TZA1029H Philips Semiconductors, TZA1029H Datasheet
TZA1029H
Specifications of TZA1029H
Available stocks
Related parts for TZA1029H
TZA1029H Summary of contents
Page 1
DATA SHEET TZA1029 Pre-amplifier for CD-RW systems Product specification Supersedes data of 2000 Oct 30 File under Integrated Circuits, IC01 INTEGRATED CIRCUITS 2000 Oct 31 ...
Page 2
... Philips Semiconductors Pre-amplifier for CD-RW systems CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 QUICK REFERENCE DATA 4 ORDERING INFORMATION 5 BLOCK DIAGRAM 6 PINNING 7 FUNCTIONAL DESCRIPTION 7.1 Data amplifier 7.2 Normalizer 7.3 Wobble pre-processor 7.4 Beta detector 7.5 Alpha detector 7.6 Fast track count 7.7 Spot position measurement ...
Page 3
... T ambient temperature amb 4 ORDERING INFORMATION TYPE NUMBER NAME TZA1029H QFP44 2000 Oct 31 2 GENERAL DESCRIPTION TZA1029 (Aeger analog pre-processor IC for CD-R and CD-RW systems with 3-spots push-pull tracking system. The IC interfaces directly to the photo diodes. The device generates signals for laser power calibration and laser power control during disc writing ...
Page 4
... Philips Semiconductors Pre-amplifier for CD-RW systems 5 BLOCK DIAGRAM handbook, full pagewidth 15 ERON 11 INPUT CAGAIN STAGE 3 4 SA1 8 DIODE SA2 INPUT 5 SB1 STAGE 1 9 SB2 DIODE C2 INPUT 6 C3 STAGE AMON TZA1029 12 SDA 2 I C-BUS 13 INTERFACE SCL 1 UOUT DRIVER 2 RREF DD1 V DD2 ...
Page 5
... Philips Semiconductors Pre-amplifier for CD-RW systems 6 PINNING SYMBOL PIN DESCRIPTION UOUT 1 reference voltage output RREF 2 reference current input C2 3 central photo diode current input SA1 4 satellite photo diode current input SB1 5 satellite photo diode current input C3 6 central photo diode current input ...
Page 6
... Philips Semiconductors Pre-amplifier for CD-RW systems handbook, full pagewidth UOUT RREF C2 SA1 SB1 C3 C4 SA2 SB2 C1 CAGAIN handbook, halfpage 2000 Oct TZA1029H Fig.2 Pin configuration SA1 SA2 Fig.3 Quadrant diode configuration. 6 Product specification 33 MEAS2 MEAS1 SS1 30 29 GND1 V DD1 ...
Page 7
... Philips Semiconductors Pre-amplifier for CD-RW systems 7 FUNCTIONAL DESCRIPTION All functions are designed in such a way that a read speed up to twelve times nominal speed is possible ( 12). Recording speed up to eight is possible. 7.1 Data amplifier The central diodes currents (C1 to C4) are fed to a high bandwidth current amplifier ...
Page 8
... Philips Semiconductors Pre-amplifier for CD-RW systems C-BUS PROTOCOL 8.1 Addressing and data bytes Full control of the TZA1029 is accomplished via the 2-wire I 2 accordance with the I C-bus fast-mode specification. For programming the device (write mode) eight data byte registers are available/addressable via eight subaddresses. ...
Page 9
... Philips Semiconductors Pre-amplifier for CD-RW systems 8.1.2.1 Examples of valid transmissions to and from the TZA1029 Write: START - 34H - 00H - Data_for_00 - STOP Write with auto-increment: START - 34H - 00H - data_for_00 - data_for_01 - data_for_02 - STOP Auto-increment ‘wrap around’: START - 34H - 07H - data_for_07 - data_for_00 - data_for_01 - STOP Write without auto-increment: START - 34H - F5H - data_for_05 - data_for_05 - data_for_05 - STOP Read: START - 35H - data_from_ IC - STOP ...
Page 10
... Philips Semiconductors Pre-amplifier for CD-RW systems 8.1.4 C ONTROL BYTE SUBADDRESS Table 8 Control byte for algctr switch functions free algctr5 free 8.1.5 C ONTROL BYTE SUBADDRESS Table 9 Control bits for tlngain tlngain1 Table 10 Control bits for rengain rengain Table 11 Control bits for current negain-DAC; note 1 ...
