TDA9881 Philips Semiconductors, TDA9881 Datasheet

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TDA9881

Manufacturer Part Number
TDA9881
Description
Alignment-free vision and FM sound IF PLL demodulator
Manufacturer
Philips Semiconductors
Datasheet

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1. General description
2. Features
3. Applications
The TDA9881 is an alignment-free multistandard (PAL and NTSC) vision and sound
IF signal PLL demodulator for negative modulation, including Quasi Split Sound (QSS) or
intercarrier FM processing.
TDA9881
Alignment-free vision and FM sound IF PLL demodulator for
negative modulated TV standards
Rev. 01 — 16 November 2004
5 V supply voltage
Gain controlled wideband Vision Intermediate Frequency (VIF) amplifier; AC-coupled
Multistandard true synchronous demodulation for negative modulated standards with
active carrier regeneration: very linear demodulation, good intermodulation figures,
reduced harmonics and excellent pulse response
Fully integrated VIF Voltage Controlled Oscillator (VCO), alignment-free, frequencies
switchable via logic pin VIF0 and pin QSSO with resistor
Digital acquisition help circuit, VIF frequencies of 38.0 MHz, 38.9 MHz, 45.75 MHz and
58.75 MHz
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
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 or in intercarrier mode; switchable via
SIF input pins
Alignment-free selective FM PLL demodulator with high linearity and low noise.
TV, VTR, PC and Set-Top Box (STB) applications.
Product data sheet
www.DataSheet4U.com

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TDA9881 Summary of contents

Page 1

... Alignment-free vision and FM sound IF PLL demodulator for negative modulated TV standards Rev. 01 — 16 November 2004 1. General description The TDA9881 is an alignment-free multistandard (PAL and NTSC) vision and sound IF signal PLL demodulator for negative modulation, including Quasi Split Sound (QSS) or intercarrier FM processing. 2. Features 5 V supply voltage Gain controlled wideband Vision Intermediate Frequency (VIF) amplifi ...

Page 2

... FM: 27 kHz FM deviation de-emphasis without de-emphasis; 80 dependent on FM PLL filter FM: 27 kHz FM deviation de-emphasis; vision carrier unmodulated 50 s de-emphasis kHz and referenced to 27 kHz FM deviation Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com Typ Max Unit 5.0 5 100 ...

Page 3

... the tolerance of video output and intercarrier output V Description plastic shrink small outline package; 24 leads; body width 5.3 mm plastic thermal enhanced very thin quad flat package; no leads; 32 terminals; body 5 5 0.85 mm Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com Min Typ Max Unit ...

Page 4

... SUPPLY SIF AGC C AGC 20 (22) 18 (20) 3 (1) 16 (17 AGND i.c. AMUTE0 VIF0 Pin numbers for TDA9881HN in parenthesis. Fig 1. Block diagram. external reference signal or 4 MHz crystal REF AFC 15 (16) 21 (23) RC VCO DIGITAL VCO CONTROL AFC DETECTOR SOUND TRAPS 4.5 MHz to 6.5 MHz ...

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... Fig 3. Pin configuration for HVQFN32. Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com 1 24 VAGC 2 23 AFC VPLL TDA9881HN 5 20 AGND CVBS 8 17 AMUTE0 001aab344 Transparent top view © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 6

... AGC output - 25 not connected 23 26 SIF differential input 1 and intercarrier mode select 24 27 SIF differential input 2 and intercarrier mode select - 28 not connected - 29 not connected Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 7

... AGC reaction time is fast, to cope with ‘aeroplane fluttering’. 9397 750 13417 Product data sheet Alignment-free vision and FM sound IF PLL demodulator Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com Figure 1. The device contains the © Koninklijke Philips Electronics N.V. 2004. All rights reserved. ...

Page 8

... Product data sheet Alignment-free vision and FM sound IF PLL demodulator Table 4. Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com Table 5. Table 6. © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 9

... IF amplitude step. 9397 750 13417 Product data sheet Alignment-free vision and FM sound IF PLL demodulator 8.8. The differential trap output signal is converted and amplified by the Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com Section 8.3) and © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 10

... The correct locking of the PLL is supported by the digital acquisition help circuit; see Section 8.6. 9397 750 13417 Product data sheet Alignment-free vision and FM sound IF PLL demodulator Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com Table 7. © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 11

... Product data sheet Alignment-free vision and FM sound IF PLL demodulator VIF frequency selection VIF0 pin open-circuit pin connected to ground Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com ), the AF preamplifi Table Table 6. Table 4 to Table 6 ...

Page 12

... Conditions supply voltage voltage on all pins except AGND, DGND and TAGC pin TAGC short-circuit time to ground storage temperature ambient temperature TDA9881TS (SSOP24) TDA9881HN (HVQFN32) electrostatic discharge human body voltage model machine model Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com FM carrier frequency ...

