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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TDA8421 датащи(PDF) 7 Page - NXP Semiconductors |
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TDA8421 датащи(HTML) 7 Page - NXP Semiconductors |
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7 / 26 page  May 1988 7 Philips Semiconductors Product specification Hi-fi stereo audio processor; I2C bus TDA8421 Truth tables Truth tables for the switch functions Table 3 Input selector function IS IN1 0 IN2 1 Table 4 Mode selectors mode CH1 CH2 ML0 ML1 MH0 MH1 stereo 1 1 1 1 sound A 1 0 1 0 sound B 0 1 0 1 ---------- 0 0 0 0 Table 5 Stereo/pseudo stereo/spatial stereo choise STL EFL spatial 1 1 stereo 1 0 pseudo 0 1 ----------- 0 0 Table 6 Mute Notes 1. Attenuation ≥ 90 dB; POR = Power-On Reset. mute MU active; automatic after POR(1) 1 not active 0 Table 7 Output for external switch EXSN EXS ground 1 open collector 0 Truth tables for the volume base and treble controls. Table 8 Volume control Note 1. The values of CH1 and CH2 are in 2 dB/step measured in dBs. CH1 CH2 V × 5V × 4V × 3V × 2V × 1V × 0 16 0 111111 14 −2 ⋅⋅⋅⋅⋅⋅ ⋅ ⋅ ⋅⋅⋅⋅⋅⋅ ⋅ ⋅ ⋅⋅⋅⋅⋅⋅ ⋅ ⋅ ⋅⋅⋅⋅⋅⋅ −46 −62 100000 −48 ≤−90 011111 ⋅ ⋅ ⋅⋅⋅⋅⋅⋅ −62 ≤−90 011000 ≤−90 ≤−90 010111 ⋅ ⋅ ⋅⋅⋅⋅⋅⋅ ⋅ ⋅ ⋅⋅⋅⋅⋅⋅ ⋅ ⋅ ⋅⋅⋅⋅⋅⋅ ≤−90 ≤−90 000000 |
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