參數(shù)資料
型號(hào): LMX2330ATMX
英文描述: Serial-Input Frequency Synthesizer
中文描述: 串行輸入頻率合成器
文件頁數(shù): 5/19頁
文件大小: 362K
代理商: LMX2330ATMX
Charge Pump Current Specification Definitions
I1
= CP sink current at V
CPo
= V
p
V
I2
= CP sink current at V
CPo
= V
p
/2
I3
= CP sink current at V
CPo
=
V
I4
= CP source current at V
CPo
= V
p
V
I5
= CP source current at V
CPo
= V
p
/2
I6
= CP source current at V
CPo
=
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
ICP
o
vs V
CPo
= 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%
ICP
o-sink
vs ICP
o–source
= Charge Pump Output Current Sink vs Source Mismatch =
[|I2| |I5|]/[
1
2
*
{|I2| + |I5|}]
*
100%
ICP
o
vs T = Charge Pump Output Current magnitude variation vs Temperature =
[|I2
@
temp| |I2
@
25C|]/|I2
@
25C|
*
100% and [|I5
@
temp| |I5
@
25C|]/|I5
@
25C|
*
100%
1.
2.
3.
DS100127-3
L
www.national.com
5
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