MC33493DTB Freescale Semiconductor, MC33493DTB Datasheet

IC RF TRANSMITTER UHF 14-TSSOP

MC33493DTB

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

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
Freescale Semiconductor
Data Sheet: Product Preview
PLL Tuned UHF Transmitter
for Data Transfer
Applications
© Freescale Semiconductor, Inc., 2007. All rights reserved.
This document contains information on a product under development. Freescale reserves the
right to change or discontinue this product without notice.
Selectable frequency bands:
315—434 MHz and 868—928 MHz
OOK and FSK modulation
Adjustable output power range
Fully integrated voltage control oscillator (VCO)
Supply voltage range: 1.9—3.6 V
Very low standby current: 0.1 nA @ T
Low-supply voltage shutdown
Data clock output for microcontroller
Extended temperature range: –40 to 125 °C
Low external component count
Typical application compliant with European
Telecommunications Standards Institute (ETSI)
standard
A
= 25 °C
MC33493DTB –40°C to 125°C TSSOP14
MC3493DTBE –40°C to 125°C TSSOP14
DATACLK
Device
XTAL1
XTAL0
BAND
DATA
REXT
GND
Ordering Information
MC33493
PIN CONNECTIONS
Document Number: MC33493
1
2
3
4
5
6
7
Temperature
Ambient
Range
14
13
12
10
11
9
8
Rev. 1.7, 03/2007
MODE
ENABLE
VCC
GNDRF
RFOUT
VCC
CFSK
Package
(ROHS)

Related parts for MC33493DTB

MC33493DTB Summary of contents

Page 1

... Freescale Semiconductor, Inc., 2007. All rights reserved. MC33493 PIN CONNECTIONS DATACLK DATA = 25 °C A BAND GND XTAL1 XTAL0 REXT Ordering Information Device MC33493DTB –40°C to 125°C TSSOP14 MC3493DTBE –40°C to 125°C TSSOP14 Document Number: MC33493 Rev. 1.7, 03/2007 1 MODE ENABLE 3 12 VCC 11 ...

Page 2

... Table 6. External Components Description for OOK Table 7. Typical Crystal Characteristics (SMD Package Table 8. External Components Description for FSK . . . . . . . . . 17 Table 9. Crystal Pulling Capacitor Values vs Carrier Frequency Total Deviation - Table 10.Crystal Pulling Capacitor Values vs Carrier Frequency Total Deviation - Table 11.Pads and Tracks Parasitic Values . . . . . . . . . . . . . . . . 19 Freescale Semiconductor ...

Page 3

... Junction temperature 1 Human Body model, AEC-Q100-002 Rev Machine Model, AEC-Q100-003 Rev. E. PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 Freescale Semiconductor Figure 1. Simplified Block Diagram Table 1. Pin Function Description Description Clock output to the microcontroller Data input Frequency band selection ...

Page 4

... PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 4 × [PLL divider ratio]. The frequency band of operation RFOUT XTAL Frequency Band PLL Divider Ratio (MHz) 315 32 434 868 64 ± ± 1 (typ Crystal Oscillator Frequency (MHz) 9.84 13.56 =25 °C). A Figure 2 Freescale Semiconductor ...

Page 5

... One digital output pin, DATACLK, provides the microcontroller with a reference frequency for data clocking. This frequency is equal to the crystal oscillator frequency divided by 64 (see Table 4. DATACLK Frequency vs Crystal Oscillator Frequency Crystal Oscillator Frequency (MHz) PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 Freescale Semiconductor Figure 2. Crystal Pulling Configurations Table 4). DATACLK Frequency (kHz) 9 ...

Page 6

... Standby mode ENABLE=1 State output PLL out of lock-in range State 3 Transmission mode Figure 3. State machine , the PLL may be in acquisition mode. If t≥t PLL_lock_in ENABLE=0 State 4 Shutdown mode V < V battery shutdown PLL_lock_in ,) the entire circuit switches off. After this SDWN Freescale Semiconductor , ...

Page 7

... MHz, reference frequency f carrier (Figure 9). Values refer to the circuit shown in the recommended application schematics: shows FSK modulation. Typical values reflect average measurement at VCC = °C. and Figure 14 PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 Freescale Semiconductor t PLL_lock_in t PLL_lock_in f carrier f ...

