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INTEGRATED CIRCUITS DATA SHEET TZA1015 Data amplifier and laser supply circuit for CD and read-only optical systems (HDALAS) 1997 May 16 Preliminary specification File under Integrated Circuits, IC01 Philips Semiconductors Preliminary specification Data amplifier and laser supply circuit for CD and TZA1015 read-only optical systems (HDALAS) The device contains 6 transimpedance amplifiers to FEATURES amplify and filter the focus and radial photo diode voltage • Six input buffer amplifiers with low-pass filtering and input signals. The preamplifier forms a versatile, virtually no offset programmable interface from voltage output CD • Universal photodiode IC interface using internal mechanisms to the Philips’ digital signal processor family. conversion resistors The dy