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参数资料
| 型号： | TDA7427AAD1 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 200 MHz, PDSO28 |
| 封装： | SO-28 |
| 文件页数： | 6/21页 |
| 文件大小： | 160K |
| 代理商： | TDA7427AAD1 |
PLL COUNTER 2 (MSB)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
000
00
MSB = 0
0
1
MSB = 256
0
1
0
MSB = 512
1
0
MSB = 64768
1
0
1
MSB = 65024
1
0
MSB = 65280
1
MSB = 65536
PC15
PC14
PC13
PC12
PC11
PC10
PC9
PC8
Bit name
Subddress = 02H
Swallow mode: fvco/fsyn = LSB + MSB + 32
Direct mode: fvco/fsyn = LSB + MSB + 1
PLL REFERENCE COUNTER 1 (LSB)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
000
00
LSB = 0
0
000
01
LSB = 1
0
000
10
LSB = 2
1
0
LSB = 252
1
0
1
LSB = 253
1
0
LSB = 254
1
LSB = 255
RC7
RC6
RC5
RC4
RC3
RC2
RC1
RC0
Bit name
Subaddress =03H
PLL REFERENCE COUNTER 2 (MSB)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
000
00
MSB = 0
0
1
MSB = 256
0
1
0
MSB = 512
1
0
MSB = 64768
1
0
1
MSB = 65024
1
0
MSB = 65280
1
MSB = 65536
RC15
RC14
RC13
RC12
RC11
RC10
RC9
RC8
Bit name
Subddress = 04H
fOSC/fREF = LSB + MSB + 1
TDA7427A
14/21
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