Electrical Characteristics

Ta=25

°C, Freq REFOSC=13.560MHz, EN=VDD. Bold values indicate -40°Cto+85°C unless otherwise noted. 1kbps

data rate 50% duty cycle. RL 50

W load (matched)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Conditions

Data High Current

3V

@315MHz, POUT=+10dBm

¾

13.5

¾

mA

@433.92MHz

¾

13.5

¾

mA

Data Low Current

3V

@315MHz

¾

3.0

¾

mA

@433.92 MHz

¾

3.0

¾

mA

EN Low & DIN Low Current

3V

@315MHz

¾

1.0

¾mA

@433.92 MHz

¾

1.0

¾mA

RF and Crystal

Output power level

3.3V

@315MHz *

¾

9.5

¾

dBm

@433.92MHz *

¾

9.5

¾

dBm

Harmonics output for 315 MHz

3V

@630MHz, 2nd harm

¾-48

¾

dBc

@945MHz, 3rd harm

¾-60

¾

dBc

Harmonics output for 433.92MHz

3V

@867.84MHz, 2nd harm

¾-45

¾

dBc

@1301.76MHz, 3rd harm

¾-55

¾

dBc

Extinction ratio for ASK 10Kbps

3V

¾¾

-70

¾

dBc

Data Rate

3V

¾¾

¾

50

kbps

Occupied Bandwidth

3V

@315MHz

¾

<900

¾

kHz

@433.92MHz

¾

<1000

¾

kHz

315MHz Single Side Band Phase

Noise

3V

100kHz from Carrier

¾-78

¾

dBc/Hz

1000kHz from Carrier

¾-77

¾

dBc/Hz

433.92MHz Single Side Band

Phase Noise

3V

100kHz from Carrier

¾-78

¾

dBc/Hz

1000kHz from Carrier

¾-76

¾

dBc/Hz

XTLIN, XTLOUT

3V

Pin capacitance

¾

2

¾

pF

External Capacitance

3V

See application circuit C3,C4

@315MHz

¾

15

¾

pF

@433.92MHz

¾

18

¾

pF

Output Blanking

3V

Standby transition from low

to high **

¾

500

¾ms

ASK to RF Out Response Time

3V

Delta between ASK input

transition from Low To High

to RF output transition from

low to high

¾

1

¾ms

CREF clock output frequency

3V

@315MHz

¾

150

¾

Hz

@433.92MHz

¾

207

¾

Hz

Note:

* Depend on PC board layout

** Generally limited by crystal

HT9831

Rev. 1.20

3

November 5, 2014