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TH72012 Arkusz danych(PDF) 8 Page - Melexis Microelectronic Systems

Numer części TH72012
Szczegółowy opis  433MHz ASK Transmitter
PDF  21 Pages
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Producent  MELEXIS [Melexis Microelectronic Systems]
Strona internetowa  http://www.melexis.com
Logo MELEXIS - Melexis Microelectronic Systems

TH72012 Arkusz danych(HTML) 8 Page - Melexis Microelectronic Systems

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TH72012
433MHz
ASK Transmitter
Page 8 of 21
REVISION 013 - JUNE 14, 2017
3901072012
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
n. c.
no connection
3
ROI
analog I/O
XOSC connection to XTAL,
Colpitts type crystal oscillator
4
ENTX
input
mode control input, CMOS-
compatible with internal pull-
down circuit
5
PSEL
analog I/O
power select input, high-
impedance comparator logic
TX standby: IPSEL = 0
TX active: IPSEL = 8µA
6
VCC
supply
positive power supply
7
OUT
output
power amplifier output, open
collector
8
VEE
ground
negative power supply
1
.5
k
1
0
:E
N
T
X
=
1
1
:E
N
T
X
=
0
A
S
K
D
T
A
ROI
3
36p
36p
25k
E
N
T
X
4
1
.5
k
PSEL
5
1.5k
PSEL
I
OUT
7
VEE
VEE
VCC



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