AN5829S

ICs for TV AN5829S Sound multiplex decoder IC for the U.S. televisions s Overview 0.4±0.25 0.45 Unit: mm 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 The AN5829S is a multiplex sound demodulation IC dedicated to the U.S. television and incorporates a bidirectional I2C interface (adjustment, mode SW), an AGC circuit and external stereo input switches (2 systems). Stereo demodulation, SAP demodulation, dbx noise reduction, AGC, external stereo input SW and I2C bus interface are integrated in a single chip Bi-directional I2C bus makes it possible to monitor MPX input level, separation adjustment (3 places), mode changeover and receiving status. Eliminated external parts (multi-sound block: 21 pieces → 14 pieces Lower power dissipation (VCC = 5 V, ITOT = 18 mA) 0.1±0.1 1.27 s Features 0.3 7.2±0.3 9.4±0.3 SOP024-P-0375A s Applications Televisions and VCRs for the North American market 0.15 0.925 2.0±0.2 15.3±0.3 1 2 R out L out 4 1 AN5829S GND s Block Diagram VCC 7 17 16 15 Out SW I2C Decoder Offset cancel Matrix AGC DAC 21 22 ZAP 18 19 20 PE SCL SDA L+R demod L+R filter Pilot det. 75 µs De-emph. 24 23 2 3 L−R demod Wide band expand L−R filter Offset cancel 5 Wide band RMS det. Wide band filter 8 6 SAP det. Noise det. Spectral expand Spectral RMS det. Spectral filter 11 10 (L−R)/SAP switch dbx De-emph. fH, 2fH Trap filter 13 12 AUX2 L AUX2 R AUX1 L AUX1 R St. PLL Pilot cancel Stereo filter MPX in SAP demod SAP out...