參數(shù)資料
型號(hào): LMX2336TM
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: XO, clock
英文描述: PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications
中文描述: PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁(yè)數(shù): 6/22頁(yè)
文件大?。?/td> 542K
代理商: LMX2336TM
Electrical Characteristics
(Continued)
V
CC
= 5.0V, V
P
= 5.0V; T
A
= 25C, except as specified
Symbol
Parameter
Conditions
Value
Typ
Units
Min
50
10
50
50
50
50
Max
t
CS
t
CH
t
CWH
t
CWL
t
ES
t
EW
Data to Clock Set Up Time
Data to Clock Hold Time
Clock Pulse Width High
Clock Pulse Width Low
Clock to Load Enable Set Up Time
Load Enable Pulse Width
See Data Input Timing
See Data Input Timing
See Data Input Timing
See Data Input Timing
See Data Input Timing
See Data Input Timing
ns
ns
ns
ns
ns
ns
Note 3:
See PROGRAMMABLE MODES for I
CPo
description.
Note 4:
Clock, Data and LE does not include f
IN
1, f
IN
2 and OSC
in
.
Charge Pump Current Specification Definitions
DS012807-18
I1 = CP sink current at V
Do
= V
P
V
I2 = CP sink current at V
Do
= V
P
/2
I3 = CP sink current at V
Do
=
V
I4 = CP source current at V
Do
= V
P
V
I5 = CP source current at V
Do
= V
P
/2
I6 = CP source current at V
=
V
V = Voltage offset from positive and negative rails. Dependent on VCO tuning range relative to V
CC
and ground. Typical values are between 0.5V and 1.0V.
1. I
Do
vs V
Do
=
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. I
Do-sink
vs I
Do-source
=
Charge Pump Output Current Sink vs Source Mismatch =
[|I2| |I5|]/[
1
2
*
{|I2| + |I5|}]
*
100%
3. I
Do
vs T
A
=
Charge Pump Output Current magnitude variation vs Temperature =
[|I2
@
temp| |I2
@
25C|]/|I2
@
25C|
*
100%
and
[|I5
@
temp| |I5
@
25C|]/|I5
@
25C|
*
100%
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