TDA3566 datasheet(2/24 Pages) PHILIPS

2 / 24 page

February 1994

Philips Semiconductors

Product speciﬁcation

PAL/NTSC decoder

TDA3566A

FEATURES

• A black-current stabilizer which

controls the black-currents of the

three electron-guns to a level low

enough to omit the black-level

adjustment

• Contrast control of inserted RGB

signals

• No black-level disturbance when

non-synchronized external RGB

signals are available on the inputs

• NTSC capability with hue control.

APPLICATIONS

• Teletext/broadcast antiope

• Channel number display.

GENERAL DESCRIPTION

The TDA3566A is a decoder for the

PAL and/or NTSC colour television

standards. It combines all functions

required for the identification and

demodulation of PAL/NTSC signals.

Furthermore it contains a luminance

amplifier, an RGB-matrix and

amplifier. These amplifiers supply

output signals up to 4 V peak-to-peak

(picture information) enabling direct

drive of the discrete output stages.

The circuit also contains separate

inputs for data insertion, analog and

digital, which can be used for text

display systems.

QUICK REFERENCE DATA

All voltages referenced to ground.

ORDERING INFORMATION

SYMBOL

PARAMETER

MIN.

TYP.

MAX.

UNIT

Supply

supply voltage (pin 1)

−

supply current (pin 1)

−

Luminance ampliﬁer (pin 8)

V8(p-p)

input voltage (peak-to-peak value)

−

450

−

CON

contrast control

−

16.5

−

Chrominance ampliﬁer (pin 4)

V4(p-p)

input voltage (peak-to-peak value)

−

1100

SAT

saturation control

−

RGB matrix and ampliﬁers

V13, 15, 17(p-p)

output voltage at nominal luminance and contrast

(peak-to-peak value)

−

3.8

−

Data insertion

V12, 14, 16(p-p)

input signals (peak-to-peak value)

−

Data blanking (pin 9)

input voltage for data insertion

0.9

−

Sandcastle input (pin 7)

blanking input voltage

−

1.5

−

burst gating and clamping input voltage

−

EXTENDED TYPE

NUMBER

PACKAGE

PINS

PIN POSITION

MATERIAL

CODE

TDA3566A

DIL

plastic

SOT117

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