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參數(shù)資料
| 型號： | TRF2056PWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO20 |
| 封裝： | PLASTIC, SOP-20 |
| 文件頁數(shù)： | 21/24頁 |
| 文件大?。?/td> | 327K |
| 代理商： | TRF2056PWR |
TRF2056
LOW VOLTAGE 1.2GHz FRACTIONALN/INTEGERN SYNTHESIZER
SLWS111– NOVEMBER 2000
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
ac electrical characteristics, VDD = VCCP = 2.9 V, VDDA = 3.9 V, TA = 25°C (unless otherwise noted)
(continued)
auxiliary divider
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fAUXIN
Auxiliary input frequency (ac-coupled)
PA = 1:
VI_AUXIN = 350 mVpp
50
MHz
ZAUXIN
Auxiliary input impedance
5
100
k
ZAUXIN
Auxiliary input impedance
3
pF
reference divider
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fREFIN
Reference input frequency
16.8
MHz
VI_REFIN
Reference input voltage
ac-coupled, 16.8 MHz
0.350
1
VPP
ZREFIN
Reference input impedance
100
k
ZREFIN
Reference input impedance
3
pF
timing requirements, serial data interface (see Figure 2)
MIN
MAX
UNIT
fCLOCK
Clock frequency
10
MHz
tw_CLKHI
Clock high time pulse width, CLOCK high
30
ns
tw_CLKLO
Clock low time pulse width, CLOCK low
30
ns
tsu_Data
Setup time, data valid before CLOCK
↑
30
ns
th_Data
Hold time, data valid after CLOCK
↑
30
ns
th_Strobe
Hold time, STROBE high before CLOCK
↑
30
ns
tsu_Strobe
Setup time, STROBE low after CLOCK
↑
30
ns
tw_STRBHI
STROBE high time pulse width, STROBE high
50
ns
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