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STV2102A

PAL LUMA-CHROMA & DEFLECTION PROCESSOR

STV2102A
PAL LUMA-CHROMA & DEFLECTION PROCESSOR
PRELIMINARY DATA
RGB AND FAST BLANKING INPUTS AUTOMATIC CUT-OFF CONTROL DC-CONTROLLED BRIGHTNESS, CONTRAST AND SATURATION CERAMIC 500kHz VCO FOR LINE DEFLECTION PHASE-LOCKED REFERENCE OSCILLATOR USING A STANDARD 4.43MHz OSD CAPABILITY ON OUTPUTS VIDEO IDENTIFICATION GENERATOR
SHRINK 42 (Plastic Package) ORDER CODE : STV2102A
DESCRIPTION The STV2102A is a PAL chroma decoder, video and H / V deflection processor for CTV. Used with the TDA8222, this IC permits a complete low cost solution with external output stages. It is pin compatible with STV2110A PAL / SECAM processor. PIN CONNECTIONS
SUPPLY VOLTAGE BLANKING INPUT GREEN CUT-OFF CAPACITOR RED OUTPUT HORIZONTAL Vcc GREEN OUTPUT BLUE OUTPUT BLUE CUT-OFF CAPACITOR LUMINANCE SIGNAL INPUT SCANNING LOOP FILTER SCANNING XTAL COMPOSITE VIDEO SIGNAL LINE FLYBACK INPUT VERTICAL OUTPUT HORIZONTAL OUTPUT CONTRAST CONTROL NOT CONNECTED PAL CHROMA INPUT GROUND DELAY CHROMA INPUT CHROMA STANDARD Vcc BLK COG ROUT HVcc GOUT BOUT COB YIN SLPF SXTL CVBS LFB VOUT HOUT CTR NC PALIN GND DLI PS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 ICAT Vcc BIN GIN COR RIN BRIG FBL CLPF CXTL CKP NC ACC NC NC SAT NC NC GND NC DLO
CATHODE CURRENT SUPPLY VOLTAGE INPUT BLUE INPUT GREEN INPUT RED CUT-OFF CAPACITOR RED INPUT BRIGHTNESS CONTROL FAST BLANKING INPUT CHROMA LOOP FILTER CHROMA XTAL PAL KILLER CAPACITOR NOT CONNECTED ACC CONTROL CAPACITOR NOT CONNECTED NOT CONNECTED SATURATION CONTROL NOT CONNECTED NOT CONNECTED GROUND NOT CONNECTED CHROMA OUTPUT
2102A-01.EPS
September 1993
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice.
SAT 27 Blk. RGB 4 ROUT
Black Insertion Matrix
Brightness Blanking
STV2102A
BLOCK DIAGRAM
Vcc 41
HVcc 5
FBL 35
RIN 37
GIN 39
BIN 40
CTR 16
BRIG 36
Y Input Contrast
Contrast + Clamp
6 GOUT 7 BOUT
38 COR
Black Reference Saturation RGB Switch Tube Temp Meas. Leak. Current Meas. RGB Cut-off
Clamp
3 COG 8 COB 42 ICAT
CXTL 33
PAL Demod. Frame Sync. Separator
Decoder
Blank. Comp.
CLPF 34
90deg
Phase Detector
Flip-Flop PAL
Line Counter
Frame Output
14 VOUT
ACC 30
Killer
Burst Detector
Burst Gate Generator
Phase Comp. 2
Phase Shift
Line Output
15 HOUT
CKP 32
PALIN 18
DL Matrix
Sync. Sep.
