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TH72015 Arkusz danych(PDF) 7 Page - Melexis Microelectronic Systems

Numer części TH72015
Szczegółowy opis  FSK/ASK Transmitter
PDF  20 Pages
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Producent  MELEXIS [Melexis Microelectronic Systems]
Strona internetowa  http://www.melexis.com
Logo MELEXIS - Melexis Microelectronic Systems

TH72015 Arkusz danych(HTML) 7 Page - Melexis Microelectronic Systems

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TH72015
433MHz
FSK/ASK Transmitter
3901072015
Page 7 of 20
Data Sheet
Rev. 011
Jun/12
3 Pin Definition and Description
Pin No.
Name
I/O Type
Functional Schematic
Description
1
ASKDTA
input
ASK data input,
CMOS compatible with
operation mode dependent
pull-up circuit
TX standby: no pull-up
TX active: pull up
2
FSKDTA
input
FSK data input,
CMOS compatible with
operation mode dependent
pull-up circuit
TX standby: no pull-up
TX active: pull up
3
FSKSW
analog I/O
XOSC FSK pulling pin,
MOS switch
4
ROI
analog I/O
XOSC connection to XTAL,
Colpitts type crystal
oscillator
5
ENTX
input
mode control input,
CMOS-compatible with
internal pull-down circuit
6
PSEL
analog I/O
power select input, high-
impedance comparator logic
TX standby: IPSEL = 0
TX active: IPSEL = 8µA
7
VEE
ground
negative power supply
8
OUT
output
power amplifier output,
open collector
9
VEE
ground
negative power supply
10
VCC
supply
positive power supply
1.5k
Ω
1
0: ENTX=1
1: ENTX=0
ASKDTA
1.5k
Ω
2
0: ENTX=1
1: ENTX=0
FSKDTA
FSKSW
3
ROI
4
36p
36p
25k
ENTX
5
1.5k
Ω
PSEL
6
1.5k
Ω
8µA
OUT
8
VEE
VEE
VCC



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