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ELECTRICAL SPECIFICATIONS
*CAUTION*
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.
1. Current draw with 50% mark / space ratio.
2. Into a 50Ω load.
3. With 430Ω resistor on LADJ.
4. Characterized, but not tested.
Notes
Table 1: KH Series Transmitter Electrical Specifications
Parameter Designation Min. Typical Max. Units Notes
POWER SUPPLY
Operating Voltage V
CC
2.7 – 5.2 VDC –
Supply Current I
CC
– 1.5 – mA 1,4
Power-Down Current I
PDN
– 1.0 – µA –
TRANSMITTER SECTION
Transmit Frequency Range: F
C
TXE-315-KH – 315 – MHz –
TXE-418-KH – 418 – MHz –
TXE-433-KH – 433.92 – MHz –
Center Frequency Accuracy – -75 – +75 kHz –
Output Power P
O
-4 +2 +4 dBm 2,3
Harmonic Emissions: P
H
TXE-315-KH -40 – – dBc –
TXE-418-KH -40 – – dBc –
TXE-433-KH -45 – – dBc –
ANTENNA PORT
RF Output Impedance R
OUT
–50–Ω 4
ENCODER SECTION
Data Length – – 26 bits 3x – – –
Average Data Duty Cycle – – 50% – – 4
Encoder Oscillator F
ENC
– 70 – kHz 4
Data Input:
Logic Low – 0.0 – 0.2 x V
CC
VDC 4
Logic High V
CC
x 0.8 – V
CC
VDC 4
Input Sink Current – 0.6 1.0 1.2 mA 4
ENVIRONMENTAL
Operating Temperature Range – -30 – +70
°C4
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 -30 to +70 °C
Storage Temperature -45 to +85 °C
Soldering Temperature +225°C for 10 seconds
*NOTE* 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.
PERFORMANCE DATA
These performance parameters
are based on module operation at
25°C from a 3.0VDC supply unless
otherwise noted. Figure 2
illustrates the connections
necessary for testing and
operation. It is recommended all
ground pins be connected to the
ground plane.
Figure 2: Test / Basic Application Circuit