Phase Comp. 1
Divider
22 DLO
20 23 DLI NC 21 PS 26 NC 25 NC 29 28 NC NC
24 GND
19 GND
13 LFB
12 CVBS
10 SLPF
11 SXTL
2102A-02.EPS
STV2102A
Automatic Cut-off Control The black levels of the RGB outputs are controlled with the cut-off loops during three line periods after the frame retrace. The cut-off measurements are sequentiallyachieved during these three lines. The leakage current measurement is achieved during the frame retrace and memorized on an internal capacitor, thus the circuit is able to extract the cut-off current from the total current measurement. Warm-up Detector At the start-up, the cut-off loops are switch off, a ABSOLUTE MAXIMUM RATINGS
Symbol HV cc Vcc H OUT Tstg Toper Parameter Horizontal Supply Voltage (Pin 5) Video & Chroma Supply Voltage (Pins 1-41) Horizontal Output (Pin 15) Storage Temperature Operating Temperature Value 12 HV CC + 0.5 12 -55, +150 0, +70 Unit V V V o C o C
white level is inserted on the luminance signal until a cathode current is detected. Then the cut-off loops are released. RGB Inputs To avoid the black level of the inserted signal differing from the black level of the normal video signal, the external RGB are clamped to the black level of the luminance signal. Therefore, an AC coupling is required for the RGB inputs. The RGB inputs are controlled by a 12dB range contrast control stage.
Symbol R th (j-a)
Parameter Junction-ambient Thermal Resistance Max.
Value 60
2102A-03.TBL
No load No load No load
LUMINANCE INPUT (Pin 9) No input signal · During burst period · Out of burst period -3dB
CONTRAST CONTROL (Pin 16)
BRIGHTNESS CONTROL (Pin 36) V V µA
2102A-02.TBL
THERMAL DATA
2102A-01.TBL
STV2102A
Symbol Parameter Test Conditions Min. Typ. Max. Unit SATURATION CONTROL INPUT (Pin 27) V27 V27 (Max.) G27 V27M I27 Saturation Control Voltage Allowed Control Voltage Saturation Control Range Mute Level Input Current · 0.35V B to W @ Pin 9 · Contrast @ 4V · Sat. & Brig. @ 3V -50 0.5 10 2 to 4 5 V V dB V µA
RGB OUTPUTS (Pins 4-6-7) VBW 4-6-7 Output Signal Amplitude (black to white) 2.6 V
I4-6-7 VM4-6-7 Vblank 4-6-7 VCO min. VCO max.
Individual Output Sinking Current Maximum Peak White Level Blanking Level Minimum Level of Inserted Cut-off Lines Maximum Level of Inserted Cut-off Lines Relative Variation in Black Level with Various CONT. SAT. BRIG between the 3 channels
Vtemp
Black Level Thermal Drift Tracking between Luminance and Chrominance Signals over 10dB Contrast Control
RGB INPUTS (Pins 37-39-40) VBW37-3940
Input Amplitude (B to W) Clamp Level Control Current Leakage Current -3dB Contrast max
Vclamp 37-39-40 I37-39-40 Ii37-39-40 GCTR G37-39-40
µA MHz dB
BW 37-39-40 Bandwidth RGB Contrast Control Range RGB Gain
FAST BLANKING INPUT (Pin 35) VTH1-35 VTH2-35 Tswitch T blank First Threshold (switching) Second Threshold (blanking) Switching Delay Blanking Delay 0.7 2.1 50 100 V V ns ns
2102A-04.TBL
AUTOMATIC CUT-OFF (Pin 3-8-38) Cut-off Capacitor Clamping Current
STV2102A
ACC CAPACITOR (Pin 30) I30 Ii30 Charging Current Leakage Current During burst gate period Out of burst gate period 250
CHROMAXTAL (Pin 33) CR33 Catching Range Hz
