TDA9882TS/V1,118 NXP Semiconductors, TDA9882TS/V1,118 Datasheet

TDA9882TS/V1,118

Manufacturer Part Number

TDA9882TS/V1,118

Description

IC IF-PLL DEMOD 24-SSOP

Manufacturer

NXP Semiconductors

Type

Demodulatorr

Datasheet

1.TDA9882TSV1118.pdf (45 pages)

Specifications of TDA9882TS/V1,118

Package / Case

Applications

Set-Top Boxes

Mounting Type

Surface Mount

Mounting Style

SMD/SMT

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

935273911118
TDA9882TS/V1-T
TDA9882TS/V1-T

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1. General description

2. Features

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.

TDA9882

Alignment-free multistandard vision and QSS FM sound

IF PLL demodulator

Rev. 01 — 16 November 2004

5 V supply voltage

Gain controlled wideband Vision Intermediate Frequency (VIF) ampliﬁer; AC-coupled

Multistandard true synchronous demodulation with active carrier regeneration: very

linear demodulation, good intermodulation ﬁgures, reduced harmonics and excellent

pulse response

Gated phase detector for L and L-accent standard

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

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)

4 MHz reference frequency input signal from Phase-Locked Loop (PLL) tuning system

or operating as crystal oscillator

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

VIF AGC monitor output at pin VAGC

Precise fully digital Automatic Frequency Control (AFC) detector with 4-bit

digital-to-analog converter

TakeOver Point (TOP) adjustable with potentiometer

Fully integrated sound carrier trap for 4.5 MHz, 5.5 MHz, 6.0 MHz and 6.5 MHz;

controlled by FM PLL oscillator

Sound IF (SIF) input for single reference Quasi Split Sound (QSS) mode; PLL

controlled

SIF AGC for gain controlled SIF ampliﬁer; single reference QSS mixer able to operate

in high performance single reference QSS mode

AM sound demodulator without extra reference circuit

Alignment-free selective FM PLL demodulator with high linearity and low noise.

Product data sheet

Related parts for TDA9882TS/V1,118

TDA9882TS/V1,118 Summary of contents

Page 1

TDA9882 Alignment-free multistandard vision and QSS FM sound IF PLL demodulator Rev. 01 — 16 November 2004 1. General description The TDA9882 is an alignment-free multistandard (PAL, SECAM and NTSC) vision and sound IF signal PLL demodulator for positive and ...

Page 2

Philips Semiconductors 3. Applications TV, VTR, PC and Set-Top Box (STB) applications. 4. Quick reference data Table 1: Quick reference data Symbol Parameter V supply voltage P I supply current P Video part V VIF input voltage sensitivity i(VIF)(rms) (RMS ...

Page 3

Philips Semiconductors Table 1: Quick reference data Symbol Parameter bandwidth AF( 3dB) S/N weighted signal-to-noise ratio of W(AF) audio signal AM suppression of AM(sup) FM demodulator PSRR power supply ripple rejection on AUD pin AUD V ...

Page 4

TOP TAGC CAGC VAGC 9 (8) 14 (15) 16 (17) 22 (24) C AGC C BL TUNER AGC VIF AGC VIF2 2 (31) VIF PLL VIF1 1 (30) SINGLE REFERENCE QSS MIXER SIF2 24 (27) AND AM DEMODULATOR SIF1 23 ...

Page 5

Philips Semiconductors 7. Pinning information 7.1 Pinning VIF1 1 VIF2 2 3 i.c. FMPLL 4 DEEM 5 6 AFD TDA9882TS 7 DGND AUD 8 TOP 9 10 FM1 FM0 11 QSSO 12 Fig 2. Pin conﬁguration for SSOP24. 9397 750 ...

Page 6

Philips Semiconductors 7.2 Pin description Table 3: Symbol VIF1 VIF2 n.c. i.c. FMPLL DEEM AFD DGND n.c. AUD TOP FM1 FM0 QSSO n.c. n.c. VIF0 TAGC REF CAGC CVBS n.c. AGND VPLL V P AFC VAGC n.c. SIF1 SIF2 n.c. ...

Page 7

Philips Semiconductors 8. Functional description A simpliﬁed block diagram of the device is illustrated in following functional blocks: 1. VIF ampliﬁer 2. Tuner AGC and VIF AGC 3. VIF AGC detector 4. Frequency Phase-Locked Loop (FPLL) detector 5. VCO and ...

Page 8

Philips Semiconductors For positive modulation, the white peak level voltage is compared with a reference voltage (nominal white level comparator which charges (fast) or discharges (slow) the external AGC capacitor directly for the generation of the required VIF ...

Page 9

Philips Semiconductors The in-window and out-window control at the FM PLL can additionally be used to mute the audio stage (if auto mute is selected via pins SIF1 and SIF2); see The principle working of the digital acquisition help circuit ...

Page 10

Philips Semiconductors 8.9 SIF ampliﬁer The SIF ampliﬁer consists of three AC-coupled differential stages. Gain control is performed by emitter degeneration. The total gain control range is typical 66 dB. The differential input impedance is typical parallel ...

Page 11

Philips Semiconductors The intercarrier signal from the single reference QSS mixer is fed to the input of an AC-coupled gain controlled ampliﬁer with two stages. The gain controlled output signal is fed to the phase detector of the narrow-band FM ...

Page 12

Philips Semiconductors 8.15 Internal voltage stabilizer The band gap circuit internally generates a voltage of approximately 2.4 V, independent of the supply voltage and the temperature. A voltage regulator circuit, connected to this voltage, produces a constant voltage of 3.55 ...

Page 13

Philips Semiconductors 9. Limiting values Table 7: Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter V supply voltage P V voltage on n all pins except AGND, DGND and TAGC pin TAGC t short-circuit ...