INTEGRATED CIRCUITS DATA SHEET TDA8540 4 × 4 video switch matrix Product specification Supersedes data of April 1993 File under Integrated Circuits, IC02 Philips Semiconductors 1995 Feb 06 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 FEATURES • I2C-bus or non-I2C-bus mode (controlled by DC voltages) • S-VHS or CVBS processing • 3-state switches for all channels • Selectable gain for the video channels • sub-address facility GENERAL DESCRIPTION • Slave receiver in the I2C mode The TDA8540 has been designed for switching between composite video signals, therefore the minimum of four input lines are provided as requested for switching between two S-VHS sources. Each of the four outputs can be set to a high impedance state, to enable parallel connection of several devices. • Auxiliary logic outputs for audio switching • System expansion possible up to 7 devices (28 sources) • Static short-circuit proof outputs • ESD protection. APPLICATIONS • Colour Television (CTV) receivers • Peritelevision sets • Satellite receivers. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VCC supply voltage 7.2 − 8.8 V ICC supply current − 20 30 mA ISO isolation ‘OFF’ state 60 80 − dB B 3 dB bandwidth 12 − − MHz αct crosstalk attenuation between channels 60 70 − dB at f = 5 MHz ORDERING INFORMATION PACKAGE TYPE NUMBER NAME TDA8540 DIP20 plastic dual in-line package; 20 leads (300 mil) SOT146-1 TDA8540T SO20 plastic small outline package; 20 leads; body width 7.5 mm SOT163-1 1995 Feb 06 DESCRIPTION 2 VERSION Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 BLOCK DIAGRAM handbook, full pagewidth VCC(D0,1) 15 SWITCH MATRIX IN3 IN2 IN1 IN0 AGND 4 12 PEAKCLAMP DRIVER 3 3 GAIN 10 PEAKCLAMP DRIVER 2 1 GAIN 8 PEAKCLAMP/ BIAS DRIVER 1 14 GAIN 6 PEAKCLAMP/ BIAS DRIVER 0 16 GAIN 2 CL0 to CL1 VCC DGND VCC(D2,3) 4 9 4 2 2 DECODER 1 OF 4 2 SUPPLY OUT2 OUT1 G0 to G3 4 2 EN0 to EN3 4 17 D1 I 2 C RECEIVER 2 power reset 11 7 5 18 19 MLA279 - 2 S0 S1 S2 SCL SDA Fig.1 Block diagram. 1995 Feb 06 OUT0 4 DECODER DECODER 1 OF 4 1 OF 4 TDA8540 13 20 4 DECODER 1 OF 4 OUT3 3 D0 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 PINNING SYMBOL PIN DESCRIPTION OUT2 1 video output 2 D0 2 control output 0 OUT3 3 video output 3 VCC(D2,3) 4 driver supply voltage; for drivers 2 and 3 S2 5 sub-address input 2 IN0 6 video input 0 (CVBS or chrominance signal) S1 7 sub-address input 1 IN1 8 video input 1 (CVBS or chrominance signal) AGND 9 analog ground IN2 10 video input 2 (CVBS or luminance signal) S0 11 sub-address input 0 IN3 12 video input 3 (CVBS or luminance signal) VCC 13 general supply voltage OUT1 14 video output 1 VCC(D0,1) 15 driver supply voltage; for drivers 0 and 1 OUT0 16 video output 0 D1 17 control output 1 SCL 18 serial clock input SDA 19 serial data input/output DGND 20 digital ground 1995 Feb 06 handbook, halfpage OUT2 1 20 DGND D0 2 19 SDA OUT3 3 18 SCL VCC(D2,3) 4 17 D1 S2 5 16 OUT0 TDA8540 IN0 6 15 VCC(D0,1) S1 7 14 OUT1 IN1 8 13 VCC AGND 9 12 IN3 IN2 10 11 S0 MLA277 - 2 Fig.2 Pinning configuration. 4 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 FUNCTIONAL DESCRIPTION Table 1 The TDA8540 is controlled via a bidirectional I2C-bus. 3 bits of the I2C address can be selected via the address pin, thus providing a facility for parallel connection of 7 devices. I2C-bus sub-addressing SUB-ADDRESS S2 S1 S0 A2 A1 A0 L L L 0 0 0 Control options via the I2C-bus: L L H 0 0 1 • The input signals can be clamped at their negative peak (top sync). L H L 0 1 0 L H H 0 1 1 • The gain factor of the outputs can be selected between 1× or 2×. H L L 1 0 0 H L H 1 0 1 • Each of the four outputs can individually be connected to one of the four inputs. H H L 1 1 0 H • Each output can individually be