SARA-R404M datasheet(20/43 Pages) U-BLOX

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SARA-R4 series - Data sheet

UBX-16024152 - R18

Electrical specifications

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4 Electrical specifications

⚠ Stressing the device above one or more of the ratings listed in the Absolute Maximum Rating

section may cause permanent damage. These are stress ratings only. Operating the module at

these or at any conditions other than those specified in the Operating Conditions sections (section

4.2) of the specification should be avoided. Exposure to Absolute Maximum Rating conditions for

extended periods may affect device reliability.

☞ Operating condition ranges define those limits within which the functionality of the device is

guaranteed.

☞ Electrical characteristics are defined according to the verification on a representative number of

samples or according to the simulation.

☞ Where application information is given, it is advisory only and does not form part of the

specification.

4.1 Absolute maximum rating

☞ Limiting values given below are in accordance with Absolute Maximum Rating System (IEC 134).

Symbol

Description

Condition

Min.

Max.

Unit

VCC

Module supply voltage

Input DC voltage at VCC pins (SARA-R404M)

-0.5

6.0

Input DC voltage at VCC pins

(SARA-R410M, SARA-R412M and SARA-N410)

-0.5

5.2

VUSB_DET

USB detection pin

Input DC voltage at VUSB_DET pin

-0.5

5.5

USB

USB D+/D- pins

Input DC voltage at USB interface pins

-0.3

3.6

GDI

Generic digital interfaces

Input DC voltage at Generic digital interfaces pins

-0.3

2.3

DDC

DDC interface

Input DC voltage at DDC interface pins

-0.3

2.3

SIM

SIM interface

Input DC voltage at SIM interface pins

-0.3

3.5

ERS

External reset input

Input DC voltage at RESET_N pin

-0.5

2.1

POS

Power-on input

Input DC voltage at PWR_ON pin

-0.5

2.1

ADC

Antenna detection input

Input DC voltage at ANT_DET pin

-0.5

4.3

Rho_ANT

Antenna ruggedness

Output RF load mismatch ruggedness at ANT pins

10:1

VSWR

Tstg

Storage temperature

-40

+85

°C

Table 6: Absolute maximum ratings

⚠ The product is notprotected against overvoltage or reversed voltages. If necessary, voltage spikes

exceeding the voltage specifications given in the table above, must be limited to values within the

specified boundaries by using appropriate protection devices.

4.1.1 Maximum ESD

Parameter

Min

Typical

Max

Unit

Remarks

ESD sensitivity for all pins

1’000

Human Body Model according to JESD22-A114

Table 7: Maximum ESD ratings

⚠ u-blox cellular modules are Electrostatic Sensitive Devices and require special precautions when

handling. See section 7.4 for ESD handling instructions.

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