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| CORPORATION Improved Low Cost Triple CRT Driver CVA2411TX FEATURES DESCRIPTION The CVA2411TX is an improved low cost version that features excellent gray scale linearity with no crossover distortion and less EMI for 64KHz (horizontal scanning frequency) monitors. The CVA2411TX can be used with pre-amplifiers where the common emitter transistor is part of the pre-amp. With this device, OSD, peaking coil, and peaking capacitor can be available. A very small heat sink is required to pick-up ground from the standard TO220 package Tab. With 65MHz bandwidth, the device is an ideal low cost solution for 14", 15" and 17" monitors. ORDERING INFORMATION Part CVA2411TX Package T11A Temperature -20oC to +100oC * * * * * * Ease of Use Small Heat Sink OSD Option EMI Control Option Excellent Gray Scale Linearity APPLICATIONS CRT Displays for 1280 x 1024 Resolution with Pixel Clock Frequency up to 160MHz CONNECTION DIAGRAM AND SIMPLIFIED SCHEMATIC 11 10 9 8 EMITTER 7 EMITTER 6 COLLECTOR 5 4 3 COLLECTOR 2 1 VOUT VBIAS VOUT EMITTER VC C VOUT COLLECTOR VCC 11 COLLECTOR 3,6,9 VOUT 2,5,10 VBIAS 1 Q3 EMITTER 4,7,8 TAB 1H-39 TAB = GND TOP VIEW T11A PACKAGE 1B-17 CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025 CVA2411TX CORPORATION ABSOLUTE MAXIMUM RATINGS Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95V Storage Temperature . . . . . . . . . . . . . . . . . . . -25oC to +100oC DC ELECTRICAL CHARACTERISTICS TCASE = +25oC SYMBOL BVCEO BVCBO BVEBO HFE VBES VCES VBE(ON) ICEO 0.6 100 nA CHARACTERISTICS Collector-Emitter Breakdown Voltage (I c = 1mA) Collector-Base Breakdown Voltage (Ic = 100A) Emitter-Base Breakdown Voltage (IE = 100A) DC Current Gain (Ic = 35mA) MIN 95 100 3 30 50 0.95 0.3 TYP MAX UNITS V V V V Operating Temperature . . . . . . . . . . . . . . . . . -20oC to +100oC Lead Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300oC AC ELECTRICAL CHARACTERISTICS TCASE = +25oC SYMBOL Cob Ccb Cib ft CHARACTERISTCS Output Capacitance Junction Capacitance Input Capacitance Current Gain Bandwidth Product (Ic = 35mA) MIN TYP 3 2 8 150 MAX UNITS pF pF pF MHz FIGURE 1. TYPICAL CHARACTERISTICS RISE TIME 102.5V 102.5V FALL TIME 2.5V 10ns/DIV 10V/DIV 10V/DIV 2.5V 10ns/DIV 1J-8 1J-9 CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025 CORPORATION CVA2411TX 47 1 5.6K R11 R-OUTPUT 820 47 L1 330nH R9 1.5K R8 10K Q2 2N3904 C5 .1F R10 1.5K R11 R9 1.5K L1 330nH R8 10K Q2 2N3904 R10 1.5K R11 R8 1.5K R8 10K D2 FDH400 C5 .1F Q2 2N3904 R10 1.5K 820 L1 330nH R12 B-OUTPUT 47 D2 FDH400 C5 .1F 820 R12 G-OUTPUT 47 D2 FDH400 R12 2 C4 3 2.2F D1 4 33 R3 56 R5 C1 120pF 1.5K 3W 7 2.2F D1 8 33 R5 R3 56 1.5K 3W 5.6K 10 C4 11 2.2F D1 FDH400 TAB (HEAT SINK) C6 100F R14 1.5K R2 33 R3 56 C1 120pF C1 120pF 9 R7 FDH400 R2 6 C4 5.6K 5 R7 FDH400 R2 1.5K 3W R5 R7 FIGURE 2. APPLICATION CIRCUIT R13 R-INPUT 120 Q1 2N3904 C2 120pF R1 100 R4 56 R13 G-INPUT 120 Q1 2N3904 C2 120pF R1 100 R4 56 R13 B-INPUT 120 Q1 2N3904 C2 120pF R4 56 R1 100 NOTES: C3 .01F 80V C7 33F C8 .1F R4, C2 network will adjust the undershoot. R3, C1 network will adjust the overshoot. Gain = R5 R1 Overshoot affects the EMI, try to reduce overshoot as much as possible by adjusting R3, C1. 12V Output Peaking inductor is approx. (220nH to 680nH). CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025 1H-40 CVA2411TX DC bias circuit at the output is an example from several DC bias circuits available. CVA2411TX CORPORATION Information furnished by Calogic is believed to be accurate and reliable. However, no responsibility is assumed for its use: nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent rights of Calogic. CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025 |
Price & Availability of CVA2411
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