4

SP8853A/B

ELECTRICAL CHARACTERISTICS

These characteristics are guaranteed over the following range of operating conditions unless otherwise stated:

Characteristic

Conditions

Supply current

Supply current in power down mode

Input sensitivity

Input overload

RF input division ratio

Comparison frequency

Reference oscillator input frequency

External reference input voltage

Reference division ratio

DATA input high

DATA input low

CLOCK input high

CLOCK input low

Data ENABLE high

Data ENABLE low

F1/F2 input high

F1/F2 input low

POWER DOWN input high

POWER DOWN input low

F1/F2 input current

POWER DOWN input current

RDP external resistance

LOCK DETECT output voltage when in lock

LOCKDETECT switching voltage high

LOCK DETECT switching voltage low

256

56

4

10

1

50

68

2·7

40

7·5

524287

262143

5

20

500

8191

1

5

5

330

1

2·3

33

4·5

0·9

Pin

8,9,18,23

8

10,11

10,11

10,11,4

4,5

20,21

20

20,5

15

14,15

14

14

15

15

16

16

13

13

6

6

13

6

24

27

25

25

Typ.

Max.

Min.

mA

mA

MHz

MHz

mVrms

µs

ns

V

V

V

V

V

V

V

V

V

V

µA

µA

k

Ω

V

V

V

V

Units

Value

See Fig. 4

See Fig. 4

With 416/17 selected

With 48/9 selected

See Fig. 5

See Fig. 5

F1 buffer selected

F2 buffer selected

V pin 13 = 5·0V

V pin 6 = 4·5V

I pin 27 = 1mA

V

V

V

may be required