TDA9109A datasheet(16/47 Pages) STMICROELECTRONICS

16 / 47 page

TDA9109A

16/47

GEOMETRY CONTROL SECTION

Electrical Characteristics (VCC = 12V, Tamb =25°C)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Units

East/West E/W FUNCTION

EWDC

DC Output Voltage with:

- typical VPOS

- Keystone inhibited

Pin 24, see Figure 2

2.5

TDEWDC

DC Output Voltage Thermal Drift

See 15

100

ppm/

EWpara

Parabola Amplitude with:

- Max. VAMP,

- Typ. VPOS,

- Keystone and Corner inhibited

Subaddress 0A

Byte 11111111

Byte 11000000

Byte 10000000

2.5

1.25

VPP

EWtrack

Parabola Amplitude Function of VAMP

Control (tracking between VAMP and

E/W) with:

- Typ. VPOS,

- Typ. E/W Amplitude,

- Corner and Keystone inhibited (17)

Subaddress 05

Byte 10000000

Byte 11000000

Byte 11111111

0.45

0.80

1.45

VPP

KeyAdj

Keystone Adjustment Capability with: -

- Typ. VPOS,

- E/W inhibited,

- Corner inhibited and

- Max. Vertical Amplitude

(see 17 and Figure 4)

Subaddress 09

Byte 10000000

Byte 11111111

VPP

Corner

Corner Adjustment Capability with:

- Typ. VPOS,

- E/W inhibited,

- Keystone inhibited

- Max. Vertical Amplitude

Subaddress 10

Byte 11111111

Byte 11000000

Byte 10000000

−3

VPP

KeyTrack

Intrinsic Keystone Function of VPOS

Control (tracking between VPOS and

E/W) with:

- Max. E/W Amplitude

- Max. Vertical Amplitude

A/B Ratio

B/A Ratio

Subaddress 06

Byte 00000000

Byte 01111111

0.52

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