MLX71121KLQ Melexis Inc, MLX71121KLQ Datasheet - Page 2

• 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

Document Content
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39010 71121
Rev. 009
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
Reference Oscillator ..................................................................................................................... 8
1.10
1.11
1.12
1.13
1.14
1.15
2.1
2.2
2.3
2.4
4.1
4.2
4.3
4.4
4.5
5.1
Theory of Operation ...................................................................................................4
1.14.1
1.14.2
Functional Description ............................................................................................13
Pin Definitions and Descriptions ............................................................................16
Technical Data..........................................................................................................20
Test Circuit ...............................................................................................................24
5.1.1
General ............................................................................................................................. 4
Technical Data Overview.................................................................................................. 4
Block Diagram .................................................................................................................. 5
Operating Modes .............................................................................................................. 6
LNA Selection................................................................................................................... 6
Mixer Section.................................................................................................................... 7
IF Filter ............................................................................................................................. 7
IF Amplifier ....................................................................................................................... 7
PLL Synthesizer ............................................................................................................... 7
Clock Output..................................................................................................................... 8
FSK Demodulator ............................................................................................................. 8
Baseband Data Path ........................................................................................................ 9
Data Filter ....................................................................................................................... 10
Data Slicer ...................................................................................................................... 10
Noise Cancellation Filter and Data Output ..................................................................... 12
Frequency Planning........................................................................................................ 13
Calculation of Frequency Settings.................................................................................. 14
Standard Frequency Plans ............................................................................................. 15
433/868MHz Frequency Diversity .................................................................................. 15
Absolute Maximum Ratings ............................................................................................ 20
Normal Operating Conditions ......................................................................................... 20
DC Characteristics.......................................................................................................... 21
AC System Characteristics ............................................................................................. 22
External Components ..................................................................................................... 23
Antenna Diversity Application Circuit.............................................................................. 24
Test Circuit Component List of Figures 11 ................................................................................ 25
Averaging Detection Mode..................................................................................................... 11
Peak Detection Mode ............................................................................................................. 11
Page 2 of 28
FSK/FM/ASK Receiver
MLX71121
300 to 930MHz
Data Sheet
Oct/10