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Philips TDA8443A manual

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  • Page 1

    DA T A SH EET Product specification Supersedes data of November 1992 File under Integrated Circuits, IC02 1995 Mar 07 INTEGRA TED CIRCUITS Philips Semiconductors TDA8443A I 2 C-bus controlled YUV/RGB switch[...]

  • Page 2

    1995 Mar 07 2 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A FEA TURES • Two RGB/YUV selectable clamped inputs with associated synchronization • RGB/YUV matrix • 3-state switching with an OFF-state • Selectable gain • I 2 C-bus or non-I 2 C-bus mode • Address selection for 7 devices • Fast s[...]

  • Page 3

    1995 Mar 07 3 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A BLOCK DIAGRAM Fig.1 Block diagram. handbook, full pagewidth MLD003 A4 A3 A2 A1 I C-BUS INTERFACE/ DECODER 2 20 21 23 19 22 18 17 16 15 14 13 24 B3 B2 B1 MATRIX RGB/YUV CLAMP CLAMP CLAMP CLAMP PULSE GENERATOR CLAMP CLAMP CLAMP 2 4 5 6 7 [...]

  • Page 4

    1995 Mar 07 4 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A PINNING SYMBOL PIN DESCRIPTION SEL 1 select input (non-I 2 C-bus mode only) SYNC2 2 synchronization input for Channel 2 FS 3 fast switching input R/ ± (R − Y)IN 4 R or (R − Y) signal input G/Y IN 5 G or Y signal input B/ ± (B − Y)IN 6 B [...]

  • Page 5

    1995 Mar 07 5 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A FUNCTIONAL DESCRIPTION The circuit contains two sets of inputs (see Fig.1). Both channels can receive RGB or YUV signals. Each set of inputs has its own synchronization input, which internally generates a pulse to clamp the inputs. The internal [...]

  • Page 6

    1995 Mar 07 6 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A T able 2 Address selection Notes 1. L = LOW level input voltage. 2. H = HIGH level input voltage. 3. ∗ = non-I 2 C-bus operation. T able 3 Mode control bits D7 and D6 T able 4 Gain setting (see also T able 9) Matrix equations The relationship [...]

  • Page 7

    1995 Mar 07 7 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A T able 5 Priority/fast switching bit D2 Note 1. X = don't care. D2 F AST SWITCHING (PIN 3) MODE 0X (1) 0 to 2, depending on D7, D6 1 0.4 V 2 T able 6 Output state control bits Note 1. X = don't care. D1 D0 PIN 9 FUNCTION 0X (1) X (1) O[...]

  • Page 8

    1995 Mar 07 8 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A LIMITING V ALUES In accordance with the Absolute Maximum System (IEC 134). CHARACTERISTICS V P = 12 V ; T amb =2 5 ° C; unless otherwise specified. SYMBOL P ARAMETER MIN. MAX. UNIT V P supply voltage (pin 18) − 14 V V I(SDA) input voltage (p[...]

  • Page 9

    1995 Mar 07 9 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A G diff(p-p) dif ferential gain at nominal output signals (peak-to-peak value) R − Y = 1.05 V (p-p) −− 10 % B − Y = 1.33 V (p-p) −− 10 % Y = 0.34 V (p-p) −− 10 % S/N signal-to-noise ratio nominal input; B = 5 MHz; note 2 50 −−[...]

  • Page 10

    1995 Mar 07 10 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A Notes 1. Crosstalk is defined as the unwanted data transfer from an output, driven at nominal level, to other inputs and outputs on the IC and is expressed as a ratio in dBs. 2. Signal-to-noise ratio = 3. Supply voltage ripple rejection = Selec[...]

  • Page 11

    1995 Mar 07 11 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A TIMING CHARACTERISTICS I 2 C-bus load conditions: 4 k Ω pull-up resistor to +5 V ; 200 pF capacitor to GND; all values are referenced to V IH = 3 V and V IL = 1.5 V ; see Fig.4. Note 1. Timing t HD;DAT deviates from the I 2 C-bus specificatio[...]

  • Page 12

    1995 Mar 07 12 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A Fig.5 Fast switching signal diagram. handbook, full pagewidth MLD006 fast switching input signal output signal (YUV) switching delay switching time 90 % 50 % 10 %[...]

  • Page 13

    1995 Mar 07 13 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A APPLICA TION INFORMA TION T able 10 Channel input/output information INPUT 1 INPUT 2 OUTPUT MODE D5 D4 D3 Y = 0.34 V − Y = 0.34 V 2111 U= − 1.33 V U = − 1.33 V V= − 1.05 V V = − 1.05 V S = 0.3 V S = 0.6 V − R = 0.75 V Y = 0.34 V 111[...]

  • Page 14

    1995 Mar 07 14 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A Fig.6 Application diagram (example). handbook, full pagewidth MLD007 1 nF 4.7 k Ω V P CLAMP 24 SYNC 23 GND 22 (R Y) 21 Y 20 (B Y) 19 18 S2 17 S1 16 S0 15 SCL 14 SDA 13 V P 1 2 3 4 5 6 7 8 9 10 11 12 4.7 µ F 47 nF 47 nF 47 nF 22 n[...]

  • Page 15

    1995 Mar 07 15 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A Input clamps The R, G, B respectively (R − Y), Y and (B − Y) video signals are AC-coupled to the IC where they are clamped on the black level. The timing information for this clamping action is derived from the associated synchronization si[...]

  • Page 16

    1995 Mar 07 16 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A P ACKAGE OUTLINE UNIT A max. 1 2 b 1 cD E e M H L REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ mm inches DIMENSIONS (inch dimensions are derived from the original mm dimensions) SOT101-1 92-11-17 95-01-23 A min. A ma[...]

  • Page 17

    1995 Mar 07 17 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A SOLDERING Plastic dual in-line packages B Y DIP OR W A VE The maximum permissible temperature of the solder is 260 ° C; this temperature must not be in contact with the joint for more than 5 s. The total contact time of successive solder waves[...]

  • Page 18

    1995 Mar 07 18 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A NOTES[...]

  • Page 19

    1995 Mar 07 19 Philips Semiconductors Product specification I 2 C-bus controlled YUV/RGB switch TDA8443A NOTES[...]

  • Page 20

    Philips Semiconductors Philips Semiconductors – a worldwide company Argentina: IEROD, Av. Juramento 1992 - 14.b, (1428) BUENOS AIRES, Tel. (541)786 7633, Fax. (541)786 9367 Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. (02)805 4455, Fax. (02)805 4466 Austria: Triester Str. 64, A-1101 WIEN, P.O. Box 213, Tel. (01)60 101-1236, Fax. (01)60[...]