Page 13

... Philips Semiconductors 10. Thermal characteristics Table 9: Thermal characteristics Symbol Parameter R thermal resistance from junction to ambient th(j-a) TDA9881TS (SSOP24) TDA9881HN (HVQFN32) 11. Characteristics Table 10: Characteristics see Table 12 P amb f = 33.4 MHz; PC/ dB mod broadband transformer video modulation DSB; residual carrier for B video signal in accordance with “CCIR line 17 and line 330” ...

Page 14

... VIF1 and VIF2; maximum IF gain definition VIF VPLL definition VPLL VIF see Figure 4 [ gain control 30 dB gain control [6] “CCIR 330” ; B/G standard Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com = 38.9 MHz; PC Min Typ Max 120 140 - - 38 38 45. ...

Page 15

... load [10] [11 Hz; ripple see Figure 5 [12 4.5 MHz trap f = 4.5 MHz f = 4.5 MHz f = 4.724 MHz f = 4.724 MHz f = 3.58 MHz; see Figure 13 [12 5.5 MHz trap f = 5.5 MHz f = 5.5 MHz Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com = 38.9 MHz; PC Min Typ Max - ...

Page 16

... MHz; see Figure 15 [12 6.0 MHz trap f = 6.0 MHz f = 6.0 MHz f = 6.55 MHz f = 6.55 MHz f = 4.43 MHz [12 6.5 MHz trap f = 6.5 MHz f = 6.5 MHz f = 6.742 MHz f = 6.742 MHz f = 4.28 MHz [13 [13 Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com = 38.9 MHz; PC Min Typ Max 110 180 250 5.40 5. ...

Page 17

... TAGC no tuner gain reduction 8.8 V TAGC maximum tuner gain reduction TAGC tuner gain current from [14] [15] definition AFC VIF AFC MHz REF Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com = 38.9 MHz; PC Min Typ Max - 80 - 0 ...

Page 18

... Figure 8 [3] [3] increasing decreasing QSS mode off 1 2 [16] intercarrier mode; PC/ dB off 2 fundamental wave and harmonics fundamental wave and harmonics [3] [17] Table 4 Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com = 38.9 MHz; PC Min Typ Max - 320 ...

Page 19

... FM PLL filter of Figure 21 FM PLL only; 27 kHz FM deviation de-emphasis black picture; see Figure 18 fundamental wave and harmonics; without de-emphasis referenced to 27 kHz FM deviation de-emphasis; AM kHz Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com = 38.9 MHz; PC Min Typ Max 3.2 - 320 - - 2.3 - 4.5 ...

Page 20

... Figure 5 definition FMPLL definition FMPLL de-emphasis; see Table de-emphasis; see Table 5 = 400 Hz 500 mV FMSO dependent intercarrier frequency V < O(FMSO) [3] AC-coupled Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com = 38.9 MHz; PC Min Typ Max 1 ...

Page 21

... VIF2 > black picture white picture 6 kHz sine wave (black-to-white modulation) 250 kHz square wave (black-to-white modulation) sound carrier subharmonics 2.75 MHz 3 kHz sound carrier subharmonics 2.87 MHz 3 kHz Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com = 38.9 MHz; PC Min Typ Max 150 - - - - ...

Page 22

... MHz 3 kHz [3] operation as crystal oscillator [27] [28] [15] operation as input terminal operation as input terminal Table 4 to Table 6 for LOW level for HIGH level pin open-circuit; I < Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com = 38.9 MHz; PC Min Typ Max 2.3 2 ...

Page 23

... VIF1 and VIF2 in dB the tolerance of video output and intercarrier output V and Figure 21). 40 Hz. AF( 3dB) Rev. 01 — 16 November 2004 TDA9881 ------ - ; rad + 3.6 dB Figure . ...

Page 24

... SAW filter PC/ (RMS) sync level, 27 kHz FM deviation for sound i(SIF) C (pF) P 390 150 B/G standard 38.9 33.4 33.158 13 20 Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com A ------ - ; R is the loop resistor; C rad is the damping factor. ratio. This PC/SC ratio is necessary 5.6 0.5 9.1 0.5 M/N standard Unit 45.75 or 58.75 MHz 41 ...

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... Alignment-free vision and FM sound IF PLL demodulator video 2 V (p-p) 3.41 V 3.20 V 1. TDA9881 Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com zero carrier level white level black level sync level 001aab341 100 ripple t (s) 001aab339 © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 26

... TOP = TOP = TOP mhb159 5 V SAGC ( TOP Fig 8. Typical SIF AGC characteristic. Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com mhc116 I TAGC ( A) 600 500 400 300 200 100 0 120 (dB V) 001aab342 110 130 V (dB V) i(SIF) © ...

