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AN5829

Panasonic Semiconductor
Part Number AN5829
Manufacturer Panasonic Semiconductor
Description Sound multiplex decoder
Published Mar 26, 2005
Detailed Description ICs for TV AN5819K Sound multiplex demodulator IC for TV in the North American market s Overview The AN5819K is a singl...
Datasheet PDF File AN5829 PDF File

AN5829
AN5829

Overview
ICs for TV AN5819K Sound multiplex demodulator IC for TV in the North American market s Overview The AN5819K is a single chip IC, which includes a sound multiplex demodulator for Zenith TV system and the dbx TV sound noise reduction function.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 Unit: mm 0.
5±0.
1 4.
8±0.
25 +0.
1 s Features • Stereo demodulation, SAP demodulation and dbx noise reduction are integrated into a single chip • Enabling various kinds of adjustment and mode changeover thanks to I2C bus • Built-in input volume (I2C control) for interface with intermediate frequency processing IC 26.
7±0.
3 8.
4±0.
3 1.
05±0.
25 3.
05±0.
25 s Applications • TV and VCR for the North American market (A licensing agreement with THAT Corporation is necessary in order to use this IC with built-in dbx-TV noise reduction function.
) 3° to 15° 10.
16±0.
25 0.
3 –0.
05 SDIP028-P-0400B s Block Diagram VCC 9 V Stereo R-out L-out GND 21 10 17 26 25 8 7 6 5 Pilot det.
Matrix LED driver I2C decoder 2 3 SDA 11 Stereo filter St.
PLL L+R demod.
L−R demod.
SAP filter Noise filter V-reg.
I-reg.
13 14 28 27 9 SAP demod.
SAP noise det.
(L−R)/SAP switch 15 dbx de-emph.
1 16 L+R filter L−R filter SAP out filter 75 µs de-emph.
4 SAP SCL 1 I2C GND dbx de-emph.
2 dbx wide band dbx spectral Wide band filter Spectral filter 22 23 20 19 18 24 MPX in 12 Input VCA 1.
778 0.
9±0.
25 1 AN5819K s Pin Descriptions Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 I2C GND Description Pin No.
15 16 17 18 19 20 21 22 23 24 25 26 27 28 Description ICs for TV (L−R)/SAP demodulation output dbx input (L+R) demodulation output offset cancel Spectral level adjustment Spectral timing Spectral level sensor input GND Wide band level sensor input Wide band timing dbx offset cancel R output L output SAP carrier detection SAP noise level detection SDA SCL SAP LED Stereo LED Pilot signal detection Stereo PLL filter VCC SAP trap filter Quasi sine-wave filter Stereo filter off...


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