ADV7197_15 datasheet(4/20 Pages) AD

Nome de Peças	ADV7197

Descrição Electrónicos	Multiformat HDTV Encoder with Three 11-Bit DACs

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Fabricante Electrônico	AD [Analog Devices]

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–4–

ADV7197–SPECIFICATIONS

5 V DYNAMIC–SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

Luma Bandwidth

13.5

MHz

Chroma Bandwidth

6.75

MHz

Signal-to-Noise Ratio

64

dB Luma Ramp Unweighted

Chroma/Luma Delay Inequality

0

ns

Specifications subject to change without notice.

3.3 V DYNAMIC–SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

Luma Bandwidth

13.5

MHz

Chroma Bandwidth

6.75

MHz

Signal-to-Noise Ratio

64

dB Luma Ramp Unweighted

Chroma/Luma Delay Inequality

0

ns

Specifications subject to change without notice.

5 V TIMING–SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

Conditions

MPU PORT

1

SCLOCK Frequency

10

400

kHz

SCLOCK High Pulsewidth, t1

0.6

µs

SCLOCK Low Pulsewidth, t2

1.3

µs

Hold Time (Start Condition), t3

0.6

µs

After This Period the 1st Clock Is Generated

Setup Time (Start Condition), t4

0.6

µs

Relevant for Repeated Start Condition

Data Setup Time, t5

100

ns

SDATA, SCLOCK Rise Time, t6

300

ns

SDATA, SCLOCK Fall Time, t7

300

ns

Setup Time (Stop Condition), t8

0.6

µs

RESET Low Time

100

ns

ANALOG OUTPUTS

Analog Output Delay

2

10

ns

Analog Output Skew

0.5

ns

CLOCK CONTROL AND PIXEL PORT

3

fCLK

74.25

MHz

HDTV Mode

tCLK

81

MHz

Async Timing Mode

Clock High Time, t9

5

1.5

ns

Clock Low Time, t10

5

2.0

ns

Data Setup Time, t11

2.0

ns

Data Hold Time, t12

4.5

ns

Control Setup Time, t11

7ns

Control Hold Time, t12

4.0

ns

Pipeline Delay

16

Clock Cycles

For 4:4:4 Pixel Input Format

NOTES

1Guaranteed by characterization.

2Output delay measured from the 50% point of the rising edge of CLOCK to the 50% point of DAC output full-scale transition.

3Data: Cb/Cr (9:0), Cr (9:0), Y (9:0); Control:

HSYNC/SYNC, VSYNC/TSYNC; DV

Specifications subject to change without notice.

(VAA = 4.75 V to 5.25 V, VREF = 1.235 V, RSET = 2470

, RLOAD = 300

. All specifications TMIN

to TMAX [0 C to 70 C] unless otherwise noted.)

(VAA = 3.15 V to 3.45 V, VREF = 1.235 V, RSET = 2470

, RLOAD = 300

. All specifications

TMIN to TMAX [0 C to 70 C] unless otherwise noted.)

(VAA = 4.75 V to 5.25 V, VREF = 1.235 V, RSET = 2470

, RLOAD = 300

. All specifications TMIN

to TMAX [0 C to 70 C] unless otherwise noted.)

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ADV7197 Folha de dados(PDF) 4 Page - Analog Devices

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