4

SP8858

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

ENABLE high

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

Current into RPD

Charge pump current

Charge pump current accuracy

Charge pump leakage

LOCK DETECT output voltage when in lock

LOCK DETECT output resistor

Pin

Typ.

Max.

Min.

Units

Value

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

25

25

25

27

27

27

400

240

56

4

50

1

50

50

95

35

2

0·9

50

110

45

50

524287

262143

5

40

600

8191

200

5

5

500

2

6

5

5

1

mA

mA

mVrms

mVrms

MHz

MHz

mVrms

ns

ns

V

V

V

V

V

V

V

V

V

V

µA

µA

µA

mA

%

µA

V

k

Ω

See Fig. 3

See Fig. 3

With 416/17 selected

With 48/9 selected

See note 1

See Fig. 4

See Fig. 4

F1 buffer selected

F2 buffer selected

V pin 13 = 5·0V

V pin 6 = 4·5V

500

µA34

Charge pump current = 2mA

I pin 27 < 3mA

may be required

NOTE 1. The reference frequency range when using a crystal oscillator is 4-20MHz.