set in a high impedance state. H non addressable I2C-bus control • Two binary output data lines can be controlled for switching accompanying sound signals. After power-up the outputs are initialized in the high impedance state, and D0 and D1 are at a LOW level. The SDA and SCL pins (pins 19 and 18) can be connected to the I2C-bus or to DC switching voltage sources. Address inputs S0 to S2 (pins 11, 7 and 5) are used to select sub-addresses or switching to the non-I2C mode. Inputs S0 to S2 can be connected to the supply voltage (HIGH) or the ground (LOW). In this way no peripheral components are required for selection. Table 2 H I2C Detailed description of the I2C-bus specification, with applications, is given in brochure “The I2C-bus and how to use it”. This brochure may be ordered using the code 9398 393 40011. The TDA8540 is a slave receiver and the protocol is given in Table 2. The TDA8540 protocol SEQUENCE S(1) SLV(2) A(3) SUB A(3) DATA A(3) DATA A(3) P(4) Notes 1. S = START condition. 2. Data transmission to the TDA8540 starts with the slave address (SLV). 3. A = acknowledge bit, generated by TDA8540. 4. P = STOP condition. Table 3 Data transmission to the TDA8540 begins with SLV A6 MSB A5 A4 A3 A2 A1 A0 R/W LSB 1 0 0 1 A2(1) A1(1) A0(1) 0(2) Notes 1. A2 to A0: pin programmable slave address bits. 2. R/W = 0; write only. After the SLV, a second byte, SUB, is required for selecting the functions, as shown in Table 4. 1995 Feb 06 5 Philips Semiconductors Product specification 4 × 4 video switch matrix Table 4 TDA8540 The second byte: SUB 7 MSB 6 5 4 3 2 1 0 LSB 0 0 0 0 0 0 RS1 RS0 Options for SUB: If SUB = 00H: access to switch control (SW1) If SUB = 01H: access to gain/clamp/data control (GCO) If SUB = 02H: access to output enable control (OEN). Remarks: If more than one data byte is sent, the SUB byte will be automatically incremented. If more than 3 data bytes are sent, the internal counter will roll over and the device will then rewrite the first register. Data Bytes SWI (SUB = 00H): selects which input is connected to the different outputs, as shown in Table 5. Table 5 SWI (SUB = 00H) selection of inputs connected to outputs 7 MSB 6 5 4 3 2 1 0 LSB S31 S30 S21 S20 S11 S10 S01 S00 Table 6 Selection of inputs Sj1 AND Sj0(1) OUTPUT OUTj 00 01 10 11 IN0 IN1 IN2 IN3 Note 1. For j = 0 to 3. Example: if S21 = 0 and S20 = 1, then OUT2 is connected to IN1. GCO (SUB = 01H): • Selects the gain of each output. • Selects the clamp action or mean value on inputs 0 and 1. • Determines the value of the auxiliary outputs D1 and D0. Table 7 GCO byte 7 MSB 6 5 4 3 2 1 0 LSB G3(1) G2(1) G1(1) G0(1) CL1(2) CL0(2) D1(3) D0(3) Notes 1. For j = 0 to 3: if Gj = 0 (1), then output j has a gain of 2 (1). 2. If CL0 (CL1) = 0, then input signal on IN0 (IN1) is clamped. 3. For j = 0 or 1: if Dj = 0 (1), then logical output j is LOW (HIGH). 1995 Feb 06 6 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 OEN (SUB = 02H): selects, for each output, if the output is active or high impedance, see Table 8. Table 8 OEN (SUB = 02H) determines which output is active or high impedance 7 MSB 6 5 4 3 2 1 0 LSB X(1) X(1) X(1) X(1) EN3(2) EN2(2) EN1(2) EN0(2) Notes 1. X = don’t care. 2. For j = 0 to 3: if ENj = 0 (1), then OUT j is high impedance (active). After a power-on reset: • The outputs are set to a high impedance state; the outputs are connected to IN0; the gains are set at two and inputs IN0 and IN1 are clamped. • Programming of the device is necessary because the outputs are in high impedance state. Non-I2C-bus control If the S0, S1 and S2 pins are all connected to VCC the device will enter the non-I2C-bus mode. After a power-on reset: • Gain is set at two for all outputs. • All inputs