11

ICS1522

AC Characteristics

SYMBOL

PARAMETER

MIN

TYP

MAX

UNITS

Fvco

VCO Frequency

14

230

MHz

Fxtal

Crystal Frequency

5

20

MHz

Cpar

Crystal Oscillator Loading Capacitance

20

pF

FHSYNC

Horizontal Sync Rate

15

100

kHz

Txhi

XTAL1 High Time (when driven externally)

8

ns

Txlo

XTAL1 Low Time (when driven externally)

8

ns

TJIT

Phase Jitter (see Note 1)

1

ns

Tlock

PLL Acquire Time (to within 1%)

500

ms

Idd

VDD Supply Current

15

mA

Iddo

VDDO Supply Current

(excluding CLK+/- termination)

20

mA

ANALOG INPUTS

TFINE

Fine Phase Adjustment Range

0

15

ns

VFINE

Control Voltage for FINE

0

VDD/2

VDC

A

FINE Input Bias Current

20

nA

A

Capacitance of FINE Input

100

pf

A

Bandwidth of FINE Input (3dB)

0.5

1.5

kHz

DIGITAL INPUT

A

SELn, SDATA Setup Time

10

ns

A

SELn, SDATA Hold Time

10

ns

A

SCLK Pulse Width (Thi or Tlo)

20

ns

A

SCLK Frequency

20

MHz

A

Phase-frequency detector enable time

50

ns

A

Phase-frequency detector disable time

50

ns

DIGITAL OUTPUTS

TSKEW

Time Skew between CLK+, CLK-

500

ps

FCLK

CLK+ and CLK- Clock Rate

230

MHz

GAINS

VCO

VCO Gain, VCO(0:2)

10

90

MHz/V

PFD

Phase Detector Gain, PFD (0:2)

.23

120

mA/2prad

Note 1: TJIT is the total uncertainty of the phase measured at the start of a video line on a 350 MHz oscilloscope under

these conditions: HSYNC pin driven with crystal oscillator at 48.363 kHz; FVCO = 65.000 MHz; M =0 (divide

by 1 on the output; and N = 1343 (1344 clocks per line).