MLX71121 datasheet(21/28 Pages) MELEXIS

21 / 28 page

MLX71121

300 to 930MHz

FSK/FM/ASK Receiver

39010 71121

Page 21 of 28

Data Sheet

Rev. 007

Feb/08

4.3

DC Characteristics

all parameters under normal operating conditions, unless otherwise stated;

typical values at TA= 23 °C and VCC = 3 V, all parameters based on test circuits as shown Fig. 11 to Fig. 12

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Operating Currents

ENRX=0, TA = 85°C

200

Shutdown current

ISDN

ENRX=0, TA = 125°C

µA

Supply current reference

oscillator

IRO

ENRX=1, t < tonRO

1.5

Supply current, FSK

IFSK

ENRX=1, MODSEL=1

SLCSEL=0

LNASEL=0 or 1

10.2

Supply current, ASK

IASK

ENRX= 1, MODSEL= 0

SLCSEL=0

LNASEL=0 or 1

9.8

Digital Pin Characteristics (except of LNASEL)

Input low voltage (CMOS)

VIL

ENRX, SEL pins

0.3*VCC

Input high voltage (CMOS)

VIH

ENRX, SEL pins

0.7*VCC

Pull down current ENRX pin

IPDEN

ENRX=1

µA

Low level input current

ENRX pin

IINLEN

ENRX=0

µA

High level input current

IINHSEL

SEL pins

µA

Low level input current

IINLSEL

SEL pins

µA

LNASEL Pin Characteristics

Input voltage LNA1 active

VLNASEL1 ENRX=1

0.1*VCC

Input voltage LNA2 active

VLNASEL2 ENRX=1

0.9*VCC

DTAO Pin Characteristics

Output low voltage

VOL

DTAO pin,

ISINK = 600µA

0.3*VCC

Output high voltage

VOH

DTAO pin,

ISOURCE = 600µA

0.7*VCC

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