2

Electrical Characteristics

Tamb= -40

o

C to +80

o

C, Vcc = 4.5 to 5.5 V, These characteristics are guaranteed by either production test or

design. They apply within the specified ambient temperature and supply voltage unless otherwise stated.

Figure 2 - Pin Connections

QP20

PORT P1

CHARGE PUMP 2

DRIVE 2

Vee 2

RF2 INPUT

RF2 INPUT

Vcc2

CRYSTAL

CRYSTAL CAP

Vee

PORT P0

CHARGE PUMP 1

DRIVE 1

Vee 1

RF1 INPUT

RF1 INPUT

Vcc1

ENABLE

DATA

CLOCK

Characteristic

Pin

Value

Units

Conditions

Min

Typ

Max

Supply voltage

7, 14

4.5

5.5

V

Supply current

18

22

mA

Synthesiser 1 (UP)

RF1 input voltage

15,16

40

300

mV

rms

80 -2200MHz

RF1 input impedance

15,16

See Figure 4

RF1 division ratio

240

32767

Reference division 1

See Table 1

ratio

Comparison frequency 1

4

MHz

Equivalent phase noise

-148

dBc/Hz

SSB, within loop bandwidth, all

at phase detector 1

comparison frequencies

Charge pump 1 output

19

See Table 3

current

Vpin 19=2V

Charge pump 1 output

19

±3

±10

nA

Vpin19 = 2V

leakage

Charge pump 1 drive

18

0.5

mA

Vpin 18 = 0.7V

output current