Data Sheet

ADF4350

Rev. B | Page 17 of 34

BS8

BS7

..........

..........

..........

..........

..........

..........

..........

..........

..........

..........

BS2

BS1

BAND SELECT CLOCK DIVIDER (R)

00

0

1

1

00

1

0

2

..

.

.

.

..

.

.

.

..

.

.

.

11

0

0

252

11

0

1

253

11

1

0

254

11

1

1

255

D3

RF OUT

0DISABLED

1

ENABLED

OUTPUT

POWER

DB31 DB30 DB29 DB28 DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2

DB1

DB0

0

0

0

0

0

0

0

0

D13

D12

D11

D10

BS8

BS7

BS6

BS5

BS4

BS3

BS2

BS1

D9

D8

D7

D6

D5

D4

D3

D2

D1

C3(1) C2(0) C1(0)

CONTROL

BITS

8-BIT BAND SELECT CLOCK DIVIDER VALUE

AUX

OUTPUT

POWER

DIVIDER

SELECT

RESERVED

D2

D1

OUTPUT POWER

00-4

01-1

10+2

11+5

D5

D4

AUX OUTPUT POWER

00-4

01-1

10+2

11+5

D6

AUX OUT

0DISABLED

1

ENABLED

D7

AUX OUTPUT

SELECT

0

FUNDAMENTAL

1

DIVIDED OUTPUT

D8

MUTE TILL

LOCK DETECT

0

MUTE DISABLED

1

MUTE ENABLED

D9

VCO

POWER-DOWN

0

VCO POWERED UP

1

VCO POWERED DOWN

D12

D11

RF DIVIDER SELECT

00

÷1

00

÷2

01

÷4

01

÷8

D10

0

1

0

1

10

÷16

0

D13

FEEDBACK

SELECT

0

FUNDAMENTAL

1

DIVIDED

DBB

Figure 28. Register 4 (R4)

LD PIN

MODE

DB31 DB30 DB29 DB28 DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3

DB2

DB1

DB0

0

0

0

0

0

0

0

0

D15

D14

0

1

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

C3(1) C2(0) C1(1)

CONTROL

BITS

RESERVED

RESERVED

D1 5

D1 4

LOCK DETECT PIN OPERATION

00

LOW

0

1

DIGITAL LOCK DETECT

10

LOW

11

HIGH

RESERVED

Figure 29. Register 5 (R5)