Datasheet TEA2130 Datasheet (SGS Thomson Microelectronics)

TEA2130

TV AND SATELLITE DECOD ER SC ANN ING PR OCESSO R

.

AUTOMATIC TIME CONSTANT SWITCHING
FOR VCR

.

DIGITAL VIDEO IDENTIFICATION CIRCUIT

.

500kHz RESONATOR OSCILLA T OR

.

NO LINE AND FRAME OSCILLATOR AD­JUSTMENT

.

DUAL PLL FOR LINE DEFLECTION

.

SUPER SANDCASTLE OUTPUT

.

AUTOMATIC 50Hz/60Hz STANDARD IDENTI­FICATION

.

EXCELLENT INTE RLACING CONTROL

.

FRAME SAFETY INPUT

.

FRAME SAWTOOTH GENERATOR

.

FULLY ESD A ND LATCH-UP PROT ECT E D

DIP20

(Plastic Package)

DESCRIP TION

The TEA2130 is a complete (horizontal and verti­cal) deflection processor, for TV applications and
all applications which require a flexible, high per­formance scanning processor (Satellite Decoder,
Video Multimedia).

PIN CONNECTIONS

REFERENCE VOLTAGE

VCR DETECTOR OUTPUT

Φ1 FILTER

GROUND

V

FRAME SAFETY INPUT

IDENTIFICATION OUTPUT

LINE SAW-TOOTH

CURRENT REFERENCE

LINE MONOSTABLE CAPACITOR

CC

1
2
3
4
5
6
7
8
9
10

20
19
18
17
16
15
14
13
12
11

ORDER CODE : TEA2130

NOISE MEASUREMENT OUTPUT
VIDEO INPUT
50% CAPACITOR
VCO INPUT
FRAME SAW-TOOTH GENERATOR
FRAME SAW-TOOTH OUTPUT

2 FILTER

Φ

LINE FLYBACK INPUT
SUPER SANDCASTLE OUTPUT
LINE OUTPUT

September 1993

2130-01.EPS

1/8

TEA2130

BLOCK DIAGRAM

19

20

1

2

3

NOISE

MEASURMENT

V /2

CC

AUTO VCR

SWIT CH

2µs

DIGITAL MU T

LINE SYNCHRO

SEPARATOR

LS

Φ

1

2µs

Mute

GND

V

REF

500kHz

Burst

ϕ1

1718

VCO

500kHz

Mute

LINE LOGIC

V

CC

ϕ2

FRAME

SEPARATOR

FRAME

LOGIC

Mute

FRAME SECURITY

DETECTION

50/60Hz

6754

Ident 60Hz

Burst

PHASE CONTR O L

LINE OUTPUT

50/60Hz &

MUT OUTPUT

FRAME SAWTOOTH

SUPER SAND

CASTL E G ENERATO R

LINE

MONOST

1.3V

REFERENCE

Mute

RAZ

LINE SAWTOOTH

GENERATOR

1516

GENERATOR

RAZ

Φ

2

VOLTAGE

Inhibition

LINE

OUTPUT

1.3V

14

13
12

11

10

9

8

2130-02.EPS

GENERAL DES CRI PTI O N
Introd uction

This integrated c ircuit us es high dens ity I2L bipolar
technology and combines analog signal process­ing with digital processing.

Timing signals are obtained from a voltage-c ontrol­led oscillator (VCO) operating at 500kHz by means
of a cheap ceramic resonator. This avoid the fre­quency adjustment normally required with line and
frame oscillators.

A chain of dividers and appropriate logic circuitry
produces very accurate defined sampling pulses
and the necessary timing signals.

Internal Functi o ns

- Horizontal scanning processor

- Frame scanning proc essor

- B class frame output stage using an external
power amplifier with flyback generator

- Line and frame synchronization separation

- Dual phase-locked loop horizontal scanning

- High performance frame and line sync hronization
with interlacing control.

- Supersandcastle generator with reduced burst
gate pulse for 60Hz

- Automatic 50Hz / 60Hz standard identification

- Frame saw-tooth generator

- Digital video identification circuit

- Very steady free running mode of the line and
frame oscillator when no video is detected. This
allows on screen display without phase Jitter in
research mode of the tuner

- Automatic VCR mode recognition for time con­stant switching

- Frame safety input

WORKING DES CRI PT IO N
Synchronization Separator

Line synchronization separator is clamped to black
level of input video signal with synchronization
pulse bottom level measurement.

