TH71081EDC Melexis Inc, TH71081EDC Datasheet - Page 6

• Manufacturer Part Number: TH71081EDC
• Description: IC XMITTER/LO SOURCE 8-SOIC
• Manufacturer: Melexis Inc

Specifications of TH71081EDC

• Rohs Status: RoHS non-compliant
• Frequency: 800MHz ~ 930MHz
• Applications: Alarm and Security Systems, RKE
• Modulation Or Protocol: ASK
• Data Rate - Maximum: 40 kbps
• Power - Output: -15dBm ~ -1dBm
• Current - Transmitting: 6.2mA ~ 12.5mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Features: -
• Memory Size: -
• Other names: TH71081

AC Characteristics
all parameters under normal operating conditions, unless otherwise stated;
typical values at T
ENTX = 1, V
Output Power Selection
typical values at T
ENTX = 1, f
If the transmitter is operated at any supply voltage V
the values for R
Crystal Parameter
3901071081
Rev. 004
Output power
FM deviation
Modulation frequency FM
Data rate ASK
Reference spurs
Harmonic content
Spurious output signal
Phase noise
VCO gain
Charge pump current
Start-up time
Crystal frequency
Load capacitance
Static capacitance
Resonance resistance
Spurious response
P
P
R1 / k
R2 / k
harm
I
V
cc
o
PS
/ dBm
/ mA
/ dBm
Parameter
Parameter
/ V
c
PS
= 868.3 MHz, test circuit shown in Fig. 2
= 1.1V, f
1
and R
a
a
= 23 °C and V
= 23 °C and V
12.5
-40
0
1
2
2
c
can be calculated as allows:
= 868.3 MHz, test circuit shown in Fig. 2
Symbol
Symbol
P
f
R
K
C
a
crystal
f
P
P
PN
R
I
P
mod
t
C
harm
VCO
spur
f
ASK
CP
load
on
ref
off
cc
FM
cc
m
o
0
= 3 V;
= 3 V:
7.5
4.7
1.1
9.5
-2
-40
adjustable with
varactor and V
NRZ
@ f
@ 2f
V
@ f
from ”all OFF” to any
other mode
fundamental mode, AT
PS
c
c
c
0.1V
Condition
, 3f
500kHz
f
Condition
ref
c
Page 6 of 10
, 4f
cc
4.7
0.9
8.5
11
-5
-40
,
c
FM
ASK Transmitter / LO Source
R
1
Min
4.7
0.7
7.8
15
-8
-45
Min
R
25
10
2
V
V
Typ
300
PS
-44
-40
-60
-87
cc
40
260
-2
5
6
1
-12
4.7
0.5
7.0
24
-45
Max
-10
29
15
40
TH71081
7
Max
0.9
868/915MHz
Data Sheet
Dec. 2001
MHz
4.7
0.3
6.2
-15
Unit
dBc/Hz
MHz/V
43
-50
dB
pF
pF
kbit/s
dBm
dBm
dBm
dBm
Unit
kHz
kHz
ms
µA