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 CR7929 PINNING FEATURES • Transition times (10 to 90%) with 45 V (p-p) swing and CL = 10 pF: PIN – rise time (typ.) 2.2 ns – fall time (typ.) 1.9 ns • Small 11-pin package DESCRIPTION 1 input 1 2, 6, 10 ground 3 output 1 supply voltage (VS) 4, 8 • 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. 5 input 2 7 output 2 9 input 3 11 output 3 DESCRIPTION handbook, halfpage 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. 1 11 Front view MBK056 Fig.1 Simplified outline SOT451A. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER MIN. MAX. UNIT VS supply voltage (DC) − 110 V T mb operating mounting base temperature −20 +100 °C T stg storage temperature −40 +125 °C RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER MIN. MAX. UNIT VS supply voltage (DC) − 90 V T mb operating mounting base temperature −20 +100 °C T stg storage temperature −40 +125 °C 1999 Mar 09 2 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 PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Per amplifier IS supply current open input and open output tbd tbd tbd mA Ptot total power dissipation 25 MHz square wave − tbd tbd W tr rise time transient response 10 to 90%; note 1 − 2.2 2.7 ns tf fall time transient response 10 to 90%; note 1 − 1.9 2.3 ns BW small signal bandwidth between −3 dB points; note 2 tbd tbd − MHz Vos overshoot voltage (rise and fall adjustable by C1 and C2; time) see Fig.3 − 8 10 % NLN non-linearity VO = 10 to 75 V − 2 5 % AV DC voltage gain 50 Ω source; note 3 13.8 15 16.2 V/V VG insertion gain 50 Ω source; note 4 tbd tbd tbd V/V 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 handbook, halfpage 680 pF 4.3 kΩ 150 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 DESCRIPTION VALUE C1 variable capacitor 10 to 160 pF (typ. 39 pF) C2 variable capacitor 10 to 160 pF (typ. 27 pF) C3 chip capacitor and electrolytic capacitor 10 nF and 4.7 µF; 160 V R1 resistor 220 Ω R2 resistor 68 Ω R3 resistor 100 Ω Test equipment used in test-circuit (see Fig.3) EQUIPMENT Pulse generator TYPE DESCRIPTION Le Croy; model 9210 with unit 9211 Philips; model PM5785B (125 MHz) with internal DC offset Power supply Philips; model PE1542, 80 V FET probe Philips; model PM8943, attenuation 100 : 1 Sampling oscilloscope 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 kΩ 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 CR7929 PACKAGE OUTLINE Ceramic single-ended flat package; heatsink mounted; 1 mounting hole; 11 in-line gold-metallized leads SOT451A D y U A p F S U1 G E L 1 11 e b c v A w M Q A 0 5 10 mm scale DIMENSIONS (mm are the original dimensions) UNIT A b c D E e F G L p Q S U U1 v w y mm 5.9 5.5 0.56 0.46 0.25 28.3 27.9 13.9 13.5 2.54 2.2 1.8 23.8 23.4 6.2 5.8 4.2 3.8 2.0 1.6 5.2 4.8 25.4 25.0 20.4 20.0 0.3 0.25 0.1 OUTLINE VERSION REFERENCES IEC JEDEC EIAJ ISSUE DATE 97-06-26 SOT451A 1999 Mar 09 EUROPEAN PROJECTION 6 Philips Semiconductors Preliminary specification Triple video driver hybrid amplifier CR7929 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. 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