The synchronization pulses are divided centrally
between the black level and the synchronization
pulse bottom level, to improve performance on
video signal in noise conditions.

2/8

TEA2130

Frame Synchronizatio n

Frame synchroniz ation is fully integrate d (no exter­nal capacitor required).
The frame timing identification logic permits auto­matic adaptation to 50-60Hz standards or non-in­terlaced video.

An automatic synchronization window width sys­tem provides:

- Fast frame capture (7.3ms wide window)

- Good noise immunity (0.4ms narrow window)
The internal generator starts the discharge of the

sawtooth generator capacitor, so that it is not dis­turbed by line flyback effects .
Thanks to the logic control, the beginning of the
charge phase does not depend on any disturbing
effect of the line flyback . A 32µs timing is automat­ically applied on standardized transmissions for
perfect interlacing.
In VCR mode, the discharge time is controlled by
an internal monostable independent of the line
frequency and gives a direct frame synchroniza­tion.

Horizontal Scanning

The horizontal scanning frequency is obtained from
the 500kHz VCO.

The circuit uses two PL L:

- The first one controls the frequency

- The second one controls the relative phase of the
output line pulse and the line flyback signals.

The output pulse has a constant duration of 29µs,
independent of V

and of any delay in switching-

CC

off the scanning transistor.

Supersandcastle Generator

This output delivers a 3 level synchronization sig­nal:

- Burst level

- Line blanking level

- Frame blanking level

In the event of vertical scanning failure, the frame
blanking level goes high to protect the tube.

Frame Scanning

The current to charge the frame sawtooth gener­ator is automatically switched to 60Hz operation t o
maintain constant amplitude.

Automatic VCR Mode Recog n ition for Tim e
Constant Switching

- A third phase comparator is used to detect VCR
signals and to switch the φ1 short time constant.

- A noise level measurement is realized on the
video synchronization pulse to inhibit the short
time constant if the noise level is superior to an
adjustable threshold.

- VCR signals are detected if peak to peak signal
on pin 2 is superior to an internal threshold.

This threshold is depending on the noise level. So
with a no noisy video signal, the auto VCR switch
sensitivity is maximum, and it decreases when th e
noise increases.

- The sensitivity of the noise gate and the auto VCR
switch is adjustable by external resistance.

- Long and short time constants can be selected
manually by Pin 20.

Digital Video Ident ificati on

A digital circuit controls the identification signal.
When identification signal is low, the line oscillator
is set on a reference frequency . When identificat ion
signal is high, φ1 is locked and the c atch ing phase
can start. So that, the TEA2130 allowed on screen
displays in a steady way even without video signal
(during tuner research for example).

Identificati o n Ou tp ut

The identification function provides three different
levels :

- 0V : No video identification

- 6V : 60Hz video identification

- 12V : 50Hz video identification

This information may be used for timing research
in the case of frequency or voltage s ynthetizer type
receivers and for audio muting.

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

CC

16
11
13

AMB

Supply Voltage 13.5 V
Pulse/Frame Sawtooth Generator Voltage VCC - 3 V
Output Current 40 mA
Input Current ± 5 mA
Operating Ambient Temperature 0 , + 70

V

V

I
I

T

THERMAL DATA

Symbol Parameter Value Unit

R

th(j-a)

Junction-ambient Thermal Resistance 80

o

o

C/W

C

2130-01.TBL

2130-02.TBL

3/8

TEA2130

ELECTRICAL CHARACT E RIS TICS (T

= 25oC; VCC = 12V; Pulse duration 50% of the amplitude)

amb

Symbol Parameter Test conditions Min. Typ. Max. Unit

Supply Voltage 12 V
Supply Current Without load in pins 7-12-15 20 29 40 mA

Starting Voltage for Line Output VCC rising 7 7.5 V

V

CC

Switch-off Voltage for Line Output V

decreasing 6.5 V

CC

VIDEO INPUT (Pin 19)

Video Signal Amplitude Z source < 220Ω 0.2 1 3 V
Push out Current During the synch. pulse - 40 - 32 - 24 µA
Pull in Current During the line 3 5 7 µA

