3

LTC4403-1/LTC4403-2

4403f

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

PCTL Input Filter

270

kHz

Autozero Range

Maximum DAC Zero-Scale Offset Voltage

q

400

mV

that can be applied to PCTL

RF Input Frequency Range

(Note 6)

q

300

2400

MHz

RF Input Power Range

F = 900MHz (Note 6)

–27 to 18

dBm

F = 1800MHz (Note 6)

–25 to 18

dBm

F = 2400MHz (Note 6)

–23 to 16

dBm

RF Input Resistance

q

150

250

350

Ω

ELECTRICAL C

C

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: Specifications are assured over the –40

°C to 85°C temperature

range by design characterization and correlation with statistical process

controls.

measured between 1V and 2V.

Note 4: Includes maximum DAC offset voltage and maximum control

voltage.

Note 5: This is the time from SHDN rising edge 50% switch point to

Note 6: Guaranteed by design. This parameter is not production tested.

Note 7: Bandwidth is calculated using the 10% to 90% rise time:

BW = 0.35/rise time

TYPICAL PERFOR A CE CHARACTERISTICS

Detector Characteristics at 900MHz

Detector Characteristics at 1800MHz

be bypassed with 0.1

µF and 100pF ceramic capacitors.

drives an external RF power amplifier power control pin.

The maximum load capacitance is 100pF. The output is

capable of rail-to-rail swings at low load currents. Selected

when BSEL is low.

(LTC4403-1/LTC4403-2)

PI FU CTIO S

Output. This pin drives an external RF power amplifier

power control pin. The maximum load capacitance is

100pF. The output is capable of rail-to-rail swings at low

load currents. Selected when BSEL is high.

GND (Pin 3/4): System Ground.

RF INPUT POWER (dBm)

10

100

1000

10000

–26

–14

–8

–2

4

10

1

–20

16

4403 G01

0.9GHz AT –30

°C

0.9GHz AT 75

°C

0.9GHz

AT 25

°C

RF INPUT POWER (dBm)

10

100

1000

10000

–26

–14

–8

–2

4

10

1

–20

16

4403 G02

1.8GHz AT –30

°C

1.8GHz AT 75

°C

1.8GHz

AT 25

°C

RF INPUT POWER (dBm)

10

100

1000

10000

–14

–8

–2

4

10

1

–20

16

4403 G03

2.4GHz AT –30

°C

2.4GHz AT 75

°C

2.4GHz AT 25

°C

Detector Characteristics at 2400MHz