TH72036 datasheet(11/16 Pages) MELEXIS

11 / 16 page

TH72036

868/915MHz

FSK/ASK Transmitter

Page 11 of 16

REVISION 010 - JUNE 14, 2017

3901072036

4.5. AC Characteristics

all parameters under normal operating conditions, unless otherwise stated;

typical values at TA = 23 °C and VCC = 3 V; test circuit shown in Fig. 6, fc = 868.3MHz

Parameter

Symbol

Condition

Min

Typ

Max

Unit

CW Spectrum Characteristics

Output power in step 0

(Isolation in off-state)

Poff

EN=1

-70

dBm

Output power in step 1

EN=1

-13

-12

-11

dBm

Output power in step 2

EN=1

-4

-3

-2

dBm

Output power in step 3

EN=1

2.5

3.5

dBm

Output power in step 4

EN=1

7.5

9.5

dBm

Phase noise

L(fm)

@ 200kHz offset

-87

-82

dBc/Hz

Spurious emissions according

to EN 300 220-1 (2000.09)

table 13

Pspur

47MHz< f <74MHz

87.5MHz< f <118MHz

174MHz< f <230MHz

470MHz< f <862MHz

B=100kHz

-54

dBm

f < 1GHz, B=100kHz

-36

dBm

f > 1GHz, B=1MHz

-30

dBm

Clock output Characteristics

Output low voltage CMOS

VOL

depending on capacitor

CCK

and CKDIV

0.3*VCC

Output high voltage CMOS

VOH

0.7*VCC

Start-up Parameters

Start-up time

ton

from standby to

transmit mode

0.6

Frequency Stability

Frequency stability vs. supply

voltage

dfVCC

3

ppm

Frequency stability vs.

temperature

dfTA

crystal at constant

temperature

10

ppm

Frequency stability vs.

variation range of CRO

dfCRO

20

ppm

1) output matching network tuned for 5V supply

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