Page 11
... Philips Semiconductors Pre-amplifier for CD-RW systems 8.1.6 C ONTROL BYTE SUBADDRESS Table 12 Control bit for tmdac tmdac Table 13 Control bits for tlnlim tlnlim1 Table 14 Control bits for current sumref-DAC; note 1 sumref4 sumref3 sumref2 code Note 1. The currents of all DACs is controlled by reference current (I 8 ...
Page 12
... Philips Semiconductors Pre-amplifier for CD-RW systems 8.1.8 C ONTROL BYTE SUBADDRESS Table 16 Control bits for betactrl control via 5-bit DAC betactrl1 Table 17 Control bits for betascl control via 5-bit DAC; note 1 betascl4 betascl3 betascl2 code Note 1. The currents of all DACs is controlled by reference current (I 8 ...
Page 13
... Philips Semiconductors Pre-amplifier for CD-RW systems 8.1.10 C ONTROL BYTE SUBADDRESS Table 20 Control bits for porr porr 0 1 Note 1. When porr is set to logic 1 it ensures that the POR read bit is reset to logic 0. This way a reading of POR is always at logic 1 with the occurrence of an actual power-on I ...
Page 14
... Philips Semiconductors Pre-amplifier for CD-RW systems Table 25 Read byte POR 0 1 Note 1. At power-on, an internal Power-on reset signal is generated which resets the I When the internal data bits are found POR state (due to an actual Power-on reset but also when set via ...
Page 15
Acrobat reader. white to force landscape pages to be ... SDA t BUF t LOW t r SCL t HD;STA t HD;DAT P S ...
Page 16
... Philips Semiconductors Pre-amplifier for CD-RW systems Table 26 Scale factors controlled by the I SCALE FACTOR RE scale TL scale MIR scale Table 27 Currents controlled by the I NORMALIZER CURRENTS I negain I sumref I sdfine I ref Note 1. The currents are proportional to I 2000 Oct 31 2 C-bus interface BINARY VALUE ...
Page 17
... Philips Semiconductors Pre-amplifier for CD-RW systems 9 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL V positive supply voltage DD T storage temperature stg T ambient temperature amb V electrostatic handling voltage es Machine model Human body model 10 THERMAL CHARACTERISTICS SYMBOL R thermal resistance from junction to ambient ...
Page 18
... Philips Semiconductors Pre-amplifier for CD-RW systems SYMBOL PARAMETER Reference input current; pin RREF I input reference current i(RREF) I current range RREF V input voltage on pin RREF i(RREF) Reference voltage buffer; pin UOUT V LOW-level output UOUT reference voltage HIGH-level output reference voltage I current range ...
Page 19
... Philips Semiconductors Pre-amplifier for CD-RW systems SYMBOL PARAMETER Digital control signals I ; ERON, ASTROBE, CAWR, ALS, SDA, SCL NPUT VOLTAGE LEVELS PINS V LOW-level input voltage IL V HIGH-level input voltage SDA UTPUT VOLTAGE LEVEL PIN V LOW-level output voltage OH V HIGH-level output voltage ...
Page 20
... Philips Semiconductors Pre-amplifier for CD-RW systems SYMBOL PARAMETER O FFSET CURRENTS I offset current focus error offset(fe) I offset current radial error offset(re) I offset current track loss offset(tl) I offset radial beam landing offset(xd) I variation in offset current offset(re) radial error I variation in offset current offset(tl) ...
Page 21
... Philips Semiconductors Pre-amplifier for CD-RW systems SYMBOL PARAMETER TS temperature sensitivity for Ztr(FTC) transimpedance of fast track circuit F AST TRACK COUNT SIGNAL VOLTAGE OUTPUT V output voltage range o(RE) V output offset voltage offset(RE) R output resistance o(RE) B bandwidth of RE signal 3dB(RE) Spot position measurements; see Table 29 and note 7 ...
Page 22
... Philips Semiconductors Pre-amplifier for CD-RW systems SYMBOL PARAMETER Laser power calibration signals (beta circuit); see Fig.5 and Table 2 reference voltage for beta ref(beta) detector V /V ratio between A1 and ratio between CALF and A1 CALF 100 BETASCALE P B bandwidth ( 3 dB) of CALF 3dB ...
Page 23
... Philips Semiconductors Pre-amplifier for CD-RW systems SYMBOL PARAMETER V output voltage pin o(DALPHA) DALPHA R resistance CAWR switch sw(CAWR) Wobble pre-processor; see note 10 and Table 33 LPF2 B bandwidth ( 3 dB) of LPF2 lpsel = 00 3dB(LPF2) B relative variation BLPF2 LPF2 over input current range V ARIABLE GAIN LOOP ...
