參數(shù)資料
型號(hào): TDA7427
廠(chǎng)商: 意法半導(dǎo)體
元件分類(lèi): 通用總線(xiàn)功能
英文描述: AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER
中文描述: 上午- FM收音機(jī)頻率合成器和中頻計(jì)數(shù)器
文件頁(yè)數(shù): 15/21頁(yè)
文件大小: 144K
代理商: TDA7427
LOCK DETECTOR& PLL MODE CONTROL
MSB
D7
LSB
D0
0
1
0
1
FUNCTION
D6
D5
D4
D3
D2
D1
0
0
1
1
PLL standby mode
PLL AM swallow mode
PLL AM direct mode
PLL FM mode
PD phase difference threshold 10ns
PD phase difference threshold 20ns
PD phase difference threshold 30ns
PD phase difference threshold 40ns
Not used in application mode
Activation delay = 4
fref
Activation delay = 6
fref
Activation delay = 8
fref
Digital output1 at pin ”dout1/inlock”
Inlock information at pin ”dout1/inlock”
No lock detector controlled chargepump
Lock detector controlledchargepump
Bit name
0
0
1
1
0
1
0
1
0
0
1
1
0
1
0
1
0
1
0
1
LDENA INLOCK
D3
D2
D1
D0
PM1
PM0
Subaddress = 05H
IF COUNTER REFERENCE CONTROL 1 (LSB)
MSB
D7
D6
D5
0
0
0
0
0
0
0
0
0
LSB
D0
0
1
0
FUNCTION
D4
0
0
0
D3
0
0
0
D2
0
0
0
D1
0
0
1
LSB = 0
LSB = 1
LSB = 2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
0
1
0
1
LSB = 252
LSB = 253
LSB = 254
LSB = 255
Bit name
IRC7
IRC6
IRC5
IRC4
IRC3
IRC2
IRC1
IRC0
Subaddress = 06H
TDA7427
15/21
相關(guān)PDF資料
PDF描述
TDA7427D AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER
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TDA7429T DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX
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