MC33493DTB Freescale Semiconductor, MC33493DTB Datasheet - Page 10

• Manufacturer Part Number: MC33493DTB
• Description: IC RF TRANSMITTER UHF 14-TSSOP
• Manufacturer: Freescale Semiconductor

Specifications of MC33493DTB

• Frequency: 315 ~ 434MHz, 868 ~ 928MHz
• Applications: General Data Transfer
• Modulation Or Protocol: FSK, OOK
• Data Rate - Maximum: 10 kbps
• Power - Output: -3dBm
• Current - Transmitting: 11.6mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 1.9 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 14-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Memory Size: -
• Lead Free Status / Rohs Status: Not Compliant

RF Output Spectrum
Note: This parameter is depending on crystal characteristics, load capacitor values (see
Note: Delay difference definition
10
The following figures represent spectrums of the transmitter carrier, measured in conduction mode. Three different spans have
been used. The 5 MHz span spectrum
within the PLL-loop bandwidth. The 50 MHz span spectrum
1.5 GHz span spectrum
modulation at DATA=1.
Figure 8
10
2.41
2.42
3.10
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3
Input data
Demodulated data
Data to RF delay difference between
shows the spectrum in case of FSK modulation with 45 kHz deviation at 4 kbit/s data rate.
DATACLK output high voltage
DATACLK output low voltage
RF Output Spectrum
ENABLE pulldown resistor
falling and rising edges,
Input hysteresis voltage
DATACLK settling time,
DATACLK falling time
DATACLK rising time
Input high voltage
Input low voltage
t
t
DATACLK_settling
Input current
delay_difference
Parameter
(Figure
PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7
t
delay_rise
7) shows the second and third harmonics of carrier. All spectrums are measured in OOK
Table 5. Electrical Characteristics (continued)
(Figure
C
5) shows phase noise response close to the RF carrier and the noise suppression
load
Pins: BAND, MODE, ENABLE, and DATA
= 2 pF, measured from 20% to 80% of the
45% < duty cycle f
Microcontroller Interfaces
Test Conditions, Comments
Pins: BAND, MODE,DATA = 1
MODE = 0, see note
MODE = 1, see note
t
delay_fall
(Figure
voltage swing
C
load
= 2 pF
6) shows phase noise and reference spurious. Finally, the
DATACLK
From 50% of data edge to corresponding
demodulated signal envelope edge:
t
delay_difference
< 55%
Table
= t
delay_fall
0.75 x
–200
0.7 x
Min.
V
V
3.5
4) and PCB track capacitance.
—
—
—
—
—
—
0
CC
0
CC
– t
Freescale Semiconductor
Limits
delay_rise
Typ.
5.25
180
250
150
800
—
—
—
—
—
—
—
0.25 x
Max.
0.3 x
2000
V
V
V
V
200
120
100
500
400
7.5
—
CC
CC
CC
CC
Unit
mV
kΩ
nA
µs
ns
ns
ns
µs
V
V
V
V