TDA9209 datasheet(13/22 Pages) STMICROELECTRONICS

13 / 22 page

TDA9209

13/22

AC ELECTRICAL CHARACTERISTICS (continued)

Tamb =25°C, VCCA = 5V, VCCP= 8V, Vi = 0.7 VPP,CLOAD = 5 pF, unless otherwise specified

ABL (PIN 2)

VIDEO DETECTION

Symbol

Parameter

Test Condit ions

Min.

Typ.

Max. Units

CUT-OFF OUTPUTS (AC COUPLING MODE) - (Pins 15, 16, 22)

COmax

Maximum Cut-off Output Level

Max. Cut-off (Cut-off = 255 dec)

and Sourced Current = 200

µA

4.7

COmin

Minimum Cut-off Output Level

Min. Cut-off (Cut-off = 0 dec)

and Sinked Current = 2mA

0.1

COTD

Cut-off Output Voltage Drift

Tj Variation = 100°C

0.5

COHIin

Maximum Cut-off Output Voltage

(linear region)

Cut-off =235dec

(Sourced Current = 200

µA)

4.6

COLIin

Minimum Cut-off Output Voltage

(linear region)

Cut-off = 10 dec

(Sinked current = 2mA)

0.17

COstep

Cut-off Output Step (linear region)

FEEDBACK INPUTS (DC WITH FEEDBACK MODE)

VFBmax

VFBmin

Controlled Feedback Input Level

Maximum

Minimum

Max. Cut-off (Cut-off = 255 dec)

Min. Cut-off (Cut-off = 1 dec)

2.5

VFBstep

Controlled Feedback Input Level Step

IFB

input Current on Feedback inputs

2.5V

µA

≤

GABLmin

GABLmax

ABL Mini Attenuation

ABL Maxi Attenuation

VABL 3.2 V

VABL =1 V

VABL

ABL Threshold Voltage

For output attenuation

IABLhigh

IABLlow

High ABL Input Current

Low ABL Input Current

VABL = 3.2V

VABL =1V

-2

µA

≥

VTHAV

Comparator Threshold

120

DELAY

Delay between Video Output

and AV output

3pF load on AV out (Pin8)

PixAV

Minimum pixel width

Vin = 0.7VPP

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