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TDA7427 数据表(PDF) 13 Page - STMicroelectronics

部件名 TDA7427
功能描述  AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER
PDF  21 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7427 数据表(HTML) 13 Page - STMicroelectronics

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Data Byte Specification
CHARGE PUMP CONTROL
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
High current = 0mA
0
0
0
1
High current = 0.5mA
0
0
1
0
High current = 1.0mA
0
0
1
1
High current = 1.5mA
0
1
0
0
High current = 2.0mA
0
1
0
1
High current = 2.5mA
0
1
1
0
High current = 3.0mA
0
1
1
1
High current = 3.5mA
1
0
0
0
High current = 4.0mA
1
0
0
1
High current = 4.5mA
1
0
1
0
High current = 5.0mA
1
0
1
1
High current = 5.5mA
1
1
0
0
High current = 6.0mA
1
1
0
1
High current = 6.5mA
1
1
1
0
High current = 7.0mA
1
1
1
1
High current = 7.5mA
0
0
Low current = 0
µA
0
1
Low current = 50
µA
1
0
Low current = 100
µA
1
1
Low current = 150
µA
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
000
0
0000
LSB = 0
000
0
0001
LSB = 1
000
0
0010
LSB = 2
111
1
1100
LSB = 252
111
1
1101
LSB = 253
111
1
1110
LSB = 254
111
1
1111
LSB = 255
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Bit name
Subaddress = 01H
TDA7427
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