ICS1522 Просмотр технического описания (PDF) - Integrated Circuit Systems
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ICS1522
Integrated Circuit Systems
ICS1522 Datasheet PDF : 13 Pages
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ICS1522
AC Characteristics
SYMBOL
Fvco
Fxtal
Cpar
FHSYNC
Txhi
Txlo
TJIT
Tlock
Idd
Iddo
TFINE
VFINE
A
A
A
A
A
A
A
A
A
TSKEW
FCLK
VCO
PFD
PARAMETER
MIN
VCO Frequency
14
Crystal Frequency
5
Crystal Oscillator Loading Capacitance
Horizontal Sync Rate
15
XTAL1 High Time (when driven externally)
8
XTAL1 Low Time (when driven externally)
8
Phase Jitter (see Note 1)
PLL Acquire Time (to within 1%)
VDD Supply Current
VDDO Supply Current
(excluding CLK+/- termination)
ANALOG INPUTS
Fine Phase Adjustment Range
0
Control Voltage for FINE
0
FINE Input Bias Current
Capacitance of FINE Input
Bandwidth of FINE Input (3dB)
0.5
DIGITAL INPUT
SELn, SDATA Setup Time
10
SELn, SDATA Hold Time
10
SCLK Pulse Width (Thi or Tlo)
20
SCLK Frequency
Phase-frequency detector enable time
Phase-frequency detector disable time
DIGITAL OUTPUTS
Time Skew between CLK+, CLK-
CLK+ and CLK- Clock Rate
GAINS
VCO Gain, VCO(0:2)
10
Phase Detector Gain, PFD (0:2)
.23
TYP
20
15
20
MAX
230
20
100
1
500
UNITS
MHz
MHz
pF
kHz
ns
ns
ns
ms
mA
mA
15
VDD/2
20
100
1.5
ns
VDC
nA
pf
kHz
ns
ns
ns
20
MHz
50
ns
50
ns
500
ps
230
MHz
90
MHz/V
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).
11
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