參數(shù)資料
型號: TDA7427AD
廠商: STMICROELECTRONICS
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 200 MHz, PDSO28
封裝: TSSOP-28
文件頁數(shù): 5/22頁
文件大?。?/td> 444K
代理商: TDA7427AD
Data Byte Specification
CHARGE PUMP CONTROL
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0000
High current = 0mA
0001
High current = 0.5mA
0010
High current = 1.0mA
0011
High current = 1.5mA
0100
High current = 2.0mA
0101
High current = 2.5mA
0110
High current = 3.0mA
0111
High current = 3.5mA
1000
High current = 4.0mA
1001
High current = 4.5mA
1010
High current = 5.0mA
1011
High current = 5.5mA
1100
High current = 6.0mA
1101
High current = 6.5mA
1110
High current = 7.0mA
1111
High current = 7.5mA
0
Low current = 0
A
0
1
Low current = 50
A
1
0
Low current = 100
A
1
Low current = 150
A
0
Select low Current
1
Select high Current
1
Select loop filter LP_FM
0
Select loop filter LP_AM
LPIN1/2 CURRH
B1
B0
A3
A2
A1
A0
Subaddress = 00H
PLL COUNTER 1 (LSB)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
00000000
LSB = 0
00000001
LSB = 1
00000010
LSB = 2
11111100
LSB = 252
11111101
LSB = 253
11111110
LSB = 254
11111111
LSB = 255
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Bit name
Subaddress = 01H
TDA7427A
13/21
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PDF描述
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參數(shù)描述
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