Sim2 M80 Dokumentacja Pobierz pdf (Strona 72)

M80 Hardware Design

M80_HD_V1.0 - 72 -

5. Electrical, reliability and radio characteristics

5.1. Absolute maximum ratings

Absolute maximum ratings for power supply and voltage on digital and analog pins of module are

listed in the following table:

Table 27: Absolute maximum ratings

Parameter

Min

Max

Unit

VBAT

-0.3

+4.73

Peak current of power supply

RMS current of power supply (during one TDMA- frame)

0.7

Voltage at digital pins

-0.3

3.3

Voltage at analog pins

-0.3

3.0

Voltage at digital/analog pins in POWER DOWN mode

-0.25

0.25

5.2. Operating temperature

The operating temperature is listed in the following table:

Table 28: Operating temperature

Parameter

Min

Typ

Max

Unit

Normal Temperature

-35

℃

Restricted Operation

-45 ~ -35

80 ~ 85

℃

Storage Temperature

-45

+90

℃

1) When the module works above temperature range, the deviations from the GSM specification

may occur. For example, the frequency error or the phase error will be increased.

5.3. Power supply ratings

Table 29: The module power supply ratings

Parameter

Description

Conditions

Min

Typ

Max

Unit

VBAT

Supply

voltage

Voltage must stay within the

min/max values, including

voltage drop, ripple, and spikes.

3.3

4.0

4.6

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