ADF4151 datasheet(9/28 Pages) AD

9 / 28 page

Data Sheet

ADF4151

Rev. B | Page 9 of 28

TYPICAL PERFORMANCE CHARACTERISTICS

–40

–35

–30

–25

–20

–15

–10

–5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

FREQUENCY (GHz)

–40°C

+25°C

+85°C

Figure 4. RF Input Sensitivity

6.0

–6.0

–5.5

–5.0

–4.5

–4.0

–3.5

–3.0

–2.5

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

5.0

4.5

4.0

VCP (V)

0.28mA

0.56mA

1.13mA

2.25mA

4.5mA

SOURCE

SINK

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

–100

–99

–98

–97

–96

–95

–94

–93

–92

–91

2.60

2.61

2.62

2.63

2.64

2.65

2.66

2.67

2.68

2.70

2.69

FREQUENCY (GHz)

LOW NOISE MODE

LOW SPUR MODE

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

–6.0

–5.5

–5.0

–4.5

–4.0

–3.5

–3.0

–2.5

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

5.0

4.5

4.0

VCP (V)

ICP = 0.28mA

ICP = 0.56mA

ICP = 1.13mA

ICP = 2.25mA

ICP = 4.5mA

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

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