Parameter

Symbol

Value

Units

Min

Typ

Max

Power Supply Voltage

V

CC

-0.3

4.25

V

Voltage on any pin with GND = 0V

V

i

-0.3

V

V

Storage Temperature Range

T

s

-65

+150

˚C

Lead Temperature (Solder 4 sec.)

T

L

+260

˚C

Recommended Operating Conditions

Parameter

Symbol

Value

Units

Min

Typ

Max

Power Supply Voltage (Note 1)

V

CC

2.5

3.0

3.6

V

Operating Temperature

T

A

-40

25

+85

˚C

Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. "Recommended Operating Conditions" indicate conditions for

which the device is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical

Characteristics. The guaranteed specifications apply only for the test conditions listed. The voltage at all the power supply pins of VddRF1, VddRF2, VddRF3,

through all these power pins.

be done at ESD-free workstations.

≤ T

A

≤ +85˚C unless otherwise specified)

Symbol

Parameter

Conditions

Value

Units

Min

Typ

Max

Icc PARAMETERS

I

Power Supply Current,

RF Synthesizer

IF PLL OFF

RF PLL ON

Charge Pump TRI-STATE

3.3

mA

I

Power Supply Current,

IF Synthesizer

IF PLL ON

RF PLL OFF

Charge Pump TRI-STATE

1.7

mA

I

Power Supply Current,

Entire Synthesizer

IF PLL ON

RF PLL ON

Charge Pump TRI-STATE

5.0

mA

I

Power Down Current

CE = ENOSC = 0V

CLK, DATA, LE = 0V

110

µA

RF SYNTHESIZER PARAMETERS

f

FinRF

Operating

Frequency

(Note 3)

LMX2485

RF_P = 8

500

2000

MHz

RF_P = 16

500

3000

LMX2485E

RF_P = 8

50

2000

RF_P = 16

50

3000

p

FinRF

Input Sensitivity

500 - 3000 MHz

-15

0

dBm

50 - 500 MHz (LMX2485E only)

-5

f

COMP

Phase Detector

Frequency

(Note 4)

50

MHz

I

RF Charge Pump

Source Current

(Note 5)

RF_CPG = 0

V

95

µA

RF_CPG = 1

V

190

µA

...

...

µA

RF_CPG = 15

V

1520

µA

www.national.com

3