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TZA1020HP Datasheet(PDF) 11 Page - NXP Semiconductors |
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TZA1020HP Datasheet(HTML) 11 Page - NXP Semiconductors |
11 / 36 page 2000 Oct 30 11 Philips Semiconductors Product specification Pre-amplifiers for CD-RW systems TZA1020; TZA1020A Table 11 Control bits for current negain-DAC; note 1 Note 1. The currents of all DACs is controlled by reference current (IRREF). The given currents are valid at IRREF = −900 µA. 8.1.6 CONTROL BYTE SUBADDRESS 03 Table 12 Control bit for tmdac Table 13 Control bits for tlnlimit Table 14 Control bits for current sumref-DAC; note 1 Note 1. The currents of all DACs is controlled by reference current (IRREF). The given currents are valid at IRREF = −900 µA. negain4 negain3 negain2 negain1 negain0 CURRENT negain-DAC 00000 3.125 µA 00001 6.250 µA 00010 9.375 µA : code : 100 µA (code + 1)/32 11101 93.750 µA 11110 96.900 µA 11111 100 µA tmdac DESCRIPTION 0 DAC test off 1 DAC test on tlnlim1 tlnlim0 DESCRIPTION 0 0 clamp off X 1 clamp on 1 (0.6 V; Tamb =25°C) 1 0 clamp on 2 (1.2 V; Tamb =25°C) sumref4 sumref3 sumref2 sumref1 sumref0 CURRENT sumref-DAC 00000 0.468 µA 00001 0.937 µA 00010 1.40 µA : code : 15 µA (code + 1)/32 11101 14.06 µA 11110 14.53 µA 11111 15.00 µA |
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