LM2335LTM datasheet(6/22 Pages) NSC

Il numero della parte	LM2335LTM

Spiegazioni elettronici	PLLatinum??Low Power Dual Frequency Synthesizer for RF Personal Communications

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Electrical Characteristics (Continued)

V

CC = 5.0V, VP = 5.0V; TA = 25˚C, except as specified

Symbol

Parameter

Conditions

Value

Units

Min

Typ

Max

t

CS

Data to Clock Set Up Time

See Data Input Timing

50

ns

t

CH

Data to Clock Hold Time

See Data Input Timing

10

ns

t

CWH

Clock Pulse Width High

See Data Input Timing

50

ns

t

CWL

Clock Pulse Width Low

See Data Input Timing

50

ns

t

ES

Clock to Load Enable Set Up Time

See Data Input Timing

50

ns

t

EW

Load Enable Pulse Width

See Data Input Timing

50

ns

Note 3: See PROGRAMMABLE MODES for ICPo description.

Note 4: Clock, Data and LE does not include fIN1, fIN2 and OSCin.

Charge Pump Current Specification Definitions

DS012807-18

I1 = CP sink current at VDo = VP − ∆V

I2 = CP sink current at VDo = VP/2

I3 = CP sink current at VDo = ∆V

I4 = CP source current at VDo = VP − ∆V

I5 = CP source current at VDo = VP/2

I6 = CP source current at VDo = ∆V

V = Voltage offset from positive and negative rails. Dependent on VCO tuning range relative to VCC and ground. Typical values are between 0.5V and 1.0V.

1. IDo vs VDo = Charge Pump Output Current magnitude variation vs Voltage =

[1⁄2 * {|I1| − |I3|}]/[1⁄2 * {|I1| + |I3|}] * 100%

and

[1⁄2 * {|I4| − |I6|}]/[1⁄2 * {|I4| + |I6|}] * 100%

2. IDo-sink vs IDo-source = Charge Pump Output Current Sink vs Source Mismatch =

[|I2| − |I5|]/[1⁄2 * {|I2| + |I5|}] * 100%

3. IDo vs TA = Charge Pump Output Current magnitude variation vs Temperature =

[|I2 @ temp| − |I2 @ 25˚C|]/|I2 @ 25˚C| * 100%

and

[|I5 @ temp| − |I5 @ 25˚C|]/|I5 @ 25˚C| * 100%

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