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參數(shù)資料
| 型號： | TZA1035HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | High speed advanced analog DVD signal processor and laser supply |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, SOT-313-2, MS-026, LQFP-48 |
| 文件頁數(shù)： | 26/48頁 |
| 文件大?。?/td> | 199K |
| 代理商： | TZA1035HL |
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2003 Jun 03
26
Philips Semiconductors
Preliminary specification
High speed advanced analog DVD signal
processor and laser supply
TZA1035HL
Table 29
Description of register bits (address FH); bit K2_Mode = 1
BIT
SYMBOL
FUNCTION
15 to 12
11 to 6
5 to 3
AD[3:0]
DPD_LL[2:0]
1111 = address FH
not used
DPD lead/lag filter start frequency (f
start
).
000 = 1 MHz
001 = 5 MHz
010 = 10 MHz
011 = 18 MHz
100 = 24 MHz
DPD low-pass filter (f
3dB
).
000 = 10 MHz
001 = 50 MHz
010 = 100 MHz
011 = 180 MHz
111 = 240 MHz
2 to 0
DPD_LPF[2:0]
7.4
Internal digital control, serial bus and external
digital input signal relationships
The settings of all internal switches, DACs and modes of
operationcanbeprogrammedviatheserialbus.Thereare
also a few external digital signals which influence the
programmed settings.
7.4.1
STANDBY
MODE
To ensure a safe start-up, the TZA1035HL has an internal
Power-on reset that resets on bit PWRON. During
STANDBY mode, most circuits, including laser supplies,
are switched off.
bit CD_LDON = 1 if CD laser is on and POWERON
bit DVD_LDON = 1 if DVD laser is on and POWERON.
7.4.2
RF
ONLY MODE
The servo outputs can be disabled for easy interfacing in
systems where two front-end signal processors are used.
This mode will set the outputs OA to OD, S1 and S2 to
3-state. The RF data path remains active.
7.5
Signal descriptions
The variables A
1
to A
3
, A
RFSUM,
A
LFC
and A
LFR
, are the
linear equivalents of G
1
to G
3
, GRFSUM, G
LFC
and G
LFR
.
7.5.1
D
ATA PATH SIGNALS THROUGH PINS
A
TO
D
With bit RFSUM = 0:
(DVD
RFP
DVD
RFN
) =
A
2
×
1
/
4
×
[SW-A {(A
OPUREF)
×
A
1
RF
OFFSL
}
+ SW-B {(B
OPUREF)
×
A
1
RF
OFFSL
}
+ SW-C {(C
OPUREF)
×
A
1
RF
OFFSR
}
+ SW-D {(D
OPUREF)
×
A
1
RF
OFFSR
}]
RFP = RFREF + 0.5
×
A
3
×
(DVD
RFP
DVD
RFN
)
RFN = RFREF
0.5
×
A
3
×
(DVD
RFP
DVD
RFN
)
Thus:
RF
dif
=
A
3
×
A
2
×
A
1
×
A
B
C
D
+
+
4
+
OPUREF
RF
OFFS
–
–
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| TZA1038HW-T | 功能描述:音頻 DSP DVDALASLITE AUTO RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TZ-A103SS | 制造商:Panasonic Industrial Company 功能描述:SIGNAL SENDER |
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