MLX71120 Datasheet, PDF (18/30 Pages) Melexis Microelectronic Systems – 300 to 930MHz FSK/FM/ASK Receiver

MLX71120
300 to 930MHz
FSK/FM/ASK Receiver
Pin No. Name
21 PDN
I/O Type
analog
output
Functional Schematic
VCC
PDN
400
21
Description
peak detector
negative output
22 VCC
supply
VEE
positive supply voltage
23 CINT
analog
input
VCC
CINT
23
capacitor for noise cancella-
tion filter
pin must be connected to
ground if noise cancellation
filter is not used
VEE
24 RSSI
analog
VCC
receive signal strength
output
indication
25
26
ROI
TEST
PRELIMINARY analog
input
CMOS
input
RSSI
400
24
VCC
VEE
VCC
VEE
ROI
25
VEE
VEE
not used
connect to ground
reference oscillator input
test pin
27 IFSEL
CMOS
input
VCC
VCC
IF select input
IFSEL
400
27
28 CLKO
CMOS
output
VEE
VCC
VEE
CLKO
28
clock output
connect pull-up resistor
to activate clock
VEE
39010 71120
Rev. 005
Page 18 of 30
Data Sheet
Feb/08