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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 50
Ω load.
3. With 430
Ω resistor on LADJ.
4. Characterized, but not tested.
Notes
Table 1: KH2 Series Transmitter Electrical Specifications
Parameter
Designation
Min.
Typical
Max.
Units
Notes
POWER SUPPLY
Operating Voltage
VCC
2.7
–
5.2
VDC
–
Supply Current
ICC
–
1.5
–
mA
1,4
Power-Down Current
IPDN
–
1.0
–
µA
–
TRANSMITTER SECTION
Transmit Frequency Range:
FC
TXE-315-KH2
–
315
–
MHz
–
TXE-418-KH2
–
418
–
MHz
–
TXE-433-KH2
–
433.92
–
MHz
–
Center Frequency Accuracy
–
-75
–
+75
kHz
–
Output Power
PO
-4
+2
+4
dBm
2,3
Harmonic Emissions:
PH
TXE-315-KH2
-40
–
–
dBc
–
TXE-418-KH2
-40
–
–
dBc
–
TXE-433-KH2
-45
–
–
dBc
–
ANTENNA PORT
RF Output Impedance
ROUT
–50
–
Ω
4
ENCODER SECTION
Data Length
–
–
26 bits 3x
–
–
–
Average Data Duty Cycle
–
–
50%
–
–
4
Encoder Oscillator
FENC
–
70
–
kHz
4
Data Input:
Logic Low
–
0.0
–
0.2 x VCC
VDC
4
Logic High
VCC x 0.8
–
VCC
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 VCC
-0.3
to
+6.0
VDC
Any Input or Output Pin
-0.3
to
VCC
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
LADJ/GND
D0
D1
GND
VCC
TE
D2
D3
D4
D5
D6
D7
ANT
GND
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
9
10
11
24
23
22
21
20
19
18
17
16
15
14
13
12
3VDC
VCC
TYPICAL PERFORMANCE GRAPHS
2.5
3.0
3.5
4.0
4.5
5.0
Supply Voltage (V)
1
3
2
4
5
6
7
8
9
10
11
12
0
With 430
Ω resistor on LADJ
With LADJ tied to ground
0
-1
-4
-5
-6
-7
2.5
3.0
3.5
4.0
4.5
-2
-3
Supply Voltage (V)
+1
+3
+2
+4
+5
+6
+7
+8
5.0
With 430
Ω resistor on LADJ
With LADJ tied to ground
+8
+7
+6
+5
+4
+3
+2
+1
0
-1
-2
-3
-4
LADJ Pin Resistor Value (
Ω)
51
100 150 200 240 300 360 430 510 560 620 680 750 820 910 1.1K
3V
5V
Figure 3: Supply Current vs. Supply Voltage
Figure 4: Output Power vs. Supply Voltage
Figure 5: Output Power vs. LADJ Resistor
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