AD9522-2 datasheet(21/84 Pages) AD

No. de pieza	AD9522-2

Descripción Electrónicos	12 LVDS/24 CMOS Output Clock Generator with Integrated 2.2 GHz VCO

PDF	84 Pages

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Fabricante Electrónico	AD [Analog Devices]

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AD9522-2

Rev. 0 | Page 21 of 84

–208

–210

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–220

–222

–224

0.4

0.8

1.2

0.2

0.6

1.0

1.4

INPUT SLEW RATE (V/ns)

DIFFERENTIAL INPUT

SINGLE-ENDED INPUT

Figure 12. PLL Figure of Merit (FOM) vs. Slew Rate at REFIN/REFIN

1.9

1.8

1.7

1.6

1.5

1.4

1.3

1.2

2.0

2.4

2.3

2.2

2.1

FREQUENCY (GHz)

Figure 13. VCO Tuning Voltage vs. Frequency

–10

–20

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–50

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–80

–90

–110

–100

100

145

140

135

130

125

120

115

110

105

FREQUENCY (MHz)

Figure 14. PFD/CP Spurs; 122.88 MHz; PFD = 15.36 MHz;

LBW = 127 kHz; ICP = 3.0 mA; fVCO = 2212 MHz

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

122.38

122.58

122.78

122.98

123.18

123.38

FREQUENCY (MHz)

Figure 15. Output Spectrum, LVDS; 122.88 MHz; PFD = 15.36 MHz;

LBW = 127 kHz; ICP = 3.0 mA; fVCO = 2212 MHz

3.5

0.5

1.0

1.5

2.0

2.5

3.0

10k

100

RESISTIVE LOAD (Ω)

VS_DRV = 3.135V

VS_DRV = 2.35V

VS_DRV = 3.3V

VS_DRV = 2.5V

Figure 16. CMOS Output VOH (Static) vs. RLOAD (to Ground)

0.4

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

TIME (ns)

Figure 17. LVDS Output (Differential) @ 100 MHz,

Output Terminated 100 Ω Across Differential Pair

AD9522-2 Datasheet(PDF) 21 Page - Analog Devices

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