50% SYNCH. PULSE CLAMP (Pin 18)

Push out Current During the synch. pulse - 960 - 350 - 40 µA
Pull in Current During the line 15 23 32 µA

φ 1 AND φ 3 COMPARATOR (Pin 2- Pin 3)

Short Time Output Current Identification high ± 1.1 ± 1.5 ± 2mA
Long Time Output Current Identification high ± 0.30 ± 0.48 ± 0.65 mA

VCO (Pin 17)

Catching Range Ceramic CSB 503B

= 470Ω

R

SERIAL

15.40 15.92 kHz

Transfer Characteristic ∆F pin 11/∆V pin 3 2 kHz/V
Free Running Frequency Without video signal 15.6 15.9 16.2 kHz

VIDEO IDENTIFICATION AND STANDARD OUTPUT (Pin 7)

No video on Pin 19 R

/GND = 5kΩ 0 500 mV

LOAD

60Hz video 5.5 6 6.5 V
50Hz video 10.5 11.3 V

REFERENCE VOLTAGE (Pin 1)

Output voltage I
Output impedance ∆I

= 0 5.5 6 6.5 V

1

= ± 50µA 400 600 800 Ω

1

Max output current 200 µA

AUTO VCR SWITCH (Pin 2)

V Switching threshold /V
time ct2 on ϕ1 PM Active above

Short

1

Threshold

● With no noise on the video

(V20 < 6V)

● With noise on video

(6V < V

< 7.3V

20

± 0.2 ± 0.3 ± 0.4 V

0.69 x V20 - 3.85 V

NOISE GATE (Pin 20)

Measure sampling time On the synch. pulse bottom 1 2 3 µs
Max. push out current Vnoise = 0.4V

Video Signal

2V

PP

VCR mode inhibition threshold
(long time cte)

Active above threshold
Voltage hysteresis

, F = 1MHz on

PP

Measure bandwidth (-3dB) High cut frequency

Low cut frequency

Short time constant manual

Active under threshold 4.5 5 5.5 V

6.9 7.3

350 µA

7.5 V

100

2

0.7

MHz
MHz

switching threshold

PP

mV

2130-03.TBL

4/8

TEA2130

ELECTRICAL CHARACT E RIS TICS (cont i nued)

(T

= 25oC; VCC = 12V; Pulse duration 50% of the amplitude)

amb

Symbol Parameter Test conditions Min. Typ. Max. Unit

φ 2 COMPARATOR (Pin 14)

Output current During line flyback ± 300 ± 500 ± 700 µA
Delay between φ 2 falling edge

and the middle video sync. pulse

LINE MONOSTABLE (Pin 10)

Charge current Line output high - 67 µA
Discharge current Line output low 170 µA
Flip-Flop threshold Falling edge on the line output 1.3 V

LINE OUTPUT (Pin 11)

Low level I
Pulse duration R
φ 2 adjustment range Controlled by V

LINE SAW-TOOTH (Pin 8)

Charge Current R
Discharge Current 3.5 7 mA
Discharge Duration Controlled by logic VCO 500kHz 6.5 µs

LINE FLYBACK INPUT (Pin 13)

Blanking Line Threshold Active above threshold 0.35 0.4 0.6 V
φ 2 Loop Threshold and Line

Output Inhibition (Pin 11)
Input Current - 0.4V < V

SUPER SANDCASTLE GENERATOR (Pin 12)

Burst Level R
Line Blanking Level 4 4.5 5 V
Frame Blanking Level 2 2.5 3 V
Delay between the midde of the

video sync. pulse and the rising
edge of the burst (t

)

1

= 500 kHz 2.2 2.7 3.2 µs

F

VCO

= 20 mA 1 V

11

= 3.32kΩ , C10 = 1.5nF 27 29.5 32 µs

9

compared with

video signal

= 3.32 kΩ - 200 - 180 - 150 µA

9

14

15 18 µs

Active above threshold 2.7 3 3.3 V

< 0.4V

0.4V < V13 < 3V
3V < V

= 2.2 kΩ to ground 9 V

L

13

13

- 20

- 10

-10

- 5

- 4

- 4

- 1

2.45 2.8 3.15 µs

µA
µA
µA

t

1

2130-03.EPS

Burst Pulse Duration

● 50Hz

● 60Hz

4.1

3.6

4.4

3.9

4.7

4.2

µs
µs

Line Blanking Duration Fixed by flyback

Signal pin 13

Frame Blanking Duration Fixed by the logic 21 Line

2130-04.TBL

5/8

TEA2130

ELECTRICAL CHARACT E RIS TICS (cont i nued)

