代理產線

ADV7390, ADV7391

 2012-12-12

【基本資料】

【產品特性】

• SDTV/HDTV YCrCb to PAL/NTSC/HDTV video encoder
• 74.25MHz 16-bit High-Definition Input Support
• 8-bit DDR Input Data Mode Support
• Three high quality 10-bit video DACs
• 216MHz DAC Oversampling for SDTV (16x-SD)
• 297MHz DAC Oversampling for HDTV (4x-HD)
• Fully Integrated 75Ω Cable Driver (Full drive into 37.5 Ω load)
• CGMS, Closed Captioning & WSS (wide screen signaling)
• NTSC M, PAL N, PAL B/D/G/H/I, PAL-M, PAL 60
• Single 27 MHz clock required (×16 oversampling)
• 4:2:2 8-/10-bit or 16-bit parallel data input format
• Macrovision Rev 7.1.L1 (ADV7392 only)
• VDD:1.8V
• VDD_IO:1.8V/3.3V
• PVDD:1.8V
• VAA:3.3V
• Temperature range:–40°C to +85°C at 3.3V
• DACs output:35 mA(typically at 3.3 V)
• Analog Power Supply Operation:2.7V minimum
• DAC output current:37mA maximum
• NTSC & PAL square pixel operation (24.54MHz / 29.5MHz)
• Support 8-bit DDR Input Data Mode
• Multi-Format Video Output Support:
—CVBS
—Y/C
—RGB(SOG)
—HDTV 720P/1080i

【產品應用】

• 安全監控
• 行動電話
• PMP
• DSC

【文字介紹】

ADV7390/ADV7391 是高速數字轉類比編碼器晶片,10-bit DACs支援SD(CVBS, S-Video, YPbPr, SOG RGB)及HDTV YPbPr(720P, 1080i)的影像格式輸出。ADV7390/ADV7391提供8-bit的輸入埠支援數字SD RGB的輸入,全系列支援EAV/SAV數字同步信號編碼。通信協定上則同時支援I2C及SPI協定。SD/HD的影像格式支援DDR(8-bit)的介面輸入,並可接受外部的同步信號輸入,最大過取樣率可到297MHz。低功耗的操作及小包裝晶片,最適合在可攜式裝置上使用。