MLX71121KLQ Melexis Inc, MLX71121KLQ Datasheet - Page 22

• Manufacturer Part Number: MLX71121KLQ
• Description: RCVR FSK/FM/ASK 32-QFN
• Manufacturer: Melexis Inc

Specifications of MLX71121KLQ

• Frequency: 300MHz ~ 930MHz
• Sensitivity: -108dBm
• Data Rate - Maximum: 100 kbps
• Modulation Or Protocol: ASK, FM, FSK
• Applications: General Remote Control, Garage Opener, RKE
• Current - Receiving: 8.1mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Features: RSSI Equipped
• Voltage - Supply: 2.1 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 32-QFN
• Data Rate: 100Kbps
• Frequency Range: 300MHz To 930MHz
• Modulation Type: AM, FM, FSK
• Rf Ic Case Style: QFN
• No. Of Pins: 32
• Supply Voltage Range: 2.1V To 5.5V
• Operating Temperature Range: -40°C To
• Sensitivity Dbm: -112dBm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: MLX71121A

4.4
all parameters under normal operating conditions, unless otherwise stated;
typical values at T
1) at 4kbps NRZ, BER ≤ 3⋅10
39010 71121
Rev. 009
Receive Characteristics
Input Sensitivity 1)
Maximum input signal – FSK
Maximum input signal – ASK
Spurious emission
Image rejection 1
Image rejection 2
LNA Parameters
Voltage gain
IF Filter Parameters
Center frequency
3dB bandwidth
40dB bandwidth
IF Amplifier / RSSI
Operating frequency
RSSI usable range
RSSI slope
FSK Demodulator
Input frequency range
Carrier acceptance range
Demodulator sensitivity
AC System Characteristics
ASK
FSK
Parameter
A
st
nd
= 23 °C and V
IF
IF
315MHz
433MHz
868MHz
915MHz
315MHz
433MHz
868MHz
915MHz
-3
, peak detector data slicer, LNASEL = 0 or 1
CC
= 3 V, all parameters based on test circuits as shown Fig. 11
Symbol
P
P
DR
∆f
max, ASK
max, FSK
B
S
S
P
P
P
P
P
P
P
P
G
P
B
f
f
IR
IR
f
DEM
cent
40dB
RSSI
min1
min2
min3
min4
min5
min6
min7
min8
IFA
DEM
spur
LNA
3dB
DEM
RSSI
1
2
MODSEL=1
MODSEL=0, M>70dB
w/o SAW filter
depends on external
LC tank
continuous range
Page 22 of 28
MODSEL
1
0
Condition
RFSEL
0
1
0
1
0.4
Min
45
FSK/FM/ASK Receiver
-107
-107
-104
-102
-112
-112
-108
-105
MLX71121
300
±80
-10
-10
Typ
1.8
1.4
1.8
20
25
18
20
5
300 to 930MHz
Max
-54
11
55
Data Sheet
mV/dB
dBm
dBm
dBm
dBm
dBm
MHz
MHz
MHz
MHz
Unit
kHz
kHz
mV/
kHz
Oct/10
dB
dB
dB
dB