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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

UPCONVERTER CHARACTERISTICS

TRF1121

TRF1221

SLWS170A – APRIL 2005 – REVISED DECEMBER 2005

over operating free-air temperature range (unless otherwise noted)

VALUE

UNIT

DC supply voltage

0 to 5.5

V

DC supply current

270

mA

RF input power

20

dBm

Junction temperature

150

°C

Power dissipation

1.5

W

Digital input voltage

V

Analog input voltage

V

θ

JC

25

°C/W

Storage temperature

–40 to 105

°C

Operating temperature

–40 to 85

°C

Lead temperature, 40 Sec Max

260

°C

(1)

Thermal resistance is junction-to-ambient assuming thermal pad with nine thermal vias under package metal base. See the

recommended PCB layout.

The characteristics listed in the following tables are at V

DC CHARACTERISTICS

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DC supply voltage

4.8

5.2

V

180

Supply current

mA

130

Input signal 500 mVpp, V

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Input center frequency

See Figure 3

26

MHz

Output frequency range

270

400

MHz

Input signal level

Peak-to-peak differential

500

1000

mV

Input IF1 differential impedance

See Application Note TDB

2

kW

Measured at IF2 (IF2OP,IF2ON) With 500-mVpp

Output power (maximum gain)

differential input to IF1(BBIP,BBIN) and

0

dBm

GAIN[4:0] = 11111

Measured at IF2 (IF2OP,IF2ON) With 500-mVpp

Output power (minimum gain)

differential input to IF1(BBIP,BBIN),

–32

dBm

GAIN[4:0] = 00000

∆G

max

Gain flatness

300 MHz < IF2 < 330 MHz

±0.3

dB

∆P

STEP

Gain step size

0.7

1

1.3

dB

OP1dB

Output power a 1-dB gain compression

GAIN[4:0] = 11111

12

dBm

OIP3

Output third order intercept

For any gain setting

24

dBm

IR

Image rejection

IF1 = 15 to 45 MHz

–30

dBc

At GAIN[4:0] = 11111 decreases dB for dB as gain

LO1 leakage

–36

dBm

state is changed

At max gain (GAIN[4:0]=11111), no worse then

NF

Input noise figure

27

dB

1-dB degradation per 1 dB of attenuation

Output RF impedance

Differential

100

Ω

4