disabled

5.2

mA

TX, 5 ms maximum

Reset

1.5

uA

RST

¯¯¯ asserted, following PoR

completion

Operating temperatures

-40

+85

°C

Maximum allowed temperature

ramp during operation

8

°C/min

-40 °C to +85 °C

Operating relative humidity

10

90

% RH

Non-condensing

* The duration of doze time and “on” time is determined by the joinDutyCycle command in the mote serial API. Refer to

the SmartMesh IA-510 Mote Serial API Guide for details.