are clamped. • All outputs are active. • The matrix position is given by the SDA and SCL voltage level. Table 9 Non-I2C-bus control SCL AND SDA OUTPUT 00 01 10 11 OUT3 IN3 IN2 IN1 IN0 OUT2 IN2 IN3 IN0 IN1 OUT1 IN1 IN0 IN3 IN2 OUT0 IN0 IN1 IN2 IN3 SCL and SDA act as normal input pins: SCL interchanges (OUT3 and OUT2) with (OUT1 and OUT0). SDA interchanges OUT3 with OUT2 and OUT1 with OUT0. Remark: For use with chrominance signals, the clamp action must be overruled by external bias. 1995 Feb 06 7 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 LIMITING VALUES In accordance with the Absolute Maximum System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VCC supply voltage (pin 13) −0.3 +9.1 V Ptot total power dissipation − 750 mW VCC(D0,1), VCC(D2,3) driver supply voltage −0.3 +13.8 V IN0 to IN3 video input voltage −0.3 +7.2 V OUT0 to OUT3 video output voltage −0.3 +7.2 V D0, D1 control output voltage −0.3 +7.2 V SDA, SDL I2C −0.3 +8.8 V input/output voltage S0 to S2 sub-address input voltage −0.3 +8.8 V Tstg IC storage temperature −55 +125 °C Tj junction temperature − +150 °C Ves electrostatic handling HBM; note 1 −1500 +1500 V MM; note 2 −200 +200 V Notes 1. Human Body Model (HBM): in accordance with UZW-BO/FQ-A302. 2. Machine Model (MM): in accordance with UZW-BO/FQ-B302 (stress reference pins: AGND and DGND short-circuited and VCC). THERMAL CHARACTERISTICS SYMBOL Rth j-a PARAMETER VALUE UNIT SOT146-1 60 (typ.) K/W SOT163-1 85 (typ.) K/W thermal resistance from junction to ambient in free air OPERATING CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT General VCC supply voltage (pin 13) 7.2 − 8.8 V Tamb operating ambient temperature 0 − 70 °C − 100 − nF Video inputs (pins 6, 8, 10 and 12) CI external capacitor VI(p-p) C signal amplitude (peak-to-peak value) note 1 − − 1 V VI(p-p) CVBS or Y-signal amplitude (peak-to-peak value) note 2 − − 1.5 V Video drivers (pins 4 and 15) RD external collector resistor note 3 − 25 − Ω CD external decoupling capacitor note 4 − 22 − µF 1995 Feb 06 8 Philips Semiconductors Product specification 4 × 4 video switch matrix SYMBOL TDA8540 PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Sub-address S0, S1 and S2 (pins 5, 7 and 11) VIH HIGH level input voltage 4 − VCC V VIL LOW level input voltage 0 − 1 V Notes 1. Only for pins 6 and 8 when clamp action is not selected for these pins. 2. On all the video input pins, when non-I2C-bus control mode is selected or when clamp action is selected on pins 6 and 8 (by I2C-bus control). 3. Connected between VCC and pin 4 or pin 15. 4. Connected between AGND and pin 4 or pin 15. CHARACTERISTICS VCC = 8 V; Tamb = 25 °C; gain condition, clamp condition and OFF state are controlled by the I2C-bus; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply ICC supply current without load − 20 30 mA OFF state − 12 − mA − 0.4 1 µA Video inputs: IN0 to IN3 when the clamp is active (see Figs 3 and 4) ILI input leakage current VI = 3 V Vclamp input clamping voltage II = 5 µA − 2.2 − V Iclamp input clamping current VI = 0 V 1.2 − − mA − 2.9 − V − 10 − kΩ 100 − − kΩ − 5 − Ω 60 − − dB Video inputs: IN0 and IN2 when the clamp is not active (see Fig.3) Vbias DC input bias level RI input resistance II = 0 Video outputs: OUT0 to OUT3 (see Fig.5) ZO output impedance RO output resistance ISO isolation VO output top sync level; (Y or CVBS) 0.4 0.7 1 V Vbias output mean value for chrominance signals G = 2; load = 150 Ω 1.5 1.9 2.2 V G = 1; without load 1 1.3 1.6 V voltage gain G = 1; f = 1 MHz −1 0 +1 dB G = 2; f = 1 MHz 5 6 7 dB note 1 − 0.5 3 % Gv OFF state OFF state; f = 5 MHz Gdiff differential gain ϕdiff differential phase note 1 − 0.6 − deg NL non linearity note 2 − 0.5 2 % αct crosstalk