JP < 3200 Hz — 0.05 0.1 dB Wander/Jitter at 3200 H" />
參數(shù)資料
型號: SI5321-G-BC
廠商: Silicon Laboratories Inc
文件頁數(shù): 4/34頁
文件大小: 0K
描述: IC PREC CLOCK MULTIPLIER 63CBGA
標(biāo)準(zhǔn)包裝: 260
系列: DSPLL®
類型: 時鐘乘法器
PLL:
輸入: LVTTL
輸出: CML
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 2.8GHz
除法器/乘法器: 是/是
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -20°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 63-CBGA
供應(yīng)商設(shè)備封裝: 63-CBGA(9x9)
包裝: 托盤
其它名稱: 336-1274
Si5321
12
Rev. 2.5
Wander/Jitter Transfer Peaking
JP
< 3200 Hz
0.05
0.1
dB
Wander/Jitter at 3200 Hz Bandwidth
(BWSEL[1:0] = 00 and BWBOOST= 0; FXDDELAY = 1)
Jitter Tolerance (see Figure 7)
JTOL(PP)
f= 32 Hz
1000
—ns
f= 320Hz
100
—ns
f = 3200 Hz
10
—ns
CLKOUT RMS Jitter Generation
FEC[2:0] = 000
JGEN(RMS)
12 kHz to 20 MHz
0.9
1.1
ps
50 kHz to 80 MHz
0.3
0.4
ps
CLKOUT RMS Jitter Generation
FEC[2:0] = 001, 010, 100,101, 110, 111
JGEN(RMS)
12 kHz to 20 MHz
0.85
1.1
ps
50 kHz to 80 MHz
0.3
0.49
ps
CLKOUT Peak-Peak Jitter Generation
FEC[2:0] = 000
JGEN(PP)
12 kHz to 20 MHz
7.1
10.0
ps
50 kHz to 80 MHz
3.2
5.0
ps
CLKOUT Peak-Peak Jitter Generation
FEC[2:0] = 001, 010, 100,101, 110, 111
JGEN(PP)
12 kHz to 20 MHz
6.6
11.0
ps
50 kHz to 80 MHz
3.2
5.5
ps
Jitter Transfer Bandwidth (see Figure 6)
FBW
BW = 3200 Hz
3200
—Hz
Wander/Jitter Transfer Peaking
JP
< 3200 Hz
0.05
0.1
dB
Wander/Jitter at 6400 Hz Bandwidth
(BWSEL[1:0] = 00 and BWBOOST = 1; FXDDELAY = 1)
Jitter Tolerance (see Figure 7)
f = 64 Hz
500
ns
f= 640Hz
50
ns
f = 6400 Hz
5
ns
CLKOUT RMS Jitter Generation
FEC[2:0] = 000
JGEN(RMS)
12 kHz to 20 MHz
0.75
0.95
ps
50 kHz to 80 MHz
0.27
0.35
ps
CLKOUT Peak-Peak Jitter Generation
FEC[2:0] = 000
JGEN(PP)
12 kHz to 20 MHz
6.1
10.0
ps
50 kHz to 80 MHz
3.1
5.0
ps
Jitter Transfer Bandwidth (see Figure 6)
FBW
BW = 6400 Hz
6400
Hz
Wander/Jitter Transfer Peaking
JP
< 6400 Hz
0.05
0.1
dB
Table 4. AC Characteristics (PLL Performance Characteristics) (Continued)
(VDD33 =3.3 V ±5%, TA =–20 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max Unit
Notes:
1. Higher PLL bandwidth settings provide smaller clock output wander with temperature gradient.
2. For reliable device operation, temperature gradients should be limited to 10 °C/min.
3. Telcordia GR-1244-CORE requirements specify maximum phase transient slope during clock rearrangement in terms
of nanoseconds per millisecond. The equivalent ps/
μs unit is used here since the maximum phase transient magnitude
for the Si5321 (tPT_MTIE) never reaches one nanosecond.
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