LM2467 datasheet(4/43 Pages) NSC

4 / 43 page

Video Signal Electrical Characteristics (Continued)

Unless otherwise noted: T

A = 25˚C, VCC = +5.0V, VIN = 0.70 VP-P,VABL =VCC,CL = 8 pF, Video Outputs = 2.0 VP-P. Setting

numbers refer to the definitions in Table 1. See (Note 7) for Min and Max parameters and (Note 6) for Typicals.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

ABL TH

ABL Control Range Upper Limit

(Note 12), Test Setting 4, AC input

signal.

4.8

ABL Range

ABL Gain Reduction Range

(Note 12), Test Setting 4, AC input

signal.

2.8

V 3.5/AV Max

ABL Gain Reduction at 3.5V

(Note 12), Test Setting 4, AC input

signal. V

ABL = 3.5V

−2

V 2.0/AV Max

ABL Gain Reduction at 2.0V

(Note 12), Test Setting 4, AC input

signal. V

ABL = 2.0V

−12

ABL Active

ABL Input Bias Current during

ABL

(Note 12), Test Setting 4, AC input

signal. V

ABL =VABL MIN GAIN

µA

ABL Max

ABL Input Current Sink Capability (Note 12), Test Setting 4, AC input

signal.

1.0

ABL Max

Maximum ABL Input Voltage

during Clamping

(Note 12), Test Setting 4, AC input

signal. I

ABL =IABL MAX

CC +

0.1

V ABL Track

ABL Gain Tracking Error

(Note 9), Test Setting 4, 0.7 V

P-P

input signal, ABL voltage set to 4.5V

and 2.5V.

4.5

Minimum Input Resistance (pins

5, 6, 7)

Test Setting 4.

Ω

OSD Electrical Characteristics

Unless otherwise noted: T

A = 25˚C, VCC = +5.0V. See (Note 7) for Min and Max parameters and (Note 6) for Typicals.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

OSDHIGH max

Maximum OSD Level with OSD

Contrast 11

Palette Set at 111, OSD Contrast =

11, Test Setting 3

4.5

OSDHIGH 10

Maximum OSD Level with OSD

Contrast 10

Palette Set at 111, OSD Contrast =

10, Test Setting 3

3.9

OSDHIGH 01

Maximum OSD Level with OSD

Contrast 01

Palette Set at 111, OSD Contrast =

01, Test Setting 3

3.2

OSDHIGH 00

Maximum OSD Level with OSD

Contrast 00

Palette Set at 111, OSD Contrast =

00, Test Setting 3

2.4

∆V

OSD (Black)

Difference between OSD Black

Level and Video Black Level (same

channel)

Black, Same Channel, Test Setting

∆V

BL,OSD-Video

(Ch-Ch)

Difference between OSD Black

Level and Video Black Level

between any two channels

Black, Same Channel, Same

Channel, Test Setting 8

∆V

OSD (White)

Output Match between Channels

Palette Set at 111, OSD Contrast =

11, Maximum difference between R,

G, and B

∆V

OSD/VVideo

(White)

Matching of OSD to Video peak to

peak amplitude ratios between

channels, normalized to the

smallest ratio.

Palette Set at 111, OSD Contrast =

10, Test Setting 4

OSD-out (Track)

Output Variation between Channels OSD contrast varied from max to

min

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