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PDF PT4450 Data sheet ( Hoja de datos )
| Número de pieza | PT4450 | |
| Descripción | SAW-based ASK/OOK Transmitter IC | |
| Fabricantes | PTC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PT4450 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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SAW-based ASK/OOK Transmitter IC
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Preliminary
PT4450
DESCRIPTION
PT4450 is a high performance ASK/OOK transmitter for the Remote Keyless Entry (RKE) systems.
It consists of a SAW oscillator, power amplifier, and one-shot circuit which control the SAW
oscillator and power amplifier.
FEATURES
• Highly integrated ASK/OOK transmitter
• High output power, 3V/+10dBm/18mA
• Low supply voltage (2.2V to 3.6V operation range)
• Low external component cost.
• SAW-based oscillator, frequency range from 250MHz to 500MHz
• On-chip one-shot circuit
• 50dB RF on/off ratio
• Available in 6 pins, SOT-23 package
APPLICATIONS
• Keyless entry systems
• Remote control systems
• Garage door openers
• Alarm systems
• Security systems
• Wireless sensors
http://www.DataSheet4U.net/
PT4450 PRE1.0
-1-
August, 2007
datasheet pdf - http://www.DataSheet4U.net/
1 page  
SAW-based ASK/OOK Transmitter IC
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Preliminary
PT4450
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, VDD=3.0V, VSS=0V, DIN=3.0V. Temp=27℃, fRF=434MHz)
Parameter
Symbol
Condition
Rating
Min. Typ. Max.
Unit
DC
Supply voltage
Operating current (Note)
Standby current
RF
Frequency range
Power amplifier output power (Note)
RF power on/off ratio
Phase noise
Harmonics (see Note)
Data Input and One Shot
Data rate
Start up time
One shot delay time
VDD 2.2 3.0 3.6
IDD
DIN=High(CW mode);
POUT=10dBm
16
-
18
Istandby DIN=Low; TDELAY>50ms - - 1
V
mA
µA
fRF
Pout
PEXT
PNOISE
PHARM
10KHz offset
2x/3x fRF
250 - 500 MHz
- +10 - dBm
- 50 -
dB
- -100 - dBc/Hz
- -40 - dBc
DRATE
TON
TDELAY
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0.5 2 50 Kbps
- - 200 µs
50 - - ms
Note: Depend on power amplifier output matching.
PT4450 PRE1.0
-5-
August, 2007
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
SAW-based ASK/OOK Transmitter IC
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Preliminary
PT4450
Notes:
1. Dimension and tolerancing per ASME Y14.5M-1994.
2. Dimension in Millimeters.
3. Dimension D does not include mold flash, protrusion or gate burrs. Mold flash, protrusions or gate
burrs shall not exceed 0.25mm per end. Dimension E1 does not include interlead flash or
protrusion. Interlead flash or protrusion shall not exceed 0.25mm per side. D and E1 dimensions
are determined at datum H.
4. The package top may be smaller than the package bottom. Dimensions D and E1 are determined at
the outermost extremes of the plastic body exclusive of mold flash, tie bar burrs, gate burrs and
interlead flash, but including any mismatch between the top and bottom of the plastic body. D and
E1 dimensions are determined at datum H.
5. Datums A & B to be determined at datum H.
6. These dimensions apply to the flat section of the lead between 0.08mm and 0.15mm from the lead
tip.
7. Dimension “b” does not include dambar protrusion. Allowable dambar protrusion shall be 0.08mm
total in exceed of the “b” dimension at maximum material condition. The dambar cannot be located
on the lower radius of the foot. Minimum space between protrusion and an adjacent lead shall not
be less than 0.07mm.
8. Details of the pin 1 identifier are optional, but must be located within the zone indicated.
9. Refer to JEDEC MO-178 Variation AB
JEDEC is the trademark of JEDEC SOLID STATE TECHNOLOGY ASSOCIATION
http://www.DataSheet4U.net/
PT4450 PRE1.0
- 11 -
August, 2007
datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet PT4450.PDF ] | |
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