TDA9109A datasheet(13/47 Pages) STMICROELECTRONICS

13 / 47 page

TDA9109A

13/47

VERTICAL SECTION

Operating Conditions

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

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Units

OUTPUTS SECTION

RLOAD

Minimum Load for less than 1% Verti-

cal Amplitude Drift

Pin 20

Ω

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Units

VERTICAL RAMP SECTION

VRB

Voltage at Ramp Bottom Point

Pin 22

2.1

VRT

Voltage at Ramp Top Point (with Sync)

Pin 22

5.1

VRTF

Voltage at Ramp Top Point (without

Sync)

Pin 22

VRT-

0.1

VSTD

Vertical Sawtooth Discharge Time

Pin 22, C22 = 150nF

µs

VFRF

Vertical Free Running Frequency

(See 11)

C22 = 150nF

100

ASFR

AUTO-SYNC Frequency (See 12)C22 = 150nF ±5%

185

RAFD

Ramp Amplitude Drift Versus

Frequency at Maximum Vertical

Amplitude (see 10)

C22 = 150nF

50Hz< f < 185Hz

200

ppm/

Rlin

Ramp Linearity on Pin 22 (See 11)

2.5V < V27 < 4.5V

0.5

VPOS

Vertical Position Adjustment Voltage

(Pin 23 - VOUT mean value)

Sub Address 06

Byte 00000000

Byte 01000000

Byte 01111111

3.2

3.6

4.0

VOR

Vertical Output Voltage

(peak-to-peak on Pin 23)

Sub Address 05

Byte 10000000

Byte 11000000

Byte 11111111

2.15

3.0

3.9

VOI

Vertical Output Maximum Current

(Pin 23)

±5mA

dVS

Max Vertical S-Correction Amplitude

(See 13)

0xxxxxxx inhibits S-CORR

11111111 gives max S-CORR

Sub Address 07

Byte 11111111

∆V/V

PP at TV/4

∆V/V

PP at 3TV/4

-3.5

3.5

Ccorr

Vertical C-Corr Amplitude

0xxxxxxx inhibits C-CORR

Sub Address 08

∆V/V

PP at TV/2

Byte 10000000

Byte 11000000

Byte 11111111

-3

VMOIRE

Vertical Moiré

Sub Address 0C

Byte 01X11111

6mV

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