MLX71122_16 Datasheet, PDF (50/59 Pages) Melexis Microelectronic Systems – 300 to 930MHz FSK/FM/ASK Receiver

MLX71122
300 to 930MHz FSK/FM/ASK Receiver
Datasheet
5.6. AC System Characteristics
all parameters under normal operating conditions and default settings, unless otherwise stated;
typical values at T_A = 23 °C and V_CC = 5 V, RF at 433.92 MHz
all parameters based on test circuits as shown in Fig. 20 to Fig. 22
Parameter
Symbol
Condition
Min Typ Max Unit
Receive Characteristics
Input sensitivity – FSK
(standard)
Input sensitivity – FSK
(with carrier offset)
Input sensitivity – ASK
Maximum input signal – FSK/FM
Maximum input signal – ASK
Spurious emission
Image rejection of MIX2
IF Filter Parameters
P_{min, FSK}
P_{min, FSK,}
offs
P_{min, ASK}
P_{max, FSK}
P_{max, ASK}
P_spur
P_imag
f = 20kHz,
4kbps NRZ,
BER  310^-3
f = 20kHz,
4kbps NRZ,
±90kHz carrier offset
BER  310^-3
100% on-off ratio
4kbps NRZ,
BER  310^-3
BER  310^-3
BER  310^-3
no production test
-107
dBm
-104
dBm
-112
dBm
0
dBm
-10
dBm
-54 dBm
32
dB
Center frequency
3dB bandwidth
40dB bandwidth
RSSI Characteristics
f_IF
B_3dB
B_40dB
static with tuning on
1.87 2.00 2.04 MHz
180 220 260 kHz
1.6
MHz
Low voltage
High voltage
RSSI dynamic range
RSSI sensitivity, low gain
RSSI sensitivity, high gain
FSK Demodulator
Demodulator gain, low
Demodulator gain, high
Maximum data rate
Frequency acceptance range
Start-up Parameters
V_LRSSI
V_HRSSI
DR_RSSI
S_RSSIL
S_RSSIH
high gain
high gain
low gain
high gain
DG_LOW
DG_HIGH
B_DEM
BW_DEMOD
NRZ
f = 20kHz
2.65
50
39
51
0.75
V
V
dB
mV/dB
mV/dB
12
mV/
14.5
kHz
100 kbps
150
kHz
Crystal start-up time
Receiver start-up time
PLL lock time
T_XTL
T_RX depends on data slicer;
valid data at output
T_PLL from OPMODE=10
0.9
ms
T_XTL +
200k 
C10
0.4
ms
REVISION 014 – AUGUST, 2016
390 10 71122 01
Page 50 of 59