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TDA7427D датащи(PDF) 15 Page - STMicroelectronics

номер детали TDA7427D
подробное описание детали  AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER
PDF  21 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7427D датащи(HTML) 15 Page - STMicroelectronics

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LOCK DETECTOR & PLL MODE CONTROL
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
0
PLL standby mode
0
1
PLL AM swallow mode
1
0
PLL AM direct mode
1
1
PLL FM mode
0
0
PD phase difference threshold 10ns
0
1
PD phase difference threshold 20ns
1
0
PD phase difference threshold 30ns
1
1
PD phase difference threshold 40ns
0
0
Not used in application mode
0
1
Activation delay = 4
⋅ fref
1
0
Activation delay = 6
⋅ fref
1
1
Activation delay = 8
⋅ fref
0
Digital output 1 at pin ”dout1/inlock”
1
Inlock information at pin ”dout1/inlock”
0
No lock detector controlled chargepump
1
Lock detector controlled chargepump
LDENA INLOCK
D3
D2
D1
D0
PM1
PM0
Bit name
Subaddress = 05H
IF COUNTER REFERENCE CONTROL 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
IRC7
IRC6
IRC5
IRC4
IRC3
IRC2
IRC1
IRC0
Bit name
Subaddress = 06H
TDA7427
15/21



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