CR7929

DISCRETE SEMICONDUCTORS DATA SHEET dbook, halfpage M3D299 CR7929 Triple video driver hybrid amplifier Preliminary specification 1999 Mar 09 Philips Semiconductors Preliminary specification Triple video driver hybrid amplifier FEATURES • Transition times (10 to 90%) with 45 V (p-p) swing and CL = 10 pF: – rise time (typ.) 2.2 ns – fall time (typ.) 1.9 ns • Small 11-pin package • Design optimized for excellent smearing performance • Gold metallization for highest reliability. APPLICATIONS • Top-end colour cathode-ray tube (CRT) monitors with pixel frequencies up to 300 MHz. PINNING PIN 1 2, 6, 10 3 4, 8 5 7 9 11 input 1 ground output 1 supply voltage (VS) input 2 output 2 input 3 output 3 CR7929 DESCRIPTION DESCRIPTION The CR7929 is a 3-channel hybrid RGB-amplifier module in an11-pin SOT451A package. Succeeding the succesful CR6927, CR6928 and CR6929 families, the CR7929 is a pin-compatible next step in high-bandwidth active load amplifiers. Being an active load, CR7929 combines a high bandwidth with a relatively low and constant dissipation. Its optimized design, together with innovative application recommendations, ensures excellent smearing performance. handbook, halfpage 1 Front view 11 MBK056 Fig.1 Simplified outline SOT451A. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VS T mb T stg supply voltage (DC) operating mounting base temperature storage temperature PARAMETER − −20 −40 MIN. MAX. 110 +100 +125 V °C °C UNIT RECOMMENDED OPERATING CONDITIONS SYMBOL VS T mb T stg 1999 Mar 09 supply voltage (DC) operating mounting base temperature storage temperature 2 PARAMETER − −20 −40 MIN. 90 +100 +125 MAX. V °C °C UNIT Philips Semiconductors Preliminary specification Triple video driver hybrid amplifier CR7929 CHARACTERISTICS VS = 85 V; T mb = 25 °C; CL = 10 pF; output swing = 45 V (p-p) with 42.5 V DC offset (see Fig.3); unless otherwise specified. SYMBOL Per amplifier IS Ptot tr tf BW Vos NLN AV VG Notes 1. Input signal is a 100 kHz square wave of 3.5 V (p-p) with 850 mV DC offset (50 Ω source), without Rlevel. 2. Sinewave output signal: 1 V (p-p). 3. Measured VO/VI at input test circuit. 4. Measured VO/VI at input module. APPLICATION NOTES supply current total power dissipation rise time transient response fall time transient response small signal bandwidth open input and open output 25 MHz square wave 10 to 90%; note 1 10 to 90%; note 1 between −3 dB points; note 2 tbd − − − tbd − − 13.8 tbd tbd tbd 2.2 1.9 tbd 8 2 15 tbd tbd tbd 2.7 2.3 − 10 5 16.2 tbd mA W ns ns MHz % % V/V V/V PARAMETER CONDITIONS MIN. TYP. MAX. UNIT overshoot voltage (rise and fall adjustable by C1 and C2; time) see Fig.3 non-linearity DC voltage gain insertion gain VO = 10 to 75 V 50 Ω source; note 3 50 Ω source; note 4 handbook, halfpage 680 pF 150 kΩ 4.3 kΩ VS input output 1.5 V MDA861 Fig.2 Block diagram, single amplifier. 1999 Mar 09 3 Philips Semiconductors Preliminary specification Triple video driver hybrid amplifier CR7929 Speed-up circuit (R1, C1; R2, C2) ensures flat gain over the whole frequency range. Fig.3 Test-circuit and block diagram. Components used in test-circuit (see Fig.3) COMPONENT C1 C2 C3 R1 R2 R3 variable capacitor variable capacitor chip capacitor and electrolytic capacitor resistor resistor resistor DESCRIPTION VALUE 10 to 160 pF (typ. 39 pF) 10 to 160 pF (typ. 27 pF) 10 nF and 4.7 µF; 160 V 220 Ω 68 Ω 100 Ω Test equipment used in test-circuit (see Fig.3) EQUIPMENT Pulse generator Power supply FET probe Sampling oscilloscope TYPE DESCRIPTION Le Croy; model 9210 with unit 9211 Philips; model PM5785B (125 MHz) with internal DC offset Philips; model PE1542, 80 V Philips; model PM8943, attenuation 100 : 1 Tektronix; model 11801B, sampling head SD26 1999 Mar 09 4 Philips Semiconductors Preliminary specification Triple video driver hybrid amplifier CR7929 Rlevel and Rbias are intended to achieve the required output level and to optimize the frequency smearing performance. Rlevel has to be adjusted to the required output level (approximately 2 k Ω at VS = − 12 V). Rbias has to be tuned for the best high frequency smearing performance (200 MHz burst). Fig.4 Application test-circuit. Supply voltages are internally connected. Fig.5 Internal circuit, single amplifier. 1999 Mar 09 5 Philips Semiconductors Preliminary specification Triple video driver hybrid amplifier PACKAGE OUTLINE Ceramic single-ended flat package; heatsink mounted; 1 mounting hole; 11 in-line gold-metallized leads CR7929 SOT451A D y U p A F S U1 G E L 1 e b 11 wM vA Q A c 0 5 scale 10 mm DIMENSIONS (mm are the original dimensions) UNIT mm A 5.9 5.5 b 0.56 0.46 c 0.25 D 28.3 27.9 E 13.9 13.5 e 2.54 F 2.2 1.8 G 23.8 23.4 L 6.2 5.8 p 4.2 3.8 Q 2.0 1.6 S 5.2 4.8 U 25.4 25.0 U1 20.4 20.0 v 0.3 w 0.25 y 0.1 OUTLINE VERSION SOT451A REFERENCES IEC JEDEC EIAJ EUROPEAN PROJECTION ISSUE DATE 97-06-26 1999 Mar 09 6 Philips Semiconductors Preliminary specification Triple video driver hybrid amplifier DEFINITIONS Data sheet status Objective specification Preliminary specification Product specification Limiting values CR7929 This data sheet contains target or goal specifications for product development. This data sheet contains preliminary data; supplementary data may be published later. This data sheet contains final product specifications. 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. 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