Triple CRT Driver CORPORATION Preliminary Product Information CVA2408T DESCRIPTION FEATURES • • • 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. 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 Package Temperature CVA2408T T11A -20oC to +100oC CONNECTION DIAGRAM VCC 6 11 10 9 8 VIN 1 VBIAS VIN 2 VIN 3 7 6 VCC 5 4 VOUT 3 GND 3 2 1 TOP VIEW T11A PACKAGE VO 1,3,5 GND VBIAS VOUT 2 10 GND VOUT 1 VIN 11,9,8 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 CHARACTERISTICS MIN TYP MAX UNITS Icc Supply Current @ 1MHz VOUT DC Output DC Level 45 50 55 V Av Voltage Gain 13 15 17 V 28 Gain Matching mA 0.2 dB AC ELECTRICAL CHARACTERISTICS Vs = 80V, CL = 8pF, DCINPUT BIAS = 12V, VIN = 2.4V, VOUT = 50Vp-p. TCASE = +25oC. See Figure 1. SYMBOL CHARACTERISTICS MIN TYP MAX UNITS Tr Rise Time 3 ns Tf Fall Time 3 ns Le Linearity 5 % OS Overshoot 5 % FIGURE 1. TEST CIRCUIT VCC C3 6 VBIAS C1 D1 10 C2 CVA2408T VIN VIDEO 11,9,8 INPUT C4 VOUT 1,3,5 C6 D2 7,4,2 TEKTRONIX FET PROBE MODEL 6201 (CAP. 1.5pF) 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 6 10 C2 CVA2408T VIN VIDEO 11,9,8 INPUT C4 D1 L VOUT 1,3,5 C5 7,4,2 R4 R5 SPARK GAP D2 DC BIAS 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