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ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Parameter
POWER SUPPLY
Operating Voltage
Supply Current
Power-Down Current
Designation
V CC
I CC
I PDN
Min.
2.7
–
–
Typical
–
1.5
1.0
Max.
5.2
–
–
Units
VDC
mA
μA
Notes
–
1,4
–
Supply Voltage V CC
Any Input or Output Pin
Operating Temperature
Storage Temperature
Soldering Temperature
-0.3
-0.3
-30
-45
+225°C
to +6.0
to V CC
to +70
to +85
for 10 seconds
VDC
VDC
°C
°C
TRANSMITTER SECTION
Transmit Frequency Range:
F C
*NOTE* Exceeding any of the limits of this section may lead to permanent
damage to the device. Furthermore, extended operation at these maximum
TXE-315-KH2
TXE-418-KH2
–
–
315
418
–
–
MHz
MHz
–
–
ratings may reduce the life of this device.
TXE-433-KH2
Center Frequency Accuracy
–
–
-75
433.92
–
–
+75
MHz
kHz
–
–
PERFORMANCE DATA
LADJ/GND
D0
Output Power
Harmonic Emissions
ANTENNA PORT
P O
P H
-4
–
+2
–
+4
-36
dBm
dBc
2,3
2
These performance parameters
are based on module operation at
25°C from a 3.0VDC supply unless
VCC
1
2
ANT
GND
24
2 3
RF Output Impedance
ENCODER SECTION
Data Length
Average Data Duty Cycle
Encoder Oscillator
Data Input:
R OUT
–
–
F ENC
–
–
–
–
50
26 bits 3x
50%
70
–
–
–
–
Ω
–
–
kHz
4
–
4
4
otherwise noted. Figure 2
illustrates the connections
necessary for testing and
operation. It is recommended all
ground pins be connected to the
ground plane.
3 VDC
3
4
5
6
7
8
9
10
11
12
D1
GND
VCC
TE
D2
D 3
D4
D5
D6
D7
A9
A8
A7
A6
A5
A4
A 3
A2
A1
A0
22
21
20
19
18
17
16
15
14
1 3
Logic Low
Logic High
Input Sink Current
–
–
0.0
V CC x 0.8
0.6
–
–
1.0
0.2 x V CC
V CC
1.2
VDC
VDC
mA
4
4
4
Figure 2: Test / Basic Application Circuit
ENVIRONMENTAL
TYPICAL PERFORMANCE GRAPHS
Operating Temperature Range
–
-30
–
+70
° C
4
Table 1: KH2 Series Transmitter Electrical Specifications
Notes
12
11
10
9
8
+8
+7
+6
+5
+4
+3
With LADJ tied to ground
1.
2.
3.
4.
Current draw with 50% mark / space ratio.
Into a 50 Ω load.
With 430 Ω resistor on LADJ.
Characterized, but not tested.
7
6
5
4
3
2
With LADJ tied to ground
+2
+1
0
-1
-2
-3
-4
With 430 Ω resistor on LADJ
1
0
2.5
With 430 Ω resistor on LADJ
3.0 3.5 4.0 4.5 5.0
-5
-6
-7
2.5
3.0
3.5
4.0 4.5
5.0
Supply Voltage (V)
Figure 3: Supply Current vs. Supply Voltage
Supply Voltage (V)
Figure 4: Output Power vs. Supply Voltage
*CAUTION*
This product incorporates numerous static-sensitive components.
+8
+7
+6
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.
+5
+4
+3
+2
+1
0
-1
3V
5V
-2
-3
-4
51 100 150 200 240 300 360 430 510 560 620 680 750 820 9 10 1.1K
LADJ Pin Resistor Value ( Ω )
Figure 5: Output Power vs. LADJ Resistor
Page 2
Page 3
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