SUBCARRIER OUTPUT (Pin 22) Vburst-22 Output Burst Amplitude Within ACC Control Range 2 Vpp
KILLER CAPACITOR (Pin 32) VOFF-32 VON-32 VINH-32 I32 Vnom-32 Color off Threshold Color on Threshold PAL Flip-flop Inhibition Level Control Current Voltage with Nominal Input Signal 5.0 5.4 3.2 250 6.0 V V V µA V
DELAYED CHANNEL INPUT (Pin 20) VDC-20 R20 DC Level Input Impedance No input Signal 2.2 8 V k
PLL LOOP FILTER (Pin 10) Iiow-10 Ihigh-10 Output Current Output Current Long time constant Short time constant 0.15 0.40 mA mA
2102A-05.TBL
VTH-13
Threshold
STV2102A
HORIZONTAL OUTPUT (Pin 15) Output Pulse Width Output Voltage (open collector) HVCC Start Threshold HVCC Stop Threshold 2 Phase Range Output Pulse Width Frame Synchro. Window (search) Output Voltage (open collector) 29
VERTICAL OUTPUT (Pin 14) 248 to 352 1
2102A-06.TBL
Figure 1 :
Contrast Control Curve
Figure 2 :
Saturation Control Curve
RGB Output Signal
2102A-03.EPS
Figure 3 :
Difference between Black Level and measuring Level at RGB Outputs as a function of the Brightness Control Input
2102A-05.RPS
2102A-04.EPS
V16 (V)
STV2102A
Figure 4 : Pins 3-8-38-42 (COG, COB, COR, ICAT)
Figure 5 : Pins 37-39-40 (RIN, GIN, BIN)
Figure 6 : Pins 4-6-7 (ROUT, GOUT, BOUT)
Figure 7 : Pin 9 (YIN)
2102A-07.EPS
Figure 8 : Pin 10 (SLPF)
2102A-09.EPS
2102A-10.EPS
2102A-08.EPS
2102A-06.EPS
STV2102A
Figure 9 : Pin 11 (SXTL) Figure 10 : Pin 12 (CVBS)
2102A-11.EPS
2102A-12.EPS
Figure 11 : Pins 2-13 (BLK, LFB)
Figure 12 : Pins 14 (VOUT)
2102A-13.EPS
Figure 13 : Pin 15 (HOUT)
Figure 14 : Pins 16-27 (CTR, SAT)
2102A-15.EPS 2102A-16.EPS
Mute (Pin 27)
2102A-14.EPS
STV2102A
Figure 15 : Pin 20 (DLI) Figure 16 : Pin 21 (PS)
V REF1
Figure 17 : Pin 18 (PALIN)
V REF2
2102A-17.EPS
Figure 18 : Pin 32 (CKP)
2102A-19.EPS 2102A-20.EPS
Figure 19 : Pin 22 (DLO)
Figure 20 : Pin 36 (BRIG)
2102A-21.EPS
2102A-22.EPS
2102A-18.EPS
STV2102A
Figure 21 : Pin 30 (ACC)
Figure 22 : Pin 33 (CXTL)
Figure 23 : Pin 34 (CLPF)
Base Current Compensation
Phase Comparator
2102A-24.EPS
Figure 24 : Pin 35 (FBL)
2102A-26.EPS
2102A-25.EPS
2102A-23.EPS
STV2102A
100 µF
RIN ICAT SAT 22k
100µF
100nF
2 x 1N4148
APPLICATION DIAGRAM
1k COR COG COB ICAT 42 38 3 8 MUTE SAT 470 4 470 6 GOUT 470 7 H V CC BOUT ROUT CTR 16 BRIG 36
Vcc 41
FBL 35 RIN 37 GIN 39 BIN 40
10nF 9 27
DL & TRAP
18k 34
4.43MHz
33nF 30
4.7nF
100nF
1.2k VOUT 14 H V CC 1.2k 18 15 11 HOUT SXTL 47nF
100nF
RAMP GENERATOR (TDA1771)
100nF 100nF 100nF
20 DLI 390 10nF
19 GND GND
13 LFB BLK
56pF CVBS 5.6k 4.7nF
8.2 µH
2102A-27.EPS
18k 12
3.3nF
FBL Vcc Vcc Vcc VERTICAL DEFLECTION 32
STV2102A
PALIN
120pF
503kHz 21 10 SLPF CVBS 100nF
LINE YOKE
STV2102A
PACKAGE MECHANICAL DATA 42 PINS - PLASTIC SHRINK DIP
Stand-off
Min. 3.30
Millimeters Typ. 0.51 0.35 0.20 0.75 0.75 15.57
Min. 0.130
Inches Typ. 0.020 0.014 0.008 0.030 0.030 0.613
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility 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 Microelectronics - All Rights Reserved Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES 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.
SDIP42.TBL
PMSDIP42.EPS