參數(shù)資料
型號(hào): TLC2933IPWRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: PLL合成/DDS/VCOs
英文描述: PHASE LOCKED LOOP, 30 MHz, PDSO14
封裝: PLASTIC, SO-14
文件頁數(shù): 23/23頁
文件大?。?/td> 513K
代理商: TLC2933IPWRG4
TLC2933
HIGHPERFORMANCE PHASELOCKED LOOP
SLAS136B APRIL 1996 REVISED JANUARY 2002
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
tr
tf
90%
10%
90%
10%
VCO OUT
Figure 3. VCO Output Voltage Waveform
50%
90%
10%
50%
tPHZ
tr
tf
tPLZ
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
FIN A
FIN B
PFD INHIBIT
PFD OUT
(a) PFD OUT Hi-Z Timing To and From a High Level
(see Figure 5 and Table 3)
(b) PFD OUT Hi-Z Timing To and From a Low Level
(see Figure 5 and Table 3)
FINA and FINB are for reference phase only, not for timing.
90%
tPZL
tPZH
Hi-Z
VOH
50%
VOL
50%
Hi-Z
Figure 4. PFD Output Voltage Waveform
Table 3. PFD Output Test Conditions
PARAMETER
RL
CL
S1
S2
tPZH
tPHZ
Open
Closed
tr
1 k
15 pF
Open
Closed
tPZL
1 k
15 pF
tPLZ
Closed
Open
tf
Closed
Open
S1
S2
RL
CL
Test Point
PFD OUT
DUT
VDD
Figure 5. PFD Output Test Conditions
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