MLX71120 Datasheet, PDF (23/30 Pages) Melexis Microelectronic Systems – 300 to 930MHz FSK/FM/ASK Receiver

MLX71120
300 to 930MHz
FSK/FM/ASK Receiver
Parameter
Symbol
Condition
Min Typ Max Unit
LNA Parameters
Voltage gain
G_LNA
depends on external
LC tank
18
dB
Mixer Section Parameters
Mixer output impedance
Z_MIXO
IFSEL=0
IFSEL=1
1500
Ω
330
Voltage conversion gain
G_MIX
with CERFIL between
MIXO and IFAP
25
dB
Input referred 3^rd order intercept
point
IIP3
with CERFIL between
MIXO and IFAP
-40
dBm
IF Amplifier / RSSI
Operating frequency
RSSI dynamic range
RSSI slope
f_IFA
DR_RSSI
S_RSSI
0.4
11
MHz
70
dB
20
mV/dB
FSK Demodulator
PRELIMINARY ^{Input frequency range}
Carrier acceptance range
Demodulator sensitivity
Baseband Data Path
Data filter bandwidth
Peak detector load current
Start-up Parameters
Reference oscillator
start-up time
f_DEM
Δf_DEM
S_DEM
IFSEL=0
IFSEL=1
IFSEL=0
IFSEL=1
IFSEL=0
IFSEL=1
B_DF
depending on CF1,
CF2
I_PKD
t_onRO
depending on crystal
parameters
455
10.7
±20
±400
50
5
kHz
MHz
kHz
mV/
kHz
100 kHz
500
µA
350 650
µs
Sequencer time
t_SEQ
5504 / f_REF
200 250 350
µs
Receiver start-up time
t_onRX
t_onRO + t_SEQ
0.6
1
ms
Frequency Stability
Frequency pulling by supply
voltage
df_VCC
±3 ppm/V
39010 71120
Rev. 005
Page 23 of 30
Data Sheet
Feb/08