attenuation between channels note 3 60 70 − dB SVRR supply voltage rejection note 4 36 55 − dB 1995 Feb 06 9 Philips Semiconductors Product specification 4 × 4 video switch matrix SYMBOL ∆G αct TDA8540 PARAMETER CONDITIONS 100 kHz < f < 5 MHz maximum gain variation MIN. − TYP. 0.5 MAX. UNIT − dB 100 kHz < f < 8.5 MHz − 1 − dB 100 kHz < f < 12 MHz − 3 − dB 60 − − dB crosstalk attenuation of I2C-bus signals Auxiliary outputs D0 and D1 (open collector) IOH HIGH level output current VOH = 5.5 V − − 10 µA VOL LOW level output voltage IOL = 4 mA − − 0.4 V I2C-bus inputs SCL and SDA IIH HIGH level input current VIH = 3.0 V − − 10 µA IIL LOW level input current VIL = 1.5 V −10 − − µA Ci input capacitance − − 10 pF IOL = 3 mA − − 0.4 V I2C-bus output SDA VOL LOW level output voltage Sub-address S0, S1 and S2 IIH HIGH level input current VIH = VCC − − 10 µA IIL LOW level input current VIL = 0 V − − 10 µA Notes 1. Gain set at 2; RL = 150 Ω; test signal D2 from CCIR 330. 2. Gain set at 2; RL = 150 Ω; test signal D1 from CCIR 17. 3. Measured from any selected input to output; f = 5 MHz; RL = 150 Ω; gain set at 2; VI = 1.5 V (peak-to-peak value). This measurement requires an optimized board. V ripple (supply) 4. Supply voltage ripple rejection: 20 log -------------------------------------- ; V ripple (on output) measured at f = 1 kHz with V ripple (supply max) = 100 mV (peak-to-peak value). The supply voltage rejection ratio is >36 dB at fmax = 100 kHz. 1995 Feb 06 10 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 book, full pagewidth V ref = 2.2 V + V be 6V CLAMP CONTROL IN0 or IN1 TDA8540 MLA282 - 1 Fig.3 IN0 and IN1 inputs. handbook, halfpage VCC VCC(D0,1) ( VCC(D2,3) ) handbook, halfpage TDA8540 6V V ref = 2.2 V + Vbe IN2 or IN3 OUT0 (OUT2) OUT1 (OUT3) TDA8540 MLA280 MLA281 - 1 Fig.4 IN2 and IN3 inputs. 1995 Feb 06 Fig.5 Driver output stage. 11 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 APPLICATION INFORMATION handbook, full pagewidth 25 Ω VCC R 100 µF Ci 100 nF 25 Ω R D 22 µF CD 22 µF CD VCC(D2,3) IN3 VCC D 4 VCC(D0,1) 15 12 3 Ci 100 nF 1 IN2 video sources Ci 100 nF Ci 100 nF 10 14 IN1 IN0 16 TDA8540 8 13 2 20 DGND 9 11 7 5 OUT1 S0 S1 S2 18 outputs OUT0 D1 10 kΩ 10 kΩ digital supply (+5 V) audio source control D0 19 AGND address inputs SCL SDA serial data and clock signals VCC = analog supply (+8 V). Fig.6 Application diagram. 1995 Feb 06 OUT2 6 17 VCC OUT3 12 MLA278 - 3 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 PACKAGE OUTLINES seating plane 26.92 26.54 8.25 7.80 3.2 max 3.60 3.05 4.2 max 0.51 min 2.0 max 2.54 (9x) 0.53 max 0.254 M 0.38 max 7.62 1.73 max 10.0 8.3 MSA258 20 11 6.40 6.22 1 10 Dimensions in mm. Fig.7 Plastic dual in-line package; 20 leads (300 mil); DIP20; SOT146-1. 1995 Feb 06 13 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 13.0 12.6 handbook, full pagewidth 7.6 7.4 10.65 10.00 0.1 S S A 0.9 (4x) 0.4 20 11 2.45 2.25 1.1 1.0 0.3 0.1 2.65 2.35 0.32 0.23 pin 1 index 1 1.1 0.5 10 0 to 8 detail A 1.27 0.49 0.36 0.25 M (20x) Dimensions in mm. Fig.8 Plastic small outline package; 20 leads; body width 7.5 mm (SO20; SOT163-1). 1995 Feb 06 14 o MBC234 - 1 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 SOLDERING REPAIRING SOLDERED JOINTS (BY HAND-HELD SOLDERING IRON OR PULSE-HEATED SOLDER TOOL) Plastic small outline packages During placement and before soldering, the component must be fixed with a droplet of adhesive. After curing the adhesive, the component can be soldered. The adhesive can be applied by screen printing, pin transfer or syringe dispensing. Fix the component by first soldering two, diagonally opposite, end pins. Apply the heating tool to the flat part of the pin only. Contact time must be limited to 10 s