Page 24
... Philips Semiconductors Pre-amplifier for CD-RW systems SYMBOL PARAMETER R output resistance PPN o(PPN) signal TS temperature sensitivity of R(I-V) offset voltage of PPN signal B internal signal bandwidth 3dB(PPN) of PPN circuit Notes 1. In the application, the reference current will be generated by means of a resistor. The given current can be realized by a resistor of 1 ...
Page 25
... Philips Semiconductors Pre-amplifier for CD-RW systems Table 28 Fast track count; note 1 FTC CURRENTS Isd-fine Iref Note 1. The currents are proportional to I Table 29 Spot position measurements meassel CODE 00 (POR Table 30 Laser power calibration (beta circuit); note 1 BETA CIRCUIT CURRENTS I betascl Note 1 ...
Page 26
... Philips Semiconductors Pre-amplifier for CD-RW systems width beta V = ----------------- - betascl V beta ----------------- - betascl V beta V = ----------------- - I CALF calfi I betascl calfi calfi C1 2000 Oct 31 I calfi Fig.5 Laser power calibration signal (beta circuit). 26 Product specification TZA1029 MGR812 ...
Page 27
... Philips Semiconductors Pre-amplifier for CD-RW systems 11.1 Transfer functions for normalized servo signals – – --------------------- - + --------------------- - FEN – ------------------------------------------------------------------------------------------------------------- - XDN ------------------------------------------------------------------------------------------------------------- - REN re scale ------------------------------------------------------------------------------------------------------------- - TLN tl scale MIR = – ------------------------------------------------------------------------------------------------------------- - MIRN mir scale -------------------------------------------------- - negdoc negain I sumref -------------------------------------------------- - negdoc negain I sumref -------------------------------------------------- - negdoc negain I sumref SA1 SB1 S2 SA2 ref ...
Page 28
... Philips Semiconductors Pre-amplifier for CD-RW systems 11.2 Laser power control signals (alpha circuit) The alpha circuit can be split into an alpha circuit for CD-RW, an alpha circuit for CD-R and a subtractor with additional gain switching. The alpha circuit is active only if AMON = 1. Table 31 Alpha scale factors ...
Page 29
... Philips Semiconductors Pre-amplifier for CD-RW systems 11.3 Wobble pre-processor Table 33 Wobble currents; note 1 WOBBLE CURRENTS I ppnscl Note 1. The currents are proportional to I 2000 Oct 31 BINARY VALUE CONTROL SIGNAL CONTROL SIGNAL ppnscl4 to ppnscl0 . The given current values are valid at I RREF 29 Product specifi ...
Page 30
... Philips Semiconductors Pre-amplifier for CD-RW systems 12 APPLICATION AND TEST INFORMATION handbook, full pagewidth 15 ERON from CAGAIN 11 INPUT laser control STAGE SA1 4 SA2 8 DIODE INPUT SB1 5 STAGE 1 SB2 DIODE INPUT C3 6 STAGE AMON 14 TIMING ASTROBE 19 CIRCUIT ALS 21 TZA1029 SDA 12 from SCL ...
Page 31
... Philips Semiconductors Pre-amplifier for CD-RW systems 13 PACKAGE OUTLINE QFP44: plastic quad flat package; 44 leads (lead length 1.3 mm); body 1. pin 1 index DIMENSIONS (mm are the original dimensions) A UNIT max. 0.25 1.85 mm 2.10 0.25 0.05 1.65 Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. ...
Page 32
... Philips Semiconductors Pre-amplifier for CD-RW systems 14 SOLDERING 14.1 Introduction to soldering surface mount packages This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “Data Handbook IC26; Integrated Circuit Packages” (document order number 9398 652 90011). ...
Page 33
... Philips Semiconductors Pre-amplifier for CD-RW systems 14.5 Suitability of surface mount IC packages for wave and reflow soldering methods PACKAGE BGA, SQFP HLQFP, HSQFP, HSOP, HTSSOP, SMS not suitable (3) PLCC , SO, SOJ LQFP, QFP, TQFP SSOP, TSSOP, VSO Notes 1. All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum temperature (with respect to time) and body size of the package, there is a risk that internal or external package cracks may occur due to vaporization of the moisture in them (the so called popcorn effect) ...
Page 34
... Specification may change in any manner without notice. This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. ...
Page 35
... Philips Semiconductors Pre-amplifier for CD-RW systems 2000 Oct 31 NOTES 35 Product specification TZA1029 ...
Page 36
... Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 5F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2451, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 60/14 MOO 11, Bangna Trad Road KM ...