参数资料
型号: SI5317B-C-GMR
厂商: SILICON LABORATORIES
元件分类: 时钟产生/分配
英文描述: 350 MHz, OTHER CLOCK GENERATOR, QCC36
封装: 6 X 6 MM, ROHS COMPLIANT, MO-220VJJD, QFN-36
文件页数: 4/46页
文件大小: 407K
代理商: SI5317B-C-GMR
Si5317
12
Rev. 1.1
LVCMOS Output Pins
Rise/Fall Times
tRF
CLOAD = 20 pf
—25
ns
LOSn Trigger Window
LOSTRIG
From last CKIN
to LOS
—750
s
Time to Clear LOL after LOS Cleared
tCLRLOL
fin unchanged and XA/XB
stable.
LOS to LOL
—10
ms
PLL Performance
Lock Time
tLOCKHW
Whenever RST, FRQTBL,
RATE, BWSEL, or FRQSEL
are changed, with valid CKIN
to
LOL; BW = 100 Hz
1.2
sec
Closed Loop Jitter Peaking
JPK
0.05
0.1
dB
Jitter Tolerance
JTOL
BW determined by
BWSEL[1:0]
5000/
BW
ns pk-
pk
Minimum Reset Pulse Width
tRSTMIN
1—
s
Spurious Noise
SPSPUR
Max spur @ n x f3
(n > 1, n x f3 < 100 MHz)
–93
–70
dBc
Phase Change due to Temperature
Variation
tTEMP
Max phase changes from
–40 to +85 C
300
500
ps
Table 5. Performance Specifications1, 2, 3, 4, 5
(VDD = 1.8 ±5%, 2.5 ±10%, or 3.3 V ±10%, TA = –40 to 85 C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Jitter Generation
fIN =fOUT =622.08MHz,
LVPECL output format
BW = 120 Hz
JGEN
50 kHz–80 MHz
0.32
0.42
ps rms
12 kHz–20 MHz
0.31
0.41
ps rms
800 Hz–80 MHz
0.4
0.45
ps rms
Phase Noise
fIN =fOUT = 622.08 MHz
LVPECL output format
CKOPN
1 kHz offset
–106
–87
dBc/Hz
10 kHz offset
–121
–100
dBc/Hz
100 kHz offset
–132
–104
dBc/Hz
1 MHz offset
–132
–119
dBc/Hz
Notes:
1. BWSEL [1:0] loop bandwidth settings provided in Table 9 on page 22.
2. 114.285 MHz 3rd OT crystal used as XA/XB input.
3. VDD =2.5 V
4. TA =85°C
5. Test condition: fIN =622.08MHz, fOUT = 622.08 MHz, LVPECL clock input: 1.19 Vppd with 0.5 ns rise/fall time
(20-80%), LVPECL clock output.
Table 4. AC Characteristics (Continued)
(VDD = 1.8 ±5%, 2.5 ±10%, or 3.3 V ±10%, TA = –40 to 85 C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Units
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