| 1559121 | TDA1521Q_N5 | 2 x 12 W hi-fi audio power amplifier | Philips |
| 1559122 | TDA1521_N4 | 2 x 12 W hi-fi audio power amplifier | Philips |
| 1559123 | TDA1521_N5 | 2 x 12 W hi-fi audio power amplifier | Philips |
| 1559124 | TDA1522 | Stereo cassette head preamplifier and equalizer | Philips |
| 1559125 | TDA1522_V2_S1 | Stereo cassette head preamplifier and equalizer | Philips |
| 1559126 | TDA1523 | Stereo cassette head preamplifier and equalizer | Philips |
| 1559127 | TDA1524 | Stereo-tone/volume control circuit | Philips |
| 1559128 | TDA1524A | Stereo-tone/volume control circuit | Philips |
| 1559129 | TDA1524A/V4 | TDA1524A; Stereo-tone/volume control circuit | Philips |
| 1559130 | TDA1526 | Stereo-tone/volume control circuit | Philips |
| 1559131 | TDA1534 | 14-BIT analogue to digital converter (ADC) | Philips |
| 1559132 | TDA1535B | HIGH-SPEED SINGLE SAMPLE-AND-HOLD AMPLIFIER | Philips |
| 1559133 | TDA1540 | 14-Bit DAC (Serial Output) | Signetics |
| 1559134 | TDA1540D | 14-Bit DAC (Serial Output) | Signetics |
| 1559135 | TDA1540PN | 14-Bit DAC (Serial Output) | Signetics |
| 1559136 | TDA1540TD | 14-Bit DAC (Serial Output) | Signetics |
| 1559137 | TDA1541 | Dual 16-bit DAC | Philips |
| 1559138 | TDA1541A | Stereo high performance 16-bit DAC | Philips |
| 1559139 | TDA1541A/N2 | Stereo high performance 16-bit DAC | Philips |
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| 1559140 | TDA1543 | Dual 16-bit DAC economy version I2S input format | Philips |
| 1559141 | TDA1543T | Dual 16-bit DAC economy version I2S input format | Philips |
| 1559142 | TDA1545 | Stereo continuous calibration DAC | Philips |
| 1559143 | TDA1545A | Stereo continuous calibration DAC | Philips |
| 1559144 | TDA1545AT | Stereo continuous calibration DAC | Philips |
| 1559145 | TDA1545ATT | Stereo continuous calibration DAC | Philips |
| 1559146 | TDA1545AT_N2 | Stereo continuous calibration DAC | Philips |
| 1559147 | TDA1545A_N2 | Stereo continuous calibration DAC | Philips |
| 1559148 | TDA1546T | Bitstream Continuous Calibration DAC with digital sound processing BCC-DAC | Philips |
| 1559149 | TDA1547 | Dual top-performance bitstream DAC | Philips |
| 1559150 | TDA1548T | Bitstream continuous calibration filter-DAC with headphone driver and DSP | Philips |
| 1559151 | TDA1548TZ | Bitstream continuous calibration filter-DAC with headphone driver and DSP | Philips |
| 1559152 | TDA1549T | Stereo 4fs data input up-sampling filter with bitstream continuous calibration DAC BCC-DAC1 | Philips |
| 1559153 | TDA1549T_N1 | Stereo 4fs data input up-sampling filter with bitstream continuous calibration DAC (BCC-DAC1) | Philips |
| 1559154 | TDA1551 | 2 x 22 W BTL car radio power amplifier with diagnostic facility | Philips |
| 1559155 | TDA1551Q | 2 x 22 W BTL car radio power amplifier with diagnostic facility | Philips |
| 1559156 | TDA1552 | 2 x 22 W BTL stereo car radio power amplifier | Philips |
| 1559157 | TDA1552Q | 2 x 22 W BTL stereo car radio power amplifier | Philips |
| 1559158 | TDA1552Q/N4 | TDA1552Q; 2 x 22 W BTL stereo car radio power amplifier | Philips |
| 1559159 | TDA1553 | 2 x 22 W stereo BTL car radio power amplifier with loudspeaker protection and 3-state mode switch | Philips |
| 1559160 | TDA1553 | 2 x 22 W BTL stereo car radio power amplifier with loudspeaker protection | Philips |
