STW81101ATR datasheet(10/48 Pages) STMICROELECTRONICS

10 / 48 page

Electrical specifications

STW81101

10/48

2.4

Electrical specifications

All the electrical specifications are intended at 3.3V supply voltage.

Table 5.

Electrical specifications

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

Output frequency range

FOUTA

Output frequency range with

VCOA

Direct output

3300

3900

MHz

Divider by 2

1650

1950

MHz

Divider by 4

825

975

MHz

FOUTB

Output frequency range with

VCOB

Direct output

3800

4400

MHz

Divider by 2

1900

2200

MHz

Divider by 4

950

1100

MHz

VCO dividers

VCO divider ratio

Prescaler 16/17

256

65551

Prescaler 19/20

361

77836

Reference clock and phase frequency detector

Fref

Reference input frequency

200

MHz

Reference input sensitivity(1)

0.35

1.5

Vpeak

Reference divider ratio

1023

FPFD

PFD input frequency

MHz

FSTEP

Frequency step(2)

Prescaler 16/17

FOUT/

65551

FOUT/

256

Prescaler 19/20

FOUT/

77836

FOUT/

361

Charge pump

ICP

ICP sink/source(3)

3bit programmable

VOCP

Output voltage compliance

range

0.4

Vdd-0.3

Spurious(4)

Direct output (FPFD = 200kHz)

-75

dBc

Divider by 2 (FPFD = 400kHz)

-84

dBc

Divider by 4 (FPFD = 800kHz)

-92

dBc

VCOs

KVCOA

VCOA sensitivity(5)

Lower frequency range

MHz/V

Intermediate frequency range

100

MHz/V

Higher frequency range

125

MHz/V

KVCOB

VCOB sensitivity(5)

Lower frequency range

MHz/V

Intermediate frequency range

100

MHz/V

Higher frequency range

120

MHz/V

VCO A pushing(5)

610

MHz/V

VCO B pushing(5)

MHz/V

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