TH72031KDC Melexis Inc, TH72031KDC Datasheet - Page 10

• Manufacturer Part Number: TH72031KDC
• Description: 868/915 MHZ, FSK TRANSMITTER
• Manufacturer: Melexis Inc

Specifications of TH72031KDC

• Frequency: 868MHz, 915MHz
• Applications: Alarm and Security Systems, RKE
• Modulation Or Protocol: FSK
• Data Rate - Maximum: 40 kbps
• Power - Output: -11dBm ~ 9dBm
• Current - Transmitting: 5.1mA ~ 13.4mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 1.9 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Memory Size: -
• Other names: Q3477881B

4.5 AC Characteristics
all parameters under normal operating conditions, unless otherwise stated;
typical values at T
1) output matching network tuned for 5V supply
4.6 Output Power Steps
3901072031
Rev. 010
CW Spectrum Characteristics
Output power in step 0
(Isolation in off-state)
Output power in step 1
Output power in step 2
Output power in step 3
Output power in step 4
Phase noise
Spurious emissions according
to EN 300 220-1 (2000.09)
table 13
Start-up Parameters
Start-up time
Frequency Stability
Frequency stability vs. supply
voltage
Frequency stability vs. tem-
perature
Frequency stability vs. varia-
tion range of C
Power step
RPS / kΩ
Parameter
RO
A
= 23 °C and V
< 3
0
Symbol
CC
df
df
L(f
P
df
P
= 3 V; test circuit shown in Fig. 17, f
P
P
P
P
t
spur
VCC
CRO
on
off
TA
m
1
2
3
4
)
ENTX=1
ENTX=1
ENTX=1
ENTX=1
ENTX=1
@ 200kHz offset
47MHz< f <74MHz
87.5MHz< f <118MHz
174MHz< f <230MHz
470MHz< f <862MHz
B=100kHz
f < 1GHz, B=100kHz
f > 1GHz, B=1MHz
from standby to
transmit mode
crystal at constant
temperature
22
1
Condition
Page 10 of 20
56
2
Min
-13
-4
1
4
c
= 868.3 MHz
Typ
120
-12
-87
2.5
7.5
0.6
-3
3
FSK Transmitter
TH72031
-11
3.5
9.5
Max
868/915MHz
-2
±10
±20
-70
-82
-54
-36
-30
±3
1
not connected
1)
1)
1)
1)
Data Sheet
4
dBc/Hz
dBm
Unit
dBm
dBm
dBm
dBm
dBm
dBm
dBm
ppm
ppm
ppm
Jan/09
ms