at up to 300 °C. When using proper tools, all other pins can be soldered in one operation within 2 to 5 s at between 270 and 320 °C. (Pulse-heated soldering is not recommended for SO packages.) Maximum permissible solder temperature is 260 °C, and maximum duration of package immersion in solder bath is 10 s, if allowed to cool to less than 150 °C within 6 s. Typical dwell time is 4 s at 250 °C. For pulse-heated solder tool (resistance) soldering of VSO packages, solder is applied to the substrate by dipping or by an extra thick tin/lead plating before package placement. BY WAVE A modified wave soldering technique is recommended using two solder waves (dual-wave), in which a turbulent wave with high upward pressure is followed by a smooth laminar wave. Using a mildly-activated flux eliminates the need for removal of corrosive residues in most applications. Plastic dual in-line packages BY DIP OR WAVE 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 must not exceed 5 s. BY SOLDER PASTE REFLOW The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the specified storage maximum. If the printed-circuit board has been pre-heated, forced cooling may be necessary immediately after soldering to keep the temperature within the permissible limit. Reflow soldering requires the solder paste (a suspension of fine solder particles, flux and binding agent) to be applied to the substrate by screen printing, stencilling or pressure-syringe dispensing before device placement. Several techniques exist for reflowing; for example, thermal conduction by heated belt, infrared, and vapour-phase reflow. Dwell times vary between 50 and 300 s according to method. Typical reflow temperatures range from 215 to 250 °C. REPAIRING SOLDERED JOINTS Apply a low voltage soldering iron below the seating plane (or not more than 2 mm above it). If its temperature is below 300 °C, it must not be in contact for more than 10 s; if between 300 and 400 °C, for not more than 5 s. Preheating is necessary to dry the paste and evaporate the binding agent. Preheating duration: 45 min at 45 °C. 1995 Feb 06 15 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 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. Product specification This data sheet contains final product specifications. Limiting values Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. PURCHASE OF PHILIPS I2C COMPONENTS Purchase of Philips I2C components conveys a license under the Philips’ I2C patent to use the components in the I2C system provided the system conforms to the I2C specification defined by Philips. This specification can be ordered using the code 9398 393 40011. 1995 Feb 06 16 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 NOTES 1995 Feb 06 17 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 NOTES 1995 Feb 06 18 Philips Semiconductors Product specification 4 × 4 video switch matrix TDA8540 NOTES 1995 Feb 06 19 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. 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(0181)754-8421 United States: 811 East Arques Avenue, SUNNYVALE, CA 94088-3409, Tel. (800)234-7381, Fax. (708)296-8556 Uruguay: Coronel Mora 433, MONTEVIDEO, Tel. (02)70-4044, Fax. (02)92 0601 Internet: http://www.semiconductors.philips.com/ps/ For all other countries apply to: Philips Semiconductors, International Marketing and Sales, Building BE-p, P.O. Box 218, 5600 MD, EINDHOVEN, The Netherlands, Telex 35000 phtcnl, Fax. +31-40-724825 SCD38 © Philips Electronics N.V. 1994 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. 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. Printed in The Netherlands 533061/1500/03/pp20 Document order number: Date of release: 1995 Feb 06 9397 747 30011