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參數(shù)資料
| 型號： | LMX2323 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | PLLatinum? 2.0 GHz Frequency Synthesizer for RF Personal Communications |
| 中文描述： | PLLatinum？ 2.0千兆赫頻率合成射頻個人通信 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 185K |
| 代理商： | LMX2323 |
Electrical Characteristics
(Continued)
V
CC
= 3.0V, V
P
= 3.0V; 40C
<
T
A
<
85C except as specified.
Symbol
Parameter
MICROWIRE TIMING
t
CS
Data to Clock Set Up Time
t
CH
Data to Clock Hold Time
t
CWH
Clock Pulse Width High
t
CWL
Clock Pulse Width Low
t
ES
Clock to Enable Set Up Time
t
EW
Enable Pulse Width
Conditions
Min
Typ
Max
Units
See Data Input Timing
See Data Input Timing
See Data Input Timing
See Data Input Timing
See Data Input Timing
See Data Input Timing
50
10
50
50
50
50
ns
ns
ns
ns
ns
ns
Note 3:
This I
CC
-PWDN represents CLK, DATA, LE and CE being tied to either higher than 0.8 V
CC
or lower than 0.2 V
CC
.
Note 4:
Phase noise is measured 1 kHz off from the carrier frequency. Comparison frequency is 200 kHz. OSC
IN
frequency is 13 MHz.
Note 5:
Except f
IN
and OSC
IN
.
Note 6:
Typical values are determined from measurements on the reference evaluation boards.A3 dB (3 sigma) degradation is estimated from statistical distribution
in manufacturing. Units will NOT be tested in production.
Charge Pump Current Specification Definitions
DS101362-4
I1 = CP sink current at VCP
o
= V
P
V
I2 = CP sink current at VCP
o
= V
P
/2
I3 = CP sink current at VCP
o
=
V
I4 = CP source current at VCP
o
= V
P
V
I5 = CP source current at VCP
o
= V
P
/2
I6 = CP source current at VCP
o
=
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. ICP
o
vs VCP
o
= 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. ICP
o-sink
vs ICP
o-source
= Charge Pump Output Current Sink vs Source Mismatch =
[|I2| |I5|] / [
1
2
*
{|I2| + |I5|}]
*
100%
3. ICP
o
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%
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2323 WAF | 制造商:Texas Instruments 功能描述: |
| LMX2323TMX | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| LMX2324 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ 2.0 GHz Frequency Synthesizer for RF Personal Communications |
| LMX2324A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LMX2324ASLBX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FREQUENCY SYNTHESIZER|BICMOS|LLCC|16PIN|PLASTIC |
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