MLX71120 Datasheet, PDF (22/30 Pages) Melexis Microelectronic Systems – 300 to 930MHz FSK/FM/ASK Receiver

MLX71120
300 to 930MHz
FSK/FM/ASK Receiver
4.4 AC System Characteristics
all parameters under normal operating conditions, unless otherwise stated;
typical values at T_A= 23 °C and V_CC = 3 V, all parameters based on test circuits as shown Fig. 11
Parameter
Sym-
bol
Condition
Min Typ Max Unit
Receive Characteristics
Input Sensitivity 1)
MODSEL IFSEL RFSEL
315MHz
P_min1
0
FSK
433MHz
P_min2
1
1
868MHz
P_min3
1
wide band
915MHz
P_min4
180kHz BW
315MHz
P_min5
0
ASK
433MHz
P_min6
0
1
868MHz
P_min7
1
915MHz
P_min8
-109
-108
-106
-104
-113
-113
-111
-109
315MHz
P_min9
-114
0
PRELIMINARY ^FSK
narrow band
20kHz BW
433MHz
868MHz
P_min10
P_min11
1
0
1
915MHz
P_min12
Maximum input signal – FSK
P_{max, MODSEL=1}
FSK
Maximum input signal – ASK
P_{max, MODSEL=0, M>20dB}
ASK
Spurious emission
Image rejection 1^st IF
Image rejection 2^nd IF
P_spur
IR₁
IR₂
w/o SAW filter
1) at 4kbps NRZ, BER ≤ 3⋅10^-3, peak detector data slicer, LNASEL = 0 or 1
WB: Δf = ±20kHz
NB: Δf = ±5kHz
-112
-111
-109
-10
-10
-54
20
25
dBm
dBm
dBm
dBm
dBm
dBm
dB
dB
39010 71120
Rev. 005
Page 22 of 30
Data Sheet
Feb/08