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參數(shù)資料
| 型號： | TDA6509TT |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 調諧器 |
| 英文描述： | 3-band mixer/oscillator and PLL for terrestrial tuners |
| 中文描述： | 3-BAND, VIDEO TUNER, PDSO32 |
| 封裝： | 6.10 MM, 0.65 MM PITCH, PLASTIC, MO-153, SOT487-1, TSSOP-32 |
| 文件頁數(shù)： | 9/42頁 |
| 文件大?。?/td> | 274K |
| 代理商： | TDA6509TT |
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2005 Mar 25
9
Philips Semiconductors
Product specification
3-band mixer/oscillator and PLL for
terrestrial tuners
TDA6508; TDA6508A;
TDA6509; TDA6509A
Table 1
I
2
C-bus data format for write mode
Note
1.
X = don’t care.
Table 2
Function of write mode bits used in Table 1
Table 3
Module address selection bits
NAME
BYTE
BITS
(1)
MSB
LSB
Address byte
Divider byte 1
Divider byte 2
Control byte
Band switch byte
ADB
DB1
DB2
CB
BB
1
0
N7
1
X
1
N14
N6
CP
X
0
N13
N5
T2
X
0
N12
N4
T1
P4
0
N11
N3
T0
P3
MA1
N10
N2
RSA
P2
MA0
N9
N1
RSB
P1
R/W = 0
N8
N0
WSB
P0
BIT
FUNCTION
MA1 and MA0
R/W
N14 to N0
CP
module address; see Table 3
read/write mode; 0 = write mode
programmable divider bits: N = N14
×
2
14
+
N13
×
2
13
+
...
+
N1
×
2
1
+
N0
charge-pump current control:
0: charge-pump current is 20
μ
A
1: charge-pump current is 100
μ
A
test mode; see Table 5
reference divider ratio; see Table 4
Weak Signal Booster control:
0: normal mode - no gain increase: external IF filter used
1: Weak Signal Booster activated: IF filter by-passed
port P0 to P4 control:
0: corresponding port is off; high impedance state (default)
1: corresponding port is on.
T2, T1 and T0
RSA and RSB
WSB
P0, P1, P2, P3, P4
MA1
MA0
VOLTAGE APPLIED TO PIN AS
0
0
1
1
0
1
0
1
0 V to 0.1V
CC
0.2V
CC
to 0.3V
CC
or open-circuit
0.4V
CC
to 0.6V
CC
0.9V
CC
to 1.0V
CC
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