CDCE62005 datasheet(43/85 Pages) TI1

Part #	CDCE62005

Description	3:5 Clock Generator

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CDCE62005

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SCAS862F – NOVEMBER 2008 – REVISED JANUARY 2015

8.3.5.18.1

VCO Select

Table 25 illustrates how to control the dual voltage controlled oscillators.

Table 25. CDCE62005 VCO Select

VCO SELECT

VCO CHARACTERISTICS

SELVCO

BIT NAME

→

REGISTER.BIT

→

6.0

VCO RANGE

Fmin (MHz)

Fmax (MHz)

0

Low

1750

2046

1

High

2040

2356

8.3.5.18.2

Prescaler

Table 26 shows how to configure the prescaler.

Table 26. CDCE62005 Prescaler Settings

SETTINGS

SELPRESCB

SELPRESCA

DIVIDE RATIO

6.2

6.1

0

5

1

0

4

0

1

3

1

2

8.3.5.18.3

Charge Pump Current Settings

Table 27 provides the settings for the charge pump:

Table 27. CDCD62005 Charge Pump Settings

CHARGE PUMP SETTINGS

CHARGE PUMP

ICPSEL3

ICPSEL2

ICPSEL1

ICPSEL0

BIT NAME

→

CURRENT

REGISTER.BIT

→

6.19

6.18

6.17

6.16

0

50

μA

0

1

100

μA

0

1

0

150

μA

0

1

200

μA

0

1

0

300

μA

0

1

0

1

400

μA

0

1

0

600

μA

0

1

750

μA

1

0

1 mA

1

0

1

1.25 mA

1

0

1

0

1.5 mA

1

0

1

2 mA

1

0

2.5 mA

1

0

1

3 mA

1

0

3.5 mA

1

3.75 mA

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