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... Philips Semiconductors AFC 21 V TDA9881 AFC (23 Pin numbers for TDA9881HN in parenthesis. Fig 9. Typical analog AFC characteristic. 80 S/N (dB Fig 10. Typical signal-to-noise ratio as a function of VIF input voltage. 9397 750 13417 Product data sheet ...

Page 28

... Fig 13. Typical group delay for sound trap at M/N standard. 9397 750 13417 Product data sheet Alignment-free vision and FM sound IF PLL demodulator 3 3 1.5 2 2.5 Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com mhc122 minimum requirements 4 (MHz) mhb167 ideal characteristic due to pre-correction in the transmitter minimum ...

Page 29

... Fig 15. Typical group delay for sound trap at B/G standard. 9397 750 13417 Product data sheet Alignment-free vision and FM sound IF PLL demodulator 5 5.5 6 1.5 2 2.5 3 Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com mhb168 minimum requirements 6 (MHz) mhb169 ideal characteristic due to pre-correction in the transmitter minimum requirements 3 ...

Page 30

... Product data sheet Alignment-free vision and FM sound IF PLL demodulator 4 4.5 5 5.5 Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com mhc123 minimum requirements 6 6 (MHz) mhb171 minimum requirements 6 6 (MHz) © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 31

... Fig 18. Audio signal-to-noise ratio as a function of picture-to-sound carrier ratio in intercarrier mode. 9397 750 13417 Product data sheet Alignment-free vision and FM sound IF PLL demodulator gain controlled operation of FM PLL Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com mhc118 (1) (2) ( PC/SC ratio © ...

Page 32

... TDA9881 www.DataSheet4U.com 001aab343 SAW insertion loss slip VIF AGC SAW insertion loss 20 dB VIF amplifier, demodulator VIF and video TDA9881 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. 10 video 2 V (p- signals RMS value ( (TOP ...

Page 33

... SAW 390 FILTER G3962 3 Pin numbers for TDA9881HN in parenthesis. (1) Optional measures to improve ESD performance within a TV-set application. (2) Internal connected; the pin must be left open-circuit. (3) AF output signal reduction; see Table note 19 of Section Fig 20. Application diagram of TDA9881. CVBS output ...

Page 34

... FM PLL Pin numbers for TDA9881HN in parenthesis. (1) Different VIF loop filter in comparison with the application circuit due to different input characteristics (SAW filter or transformer). (2) Internal connected; the pin must be left open-circuit. (3) AF output signal reduction; see Table note 19 of Section Fig 21 ...

Page 35

... Alignment-free vision and FM sound IF PLL demodulator 2 scale (1) ( 0.38 0.20 8.4 5.4 7.9 0.65 1.25 0.25 0.09 8.0 5.2 7.6 REFERENCES JEDEC JEITA MO-150 Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com detail 1.03 0.9 0.8 0.2 0.13 0.1 0.63 0.7 0.4 EUROPEAN ISSUE DATE PROJECTION 99-12-27 03-02-19 © ...

Page 36

... 2.5 scale (1) ( 3.75 5.1 3.75 0.5 3.5 3.5 3.45 4.9 3.45 REFERENCES JEDEC JEITA MO-220 - - - Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com detail 0.5 0.05 0.1 0.1 0.05 0.3 EUROPEAN ISSUE DATE PROJECTION 02-04-18 02-10-22 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. ...

Page 37

... Product data sheet Alignment-free vision and FM sound IF PLL demodulator 2 called small/thin packages. Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com 3 350 mm so called © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 38

... Suitability of surface mount IC packages for wave and reflow soldering methods [3] , LBGA, LFBGA, SQFP, , TFBGA, VFBGA, XSON [8] [9] [8] , PMFP , WQCCN.. measured in the atmosphere of the reflow oven. The package Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com Soldering method Wave Reflow not suitable suitable [4] not suitable suitable suitable ...

Page 39

... The appropriate soldering profile can be provided on request. [9] Hot bar soldering or manual soldering is suitable for PMFP packages. 9397 750 13417 Product data sheet Alignment-free vision and FM sound IF PLL demodulator Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 40

... Product data sheet Alignment-free vision and FM sound IF PLL demodulator Data sheet status Change notice Product data sheet - Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com Doc. number Supersedes 9397 750 13417 - © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 41

... Rev. 01 — 16 November 2004 TDA9881 www.DataSheet4U.com © Koninklijke Philips Electronics N.V. 2004. All rights reserved ...

Page 42

... No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Published in The Netherlands TDA9881 www.DataSheet4U.com Date of release: 16 November 2004 Document number: 9397 750 13417 ...

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