MAX9526AEI/V(2010) 데이터 시트보기 (PDF) - Maxim Integrated
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MAX9526AEI/V Datasheet PDF : 38 Pages
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Low-Power, High-Performance
NTSC/PAL Video Decoder
Typical Operating Characteristics
(VAVDD = VDVDD = +1.8V, VDVDDIO = 3.3V, VAGND = VDGND = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.)
FULL-SCALE
CONVERSION RANGE
800
ANALOG INPUT
FILTER RESPONSE
0
ADC EFFECTIVE NUMBER OF BITS
vs. INPUT FREQUENCY
10.0
AGCGAIN = 0000
9.5 DIGITAL ANTI-ALIASING FILTER DISABLED
600
-10
9.0
8.5
-20
400
8.0
-30
7.5
200
0
5
10
15
GAIN CODE (Reg0x0A[3:0]) (DECIMAL)
ADC SNR
vs. GAIN CODE
60
59
58
57
56
55
54
53
52
51
50
0
5
10
15
AGC GAIN CODE (REG0x0A[3:0]) (DECIMAL)
DIGITAL Cb/Cr FILTER
10
0
-10
-20
-30
-40
-50
-60
-70
NTSC
PAL
-80
0
2
4
6
8
10
FREQUENCY (MHz)
-40
7.0
0.1
1
10
100
0
2
4
6
FREQUENCY (MHz)
FREQUENCY (MHz)
DIGITAL COMPOSITE
ANTI-ALIASING FILTER
10
DIGITAL Y FILTER
10
0
0
-10
-10
-20
-20
-30
-30
-40
-40
-50
-50
-60
-60
-70
-70
-80
0
10
20
FREQUENCY (MHz)
-80
30
0
10
20
30
FREQUENCY (MHz)
DIGITAL NOTCH FILTER
10
0
DECODED VIDEO OUTPUT
100% COLOR BARS (Y WAVEFORM)
1000
-10
800
-20
-30
600
-40
400
-50
-60
200
-70
NTSC
PAL
-80
0
0
2
4
6
8
0
FREQUENCY (MHz)
20
40
60
TIME (μs)
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