Linx Technologies TXM-xxx-KH3 - Manual (Page 4)

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Ordering Information
Absolute Maximum Ratings
Electrical Specifications
Ordering Information
Part Number Description
TXM-315-KH3 315MHz Transmitter / Encoder
TXM-418-KH3 418MHz Transmitter / Encoder
TXM-433-KH3 433MHz Transmitter / Encoder
RXM-315-KH3 315MHz Receiver / Decoder
RXM-418-KH3 418MHz Receiver / Decoder
RXM-433-KH3 433MHz Receiver / Decoder
EVAL-***-KH3 KH3 Series Basic Evaluation Kit
*** = 315, 418 (Standard), 433MHz
Transmitters are supplied in tubes of 20 pcs.
Figure 2: Ordering Information
Absolute Maximum Ratings
Supply Voltage V
cc
−0.3 to +6.0 VDC
Any Input or Output Pin −0.3 to V
CC
VDC
Operating Temperature −40 to +85 ºC
Storage Temperature −55 to +125 ºC
Soldering Temperature +225ºC for 10 seconds
Exceeding any of the limits of this section may lead to permanent damage to the device.
Furthermore, extended operation at these maximum ratings may reduce the life of this
device.
Figure 3: Absolute Maximum Ratings
Warning: This product incorporates numerous static-sensitive
components. Always wear an ESD wrist strap and observe proper ESD
handling procedures when working with this device. Failure to observe
this precaution may result in module damage or failure.
KH3 Series Transmitter Specifications
Parameter Symbol Min. Typ. Max. Units Notes
Power Supply
Operating Voltage V
CC
2.7 5.2 VDC
Average TX Supply Current I
TX
At 3.3dBm 2.7 mA 1,2,4
At 0dBm 1.5 mA 1,2,3,4
Power-Down Current I
PDN
1.0 µA
Transmitter Section
Transmit Frequency F
C
TXM-315-KH3 315 MHz
TXM-418-KH3 418 MHz
TXM-433-KH3 433.92 MHz
Center Frequency Accuracy –75 +75 kHz 2,4
Output Power P
O
–4 –1 +4 dBm 2,3
Harmonic Emissions P
H
–36 dBc 2
Antenna Port
RF Impedance R
I N
50 Ω
Encoder
Data Length 26 bits 3x
Average Data Duty cycle 50% 5
Data Input
Logic Low 0.0 0.2xV
CC
VDC 5
Logic High V
CC
x0.8 V
CC
VDC 5
Input Sink Current 0.6 0.1 5 µA 5
Environmental
Operating Temp. Range –30 +70 ºC 5
Figure 4: Electrical Specifications
1. Curent draw with 50% mark/space
ratio
2. Into a 50 Ω load
3. With a 430 Ω resistor on LADJ
4. At 3V and 25ºC
5. Characterized, but not tested