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MLX71122 Datasheet(PDF) 10 Page - Melexis Microelectronic Systems

Part # MLX71122
Description  300 to 930MHz FSK/FM/ASK Receiver
PDF  59 Pages
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Manufacturer  MELEXIS [Melexis Microelectronic Systems]
Direct Link  http://www.melexis.com
Logo MELEXIS - Melexis Microelectronic Systems

MLX71122 Datasheet(HTML) 10 Page - Melexis Microelectronic Systems

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MLX71122
300 to 930MHz FSK/FM/ASK Receiver
Datasheet
REVISION 014 – AUGUST, 2016
Page 10 of 59
390 10 71122 01
2. Pin Definitions and Descriptions
2.1. Pin Schematics
Pin No.
Name
I/O Type
Functional Schematic
Description
1
VEELNA
ground
LNAO
3
VEELNA
1
LNAI
31
VEE
VEE
VCC
bias
ground of LNA core
31
LNAI
analog
input
LNA input, approx.
27 single-ended
3
LNAO
analog
output
LNA open-collector output,
to be connected to external
LC tank that resonates at RF
2
VCCANA
supply
positive supply of
LNA, MIX1 MIX2, IFF, IFA,
FSK DEMOD, OA1, OA2,
PKDET+, PKDET- and BIAS
4
VEEIF
ground
negative supply of
LNA, MIX1 MIX2, IFF, IFA,
and FSK DEMOD
5
MIXN
analog
input
MIXN
390µA
5
VEE
VEE
VCC
VCC
6
MIXP
bias
mixer 1 negative input
6
MIXP
analog
input
mixer 1 positive input
7
SPISEL
CMOS
input
VEE
VCC
SPISEL
7
120
SPI select input
8
RSSI
analog
output
VEE
VCC
8
I (Pi)
RSSI
120
25k
ASK
FSK
SW1
120
RSSI output, approx. 25k
9
MODSEL
CMOS
input
VEE
VCC
MODSEL
9
120
demodulation select input
(FSK or ASK demodulation)



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