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TDA8310A

PAL/NTSC colour processor
for PIP applications

Product specification
Supersedes data of 1995 Nov 29
File under Integrated Circuits, IC02

1996 Jan 25

Philips Semiconductors Product specification

PAL/NTSC colour processor
for PIP applications

FEATURES

• Video switch with 2 CVBS inputs. One input can be
switched between CVBS and Y/C and the circuit can
automatically detect whether the incoming signal is
CVBS or Y/C

• Integrated chrominance trap and bandpass filters
(automatically calibrated)

• Integrated luminance delay line

• Automatic PAL/NTSC decoder which can decode all

standards available in the world

• Easy interfacing with the TDA8395 (SECAM decoder)
for multistandard applications

• Horizontal PLL with an alignment-free horizontal
oscillator

• Vertical count-down circuit

• RGB/YUV and fast blanking switch with 3-state output

and active clamping

• Low dissipation (560 mW)

• Small amount of peripheral components compared with

competition ICs.

TDA8310A

GENERAL DESCRIPTION

The TDA8310A is an alignment-free PAL/NTSC colour
processor for Picture-in-Picture (PIP) applications.
The main difference between the TDA8310 and the
TDA8310A is that the vision IF amplifier has been omitted
in the TDA8310A. Therefore, the circuit contains an input
signal selector, a PAL/NTSC colour decoder, horizontal
and vertical synchronization and an RGB/YUV switch.

The input signal selector has 2 CVBS inputs. One of the
inputs can be switched between CVBS and Y/C and the
circuit can automatically detect whether the incoming
signal is CVBS or Y/C. The output signals for the PIP
processor are;

Luminance signal
Colour difference signals (U and V)
Horizontal and vertical synchronization pulses.

The RGB/YUV switch can select between two RGB or
YUV sources, e.g. between the PIP processor and the
SCART input signal.

The supply voltage for the IC is 8 V. It is available in a
52-pin SDIP package.

ORDERING INFORMATION

TYPE NUMBER

NAME DESCRIPTION VERSION

TDA8310A SDIP52 plastic shrink dual in-line package; 52 leads (600 mil) SOT247-1

PACKAGE

1996 Jan 25 2

Philips Semiconductors Product specification

PAL/NTSC colour processor

TDA8310A

for PIP applications

QUICK REFERENCE DATA

SYMBOL PARAMETER MIN. TYP. MAX. UNIT

V

P

I

P

Input voltages

V

17,20(p-p)

V

16(p-p)

V

i(p-p)

Output signals

V

o(p-p)

V

50(p-p)

V

51(p-p)

V

39

V

36

G

v

Control voltage

V

control

supply voltage (pins 19 and 41) 7.2 8.0 8.8 V
supply current − 70 1.4 mA

CVBS/Y input voltage (peak-to-peak value) − 1.0 − V
chrominance input voltage (peak-to-peak value) − 0.3 − V
RGB/YUV input signal voltage amplitude

−−1.3 V

(peak-to-peak value)

luminance output voltage (peak-to-peak value) − 1.4 − V
(B−Y) output voltage (peak-to-peak value) 1.06 1.33 1.6 V
(R−Y) output voltage (peak-to-peak value) 0.84 1.05 1.26 V
horizontal sync pulse output voltage − 4.0 − V
vertical sync pulse output voltage − 4.0 − V
voltage gain of the RGB switches −0.5 0 +0.5 dB

control voltage for HUE 0 − 5.0 V

1996 Jan 25 3

Philips Semiconductors Product specification

PAL/NTSC colour processor
for PIP applications

BLOCK DIAGRAM

B112G111R1

10

40

SAND

GENERATOR

SANDCASTLE

36

VOUT

39

HOUT

PULSE

SHAPER

INTB

30

BLANK1

13

CLAMP

14

RGB/YUV

DIVIDER

VERTICAL

HORIZONTAL/

SWITCH

5B6G7R8

TDA8310A

B23G22R21BLANK

BLANK2

52

IDENT

4

HUE

28

Y

49

DELAY LINE

LUMINANCE

MGD128

18 38

50 51

23

24

25

27 26

42

TDA8310A

GND1 GND3

R Y

B Y

LOGIC2

LOGIC1

COLOUR2

COLOUR1

R/W

XTAL1

41

P2

V

19

P1

V

DIG

DEC

21

BG

DEC

35

PH1LF

37

+

VCO

CONTROL

PHASE

DETECTOR

NOISE

DETECTOR

COINCIDENCE/

VERTICAL

SYNC

22, 29

i.c.

