ADV7190KST datasheet(6/69 Pages) AD

Il numero della parte	ADV7190KST

Spiegazioni elettronici	Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs

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ADV7190/ADV7191

–6–

REV. 0

5 V TIMING CHARACTERISTICS

Parameter

Min

Typ

Max

Unit

Test Conditions

MPU PORT

2

SCLOCK Frequency

0

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 First 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

ANALOG OUTPUTS

2

Analog Output Delay

8

ns

DAC Analog Output Skew

0.1

ns

CLOCK CONTROL AND PIXEL

PORT

3

fCLOCK

27

MHz

Clock High Time, t9

8ns

Clock Low Time, t10

8ns

Data Setup Time, t11

6ns

Data Hold Time, t12

5ns

Control Setup Time, t11

6ns

Control Hold Time, t12

4ns

Digital Output Access Time, t13

13

ns

Digital Output Hold Time, t14

12

ns

Pipeline Delay, t15 (2

× Oversampling)

57

Clock Cycles

Pipeline Delay, t15 (4

× Oversampling)

67

Clock Cycles

TELETEXT PORT

4

Digital Output Access Time, t16

11

ns

Data Setup Time, t17

3ns

Data Hold Time, t18

6ns

RESET CONTROL

RESET Low Time

3

20

ns

PLL

2

PLL Output Frequency

54

MHz

NOTES

1Temperature range T

MIN to TMAX: 0

°C to 70°C.

2Guaranteed by characterization.

3Pixel Port consists of:

Data: P15–P0 Pixel Inputs,

Control:

HSYNC, VSYNC, BLANK,

Clock: CLKIN Input.

4Teletext Port consists of:

Digital Output: TTXRQ,

Data: TTX.

Speciﬁcations subject to change without notice.

(VAA = 5 V

250 mV, VREF = 1.235 V, RSET1,2 = 1200

unless otherwise noted. All speciﬁcations

TMIN to TMAX

1 unless otherwise noted.)

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