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參數資料
| 型號： | ADF4251BCP-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | XO, clock |
| 英文描述： | Dual Fractional-N/Integer-N Frequency Synthesizer |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 3000 MHz, QCC24 |
| 封裝： | 4 X 4 MM, MO-200-VGGD2, LFCSP-24 |
| 文件頁數： | 2/28頁 |
| 文件大小： | 387K |
| 代理商： | ADF4251BCP-REEL7 |
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REV. 0
–2–
ADF4251–SPECIFICATIONS
1
(V
DD
1 = V
2 = V
3 = DV
= 3 V
10%, V
P
1 = V
P
2 = 5 V 10%, GND = 0 V,
, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
R
SET
= 2.7 k , dBm referred to 50
Parameter
B Version
Unit
Test Conditions/Comments
RF CHARACTERISTICS
RF Input Frequency (RF
IN
A, RF
IN
B)
2
RF Input Sensitivity
RF Input Frequency (RF
IN
A, RF
IN
B)
2
RF Phase Detector Frequency
Allowable Prescaler Output Frequency
0.25/3.0
–
10/0
0.1/3.0
30
375
GHz min/max
dBm min/max
GHz min/max
MHz max
MHz max
Input Level =
–
8/0 dBm min/max
Guaranteed by Design
IF CHARACTERISTICS
IF Input Frequency (IF
IN
A, IF
IN
B)
2
IF Input Sensitivity
IF Phase Detector Frequency
Allowable Prescaler Output Frequency
50/1200
–
10/0
55
150
MHz min/max
dBm min/max
MHz max
MHz max
Guaranteed by Design
REFERENCE CHARACTERISTICS
REF
IN
Input Frequency
250
MHz max
For f < 10 MHz, use dc-coupled square
wave (0 to V
DD
).
AC-coupled. When dc-coupled, use
0 to V
DD
max (CMOS compatible).
REF
IN
Input Sensitivity
0.5/V
DD
1
V p-p min/max
REF
IN
Input Current
REF
IN
Input Capacitance
CHARGE PUMP
RF I
CP
Sink/Source
±100
10
μA max
pF max
High Value
Low Value
High Value
Low Value
4.375
625
5
625
1
2
2
2
2
mA typ
μA typ
mA typ
μA typ
nA typ
% typ
% typ
% typ
% typ
See Table V
IF I
CP
Sink/Source
See Table IX
I
CP
Three-State Leakage Current
RF Sink and Source Current Matching
IF Sink and Source Current Matching
I
CP
vs. V
CP
I
CP
vs. Temperature
LOGIC INPUTS
V
INH
, Input High Voltage
V
INL
, Input Low Voltage
I
INH
/I
INL
, Input Current
C
IN
Input Capacitance
LOGIC OUTPUTS
V
OH
, Output High Voltage
V
OL
, Output Low Voltage
POWER SUPPLIES
V
DD
1
,
V
DD
2, V
DD
3
DV
DD
V
1, V
P
2
I
P
0.5 V < V
CP
< V
P
–
0.5
0.5 V < V
CP
< V
P
–
0.5
V
CP
= V
P
/2
1.35
0.6
±1
10
V min
V max
μA max
pF max
V
DD
–
0.4
0.4
V min
V max
I
OH
= 0.2 mA
I
OL
= 0.2 mA
2.7/3.3
V
DD
1
V
DD
1/5.5
13
10
4
10
V min/V max
V min/V max
mA typ
mA typ
mA typ
pA typ
RF + IF
RF Only
IF Only
16 mA max
13 mA max
5.5 mA max
Low Power Sleep Mode/Power-Down
RF NOISE AND SPURIOUS CHARACTERISTICS
Noise Floor
In-Band Phase Noise Performance
4
Lowest Spur Mode
Low Noise and Spur Mode
Lowest Noise Mode
Spurious Signals
–
141
dBc/Hz typ
@ 20 MHz PFD Frequency
@ VCO Output
RF
OUT
= 1.8 GHz, PFD = 20 MHz
RF
OUT
= 1.8 GHz, PFD = 20 MHz
RF
OUT
= 1.8 GHz, PFD = 20 MHz
See Typical Performance Characteristics
–
90
–
95
–
103
dBc/Hz typ
dBc/Hz typ
dBc/Hz typ
NOTES
1
Operating Temperature Range (B Version):
–
40
°
C to +85
°
C.
2
Use a square wave for frequencies less than F
.
3
RF = 1 GHz, RF PFD = 10 MHz, MOD = 4095, IF = 500 MHz, IF PFD = 200 kHz, REF = 10 MHz, V
= 3 V, V
= 5 V, and V
= 3 V.
4
The in-band phase noise is measured with the EVAL-ADF4251EB2 Evaluation Board and the HP5500E Phase Noise Test System. The spectrum analyzer provides the
REF
IN
for the synthesizer (f
REFOUT
= 10 MHz @ 0 dBm). F
OUT
= 1.74 GHz, F
REF
= 20 MHz, N = 87, MOD = 100, Channel Spacing = 200 kHz, V
DD
= 3.3 V, and V
P
= 5 V.
Specifications subject to change without notice.
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|---|---|
| ADF4252BCP | Dual Fractional-N/Integer-N Frequency Synthesizer |
| ADF4252BCP-REEL | Dual Fractional-N/Integer-N Frequency Synthesizer |
| ADF4252BCP-REEL7 | Dual Fractional-N/Integer-N Frequency Synthesizer |
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相關代理商/技術參數 |
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|---|---|
| ADF4252 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Fractional-N/Integer-N Frequency Synthesizer |
| ADF4252BCP | 制造商:Analog Devices 功能描述:PLL Frequency Synthesizer Dual 24-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:1000-2500MHZ FRAC-N PLL - Bulk 制造商:Analog Devices 功能描述:IC SYNTHESIZER PLL |
| ADF4252BCP-REEL | 制造商:Analog Devices 功能描述:PLL Frequency Synthesizer Dual 24-Pin LFCSP EP T/R |
| ADF4252BCP-REEL7 | 制造商:Analog Devices 功能描述:PLL Frequency Synthesizer Dual 24-Pin LFCSP EP T/R |
| ADF4252BCPZ | 功能描述:IC PLL FREQ SYNTHESIZER 24-LFCSP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發生器，PLL，頻率合成器 系列:- 標準包裝:2,000 系列:- 類型:PLL 頻率合成器 PLL:是 輸入:晶體 輸出:時鐘 電路數:1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無/無 頻率 - 最大:1GHz 除法器/乘法器:是/無 電源電壓:4.5 V ~ 5.5 V 工作溫度:-20°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-LSSOP（0.175"，4.40mm 寬） 供應商設備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:NJW1504V-TE1-NDNJW1504V-TE1TR |
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