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TDA1548TZ 데이터시트(PDF) 4 Page - NXP Semiconductors |
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TDA1548TZ 데이터시트(HTML) 4 Page - NXP Semiconductors |
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4 / 20 page ![]() 1995 Nov 15 4 Philips Semiconductors Product specification Bitstream continuous calibration filter-DAC with headphone driver and DSP TDA1548T BLOCK DIAGRAM Fig.1 Block diagram. handbook, full pagewidth 16 (4-bit) CALIBRATED CURRENT SOURCES 16 (4-bit) CALIBRATED CURRENT SINKS LEFT OUTPUT SWITCHES 16 (4-bit) CALIBRATED CURRENT SOURCES 16 (4-bit) CALIBRATED CURRENT SINKS RIGHT OUTPUT SWITCHES REFERENCE SOURCE 2nd ORDER NOISE SHAPER DATA ENCODER 2nd ORDER NOISE SHAPER DATA ENCODER 8 x OVERSAMPLING (SAMPLE-AND-HOLD) 8 x OVERSAMPLING (SAMPLE-AND-HOLD) LINEAR INTERPOLATOR FILTER STAGE 2 FILTER STAGE 1 SOUND CONTROL SERIAL DATA INPUT SOFT MUTE CONTROL VOLUME CONTROL − + VOLUME AND SOUND CONTROL V DDA V DDA V SSA V SSA V SSA Vref 10 µF OP4 − + OP2 − OP3 OP1 6 k Ω 6 k Ω 1 fs 2 fs 4 fs 8 fs − + TIMING MUTE DEEM AD3S ADVC ADBB ADTR ADref IF1 IF2 DATA WS BCK 13 12 SYSCLK CLSEL 17 5 MODE0 MODE1 6 11 V SSD V DDD R CONV2 10 26 R CONV1 1.2 k Ω 1.2 k Ω FILTCR FILTCL VOR 1.8 nF CEXT2 VOL 1.8 nF CEXT1 27 24 MGC668 14 9 8 7 16 15 22 21 20 19 18 TDA1548T 23 2 28 1 25 3 4 V SSO V SSA V DDO V DDA V COM |
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