TXM-418-LR_ Linx Technologies Inc, TXM-418-LR_ Datasheet - Page 2

• Manufacturer Part Number: TXM-418-LR_
• Description: TRANSMITTER 418MHZ LR SERIES
• Manufacturer: Linx Technologies Inc
• Series: LRr

Specifications of TXM-418-LR_

• Frequency: 418MHz
• Applications: ISM, RKE, Security and Fire Alarms
• Modulation Or Protocol: ASK, OOK
• Data Rate - Maximum: 10 kbps
• Power - Output: -4dBm ~ 4dBm
• Current - Transmitting: 3.3mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.1 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: Surface Mount
• Board Size: 12.7 mm x 9.1 mm x 3.3 mm
• Minimum Operating Temperature: - 40 C
• Supply Voltage (min): 2.1 V
• Product: RF Modules
• Maximum Frequency: 418 MHz
• Supply Voltage (max): 3.6 V
• Maximum Operating Temperature: + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: TXM-418-LR

Table 1: LR Series Transmitter Electrical Specifications
Notes
1. With a 50% duty cycle.
2. With a 750Ω resistor on LADJ.
3. See graph on Page 3.
4. Characterized, but not tested.
ABSOLUTE MAXIMUM RATINGS
Page 2
ELECTRICAL SPECIFICATIONS
Parameter
POWER SUPPLY
Operating Voltage
Supply Current:
Power-Down Current
TRANSMITTER•SECTION
Transmit Frequency Range:
Center Frequency Accuracy
Output Power
Output Power Control Range
Harmonic Emissions
Data Rate
Data Input:
Power Down Input:
ANTENNA PORT
RF Output Impedance
TIMING
Transmitter Turn-On Time:
ENVIRONMENTAL
Operating Temperature Range
Logic High
Logic Low
TXM-315-LR
TXM-418-LR
TXM-433-LR
Logic Low
Logic High
Logic Low
Logic High
Via V
Modulation Delay
CC
or PDN
Supply Voltage V
Any Input or Output Pin
Operating Temperature
Storage Temperature
Soldering Temperature
*NOTE*
damage to the device. Furthermore, extended operation at these maximum
ratings may reduce the life of this device.
Exceeding any of the limits of this section may lead to permanent
CC
Designation
R
V
I
V
V
I
PDN
F
P
P
V
V
CC
OUT
–
–
–
–
–
–
CC
IH
IH
C
O
H
IL
IL
V
V
CC
CC
Min.
2.1
-50
-80
DC
-40
-4
–
–
–
–
–
–
–
–
–
-0.25
–
-0.25
–
–
–
-0.3
-0.3
-40
-40
+225°C for 10 seconds
Typical
433.92
315
418
3.0
3.4
5.1
1.8
5.0
0.0
1.0
50
–
–
–
–
–
–
–
–
–
–
to
to V
to
to
10,000
Max.
0.25
0.25
30.0
CC
+50
+10
+85
3.6
-36
+4
–
–
–
–
–
–
–
–
–
–
–
+3.6
+85
+90
+ 0.3
mSec
Units
VDC
VDC
VDC
VDC
VDC
MHz
MHz
MHz
dBm
kHz
dBc
mA
mA
mA
bps
nA
dB
nS
°
Ω
VDC
VDC
C
°C
°C
Notes
1,2
–
2
–
–
–
–
–
–
2
3
–
–
–
–
–
–
4
4
4
4
PERFORMANCE DATA
TYPICAL PERFORMANCE GRAPHS
These performance parameters
are based on module operation at
25°C from a 3.0VDC supply unless
otherwise
illustrates
necessary
operation. It is recommended all
ground pins be connected to the
ground plane.
Figure 3: Modulation Delay
Figure 4: Output Power vs. LADJ Resistance
Figure 5: Current Consumption vs. Output Power (50% Duty Cycle)
4.5
3.5
2.5
3
4
2
6.00
12
10
noted.
8
6
4
2
0
9.00
for
the
1. 500mV/div
ASK RF Output
6.00
3.00
TX Data
testing
connections
3.00
Figure
0.00
2. 2.00V/div
0.00
-3.00
and
-3.00
Output Power (dBm)
100nS/div
Output Power (dBm)
2
-6.00
-6.00
Figure 2: Test / Basic Application Circuit
-9.00
VCC
-9.00
750
-12.00
-12.00
-15.00
-15.00
GND
DATA
GND
LADJ/VCC
-18.00
-18.00
-21.00
1
2
-21.00
GND
PDN
VCC
ANT
VCC
Page 3