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TDA9882 Dataheets PDF



Part Number TDA9882
Manufacturers NXP
Logo NXP
Description Alignment-free multistandard vision and QSS FM sound IF PLL demodulator
Datasheet TDA9882 DatasheetTDA9882 Datasheet (PDF)

TDA9882 Rev. 01 — 16 November 2004 www.DataSheet4U.com Alignment-free multistandard vision and QSS FM sound IF PLL demodulator Product data sheet 1. General description The TDA9882 is an alignment-free multistandard (PAL, SECAM and NTSC) vision and sound IF signal PLL demodulator for positive and negative modulation, including Quasi Split Sound (QSS) FM and AM sound processing. 2. Features s 5 V supply voltage s Gain controlled wideband Vision Intermediate Frequency (VIF) amplifier; AC-couple.

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TDA9882 Rev. 01 — 16 November 2004 www.DataSheet4U.com Alignment-free multistandard vision and QSS FM sound IF PLL demodulator Product data sheet 1. General description The TDA9882 is an alignment-free multistandard (PAL, SECAM and NTSC) vision and sound IF signal PLL demodulator for positive and negative modulation, including Quasi Split Sound (QSS) FM and AM sound processing. 2. Features s 5 V supply voltage s Gain controlled wideband Vision Intermediate Frequency (VIF) amplifier; AC-coupled s Multistandard true synchronous demodulation with active carrier regeneration: very linear demodulation, good intermodulation figures, reduced harmonics and excellent pulse response s Gated phase detector for L and L-accent standard s Fully integrated VIF Voltage Controlled Oscillator (VCO), alignment-free, frequencies switchable via logic pin VIF0 and pin QSSO with resistor for negative and positive modulated standards s Digital acquisition help circuit, VIF frequencies of 38.9 MHz and 45.75 MHz (negative modulation); 38.9 MHz and 33.9 MHz (positive modulation) s 4 MHz reference frequency input signal from Phase-Locked Loop (PLL) tuning system or operating as crystal oscillator s VIF Automatic Gain Control (AGC) detector for gain control; operating as peak sync detector for negative modulated signals and as a peak white detector for positive modulated signals s VIF AGC monitor output at pin VAGC s Precise fully digital Automatic Frequency Control (AFC) detector with 4-bit digital-to-analog converter s TakeOver Point (TOP) adjustable with potentiometer s Fully integrated sound carrier trap for 4.5 MHz, 5.5 MHz, 6.0 MHz and 6.5 MHz; controlled by FM PLL oscillator s Sound IF (SIF) input for single reference Quasi Split Sound (QSS) mode; PLL controlled s SIF AGC for gain controlled SIF amplifier; single reference QSS mixer able to operate in high performance single reference QSS mode s AM sound demodulator without extra reference circuit s Alignment-free selective FM PLL demodulator with high linearity and low noise. Philips Semiconductors TDA9882 Multistandard vision and QSS FM sound IF PLL demodulator www.DataSheet4U.com 3. Applications s TV, VTR, PC and Set-Top Box (STB) applications. 4. Quick reference data Table 1: Symbol VP IP Video part Vi(VIF)(rms) GVIF(cr) fVIF VIF input voltage sensitivity (RMS value) VIF gain control range vision carrier operating frequencies −1 dB video at output see Figure 6 see Table 4 60 ∆fVIF Vo(video)(p-p) Gdif VIF frequency window of digital acquisition help video signal output voltage (peak-to-peak value) differential gain related to fVIF; see Figure 9 see Figure 4 1.7 [3] Quick reference data Parameter supply voltage supply current Conditions [1] [2] Min 4.5 52 Typ 5.0 63 60 66 33.9 38.9 45.75 ±2.3 2.0 Max 5.5 70 100 2.3 Unit V mA µV dB MHz MHz MHz MHz V “CCIR 330” B/G standard L standard [4] [4] [4] [4] 2 4.05 5.00 5.50 5.95 36 36 - 5 7 4 - % % deg MHz MHz MHz MHz dB dB dB ϕdif differential phase “CCIR 330” Bvideo(−3dB)(trap) −3 dB video bandwidth including ftrap = 4.5 MHz sound carrier trap ftrap = 5.5 MHz ftrap = 6.0 MHz ftrap = 6.5 MHz αSC1 S/NW(video) trap attenuation at first sound carrier M/N standard B/G standard 3.95 4.90 5.40 5.50 26 26 weighted signal-to-noise ratio of weighted in accordance video signal with “CCIR 567”; see Figure 10 power supply ripple rejection at pin CVBS AFC control steepness AF output voltage (RMS value) fripple = 70 Hz; see Figure 5 definition: ∆IAFC/∆fVIF 27 kHz FM deviation; 50 µs de-emphasis 54 % AM modulation FM: 27 kHz FM deviation; 50 µs de-emphasis AM: m = 54 % [5] 55 PSRRCVBS AFCstps Audio part Vo(AF)(rms) [6] 20 0.85 430 400 - 25 1.05 540 500 0.15 0.5 1.25 650 600 0.50 1.0 dB µA/kHz mV mV % % THD total harmonic distortion of audio signal 9397 750 13507 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. Product data sheet Rev. 01 — 16 November 2004 2 of 45 Philips Semiconductors TDA9882 Multistandard vision and QSS FM sound IF PLL demodulator www.DataSheet4U.com Table 1: Symbol BAF(−3dB) Quick reference data …continued Parameter −3 dB AF bandwidth Conditions without de-emphasis; dependent on FM PLL filter Min 80 Typ 100 Max Unit kHz S/NW(AF) weighted signal-to-noise ratio of FM: 27 kHz FM deviation; audio signal 50 µs de-emphasis; vision carrier unmodulated AM: m = 54 % AM suppression of FM demodulator 50 µs de-emphasis; AM: f = 1 kHz and m = 54 %; referenced to 27 kHz FM deviation 52 56 - dB 45 40 50 46 - dB dB αAM(sup) PSRRAUD power supply ripple rejection on fripple = 70 Hz; pin AUD see Figure 5 for AM for FM 20 14 90 26 20 140 210 dB dB mV Vo(intc)(rms) IF intercarrier output level (RMS value) reference signal frequency reference signal voltage (RMS value) SC1; SC2 off Reference frequency fref Vref(rms) [7] 80 4 - 400 MHz mV operation as input terminal [1] [2] [3] [4] [5] [6] [7] Values of video and sound parameters can be decreased at VP = 4.5 V. The time con.


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