ASX340AT_16 Datasheet, PDF (47/54 Pages) ON Semiconductor – 1/4‐inch Color CMOS NTSC/PAL Digital Image SOC

ASX340AT
TABLE 44. POWER CONSUMPTION – CONDITION 1 (CONTINUED)
(EXTCLK = 27 MHz; T = 25°C, dark condition (lens with cover))
Power Plane
Supply
Condition 1
Typ Power
VDD_DAC
2.8
Single 75W
122.9
VDD_PLL
2.8
18.8
Total
290.3
Max Power
146
25
398
Analog output uses single-ended mode: DAC_Pos = 75 Ω,
DAC_Neg = 37.5 Ω, DAC_Ref = 2.4 kΩ, parallel output is
disabled.
TABLE 45. POWER CONSUMPTION – CONDITION 2
(^fEXTCLK = 27 MHz; T = 25°C, dark condition (lens with cover), CLOAD = 40pF)
Power Plane
Supply
Condition 1
Typ Power
VDD
1.8
47.5
VDD_IO
2.8
Parallel on
26.6
VAA
2.8
95.5
VAA_PIX
2.8
2.2
VDD_DAC
2.8
VDAC off
1.1
VDD_PLL
2.8
18.8
Total
191.7
Max Power
72
50
140
5
5
25
297
Analog output is disabled; parallel output is enabled.
VIDEO Signal Parameters
TABLE 46. KEY VIDEO SIGNAL PARAMETER TABLE
(^fEXTCLK = 27 MHz; VDD = 1.8 V; VDD_IO = 2.8 V; VAA = 2.8 V; VAA_PIX = 2.8 V;
VDD_PLL = 2.8 V; VDD_DAC = 2.8 V)
Parameter
NTSC
PAL
UNITS
Number of lines per frame
525
625
Hz
Line Frequency
15734.264
15625
Hz
Field Frequency
59.94
50
Hz
Sync Level
40
43
IRE
Burst Level
40
43
IRE
Black Level
7.5
0
IRE
White Level
100
100
IRE
1. Black and white levels are referenced to the blanking level.
2. 1 IRE ~ 7.14 mV
3. DAC ref = 2.8 Kohm; load = 37.5 Ohm
4. Reference to ITU−R BT.470−6
Unit
mW
mW
mW
Unit
mW
mW
mW
mW
mW
mW
mW
Notes
2, 3
2, 3
1, 2, 3
1, 2, 3
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