- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄382723 > UMA1020M (NXP SEMICONDUCTORS) Low-voltage dual frequency synthesizer for radio telephones PDF資料下載
參數(shù)資料
| 型號(hào)： | UMA1020M |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | XO, clock |
| 英文描述： | Low-voltage dual frequency synthesizer for radio telephones |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 2400 MHz, PDSO20 |
| 文件頁(yè)數(shù)： | 7/20頁(yè) |
| 文件大?。?/td> | 159K |
| 代理商： | UMA1020M |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)當(dāng)前第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)
1995 Jul 06
7
Philips Semiconductors
Product specification
Low-voltage dual frequency
synthesizer for radio telephones
UMA1020AM
Table 4
Fast and normal charge pumps current ratio (note 1)
Note
1.
I
SET
=
; common bias current for charge pumps.
Table 5
Power-down modes
CR1
CR0
I
CPA
4
×
I
SET
4
×
I
SET
4
×
I
SET
4
×
I
SET
I
CPP
4
×
I
SET
4
×
I
SET
2
×
I
SET
2
×
I
SET
I
CPPF
16
×
I
SET
32
×
I
SET
24
×
I
SET
32
×
I
SET
I
CPPF
: I
CPP
4 : 1
8 : 1
12 : 1
16 : 1
0
0
1
1
0
1
0
1
AOFF
POFF
FAST
PRINCIPAL
DIVIDERS
AUXILIARY
DIVIDERS
PUMP
CPA
PUMP
CPP
PUMP
CPPF
1
1
1
0
0
0
1
0
0
1
0
0
X
0
1
X
0
1
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
ON
ON
ON
OFF
ON
ON
OFF
ON
ON
OFF
OFF
ON
OFF
OFF
ON
V
ext
R
Power-down modes
The action of the control inputs on the state of internal
blocks is defined by Table 5.
Note that in Table 5, POFF and AOFF can be either the
software or hardware power-down signals. The dividers
are ON when both hardware and software power-down
signals are at logic 0.
When either synthesizer is reactivated after power-down
the main and reference dividers of that synthesizer are
synchronized to avoid the possibility of random phase
errors on power-up.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UMA1021M | Low-voltage frequency synthesizer for radio telephones |
| UMA1021 | Low-voltage frequency synthesizer for radio telephones |
| UMA1021AM | Low-voltage frequency synthesizer for radio telephones |
| UMA1022M | Low cost dual frequency synthesizer for radio telephones |
| UPA1817GR-9JG | P-CHANNEL MOS FIELD EFFECT TRANSISTOR FOR SWITCHING |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UMA1021 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage frequency synthesizer for radio telephones |
| UMA1021AM | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage frequency synthesizer for radio telephones |
| UMA1021M | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-voltage frequency synthesizer for radio telephones |
| UMA1021M/C2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC-SM-FREQ SYNTHESIZER |
| UMA1022M | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low cost dual frequency synthesizer for radio telephones |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。