TDA8822T

Manufacturer Part NumberTDA8822T
DescriptionUniversal I2C-bus programmable RF modulator
ManufacturerPHILIPS [NXP Semiconductors]
TDA8822T datasheet
 


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DATA SHEET
TDA8822
Universal I
RF modulator
Preliminary specification
File under Integrated Circuits, IC02
INTEGRATED CIRCUITS
2
C-bus programmable
1997 Jan 08

TDA8822T Summary of contents

  • Page 1

    DATA SHEET TDA8822 Universal I RF modulator Preliminary specification File under Integrated Circuits, IC02 INTEGRATED CIRCUITS 2 C-bus programmable 1997 Jan 08 ...

  • Page 2

    ... Video recorders Cable converters Satellite receivers Set top boxes. ORDERING INFORMATION TYPE NUMBER NAME TDA8822T SO24 plastic small outline package; 24 leads; body width 7.5 mm TDA8822M SSOP24 plastic shrink small outline package; 24 leads; body width 5.3 mm 1997 Jan 08 GENERAL DESCRIPTION The TDA8822 is a programmable modulator which ...

  • Page 3

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator QUICK REFERENCE DATA PAL B/G, PAL I, PAL D/K or NTSC; MD setting = 4; DEV setting = 2; CCA ...

  • Page 4

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator BLOCK DIAGRAM VIDEO handbook, full pagewidth 24 CLAMP VIDEO AMP. 21 NICAM NICAM AMP. 22 AUDIO AUDIO AMP. DEV setting 3 PREEMPH test AUDIO 2 ACP CHARGE PUMP 14 SCL 15 ...

  • Page 5

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator PINNING SYMBOL PIN DESCRIPTION V 1 analog power supply CCA ACP 2 audio charge pump output PREEMPH 3 audio pre-emphasis network RFOSCA 4 RF oscillator A (collector) output RFOSCB 5 RF ...

  • Page 6

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator FUNCTIONAL DESCRIPTION The TDA8822 is a programmable RF modulator which can be divided into the following parts: Video part Audio part RF part. Video part The video part provides the following: ...

  • Page 7

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator Audio part The audio part provides the following: The sound subcarrier is created in an integrated VCO. The signal at the output of this VCO is fed to a stage that ...

  • Page 8

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator Table 4 Picture-to-sound ratio setting (typical values) PS SETTING part The RF part provides the following: The RF oscillator can produce any ...

  • Page 9

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator T0 is set to logic 1, RF0 is set to logic 1, TPSG is set to logic 1 and P0 is set to logic 0 to select the video high impedance ...

  • Page 10

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator Table 6 RF oscillator on/off setting (see note 1) STATE OF RF0 0 1 Note 1. This table is valid only if bit TPSG is set to logic 0. Table 7 ...

  • Page 11

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator Table 9 Overview of the test modes T0 RF0 TPSG ...

  • Page 12

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator Example of programming We want to program the TDA8822 in a UHF application, on channel 21 (picture carrier at 471.25 MHz B/G standard (sound carrier at 5.5 MHz from ...

  • Page 13

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL V analog supply voltage CCA V digital supply voltage CCD V operating supply voltage CC V maximum voltage ...

  • Page 14

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator CHARACTERISTICS PAL B/G, PAL I, PAL D/K, or NTSC; MD setting = 4; DEV setting = 2; CCA CCD amb ...

  • Page 15

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator SYMBOL PARAMETER NICAM characteristics Z NICAM input impedance NICAM P/N level between picture carrier and NICAM carrier f frequency response of the NICAM NICAM input BER bit error rate EHD eye-height ...

  • Page 16

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator SYMBOL PARAMETER XTAL characteristics |Z | XTAL input impedance XTAL Output Port characteristics V low voltage PORT I off-state leakage current PORT(lk) I sinking current in the port PORT(sink) TPSG pin ...

  • Page 17

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator 6. Measured with no pre-emphasis on the audio input and no de-emphasis in the receiver. Measurement is done for frequencies between 50 Hz and 15 kHz, reference is the level measured ...

  • Page 18

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator handbook, full pagewidth handbook, full pagewidth 1997 Jan Fig.4 CCIR insertion line ...

  • Page 19

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator INTERNAL PIN CONFIGURATION handbook, full pagewidth 1 V CCA 2 ACP 3 PREEMPH 4 RFOSCA 5 RFOSCB 6 OGND 7 RFOSCC 8 RFOSCD 9 VVT 10 VCP 11 V CCD 12 ...

  • Page 20

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator APPLICATION INFORMATION SCL SDA C21 NICAM 1 nF R21 C22 51 220 pF R27 AUDIO 220 k C24 R24 VIDEO 470 100 nF VIDEO R26 R25 82 470 ...

  • Page 21

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator Application design In the design of the application highly recommended to separate the part of the RF oscillator as much as possible from the part of the RF outputs ...

  • Page 22

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator TPSG input/output (pin 17) As already mentioned, this pin can be used either as an input output input, it allows to turn on the TPSG, without ...

  • Page 23

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator handbook, halfpage RFGND 20 C19 RFA RFA 19 100 pF R15 C18 RFB RFB 18 100 pF TPSG R15 SDA 15 SDA 270 R14 SCL 14 SCL 270 ...

  • Page 24

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator PACKAGE OUTLINES SO24: plastic small outline package; 24 leads; body width 7 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) ...

  • Page 25

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator SSOP24: plastic shrink small outline package; 24 leads; body width 5 pin 1 index 1 e DIMENSIONS (mm are the original dimensions) A UNIT ...

  • Page 26

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. ...

  • Page 27

    Philips Semiconductors 2 Universal I C-bus programmable RF modulator DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. ...

  • Page 28

    Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. + ...