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參數(shù)資料
| 型號： | TDA7421N |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS |
| 中文描述： | AM / FM調(diào)諧的汽車收音機(jī)及音響應(yīng)用 |
| 文件頁數(shù)： | 25/38頁 |
| 文件大?。?/td> | 337K |
| 代理商： | TDA7421N |
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TDA7421N
6.0 PLL DATA BYTE SPECIFICATION
6.1 CHARGE PUMP CONTROL
MSB
6.2 PLL COUNTER 1 (LSB)
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
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
Low current = 0
μ
A
Low current = 15
μ
A
Low current = 100
μ
A
Low current = 115
μ
A
Select low Current
0
0
0
1
1
0
1
1
0
1
Select high Current
0
Select loop filter 1
1
Select loop filter 2
LPIN1/2 CURRH
B1
B0
A3
A2
A1
A0
Subaddress = 00H
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
0
0
0
LSB = 0
0
0
0
0
0
0
0
1
LSB = 1
0
0
0
0
0
0
1
0
LSB = 2
all combinations allowed
1
1
1
1
1
1
0
0
LSB = 252
1
1
1
1
1
1
0
1
LSB = 253
1
1
1
1
1
1
1
0
LSB = 254
1
1
1
1
1
1
1
1
LSB = 255
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Bit name
Subaddress = 01H
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| TDA7427 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
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