LMX2335LSLB datasheet(6/22 Pages) NSC

6 / 22 page

Electrical Characteristics (Continued)

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

Symbol

Parameter

Conditions

Value

Units

Min

Typ

Max

Data to Clock Set Up Time

See Data Input Timing

Data to Clock Hold Time

See Data Input Timing

CWH

Clock Pulse Width High

See Data Input Timing

CWL

Clock Pulse Width Low

See Data Input Timing

Clock to Load Enable Set Up Time

See Data Input Timing

Load Enable Pulse Width

See Data Input Timing

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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