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STV9211 数据表(PDF) 23 Page - STMicroelectronics |
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STV9211 数据表(HTML) 23 Page - STMicroelectronics |
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23 / 37 page  23/37 STV9211 AC electrical characteristics 6 AC ELECTRICAL CHARACTERISTICS Tamb =25°C, VCCA = 5V, VCCP= 8V, Vi = 0.7 VPP , CLOAD = 5pF RS = 100Ω, serial between output pin and CLOAD, unless otherwise specified. Symbol Parameter Test conditions Min. Typ. Max. Units VIDEO OUTPUT SIGNAL (pins 14, 16, 18) - CONTRAST AND DRIVE G Maximum gain Max Contrast and Drive (CRT = DRV = 254 dec) 16 dB VOM Maximum video output voltage ( Note 1) Max Contrast and Drive (CRT = DRV = 254 dec) 4.4 V VON Nominal video output voltage Contrast and Drive at POR (CRT = DRV = 180 dec) 2.2 V CAR Contrast attenuation range From max. Contrast (CRT=254 dec) to min. Contrast (CRT = 1 dec) 48 dB DAR Drive attenuation range From Max. Drive (DRV = 254 dec) to min. Drive (DRV = 1 dec) 48 dB GM Gain matching ( Note 3) Contrast and Drive at POR ± 0.1 dB VIDEO OUTPUT SIGNAL (pins 14, 16, 18) - BRIGHTNESS BRTmax Maximum brightness level Max. Brightness (BRT = 255 dec) and Max. Drive (DRV = 254 dec) 2V BRT min Minimum brightness level Min. Brightness (BRT = 0 dec) and Max. Drive (DRV = 254 dec) 0V VIP Insertion pulse ( Note 4)0.4 V BRTM Brightness matching ( Note 3) Brightness and Drive at POR ± 10 mV VIDEO OUTPUT SIGNAL - OSD VOSDmax VOSD min Maximum OSD output level Minimum OSD output level Max. Drive (DRV = 254 dec) Max. OSD (OSD = 15 dec) Min. OSD (OSD = 0 dec) 4.9 0 V V VIDEO OUTPUT SIGNAL - INFRA BLACK LEVEL ( Figure 8) Vib0 max Vib0 min Maximum infrablack level Minimum infrablack level IBR=0 and IBL=0 Max. Vib (IBL = 255 dec) Min. Vib (IBL = 0 dec) 2.2 0.4 V V Vib1 max Vib1 min. Maximum infrablack level Minimum infrablack level IBR=1 and IBL=0 Max. Vib (IBL = 255 dec) Min. Vib (IBL = 0 dec) 1.7 0.4 V V Vib step 0 Infrablack level step IBR=0 ( Note 5)7 mV Vib step 1 Infrablack level step IBR=1 ( Note 5)5 mV ABL (Pin 2) GABLmin GABL max ABL mini attenuation ABL maxi attenuation VABL 3.2 V VABL = 1 V 0 15 dB dB VABL ABL threshold voltage For output attenuation 3 V IABL high IABLl ow High ABL input current Low ABL input current VABL = 3.2V VABL = 1V 0 -2 µA µA VIDEO OUTPUT SIGNAL - DYNAMIC PERFORMANCES ( Figure 9) tR, tF Rise Time, Fall Time ( Note 6)VOUT = 2 VPP (BW = 15 dec) VOUT = 2 VPP (BW = 0 dec) 2.7 5 ns BW Large Signal Bandwidth VOUT = 2 VPP 130 MHz BW Bandwidth Adjustment Range VOUT = 2 VPP Minimum bandwidth (BW = 0 dec) Maximum bandwidth (BW =15 dec) 70 130 MHz MHz CT Crosstalk between Video Outputs VOUT = 2 VPP@ f = 10 MHz @ f = 50 MHz 60 35 dB dB ≥ |
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