參數(shù)資料
型號: NJW1508
廠商: New Japan Radio Co., Ltd.
英文描述: PLL Synthesizer with IC Bus for TV Tuner
中文描述: PLL合成器的電視調(diào)諧器集成電路總線
文件頁數(shù): 6/10頁
文件大?。?/td> 135K
代理商: NJW1508
NJW1504/1508
- 6 -
n
Data Format
Parameter
Chip Address
Divider Byte 1
Divider Byte 2
Control Byte
Band switch Byte
· Data specifications
Symbol
CA
D1
D2
CB
BB
MSB
1
0
N7
1
×
LSB
A
A
A
A
A
1
0
0
0
CA1
N10
N2
RD1
BS2
CA0
N9
N1
RD0
BS1
0
N8
N0
×
BS0
N14
N6
CP
×
N13
N5
T2
×
N12
N4
T1
×
N11
N3
T0
BS3
× : don’t care ;0 or 1
CA1, CA0 : Programmable address bits
ADRS Voltage
Always valid
0 to 0.1 Vcc1
0.4 Vcc1 to 0.6 Vcc1
0.9 Vcc1 to Vcc1
CA1
0
0
1
1
CA0
1
0
0
1
BS0 to BS3 : Band switch buffers Control bits, BSn=1 then “ON”
N0 to N14 : Control of Programmable divider bits, N14=MSB N0=LSB
Dividing ratio : N=2
14
×N14+2
13
× N13+·····+2
1
×N1+N0
Maximum division ratio 32767
Minimum division ratio 256
CP : Charge Pump Current
CP
1
0
Charge Pump Current
280μA
60μA
Conditions
Normal, Default
Test
T0 to T2 :Test mode bits
T0,T1,T2 :Phase Comparator Output bits
T2
T1
0
0
1
0
1
1
1
1
T0
×
1
0
1
Phase Comparator, Band Switch
Normal Output
Phase Comparator (High Impedance)
Phase Comparator (Sink)
Phase Comparator (Source)
Conditions
Normal, Default
Test
Test
Test
RD1,RD0 : Reference Divider bits
RD1
RD2
×
1
0
Reference Divider
640
512
1024
Conditions
Default
0
1
1
(Note)
Default : Power on reset
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