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參數(shù)資料
| 型號(hào)： | TDA6509A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 3-band mixer/oscillator and PLL for terrestrial tuners |
| 中文描述： | 3波段混頻器/振蕩器，鎖相環(huán)路的地面電視調(diào)諧器 |
| 文件頁(yè)數(shù)： | 11/42頁(yè) |
| 文件大?。?/td> | 274K |
| 代理商： | TDA6509A |
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2005 Mar 25
11
Philips Semiconductors
Product specification
3-band mixer/oscillator and PLL for
terrestrial tuners
TDA6508; TDA6508A;
TDA6509; TDA6509A
Table 6
Read data format
Note
1.
MSB is transmitted first.
Table 7
Description of the bits used in Table 6
Table 8
Digital outputs for analog to digital converter (note 1)
Note
1.
Accuracy is
±
0.03
×
V
CC
.
8.4
Power-on reset
The threshold level for the power-on reset supply voltage V
POR
is set to 3.2 V at room temperature. Below this threshold,
the device is reset to the power-on state.
The following actions take place In the power-on state:
The charge-pump current is set to 100
μ
A
Test bits T2, T1 and T0 are set to logic 001; the charge-pump can either sink or source current
The Weak signal booster is disabled
All ports are off and the HIGH band is selected by default.
NAME
BYTE
BIT
MSB
(1)
LSB
Address byte
Status byte
ADB
SB
1
POR
1
FL
0
1
0
1
0
1
MA1
A2
MA0
A1
R/W = 1
A0
BIT
DESCRIPTION
MA1 and MA0
R/W
POR
programmable address bits; see Table 3
read/write mode selection; 1 = read mode
Power-on reset flag:
0: after end of the first read sequence
1: at Power-on
in-lock flag:
0: loop is not locked
1: loop is locked
digital outputs of the 5-level ADC; see Table 8
FL
A2, A1 and A0
A2
A1
A0
VOLTAGE APPLIED TO PIN ADC
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
0 V
CC
to 0.15 V
CC
0.15 V
CC
to 0.3 V
CC
0.3 V
CC
to 0.45 V
CC
0.45 V
CC
to 0.6 V
CC
0.6 V
CC
to 1 V
CC
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