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| Triple CRT Driver CORPORATION Preliminary Product Information CVA2404T FEATURES DESCRIPTION The CVA2404T contains three high impedance, wideband amplifiers, designed specifically to drive a CRT. The device can drive monitors with resolutions up to 1280 x 1024 (non-interlaced) with pixel frequencies of 180MHz. The product is housed in the industry standard 11 lead TO-220 molded power package. ORDERING INFORMATION Part CVA2404T Package T11A Temperature -20oC to +100oC * * * * Rise/Fall Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0ns Swing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65VP-P Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90V APPLICATIONS CRT driver for up to 72kHz monitors with resolution up to 1280 x 1024. CONNECTION DIAGRAM VCC 6 11 10 9 8 7 6 5 4 3 2 1 GND VOUT 1 GND VCC VOUT 3 VIN 1 VBIAS VIN 2 VIN 3 GND VO 1,3,5 VBIAS VOUT 2 10 VIN 11,9,8 TOP VIEW T11A PACKAGE 1L-38 1T-18B 7,4,2,TAB CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025 CVA2404T CORPORATION ABSOLUTE MAXIMUM RATINGS Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95V Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16W Storage Temperature . . . . . . . . . . . . . . . . . . . -25oC to +125oC Operating Temperature . . . . . . . . . . . . . . . . . -20oC to +100oC Lead Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300oC DC ELECTRICAL CHARACTERISTICS Vs = 80V, DCINPUT BIAS = 12V, VIN = 2.4V, TCASE = +25oC. See Figure 1. SYMBOL Icc VOUT DC Av CHARACTERISTICS Supply Current @ 1MHz Output DC Level Voltage Gain Gain Matching 45 13 MIN TYP 28 50 15 0.2 55 17 MAX UNITS mA V V dB AC ELECTRICAL CHARACTERISTICS Vs = 80V, CL = 8pF, DCINPUT BIAS = 12V, VIN = 2.4V, VOUT = 50Vp-p. TCASE = +25oC. See Figure 1. SYMBOL Tr Tf Le OS Rise Time Fall Time Linearity Overshoot CHARACTERISTICS MIN TYP 6 6 5 5 MAX UNITS ns ns % % FIGURE 1. TEST CIRCUIT VCC C3 6 C4 VBIAS C1 C2 D1 VOUT 1,3,5 D2 TEKTRONIX FET PROBE MODEL 6201 (CAP. 1.5pF) 10 CVA2404T VIN 7,4,2 C6 VIDEO 11,9,8 INPUT GND,TAB C1 = 0.01mF C2 = 100mF C3 = 0.1mF C4 = 100mF C6 = 8pF D1, D2 = FHD400 1T-19 CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025 CVA2404T CORPORATION FIGURE 2. APPLICATION CIRCUIT VCC C3 VBIAS C1 R3 10 C2 CVA2404T 6 D1 VOUT 1,3,5 C5 7,4,2 D2 DC BIAS C4 L VIN VIDEO 11,9,8 INPUT R4 R5 SPARK GAP GND,TAB R3 = 47W R4 = 47(1/2W)W R7 = 33W R8 = 39W R10 = 680W C1 = 0.01mF C2 = 100mF C3 = 0.1mF C4 = 100mF C5 = 2.2mF D1, D2 = FHD400 L = 330 - 390nH 1T-20 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 |
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