T

= 25oC; VCC = 12V; Pulse duration 50% of the amplitude

amb

Symbol Parameter Test conditions Min. Typ. Max. Unit

FRAME SAW-TOOTH GENERATOR

Low DC Voltage 1.1 1.3 1.45 V
Discharge Current 15 60 mA
60Hz Internal Current - 10 - 8 - 6 µA

FRAME LOGIC SYNCH.

Free Running Period Without video signal 315 Line
Synchronization Windows Identification low

CURRENT REFERENCE (Pin 9)

Voltage R9 = 3.32 kΩ (1%) 1.2 1.3 1.4 V

V

9

Max. Temperature Shift ∆T = 80

FRAME SAFETY INPUT (Pin 6)

Switching Threshold Actived without negative pulse

Output current - 35 - 50 - 67 µA

Identification 60Hz high
VCR mode

o

C ± 1%

during frame blanking time for
permanent frame blanking on SSC
output Pin 12

247
247
247

361
277
361

Line
Line
Line

1.3 V

2130-05.TBL

6/8

TYPICAL TV APPLICATION

TEA2130

4.7nF

VIDEO

INPUT

BNC

10µF

VERTICAL OUT

HORIZONTAL FLYBACK INPUT

SSC OUT

Ω

10k

3.32k

Ω

10k

1%

VERTICAL FEEDBACK

Ω

HORIZONTAL OUT

47nF

2.2k

Ω

1kΩ

470kΩ

MUTE & 50/60Hz OUT

3.3nF 1.5nF

22nF

Line Flyback

10 V

PP

22k

Ω

HORIZONTAL
POSITION

V

CC

2130-04.EPS

4.7MΩ

220nF

1nF

+200V DC

2.2

Ω

2.2k

Ω

C5B503B

Ω

470

J1

100nF

220nF

75

Ω

20 19 18 17 16 15 14 13 12

TEA2130

12345

100kΩ470kΩ

4.7nF

33nF

2.2µF

2.7kΩ

3.9kΩ

67891110

100nF

1000µF

V

CC

+12V

100k

1nF

Ω

TYPICAL SYNC SEPARA T OR APPLICATION

C5B503B

470Ω

4.7nF

VIDEO

INPUT

470k

J1

BNC

Ω

10µF

100nF

220nF

75

Ω

20 19 18 17 16 15 14 13 12

TEA2130

12345

100k

Ω

4.7nF

33nF

2.2µF

3.9k

2.7k

Ω

Ω

+12V

V

CC

2.7kΩ

3.3nF

100nF

1000µF

+5V

10kΩ

6

7891110

NC

V

3.32k
1%

CC

VERTICAL OUT

Ω

LINE SYNC OUTPUT

2.2kΩ

NC

MUTE & 50/60Hz OUT

10kΩ

2130-05.EPS

7/8

TEA2130

PACKAGE MECHANICAL DATA

20 pins - PLASTIC DIP

I

a1

L

Z

e3

b

B

e

E

Z

D

20 11

F

110

Dimensions

Min. Typ. Max. Min. Typ. Max.

a1 0.254 0.010

B 1.39 1.65 0.055 0.065

b 0.45 0.018

b1 0.25 0.010

D 25.4 1.000
E 8.5 0.335

e 2.54 0.100

e3 22.86 0.900

F 7.1 0.280

i 3.93 0.155
L 3.3 0.130
Z 1.34 0.053

Millimeters Inches

b1

PM-DIP20.EPS

DIP20.TBL

Information furnished i s believed to be accurate and rel iabl e. However, S GS-THOMSON Microel ectroni cs assumes no responsibil ity
for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result
from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.

© 1994 SGS-THOMSON Microelec tronics - All Rights Reserved

2

Purchase of I

2

C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to

I

Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco

The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.

C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips

2

C Standard Specifications as defined by Philips.

the I

SGS-THOMSON Microelectronics GROUP OF COMPANIES

8/8