LMX2430SLEX datasheet(6/53 Pages) TI1

tên linh kiện	LMX2430SLEX

Giải thích chi tiết về linh kiện	Dual High-Frequency Synthesizer

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LMX2430, LMX2433, LMX2434

SNAS187D – FEBRUARY 2003 – REVISED JANUARY 2016

www.ti.com

Electrical Characteristics (continued)

VCC = EN = 2.5 V, −40°C ≤ TA ≤ +85°C, unless otherwise specified

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ICPoutRF

RF charge-pump output tri-state current

0.5 V

≤ VCPoutRF ≤ VCC – 0.5 V

(3)

–2.5

2.5

nA

TRI

RF charge-pump output sink current vs

ICPoutRF

charge-pump output source current

VCPoutRF = VCC / 2

(4)

3%

10%

%MIS

mismatch

RF charge-pump output current

ICPoutRF

magnitude variation vs charge-pump

0.5 V

≤ VCPoutRF ≤ VCC – 0.5 V

(4)

5%

15%

%VCPoutRF

output voltage

ICPoutRF

RF charge-pump output current

VCPoutRF = VCC / 2

(4)

2%

%TA

magnitude variation vs temperature

IF SYNTHESIZER PARAMETERS

LMX2430

IF_P Bit = 0 or 1

100

800

MHz

fFinIF

IF operating frequency

LMX2433

IF_P Bit = 0 or 1

250

1700

MHz

LMX2434

IF_P Bit = 0 or 1

500

2500

MHz

P = 8/9(1)

24

131,079

NIF

IF N divider range

P = 16/17(1)

48

262,143

RIF

IF R divider range

3

32,767

fCOMPIF

IF phase detector frequency

10

MHz

pFinIF

IF input sensitivity

2.25 V

≤ VCC ≤ 2.75 V

(2)

–15

0

dBm

VCPoutIF = VCC/2

–1

mA

IF_CPG Bit = 0(3)

ICPoutIF

IF charge-pump output source current

Source

VCPoutIF = VCC/2

–4

mA

IF_CPG Bit = 1(3)

VCPoutIF = VCC/2

1

mA

IF_CPG Bit = 0(3)

ICPoutIF

IF charge-pump output sink current

Sink

VCPoutIF = VCC/2

4

mA

IF_CPG Bit = 1(3)

ICPoutIF

IF charge-pump output tri-state current

0.5 V

≤ VCPoutIF ≤ VCC – 0.5 V

(3)

–2.5

2.5

nA

TRI

IF charge-pump output sink current vs

ICPoutIF

charge-pump output source current

VCPoutIF = VCC/2

(4)

3%

10%

%MIS

mismatch

ICPoutIF

IF charge-pump output current magnitude

0.5 V

≤ VCPoutIF ≤ VCC – 0.5 V

(4)

5%

15%

%VCPoutIF

variation vs charge-pump output voltage

ICPoutIF

IF charge-pump output current magnitude

VCPoutIF = VCC/2

(4)

2%

%TA

variation vs temperature

OSCILLATOR PARAMETERS

fOSCin

Oscillator operating frequency

1

256

MHz

vOSCin

Oscillator sensitivity

See (5)

0.5

VCC

VPP

VOSCin = VCC

100

µA

IOSCin

Oscillator input current

VOSCin = 0 V

–100

µA

DIGITAL INTERFACE (DATA, CLK, LE, EN, ENosc, Ftest/LD, FLoutRF, OSCout/ FLoutIF)

VIH

High-level input voltage

1.6

V

VIL

Low-level input voltage

0.4

V

IIH

High-level input current

VIH = VCC

1

μA

IIL

Low-level input current

VIL = 0 V

−1

μA

VOH

High-level output voltage

IOH = −500 μA

VCC − 0.4

V

VOL

Low-level output voltage

IOL = 500 μA

0.4

V

(4)

Refer to Charge Pump Current Specification Definitions for details on how these measurements are made.

(5)

Refer to LMX243x OSCin Sensitivity Test Set-Up.

6

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Product Folder Links: LMX2430 LMX2433 LMX2434

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