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參數(shù)資料
型號: EVAL-ADF4350EB1Z
廠商: Analog Devices Inc
文件頁數(shù): 23/32頁
文件大小: 0K
描述: EVALUATION BOARD 1 FOR ADF4350
設計資源: Broadband Low EVM Direct Conversion Transmitter Using LO Divide-by-2 Modulator (CN0144)
標準包裝: 1
主要目的: 計時,頻率合成器
嵌入式:
已用 IC / 零件: ADF4350
主要屬性: 帶 VCO 的單路分數(shù)-N 和整數(shù)-N PLL
次要屬性: USB 接口
已供物品: 板,纜線,CD
其它名稱: Q4437453
Q4841122
Q5095480
Q5242312
Q5416250
ADF4350
Rev. A | Page 3 of 32
SPECIFICATIONS
AVDD = DVDD = VVCO = SDVDD = VP = 3.3 V ± 10%; AGND = DGND = 0 V; TA = TMIN to TMAX, unless otherwise noted. Operating
temperature range is 40°C to +85°C.
Table 1.
B Version
Parameter
Min
Typ
Max
Unit
Conditions/Comments
REFIN CHARACTERISTICS
Input Frequency
10
250
MHz
For f < 10 MHz ensure slew rate > 21 V/μs
Input Sensitivity
0.7
AVDD
V p-p
Biased at AVDD/21
Input Capacitance
10
pF
Input Current
±60
μA
PHASE DETECTOR
Phase Detector Frequency2
32
MHz
CHARGE PUMP
With RSET = 5.1 kΩ
High Value
5
mA
Low Value
0.312
mA
RSET Range
2.7
10
Sink and Source Current Matching
2
%
0.5 V ≤ VCP ≤ 2.5 V
ICP vs. VCP
1.5
%
0.5 V ≤ VCP ≤ 2.5 V
ICP vs. Temperature
2
%
VCP = 2.0 V
LOGIC INPUTS
Input High Voltage, VINH
1.5
V
Input Low Voltage, VINL
0.6
V
Input Current, IINH/IINL
±1
μA
Input Capacitance, CIN
3.0
pF
LOGIC OUTPUTS
Output High Voltage, VOH
DVDD 0.4
V
CMOS output chosen
Output High Current, IOH
500
μA
Output Low Voltage, VOL
0.4
V
IOL = 500 μA
POWER SUPPLIES
AVDD
3.0
3.6
V
DVDD, VVCO, SDVDD, VP
AVDD
These voltages must equal AVDD
DIDD + AIDD4
21
27
mA
Output Dividers
6 to 24
mA
Each output divide-by-2 consumes 6 mA
70
80
mA
IRFOUT4
21
26
mA
RF output stage is programmable
Low Power Sleep Mode
7
1000
μA
RF OUTPUT CHARACTERISTICS
Maximum VCO Output Frequency
4400
MHz
Minimum VCO Output Frequency
2200
MHz
Fundamental VCO mode
Minimum VCO Output Frequency
Using Dividers
137.5
MHz
2200 MHz fundamental output and divide by 16 selected
VCO Sensitivity
33
MHz/V
Frequency Pushing (Open-Loop)
1
MHz/V
Frequency Pulling (Open-Loop)
90
kHz
Into 2.00 VSWR load
Harmonic Content (Second)
19
dBc
Fundamental VCO output
Harmonic Content (Third)
13
dBc
Fundamental VCO output
Harmonic Content (Second)
20
dBc
Divided VCO output
Harmonic Content (Third)
10
dBc
Divided VCO output
Minimum RF Output Power 5
4
dBm
Programmable in 3 dB steps
Maximum RF Output Power5
5
dBm
Output Power Variation
±1
dB
Minimum VCO Tuning Voltage
0.5
V
Maximum VCO Tuning Voltage
2.5
V
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