SYNC

SEPARATOR

SEPARATOR

33, 34

n.c.

FT

DEC

FILTER

TUNING

TRAP

CHROMINANCE

BANDPASS

CHROMINANCE

15

REF

32

CVBS

SW

PAL/NTSC

DECODER

INPUT

SELECTOR

Y/C

DETECTOR

AUTOMATIC

XTAL2

43

XTAL3

44

PLL XTAL4

46 45

48

O

SECAM

4716

I

CHROMA

CHROMA

917

20

31

EXT

CVBS

SW

SYST

INT

CVBS

GND2

handbook, full pagewidth

Fig.1 Block diagram.

1996 Jan 25 4

Philips Semiconductors Product specification

PAL/NTSC colour processor
for PIP applications

PINNING

SYMBOL PIN DESCRIPTION

R2 1 RED input 2 (PIP)
G2 2 GREEN input 2 (PIP)
B2 3 BLUE input 2 (PIP)
IDENT 4 colour standard identification output
BLANK 5 blanking output
B 6 BLUE output
G 7 GREEN output
R 8 RED output
SYST

SW

R1 10 RED input 1
G1 11 GREEN input 1
B1 12 BLUE input 1
BLANK1 13 blanking input 1
CLAMP 14 clamping pulse input
DEC

FT

CHROMA
CVBS

EXT

GND1 18 ground 1 (0 V)
V

P1

CVBS

INT

DEC

DIG

i.c. 22 internally connected (test purposes)
LOGIC2 23 crystal logic 2 input/output
LOGIC1 24 crystal logic 1 input/output
COLOUR2 25 colour system logic 2 input/output
COLOUR1 26 colour system logic 1 input/output

W 27 read/write selection input

R/

9 CVBS/system switch

15 decoupling filter tuning
16 chrominance input

I

17 external CVBS/Y input

19 supply voltage 1 (+8 V)
20 internal CVBS input
21 decoupling digital supply rail

TDA8310A

SYMBOL PIN DESCRIPTION

HUE 28 HUE control input
i.c. 29 internally connected (test purposes)
INTB 30 internal bias
GND2 31 ground 2 (0 V)
CVBS

SW

n.c. 33 not connected
n.c. 34 not connected
DEC

BG

VOUT 36 vertical sync output pulse
PH1LF 37 phase 1 loop filter
GND3 38 ground 3 (0 V)
HOUT 39 horizontal sync output pulse
SAND 40 sandcastle pulse output
V

P2

XTAL1 42 4.4336 MHz crystal
XTAL2 43 3.5820 MHz crystal for PAL-N
XTAL3 44 3.5756 MHz crystal for PAL-M
XTAL4 45 3.5795 MHz crystal for NTSC
PLL 46 PLL colour filter
CHROMA
SECAM 48 SECAM reference output
Y 49 Y output
B−Y50B−Y output
R−Y51R−Y output
BLANK2 52 blanking/insertion input 2 (PIP)

32 CVBS positive/negative modulation

control switch input

35 bandgap decoupling

41 supply voltage 2 (+8 V)

47 chrominance output for TDA8395

O

1996 Jan 25 5

Philips Semiconductors Product specification

PAL/NTSC colour processor
for PIP applications

handbook, halfpage

SYST

BLANK1

CHROMA
CVBS

CVBS

DEC

COLOUR2
COLOUR1

R2
G2
B2

IDENT

BLANK

SW

R1
G1
B1

CLAMP

DEC

FT

EXT

GND1

V

P1

INT

DIG

i.c.
LOGIC2
LOGIC1

B
G
R

I

1
2
3
4
5
6
7
8

9
10
11
12
13

TDA8310A

14
15
16
17
18
19
20
21
22
23
24
25
26

MGD127

52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27

BLANK2
R−Y
B−Y
Y
SECAM
CHROMA
PLL
XTAL4
XTAL3
XTAL2
XTAL1
V

P2

SAND
HOUT
GND3
PH1LF
VOUT
DEC

BG

n.c.
n.c.
CVBS

SW

GND2
INTB
i.c.
HUE
R/W

TDA8310A

O

1996 Jan 25 6

Fig.2 Pin configuration.