MLX71121 Datasheet, PDF (18/28 Pages) Melexis Microelectronic Systems – 300 to 930MHz FSK/FM/ASK Receiver

MLX71121
300 to 930MHz
FSK/FM/ASK Receiver
Pin No. Name
22 VCC
23 CINT
I/O Type
supply
analog
input
24 RSSI
analog
output
25 ROI
analog
input
Functional Schematic
VCC
CINT
23
VEE
VCC
RSSI
400
24
VCC
VEE
VCC
VEE
ROI
25
26 TEST
27 IFSEL
28 CLKO
CMOS
input
CMOS
input
CMOS
output
29 DTAO
CMOS
output
30 ENRX
CMOS
input
VEE
VEE
not used
connect to ground
not used
connect pin to ground
VCC
CLKO
28
VEE
VCC
VCC
DTAO
220
29
VEE
VCC
VCC
ENRX
400
30
VEE
VEE
Description
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
test pin
IF select input
clock output
connect pull-up resistor
to activate clock
data output
enable RX mode control
39010 71121
Rev. 007
Page 18 of 28
Data Sheet
Feb/08