t3 t2 t
參數(shù)資料
型號: ADV7173KSTZ
廠商: Analog Devices Inc
文件頁數(shù): 59/60頁
文件大小: 0K
描述: IC DAC VIDEO NTSC 6-CH 48LQFP
標(biāo)準(zhǔn)包裝: 1
類型: 視頻編碼器
應(yīng)用: 多媒體
電壓 - 電源,模擬: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 托盤
產(chǎn)品目錄頁面: 786 (CN2011-ZH PDF)
REV. B
ADV7172/ADV7173
–8–
t3
t2
t6
t1
t7
t5
t3
t4
t8
SDATA
SCLOCK
Figure 1. MPU Port Timing Diagram
t9
t11
CLOCK
PIXEL INPUT
DATA
t10
t12
HSYNC,
FIELD/
VSYNC,
BLANK
Cb
Y
Cr
Y
Cb
Y
HSYNC,
FIELD/
VSYNC,
BLANK,
CSO_HSO,
VSO, CLAMP
t13
t14
CONTROL
I/PS
CONTROL
O/PS
Figure 2. Pixel and Control Data Timing Diagram
t16
t17
TTXREQ
CLOCK
TTX
4 CLOCK
CYCLES
4 CLOCK
CYCLES
4 CLOCK
CYCLES
3 CLOCK
CYCLES
4 CLOCK
CYCLES
t18
Figure 3. Teletext Timing Diagram
DAC Average Current Consumption
DAC D, E, F: The average current consumed by each DAC is the DAC output current as determined by RSET2/VREF (see Appendix 8).
DAC A, B, C: In normal power mode the average current consumed by each DAC is the DAC output current as determined by RSET1
(see Appendix 8).
In Low Power Mode the average current consumed by each DAC is approximately half the DAC output current as determined by RSET1.
Consult AN-551 for detailed information on ADV7172/ADV7173 power management.
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