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TZA1020HP Dataheets PDF



Part Number TZA1020HP
Manufacturers NXP
Logo NXP
Description Pre-amplifiers for CD-RW systems
Datasheet TZA1020HP DatasheetTZA1020HP Datasheet (PDF)

INTEGRATED CIRCUITS DATA SHEET TZA1020; TZA1020A Pre-amplifiers for CD-RW systems Product specification File under Integrated Circuits, IC01 2000 Oct 30 Philips Semiconductors Product specification Pre-amplifiers for CD-RW systems CONTENTS 1 2 3 4 5 6 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 8 8.1 8.1.1 8.1.2 8.1.3 8.1.4 8.1.5 8.1.6 8.1.7 8.1.8 8.1.9 8.1.10 8.2 FEATURES GENERAL DESCRIPTION QUICK REFERENCE DATA ORDERING INFORMATION BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Data amplifier Normalizer Wob.

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INTEGRATED CIRCUITS DATA SHEET TZA1020; TZA1020A Pre-amplifiers for CD-RW systems Product specification File under Integrated Circuits, IC01 2000 Oct 30 Philips Semiconductors Product specification Pre-amplifiers for CD-RW systems CONTENTS 1 2 3 4 5 6 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 8 8.1 8.1.1 8.1.2 8.1.3 8.1.4 8.1.5 8.1.6 8.1.7 8.1.8 8.1.9 8.1.10 8.2 FEATURES GENERAL DESCRIPTION QUICK REFERENCE DATA ORDERING INFORMATION BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Data amplifier Normalizer Wobble pre-processor Beta detector Alpha detector Fast track count Spot position measurement I2C-BUS PROTOCOL Addressing and data bytes Write mode Read mode Control byte subaddress 00 Control byte subaddress 01 Control byte subaddress 02 Control byte subaddress 03 Control byte subaddress 04 Control byte subaddress 05 Control byte subaddress 06 Control byte subaddress 07 Characteristics of the I2C-bus 9 10 11 11.1 11.2 11.3 12 13 14 14.1 14.2 14.3 14.4 14.5 15 16 17 18 TZA1020; TZA1020A LIMITING VALUES THERMAL CHARACTERISTICS CHARACTERISTICS Transfer functions for normalized servo signals Laser power control signals (alpha circuit) Wobble pre-processor APPLICATION AND TEST INFORMATION 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 PURCHASE OF PHILIPS I2C COMPONENTS 2000 Oct 30 2 Philips Semiconductors Product specification Pre-amplifiers for CD-RW systems 1 FEATURES TZA1020; TZA1020A • Data amplifier for read speed up to twelve times nominal data speed • Normalized and filtered error signals for servo control • Wobble pre-processor with switchable low-pass filter • Calculation of signals for real-time laser power control for write speed up to four times • Calculation of signals for optimum laser calibration for write speed up to four times • Fast track count amplifier • Spot position measurement for alignment of photo diodes • Reference voltage for laser controller • On-chip band gap and DACs for accurate and adjustable current/gain settings • I2C-bus microcontroller interface for programmable gain, speed switching and function selection • All functions available for CD-R and CD-RW systems. 3 QUICK REFERENCE DATA SYMBOL VDD VSS Ii(cd) B−3dB(norm) B−3dB(CAHF) ∆td(g)(CAHF) GI(CAHF) IRREF Tamb 4 PARAMETER positive supply voltage negative supply voltage central diode input current range −3 dB bandwidth normalized error signals (servo) −3 dB bandwidth pin CAHF group delay variations pin CAHF current gain pin CAHF reference current ambient temperature Ci = 12 pF f = 0.1 to 12 MHz; Ci = 12 pF cdrwsel = 1 cdrwsel = 0 CONDITIONS MIN. 4.5 −5.5 0 48 17 − − − − 0 TYP. 5.0 −5.0 − 60 − − 35 8.75 −900 − MAX. 5.5 −4.5 4000 − − 0.9 − − − 70 µA °C UNIT V V µA kHz MHz ns 2 GENERAL DESCRIPTION TZA1020 (AEGER2) is an analog pre-processor IC for CD-R and CD-RW systems with 3-spots.


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