參數(shù)資料
型號: PMB2347
廠商: INFINEON TECHNOLOGIES AG
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2800 MHz, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁數(shù): 24/35頁
文件大小: 578K
代理商: PMB2347
Reference
5 - 11
PMB 2347
preliminary
Wireless Components
Specification, August 1999
Table 5-14 Programming of CP Current of PLL2
c2
CP current 1
CP Current [mA]
Remark
0
Tristate
with 100A reference current
1
1.0 mA
Table 5-15 Programming of Charge Pump Pulse Width of both PLLs
c7
CPP width 1
c6
CPP width 2
Pulse Width [ns] typ.
Remark
0
01.6 ns
not recommended for PLL2
1
06.0 ns
0
19.0 ns
1
13.0 ns
Table 5-16 Standby of Power Down Programming of both PLLs
Control Bits
Mode
Affected Output Pins
Z: High Impedance (Tristate)
c9
standby 1
c8
standby 2
Pin 11
LD/fo
Pin 3
CP1
Pin 18
CP2
0
standby1
off
Z
1
0
standby2
off
Z
0
1
standby1
off
Z
1
Operation Mode
active
Table 5-17 Programming of Synchronous/Asynchronous Mode of PLL1
c13
Sync/Async
Synchronous/Asynchronous Mode
0
Asynchronous Mode of PLL 1
1
Synchronous Mode of PLL 1
Table 5-18 Programming of PD Polarity of both PLLs
Control Bit
PD Polarity
c10
PD Polarity
0
negative Polarity
1
positive Polarity
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