參數(shù)資料
型號: SA8027
廠商: NXP Semiconductors N.V.
英文描述: 2.5 GHz low voltage, low power RF fractional-N/IF integer frequency synthesizer
中文描述: 2.5 GHz的低電壓,射頻fractional-N/IF整數(shù)頻率合成器的低功耗
文件頁數(shù): 3/22頁
文件大?。?/td> 231K
代理商: SA8027
Philips Semiconductors
Product data
SA8027
2.5 GHz low voltage, low power
RF fractional-N/IF integer frequency synthesizer
2001 Aug 21
3
V
DD
3
SR02357
CLOCK
DATA
STROBE
RF/MAINin+
RF/MAINin–
REFin+
REFin–
IF/AUXin
TEST
LOAD SIGNALS
ADDRESS DECODER
2–BIT SHIFT
REGISTER
22–BIT SHIFT
REGISTER
CONTROL
LATCH
LATCH
MAIN DIVIDER
SM
REFERENCE
DIVIDER
2 2 2 2
LATCH
AMP
AMP
15
16
6
5
19
18
17
12
2
LATCH
AUX DIVIDER
PHASE
DETECTOR
PHASE
DETECTOR
FRAC
COMP
PUMP
BIAS
PUMP
CURRENT
SETTING
13
V
DDCP
GND
4
SA
7, 10
GND
CP
R
SET
PHP
PHI
LOCK
PHA
14
8
9
1
11
PON
20
LOCK
SELECT
Figure 3.
Block Diagram (TSSOP20)
TSSOP20 PIN DESCRIPTION
SYMBOL
PIN
DESCRIPTION
LOCK
1
Lock detect output
TEST
2
Test (should be either grounded or
connected to V
DD
)
Digital supply
V
DD
GND
3
4
Digital ground
RFin+
5
RF input to main divider
RFin–
6
RF input to main divider
GND
CP
PHP
7
Charge pump ground
8
Main normal charge pump
PHI
9
Main integral charge pump
GND
CP
10
Charge pump ground
SYMBOL
PIN
DESCRIPTION
PHA
11
Auxiliary charge pump output
AUXin
12
Input to auxiliary divider
V
DDCP
R
SET
13
Charge pump supply voltage
14
External resistor from this pin to ground
sets the charge pump current
Reference input
REFin–
15
REFin+
16
Reference input
CLOCK
17
Programming bus clock input
DATA
18
Programming bus data input
STROBE
19
Programming bus enable input
PON
20
Power down control
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SA8027DH,518 功能描述:鎖相環(huán) - PLL DUAL FRACTIONAL N RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
SA8027DH-T 功能描述:鎖相環(huán) - PLL DUAL FRACTIONAL N SYNTHESIZER RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
SA8027W 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.5 GHz low voltage, low power RF fractional-N/IF integer frequency synthesizer