EVAL-ADF4151EB1Z Просмотр технического описания (PDF) - Analog Devices
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EVAL-ADF4151EB1Z Datasheet PDF : 28 Pages
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Data Sheet
ADF4151
TYPICAL PERFORMANCE CHARACTERISTICS
0
+85°C
+25°C
–5
–40°C
–10
–15
–20
–25
–30
–35
–40
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
FREQUENCY (GHz)
Figure 4. RF Input Sensitivity
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
–5.5
–6.0
0
4.5mA
0.28mA
0.28mA
2.25mA
1.13mA
0.56mA
0.56mA
1.13mA
2.25mA
4.5mA
SOURCE
SINK
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VCP (V)
Figure 5. Charge Pump Output Characteristics, VP = 5 V, Selected ICP Values
Between 0.28 mA (Min) and 4.5 mA (Max), RSET = 5.1 kΩ
–90
LOW SPUR MODE
–91
–92
–93
–94
–95
–96
LOW NOISE MODE
–97
–98
–99
–100
2.60 2.61 2.62 2.63 2.64 2.65 2.66 2.67 2.68 2.69 2.70
FREQUENCY (GHz)
Figure 6. In-Band Phase Noise Measured at 10 kHz Offset
for Low Noise Mode and Low Spur Mode,
PFD = 25 MHz, PLL Loop Bandwidth = 50 kHz
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
–5.5
–6.0
0
ICP = 0.28mA
ICP = 0.56mA
ICP = 1.13mA
ICP = 2.25mA
ICP = 4.5mA
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VCP (V)
Figure 7. Charge Pump Output Mismatch vs. VCP , Selected ICP Values Between
0.28 mA (Min) and 4.5 mA (Max), RSET = 5.1 kΩ
Rev. B | Page 9 of 28
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