ASX340AT datasheet(47/54 Pages) ONSEMI

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ASX340AT

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TABLE 44. POWER CONSUMPTION – CONDITION 1 (CONTINUED)

(EXTCLK = 27 MHz; T = 25°C, dark condition (lens with cover))

Power Plane

Unit

Max Power

Typ Power

Condition 1

Supply

VDD_DAC

2.8

Single 75W

122.9

146

VDD_PLL

2.8

18.8

Total

290.3

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

Max Power

Unit

VDD

1.8

47.5

VDD_IO

2.8

Parallel on

26.6

VAA

2.8

95.5

140

VAA_PIX

2.8

2.2

VDD_DAC

2.8

VDAC off

1.1

VDD_PLL

2.8

18.8

Total

191.7

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

Notes

Number of lines per frame

525

625

Line Frequency

15734.264

15625

Field Frequency

59.94

Sync Level

IRE

2, 3

Burst Level

IRE

2, 3

Black Level

7.5

IRE

1, 2, 3

White Level

100

IRE

1, 2, 3

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

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