MLX72013 Datasheet, PDF (8/21 Pages) Melexis Microelectronic Systems – FSK/ASK Transmitter

7.10 Pin Definition and Description
Pin
No.
Name I/O Type
Functional Schematic
0: ENTX=1
1: ENTX=0
1
FSKDTA
input
FSKDTA
1
1.5kΩ
MLX72013
433MHz
FSK/ASK Transmitter
Description
FSK data input,
CMOS compatible with operation
mode dependent pull-up circuit
TX standby: no pull-up
TX active: pull-up
2
FSKSW
analog I/O
FSKSW
2
XOSC FSK pulling pin, MOS
switch
3
ROI
analog I/O
25k
ROI
3
36p
36p
4
ENTX
input
ENTX
4
1.5kΩ
XOSC connection to XTAL,
Colpitts type crystal oscillator
mode control input, CMOS-
compatible with internal pull-down
circuit
5
PSEL
6
VCC
7
OUT
8
VEE
analog I/O
supply
output
ground
PSEL
5
1.5kΩ
OUT
7
VEE
I_PSEL
VCC
VEE
power select input, high-
impedance comparator logic
TX standby: IPSEL = 0
TX active: IPSEL = 8µA
positive power supply
power amplifier output, open
collector
negative power supply
3901072013
Rev. 007
Page 8 of 21
Data Sheet
Oct/14