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參數(shù)資料
| 型號(hào)： | TZA1038HW |
| 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 MM HEIGHT, PLASTIC, HTQFP-48 |
| 文件頁數(shù)： | 3/45頁 |
| 文件大?。?/td> | 185K |
| 代理商： | TZA1038HW |
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2003 Sep 03
3
Philips Semiconductors
Product specification
High speed advanced analog DVD signal
processor and laser supply
TZA1038HW
1
FEATURES
Operates with DVD-ROM, DVD+RW, DVD-RW,
CD-ROM and CD-RW
Operates up to 64
×
CD-ROM and 12
×
DVD-ROM
RF data amplifier with wide, fine pitch programmable
noise filter and equalizer equivalent to 64
×
CD or
12
×
DVD
Programmable RF gain for DVD-ROM, CD-RW and
CD-ROM applications (approximately 50 dB range to
cover a large range of disc-reflectivity and OPUs)
Additional RF sum input
Balanced RF data signal transfer
Universal photodiode IC interface using internal
conversion resistors and offset cancellation
Input buffers and amplifiers with low-pass filtering
Three different tracking servo strategies:
– Conventional three-beam tracking for CD
– Differential Phase Detection (DPD) for DVD-ROM,
including option to emulate traditional drop-out
detection: Drop-Out Concealment (DOC)
– Advanced push-pull with dynamic offset
compensation.
Enhanced signal conditioning in DPD circuit for optimal
tracking performance under noisy conditions
Radial error signal for Fast Track Counting (FTC)
RF only mode: servo outputs can be set to 3-state, while
RF data path remains active
Radial servo polarity switch
Flexible adaption to different light pen configurations
Two fully automatic laser controls for red and infrared
lasers, including stabilization and an on/off switch
Automatic selection of monitor diode polarity
Digital interface with 3 and 5 V compatibility.
2
GENERAL DESCRIPTION
The TZA1038HW is an analog preprocessor and laser
supply circuit for DVD and CD read-only players. The
device contains data amplifiers, several options for radial
tracking and focus control. The preamplifier forms a
versatile, programmable interface between single light
path voltage output CD or DVD mechanisms to Philips
digital signal processor family for CD and DVD (for
example, Gecko, HDR65 or Iguana). A separate
high-speed RFSUM input is available.
The device contains several options for radial tracking:
Conventional three-beam tracking for CD
Differential phase detector for DVD
Push-pull with flexible left and right weighting to
compensate dynamic offsets e.g. beam landing offset
A radial error signal to allow Fast Track Count (FTC)
during track jumps.
The dynamic range of this preamplifier and processor
combination can be optimized for LF servo and RF data
paths. The gain in both channels can be programmed
separately and so guarantees optimal playability for all
disc types.
The RF path is fully DC coupled. The DC content
compensation techniques provide fast settling after disc
errors.
The device can accommodate astigmatic, single foucault
anddoublefoucaultdetectors andcanbeusedwith P-type
lasers with N-sub or P-sub monitor diodes. After an initial
adjustment, the circuit will maintain control over the laser
diode current. With an on-chip reference voltage
generator, a constant stabilized output power is ensured
and is independent of ageing.
An internal Power-on reset circuit ensures a safe start-up
condition.
相關(guān)PDF資料 |
PDF描述 |
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| TZA1045 | Photodiode and amplifier IC for CD and DVD applications |
| TZA1045TS | Photodiode and amplifier IC for CD and DVD applications |
| TZA3001BHL | SDH/SONET STM4/OC12 laser drivers |
| TZA3001U | SDH/SONET STM4/OC12 laser drivers |
| TZA3004 | SDH/SONET STM1/OC3 and STM4/OC12 transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TZA1038HW,118 | 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 |
| 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 |
| TZA1045 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Photodiode and amplifier IC for CD and DVD applications |
| TZA1045TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Photodiode and amplifier IC for CD and DVD applications |
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