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TDA9851 Dataheets PDF



Part Number TDA9851
Manufacturers NXP
Logo NXP
Description I2C-bus controlled economic BTSC stereo decoder
Datasheet TDA9851 DatasheetTDA9851 Datasheet (PDF)

INTEGRATED CIRCUITS DATA SHEET TDA9851 I2C-bus controlled economic BTSC stereo decoder Product specification File under Integrated Circuits, IC02 1997 Nov 12 Philips Semiconductors Product specification I2C-bus controlled economic BTSC stereo decoder FEATURES • Voltage Controlled Amplifier (VCA) noise reduction circuit • Stereo or mono selectable at the AF outputs • Stereo pilot PLL circuit with ceramic resonator • Automatic pilot cancellation • Automatic Volume Level (AVL) control (+6 to −15.

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INTEGRATED CIRCUITS DATA SHEET TDA9851 I2C-bus controlled economic BTSC stereo decoder Product specification File under Integrated Circuits, IC02 1997 Nov 12 Philips Semiconductors Product specification I2C-bus controlled economic BTSC stereo decoder FEATURES • Voltage Controlled Amplifier (VCA) noise reduction circuit • Stereo or mono selectable at the AF outputs • Stereo pilot PLL circuit with ceramic resonator • Automatic pilot cancellation • Automatic Volume Level (AVL) control (+6 to −15 dB) • I2C-bus transceiver. GENERAL DESCRIPTION The TDA9851 is a bipolar-integrated BTSC stereo decoder for application in TV sets, VCRs and multimedia PCs. QUICK REFERENCE DATA SYMBOL VCC ICC Vo(rms) PARAMETER supply voltage supply current output voltage (RMS value) composite input voltage 250 mV (RMS) for 100% modulation L + R (25 kHz deviation); fmod = 300 Hz 14% modulation; fL = 300 Hz; fR = 3 kHz 100% modulation L or R; fmod = 1 kHz mono mode; referenced to 500 mV output signal CCIR 468-2 weighted; quasi peak DIN noise weighting filter (RMS value) ORDERING INFORMATION PACKAGE TYPE NUMBER NAME TDA9851 TDA9851T SDIP24 SO24 DESCRIPTION plastic shrink dual in-line package; 24 leads (400 mil) plastic small outline package; 24 leads; body width 7.5 mm 50 − 60 73 CONDITIONS MIN. 8 − − TYP. 9 30 500 TDA9851 MAX. 9.5 40 − UNIT V mA mV αcsL,R THDL,R S/N stereo channel separation L and R total harmonic distortion L and R signal-to-noise ratio − − 20 0.2 − 1.0 dB % − − dB dBA VERSION SOT234-1 SOT137-1 1997 Nov 12 2 book, full pagewidth 1997 Nov 12 C3 C4 C6 n.c. CP2 CER 4 8 12 13 9 11 16 6 3 CPH CMO CAV CSS R1 Q1 C5 C7 L+R DEMATRIX AND MODE SELECT AUTOMATIC VOLUME LEVEL OUTL OUTR L−R BLOCK DIAGRAM Philips Semiconductors C2 CP1 5 composite baseband input COMP 7 STEREO DECODER C1 FDI 21 TDA9851 24 SUPPLY I2C-BUS TRANSCEIVER I2C-bus controlled economic BTSC stereo decoder 3 FILTER AND REFERENCE 18 CW C11 VCC C13 C14 C15 TW VCAP AGND Vref 17 2 15 22 14 10 RFR R4 R2 SDA 1 FDO 20 DETECTOR AND VOLTAGE CONTROLLED AMPLIFIER SCL R3 23 DGND 19 C9 BPU C10 MHA969 Product specification TDA9851 Fig.1 Block diagram. Philips Semiconductors Product specification I2C-bus controlled economic BTSC stereo decoder TDA9851 Component list Electrolytic capacitors ±20%; foil capacitors ±10%; resistors ±5%; unless otherwise specified; see Fig.1. COMPONENT C1 C2 C3 C4 C5 C6 C7 C9 C10 C11 C13 C14 C15 R1 R2 R3 R4 Q1 VALUE 2.2 µF 220 nF 2.2 µF 220 nF 2.2 µF 2.2 µF 4.7 µF 22 nF 4.7 nF 1 µF 10 µF 100 µF 100 µF 3.3 kΩ 15 kΩ 1.3 kΩ 100 kΩ CSB503F58 CSB503JF958 radial leads alternative as SMD foil electrolytic foil electrolytic electrolytic electrolytic foil foil electrolytic electrolytic electrolytic electrolytic 63 V 63 V 16 V 16 V 63 V 63 V 63 V ±10% 63 V TYPE electrolytic 63 V REMARK 1997 Nov 12 4 Philips Semiconductors Product specification I2C-bus controlled economic BTSC stereo decoder PINNING SYMBOL PIN SCL VCC CPH CER CP1 CP2 COMP CMO CSS RF.


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