PT4450 datasheet(5/11 Pages) PTC

Part #	PT4450

Description	SAW-based ASK/OOK Transmitter IC

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Manufacturer	PTC [Princeton Technology Corp]

Direct Link	http://www.princeton.com.tw

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5 / 11 page

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

PT4450 PRE1.0

- 5 -

August, 2007

SAW-based ASK/OOK Transmitter IC

Preliminary

PT4450

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, VDD=3.0V, VSS=0V, DIN=3.0V. Temp=27℃, fRF=434MHz)

Rating

Parameter

Symbol

Condition

Min. Typ. Max.

Unit

DC

Supply voltage

VDD

2.2

3.0

3.6

V

Operating current (Note)

IDD

DIN=High(CW mode);

POUT=10dBm

16

-

18

mA

Standby current

Istandby

DIN=Low; TDELAY>50ms

-

1

µA

RF

Frequency range

fRF

250

-

500

MHz

Power amplifier output power (Note)

Pout

-

+10

-

dBm

RF power on/off ratio

PEXT

-

50

-

dB

Phase noise

PNOISE

10KHz offset

-

-100

-

dBc/Hz

Harmonics (see Note)

PHARM

2x/3x fRF

-

-40

-

dBc

Data Input and One Shot

Data rate

DRATE

0.5

2

50

Kbps

Start up time

TON

-

200

µs

One shot delay time

TDELAY

50

-

ms

Note: Depend on power amplifier output matching.

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