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Revision 3.6

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AS3977

Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s

8

Transmit Mode @ 4dBm output

power,

868 MHz and 906MHz band @

50

Ω including matching

network, strong AB operation

without the use of

the internal

regulator

14.5

17.5

mA

16.5

19.0

mA

with the use of the

internal regulator

15.0

18.0

mA

17.0

19.5

mA

1. Power line matching needs to be adjusted to VDD to ensure strong AB operation mode

Table 17. DC/AC Characteristics for Digital Interface

Symbol

Parameter

Conditions

Min

Typ

Max

Units

CMOS Input

High Level Input Voltage

0.7 *

0.1

V

Low Level Input Voltage

V

Low Level Input Leakage Current

no internal pull up/down

±1

µA

High Level Input Leakage Current

no internal pull up/down

±1

µA

High Level Input Leakage Current with

internal pull down

15

60

µA

CMOS Output

Note:

The following specification is valid for the DATAIO standard CMOS output. The MCCLK output can be programmed to different driver

strengths according MCCDS register.

High level output voltage

current

V

Low level output voltage

current

V

Capacitive load

20

pF

Rise time

50

ns

Fall time

50

ns

High level output current

1mA

Low level output current

1mA

Table 16. Current Consumption

Symbol

Parameter

Conditions

Min

Typ

Max

Units