TH72035KLD Melexis Inc, TH72035KLD Datasheet - Page 7

• Manufacturer Part Number: TH72035KLD
• Description: TRANSMITTER, FSK/ASK, 433MHZ, 10QFN
• Manufacturer: Melexis Inc

Specifications of TH72035KLD

• Transmitting Current: 17.3mA
• Data Rate: 40Kbps
• Frequency Range: 850MHz To 930MHz
• Modulation Type: ASK, FSK
• Rf Ic Case Style: QFN
• No. Of Pins: 10
• Supply Voltage Range: 1.95V To 5.5V
• Operating: RoHS Compliant
• Output Power: 9.5dBm
• Rohs Compliant: Yes

3 Pin Definition and Description
39010 72035
Rev. 009
Pin No.
10
1
2
3
4
5
6
7
8
9
ASKDTA
FSKDTA
FSKSW
ROI
ENTX
PSEL
VEE
OUT
VEE
VCC
Name
input
analog I/O
analog I/O
input
analog I/O
output
supply
input
ground
ground
I/O Type
ASKDTA
ENTX
FSKDTA
5
1
2
PSEL
6
Functional Schematic
ROI
OUT
4
8
VEE
FSKSW
3
1.5k
1.5k
Page 7 of 20
1.5k
Ω
Ω
Ω
1.5k
36p
36p
25k
Ω
0: ENTX=1
1: ENTX=0
0: ENTX=1
1: ENTX=0
VCC
VEE
8µA
FSK/ASK Transmitter
ASK data input,
CMOS compatible with op-
eration mode dependent
pull-up circuit
TX standby: no pull-up
TX active: pull up
FSK data input,
CMOS compatible with op-
eration mode dependent
pull-up circuit
TX standby: no pull-up
TX active: pull up
XOSC FSK pulling pin,
MOS switch
XOSC connection to XTAL,
Colpitts type crystal oscilla-
tor
mode control input,
CMOS-compatible with in-
ternal pull-down circuit
power select input, high
impedance comparator logic
TX standby: I
TX active: I
negative power supply
power amplifier output,
open collector
negative power supply
positive power supply
TH72035
Description
PSEL
868/915MHz
PSEL
= 8µA
= 0
Data Sheet
March/08