MLX71120_12 Datasheet, PDF (19/31 Pages) Melexis Microelectronic Systems – FSK/FM/ASK Receiver

Pin No. Name
21 PDN
I/O Type
analog
output
22 VCC
23 CINT
supply
analog
input
24 RSSI
analog
output
25 ROI
analog
input
26 TEST
27 IFSEL
CMOS
input
CMOS
input
28 CLKO
CMOS
output
MLX71120
300 to 930MHz
FSK/FM/ASK Receiver
Functional Schematic
VCC
PDN
400
21
VEE
VCC
CINT
23
VEE
VCC
RSSI
400
24
VCC
VEE
VCC
VEE
ROI
25
Description
peak detector
negative output
positive supply voltage
capacitor for noise cancella-
tion filter
pin must be connected to
ground if noise cancellation
filter is not used
receive signal strength
indication
reference oscillator input
VEE
VEE
not used
connect to ground
VCC
VCC
IFSEL
400
27
VEE
VCC
VEE
CLKO
28
VEE
test pin
IF select input
clock output
connect pull-up resistor
to activate clock
39010 71120
Rev. 008
Page 19 of 31
Data Sheet
Jun/12