Page 8

... V — 1.99 2.06 V — 1.86 1.95 V — 1.76 1.84 V — 1.68 1.78 V — 1.56 1. — 21 kΩ — 5 — dBm — 1 — dBm – dBm –7 –3 0 dBm — –0.35 — dB/kΩ –0.25 mA/kΩ Freescale Semiconductor ...

Page 9

... CFSK output capacitance 2.40 Data rate PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 Freescale Semiconductor Test Conditions, Comments 315 and 434 MHz bands, with 50 Ω matching network 868 MHz band, with 50 Ω matching network 315 and 434 MHz bands ...

Page 10

... Table 4) and PCB track capacitance – t delay_fall delay_rise 0 — 0 0.7 x — — — 120 — — 100 — 180 — 0 — 0. 0.75 x — — 250 500 — 150 400 < 55% — 800 2000 Freescale Semiconductor Unit µ kΩ µs ...

Page 11

... Figure 5. RF Spectrum at 434 MHz Frequency Band Displayed with a 5 MHz Span Figure 6. RF Spectrum at 434 MHz Frequency Band Displayed with a 50 MHz Span PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 Freescale Semiconductor RF Output Spectrum Resolution bandwidth: ...

Page 12

... RF Output Spectrum Figure 7. RF Spectrum at 434 MHz Frequency Band Displayed with a 1.5 GHz Span Figure 8. RF Spectrum at 434 MHz Band for a 70 kHz FSK Deviation at 4.8 kbit/s PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 12 Freescale Semiconductor ...

Page 13

... Figure 10. Output Model and Matching Network for 434 MHz Band PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 Freescale Semiconductor Characteristics,” are measured with a 50 Ω load directly connected to the 9. This wideband coupling method gives results independent of the application. ...

Page 14

... Output power on 50Ω Ω Ω Ω load (dBm Rext (kΩ Ω Ω Ω ) 11. The typical gain of this 868 MHz matching network compared to unmatched REXT SPECIFIED RANGE -0.35dB/kΩ Ω Ω Ω # -0.35mA/kΩ Ω Ω Ω Value ext Freescale Semiconductor 24 ...

Page 15

... MHz band (f = 9.84375 MHz, –40 °C < T reference • at 434/868 MHz bands (f reference and NDK NX1255GA. PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 Freescale Semiconductor Complete Application Schematic and PCB for OOK Modulation SW2a SW2 SW1 SW1a C2 C3 ...

Page 16

... PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 16 NDK NX8045GB/CSJ S1-40125-8050-12 (for 434 MHz and 868 MHz 3.33 4.4 1.05 1.5 28 18.5 Figure 13. Two-Button Keyfob Board Layout NDK NX1255GA Unit (for 434 MHz and 868 MHz 10.5 fF 2.46 pF Ω 10 Freescale Semiconductor ...

Page 17

... C2 Power supply decoupling capacitor C6 Figure 15 shows the corresponding PCB layout. PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 Freescale Semiconductor Complete Application Schematic and PCB for FSK Modulation Function Crystal 315 MHz band: 9.84, See 434 MHz band: 13.56, see 868 MHz band: 13 ...

Page 18

... Table 7), is enabled to reach higher deviation as mentioned on C3 capacitor value (pF) 150 1 300 1 Figure 14 and Table Recommended C4 capacitor (pF) R_off value (kΩ) 6 — 6 — Table C4 capacitor value Recommended (pF) R_off value (kΩ) 27 — 27 — 9) Freescale Semiconductor 10. ...

Page 19

... Figure 16. When used, this component can be soldered on top of C3. Figure 16. Crystal Load Capacitance Contributors Schematic PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 Freescale Semiconductor Table 11 and the corresponding PCB layout is shown in figure Table 11. Pads and Tracks Parasitic Values ...

Page 20

... F 0.50 0.75 0.020 0.030 G 0.65 BSC 0.026 BSC H 0.50 0.60 0.020 0.024 J 0.09 0.20 0.004 0.008 J1 0.09 0.16 0.004 0.006 -W- K 0.19 0.30 0.007 0.012 K1 0.19 0.25 0.007 0.010 L 6.40 BSC 0.252 BSC ° ° ° ° Freescale Semiconductor ...

Page 21

... PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7 Freescale Semiconductor THIS PAGE INTENTIONALLY BLANK 21 ...

Page 22

... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...

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