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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 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 source; note 3 50 source; note 4
handbook, halfpage
680 pF
150 k
4.3 k
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 F; 160 V 220 68 100
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 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. 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.
1999 Mar 09
7
Philips Semiconductors - a worldwide company
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For all other countries apply to: Philips Semiconductors, International Marketing & Sales Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825 (c) Philips Electronics N.V. 1999
SCA62
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
125102/00/05/pp8
Date of release: 1999 Mar 09
Document order number:
9397 750 05369

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