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AN5858

Panasonic Semiconductor
Part Number AN5858
Manufacturer Panasonic Semiconductor
Description Color-TV AV-Switch
Published Mar 26, 2005
Detailed Description 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...
Datasheet PDF File AN5858 PDF File

AN5858
AN5858

Overview
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 filter 14 Input VCA SAP filter Noise filter 9 ICs for TV ICs for TV s Pin Descriptions Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 AGC timing External input 1 L-ch External input 1 R-ch 75 µs filter offset cancel dbx offset cancel Wideband timing VCC Wideband level sensor input Spectral filter Spectral timing Spectral level sensor input SAP noise level detection Description Pin No.
13 14 15 16 17 18 19 20 21 22 23 24 Description SAP carrier detection Composite input Pilot signal detection Stereo ...


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