CVA2408T

Triple CRT Driver CORPORATION Preliminary Product Information CVA2408T FEATURES DESCRIPTION The CVA2408T 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 260MHz. The product is housed in the industry standard 11 lead TO-220 molded power package. ORDERING INFORMATION Part CVA2408T Package T11A Temperature -20oC to +100oC • • • • Rise/Fall Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0ns Swing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65VP-P Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90V APPLICATIONS CRT driver for up to 95kHz 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 CVA2408T 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 3 3 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 CVA2408T VIN 7,4,2 C6 VIDEO 11,9,8 INPUT GND,TAB C1 = 0.01m F C2 = 100m F C3 = 0.1m F C4 = 100m F C6 = 8pF D1, D2 = FHD400 1T-23 CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025 CVA2408T CORPORATION FIGURE 2. APPLICATION CIRCUIT VCC C3 VBIAS C1 R3 10 C2 CVA2408T 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 = 0.01m F C2 = 100m F C3 = 0.1m F C4 = 100m F C5 = 2.2m F D1, D2 = FHD400 L = 330 - 390nH 1T-24 CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025