VAA = 4.75 V to 5.25 V," />
參數(shù)資料
型號： ADV7177KSZ-REEL
廠商： Analog Devices Inc
文件頁數(shù)： 44/44頁
文件大小： 0K
描述： IC DAC VIDEO NTSC 3-CH 44MQFP
產(chǎn)品變化通告： ADV7xxx Obsolescence 16/Jan/2012
標(biāo)準(zhǔn)包裝： 800
類型： 視頻編碼器
應(yīng)用： 機(jī)頂盒，電視
電壓 - 電源，模擬： 3 V ~ 3.6 V
安裝類型： 表面貼裝
封裝/外殼： 44-QFP
供應(yīng)商設(shè)備封裝： 44-MQFP（10x10）
包裝： 帶卷 (TR)
ADV7177/ADV7178
Rev. C | Page 9 of 44
5 V TIMING SPECIFICATIONS
VAA = 4.75 V to 5.25 V,1 VREF = 1.235 V, RSET = 300 . All specifications TMIN to TMAX,2 unless otherwise noted.
Table 5.
Parameter
Conditions
Min
Typ
Max
Unit
SCLOCK Frequency
0
100
kHz
SCLOCK High Pulse Width, t1
4.0
s
SCLOCK Low Pulse Width, t2
4.7
s
Hold Time (Start Condition), t3
After this period, the first clock is generated
4.0
s
Setup Time (Start Condition), t4
Relevant for repeated start condition
4.7
s
Data Setup Time, t5
250
ns
SDATA, SCLOCK Rise Time, t6
1
s
SDATA, SCLOCK Fall Time, t7
300
ns
Setup Time (Stop Condition), t8
4.7
s
ANALOG OUTPUTS3, 5
Analog Output Delay
5
ns
DAC Analog Output Skew
0
ns
CLOCK CONTROL AND PIXEL PORT3, 4, 6
fCLOCK
27
MHz
Clock High Time, t9
8
ns
Clock Low Time, t10
8
ns
Data Setup Time, t11
3.5
ns
Data Hold Time, t12
4
ns
Control Setup Time, t11
4
ns
Control Hold Time, t12
3
ns
Digital Output Access Time, t13
24
ns
Digital Output Hold Time, t14
4
ns
Pipeline Delay, t15
37
Clock Cycles
RESET CONTROL3, 4
RESET Low Time
6
ns
INTERNAL CLOCK CONTROL
Clock/2 Rise Time, t16
7
ns
Clock/2 Fall Time, t17
7
ns
OSD TIMING4
OSD Setup Time, t18
6
ns
OSD Hold Time, t19
2
ns
1 The max/min specifications are guaranteed over this range.
2 Temperature range TMIN to TMAX: 0°C to 70°C.
3 TTL input values are 0 V to 3 V, with input rise/fall times ≤ 3 ns, measured between the 10% and 90% points. Timing reference points at 50% for inputs and outputs.
Analog output load
≤ 10 pF.
4 Guaranteed by characterization.
5 Output delay measured from the 50% point of the rising edge of CLOCK to the 50% point of full-scale transition.
6 Pixel port consists of the following:
Pixel inputs: P15–P0
Pixel controls: HSYNC, FIELD/VSYNC, BLANK
Clock input: CLOCK
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