2003 Sep 03
2
Philips Semiconductors
Product specification
High speed advanced analog DVD signal
processor and laser supply
TZA1038HW
CONTENTS
1
2
3
4
5
6
7
7.1
7.2
7.2.1
7.2.2
7.2.3
7.2.4
7.2.4.1
7.2.4.2
7.2.4.3
FEATURES
GENERAL DESCRIPTION
ORDERING INFORMATION
QUICK REFERENCE DATA
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
RF data processing
Servo signal processing
Servo signal path set-up
Focus servo
Radial servo
Differential phase detection
Drop-out concealment
Push-pull and three-beam push-pull
Enhanced push-pull (dynamic offset
compensation for beam landing)
Offset compensation
Automatic dual laser supply
Power-on reset and general power on
Compatibility with TZA1033HL/V1
Software compatibility
Hardware compatibility
Interface to the system controller
Control registers
Register 0: power control
Register 1: servo and RF modes
Register 2: focus offset DAC
Register 3: RF path gain
Register 4: RF left and right, or sum offset
compensation
Register 5: RF sum offset compensation
Register 6: servo gain and dynamic radial
offset compensation factor
Register 7: servo path gain and bandwidth and
RF path bandwidth and pre-emphasis
Register 8: RF channel selection
Register 11: radial servo offset cancellation
Register 12: central servo offset cancellation
inputs A and B
Register 13: central servo offset cancellation
inputs C and D
Register 14: RF filter settings
Register 15: DPD filter settings
7.2.4.4
7.2.5
7.2.6
7.2.7
7.2.7.1
7.2.7.2
7.2.8
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.3.9
7.3.10
7.3.11
7.3.12
7.3.13
7.3.14
7.4
Internal digital control, serial bus and external
digital input signal relationships
STANDBY mode
RF only mode
Signal descriptions
Data path signals through pins A to D
Data signal path through input pins RFSUMP
and RFSUMN
HF filtering
Focus signals
Radial signals
DPD signals (DVD-ROM mode) with no
drop-out concealment
DPD signals (DVD-ROM mode) with
drop-out concealment
Three-beam push-pull (CD mode)
Enhanced push-pull
LIMITING VALUES
THERMAL CHARACTERISTICS
CHARACTERISTICS
APPLICATION INFORMATION
Signal relationships
Data path
Servo path
Programming examples
Energy saving
Initial DC and gain setting strategy
Electrical offset from pick-up
Gain setting servo
DC level in RF path
Gain setting RF path
PACKAGE OUTLINE
SOLDERING
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of surface mount IC packages for
wave and reflow soldering methods
DATA SHEET STATUS
DEFINITIONS
DISCLAIMERS
7.4.1
7.4.2
7.5
7.5.1
7.5.2
7.5.3
7.5.4
7.5.5
7.5.5.1
7.5.5.2
7.5.5.3
7.5.5.4
8
9
10
11
11.1
11.1.1
11.1.2
11.2
11.3
11.4
11.4.1
11.4.2
11.4.3
11.4.4
12
13
13.1
13.2
13.3
13.4
13.5
14
15
16