參數(shù)資料
型號(hào): ADV7194KSTZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 48/69頁(yè)
文件大小: 0K
描述: IC ENCODER VIDEO EXT-10 80-LQFP
標(biāo)準(zhǔn)包裝: 1
類型: 視頻編碼器
應(yīng)用: DVD,視頻,多媒體
電壓 - 電源,模擬: 3.3 V ~ 5 V
電壓 - 電源,數(shù)字: 3.3 V ~ 5 V
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-LQFP(14x14)
包裝: 托盤
產(chǎn)品目錄頁(yè)面: 788 (CN2011-ZH PDF)
ADV7194
–52–
REV. A
APPENDIX 7
DAC BUFFERING
External buffering is needed on the ADV7194 DAC outputs.
The conguration in Figure 105 is recommended.
When calculating absolute output full-scale current and voltage
use the following equations:
VOUT = IOUT
× RLOAD
IOUT = (VREF
× K)/RSET
K = 4.2146 constant, VREF = 1.235 V
ADV7194
VREF
PIXEL
PORT
VAA
OUTPUT
BUFFER
DAC A
CVBS
CHROMA
G
LUMA
B
R
1.2k
RSET1
DAC B
DAC C
DAC D
DAC E
DAC F
DIGITAL
CORE
1.2k
RSET2
OUTPUT
BUFFER
OUTPUT
BUFFER
OUTPUT
BUFFER
OUTPUT
BUFFER
OUTPUT
BUFFER
Figure 105. Output DAC Buffering Conguration
OUTPUT TO
TV MONITOR
INPUT/
OPTIONAL
FILTER O/P
+VCC
AD8051
–VCC
Figure 106. Recommended DAC Output Buffer Using an
Op Amp
相關(guān)PDF資料
PDF描述
ADV7202KSTZ IC CODEC VIDEO 10BIT 64LQFP
ADV7311KST IC VID ENC 6-12BIT DAC'S 64LQFP
ADV7321KSTZ IC VID ENC 6-12BIT DAC'S 64LQFP
ADV7343BSTZ IC ENCODER VIDEO W/DAC 64-LQFP
ADV7391BCPZ IC ENCODER VIDEO W/DAC 32LFCSP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADV7194KSTZ 制造商:Analog Devices 功能描述:TV / Video IC
ADV7195 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs and 10-Bit Data Input
ADV7195KS 制造商:Analog Devices 功能描述:Video Encoder 3DAC 11-Bit 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:MULTI-FORMAT VID+PROGSCAN/HDTV ENCODERIC - Bulk
ADV7195KST 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs and 10-Bit Data Input
ADV7195KSZ 制造商:Analog Devices 功能描述:Video Encoder 3DAC 11-Bit 52-Pin MQFP