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參數(shù)資料
| 型號(hào)： | SA8027DH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | XO, clock |
| 英文描述： | 2.5 GHz low voltage, low power RF fractional-N/IF integer frequency synthesizer |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO20 |
| 封裝： | PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 14/22頁 |
| 文件大小： | 231K |
| 代理商： | SA8027DH |
Philips Semiconductors
Product data
SA8027
2.5 GHz low voltage, low power
RF fractional-N/IF integer frequency synthesizer
2001 Aug 21
14
Data format
Table 2. Format of programmed data
Last In
p23
MSB
p21
Serial Programming Format
../..
First In LSB
p0
p22
p20
../..
p1
Table 3. A word, length 24 bits
Last In
Address
fmod
MSB
Main Divider ratio
LSB
First In
Spare
Fractional-N
0
Default
A word address
Fractional Modulus select
Fractional-N Increment
N-Divider
Spare
0
fmod
NF2
NF1
NF0
N15
N14
N13
N12
N11
N10
N9
N8
N7
N6
N5
N4
N3
N2
N1
N0
SK1
SK2
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
1
0
0
0
0
0
0
Fixed to 00.
fmod = 0 is modulo 8; fmod = 1 is modulo 5.
Fractional-N Increment values 000 to 111 (0 to 7). NF is a 3-bit word.
N0..N15, Main divider values 512 to 65535 allowed for divider ratio.
SK1, SK2 must be set to 0.
Table 4. B word, length 24 bits
Address
Reference Divider
Lock
PD
FDAC (Fractional Compensation DAC)
0
Default
B word address
REF-Divider
Lock detect output
1
R9
R8
R7
R6
R5
R4
R3
R2
R1
R0
L1
L0
Main
Aux
FC7
FC6
FC5
FC4
FC3
FC2
FC1
FC0
0
0
0
1
0
1
0
0
0
1
0
0
1
1
0
1
0
1
0
0
0
0
Fixed to 01
R0..R9, Reference divider values 4 to 1023 allowed for divider ratio. R <9:0>.
L1 L0
0 0
Combined main, aux. lock detect signal present at the LOCK pin (push/pull).
0 1
Combined main, aux, lock detect signal present at the LOCK pin (open drain).
1 0
Main lock detect signal present at the LOCK pin (push/pull).
1 1
Auxiliary loop lock detect signal present at the LOCK pin (push/pull).
When auxiliary loop and main loop are in power down mode, the lock indicator is low.
PON pin is tied to GND
Main = 1: power-on to Main PLL. Main = 0: power-down to Main PLL.
Aux = 1: power-on to Aux PLL. Aux = 0: power-down to Aux PLL.
PON pin is tied to V
DD
Main = 0: power-on to Main PLL. Main = 1: power-down to Main PLL.
Aux = 0: power-on to Aux PLL. Aux = 1: power-down to Aux PLL.
FC7..0 Fractional Compensation charge pump current DAC, values 0 to 255.
Power down (PD)
Fractional Compensation
Table 5. C word, length 24 bits
Address
Auxiliary Divider
CP
SM
SA
1
Default
C word address
A-Divider
Charge pump current Ratio
Main comparison select
Aux comparison select
0
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
CP1
CP0
SM2
SM1
SM0
SA2
SA1
SA0
0
0
0
0
0
1
1
1
0
0
1
0
1
0
1
1
0
0
0
0
0
0
Fixed to 10
A0..A13, Auxiliary divider values 128 to 16383 allowed for divider ratio.
CP1, CP0: Charge pump current ratio, see Table 1.
SM
comparison divider select for main phase detector.
SA
Comparison divider select for auxiliary phase detector.
Table 6. D word, length 24 bits
Address
Synthesizer Test Bits
1
1
0
–
–
–
–
T
dis-spu
0
Tspu
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Default
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D word address
T
dis-spu
= 1
T
spu
= 1
Fixed to 110.
Speed-up mode disabled.
Speed-up mode always on.
NOTE
: All other test bits must be set to 0 for normal operation.
NOTE
: All other test bits must be set to 0 for normal operation.
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| SA8027DH,512 | 功能描述:射頻無線雜項(xiàng) DUAL FRACTIONAL N RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel |
| 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 |
| SA8028 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.5 GHz sigma delta fractional-N / 760 MHz IF integer frequency synthesizers |
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