TECHNICAL DATA
S INGLE
-CHIP TV PROCESSOR IC FOR VISION AND SOUND IF PROCESSING , VIDEO AND SYNCHRONIZATION FOR B /W TV
IC DESCRIPTION
KK A8362W is intended for b/w TV receiver and contain functional units for video and sound IF signals, line and frame synchronization , output Y-signal.
IC FEATURES
? circuit for processing Vision IF (positive and negative modulation). ? FM sound demodulator (4.5-6.5 МHz).
? Addition inputs for A/V (external and internal video inputs, internal and external audio inputs). ? Embedded delay line for brightness signal.
?
control IC for output Y-signal and external Y-input and possibility of a direct information display on screen (OSD ? mode).
? Line synchronisation with two control circuits and a generator (adjustment is not needed). ? IC for frame divider and preamplifier of frame scanning. ? Low power consumption (500 mW). ? Minimum quantity of external parts.
? Only one adjustment is required (IF demodulator).
Block diagram of TV signal processor ILA 8362 W
all low signal functions of w/b TV receiver. To assemble b/w TV-set it’s necessary to add tuner, output stages for video, audio, frame and line scannig. IC is implemented in plastic 52-pin DIP with pitch 1.778 мм . Package marking 2151Ю.52-А.
Audio deemphasis/Pos. modulation/Audio out 1
Refernce coil Refernce coil Identification
Sound IF input + Volume
External audio input 23456Video output (dem)Digit. decoupling
AFC output
Supply Ground
Filter decoupling Internal CVBS input Peaking control
input
External CVBS/SVHS-Y input
A/V switch input
Brighthess control
Y output NC NC
Fast blanking + Insertion
NC NC External Y input Contrast control NC
X-tal (4.43 MHz)
Start supply (horizontal)Horizontal drive
Flyback in/Sandcastl
out ? control loop/Xray
prot.
? control loop Ground Vertical feedback Vertical ramp generator Vertrical drive
IF input IF input Tuner AGC output AGC decoupling Tuner take-over adj.Sound output Sound decoupling Bandgap decoupling 78
91011121314151617181920212223242526
27
282930313233343536373839404142434445
46474849505152I L A 8362W
NC NC NC NC NC
NC NC NC
PIN DESCRIPTION TABLE
Pin description table for single-chip TV processor IC for vision and sound IF processing, video and synchronization for b/w TV
pin No Symbol Description
1 2 3
01 AUDEEM Sound distortion correction
02 IFDEM1 connection of IF demodulator filter
03 IFDEM2 connection of IF demodulator filter
output
04 IDENT
Videoidentification
05 SOIF IF sound and volume control input
06 EXTAU external sound input
output
07 IFVO
Video
08 DECdig Digital supply decoupling
output
AFC
09 AFCOUT
Supply
10 Vcc
1
11 OV1
Ground
Filter
decoupling
12 DECft
13 CVBSint Internal video imput
14 PEAK Sharpness control input
15 CVBSext External video input
16 VCH Video switch input
17 BRI Brightness control input
18 YO Y output
19 unused
20 unused
21 YINCH Y input switch input
22 unused
23 unused
24 unused
25 unused
26 unused
27 unused
28 unused
29 unused
30 unused
31 unused
32 YIN External Y input
33 CON Contrast control input
34 unused
35 XTAL Quartz connection (4.43 МHz)
36 HOSC Line scanning generator starting
37 HOUT line scanning output
38 FBI/SCO Reverse motion signal input, three level pulse output
Ф2 detector loop filter
39 PH2LF
Ф1 detector loop filter
40 PH1LF
2
Ground
41 OV2
42 VFB frame scanning loop input
43 VRAMP frame scanning generator input
44 VOUT frame scanning output
45 IFIN1 IF input 1
46 IFIN2 IF input 2
47 AGCOUT External AGC output
48 DECagc AGC capacity connection
49 TUNEadj external AGC threshold adjustment input
Sound
output
50 AUOUT
demodulator capacity connection
Sound
51 DECdem
52 DECbg Analog decoupling supply
MAIN ELECTRIC PARAMETERS FOR KK A8362W
Target
N
Parameter Symbol
Min Max
1 2 3 4 5 1. Supply current, мА Ip ___ 100 2. Scanning starting threshold, V Uth 5.8 6.8 3. Video IF amplifier input sensitivity , RMS value, μV Ui(rms) ___ 100 4. Gain control range АGC, dB Gcr 64 ___ 5. AGC efficiency (while input signal changing is 50dB), dB θ ___ 6 6. White level on videoamplifier output for negative modulation signal, V Uw7 3.4 5.1 7. Synchrosignal upper level on videoamplifier output , V Us7 1.5 2.5 8. Videoamplifier output resistance, Оhm R 07___ 50 9. Signal altitude on videoamplifier output for negative modulation signals, V U 0p-p 1.6 2.8 10. Videosignal non-linearity on videoamplifier output, % NLvid ___ 9 11. Max white level on on output of V-ampl.,V Uth 4,0 5.6 12. Signal/noise ratio on V-ampl. output while input signal altitude is 10mV, dB S/N 52 ___ 13. Saturation voltage on external AGC, mV U MAX 300 14. Input signal variation causing whole change of AGC voltage, dB δU47 0.5 4 15. Control voltages range, V Ucr 0.5 4.5 16. Voltage swing on AFC output , V U 5.8 ___ 17. Characteristic’s slope, КHz fsl 120 200
18. Output voltage on identification output
when there is no signal , V
with signal, V Uo ___ 7,0 0.5 ?
19. Voltage on identification output while feeding input IF with altitude 100μV, V Uid 7.0 20. Input sensitivity, RMS value, mV 2 21. Rejection of amplitude-modulated signal , dB AMR 46 ___ 22. 23. Output resistance, k Оhm R 0112 18 24. Output signal altitude variation in PAFTC capture range of sound demodulator, dB
Ео 3
25. Constant component of output voltage , V U1 2.5 3.5
1 2 3 4 5 26. Output voltage altitude, RMS value, mV, (pin 1) Uorms 250 400 27. Output signal altitude at level 6dB, RMS value, mV, (pit 50) Uorms 400 800 28. Constant component of output voltage, V U50 2.5 3.7 29. Non-linear distortion ratio, % THD ___ 0.6 30. Ratio signal/noise for internal signal source, dB S/N 60 ___ 31. Adjustment range, dB VOLcr 80 ___ 32. Output signal rejection within silence mode, dB OSS 80 ___ 33. Output signal’s constant component bias while transition into silence mode, mV
δU50
___ 100 34. External signal gain, dB Б δGv 7 13 35. External and internal signals inter-penetration under max gain, dB α 60 ___ 36. rejection of input videosignal not being selected, dB ISS 50 ___ 37. Black level differentiation between internal and external signals, mV Udiff ___ 100 38. Input currents , μА Ii 0.13
39. Input current, m А I21 ___ 0.2 40. Internal Y-signal rejection, dB SSint 46 ___ 41. External Y-signal rejection, dB SSext 46 ___ 42. Y-signal rejection in mode of OSD signal connection directly to Y output , dB
SSbt 46
43. Input current in synchronization absence , mA I 140.5 1.3 44. Generator free oscillations frequency , Hz ffr 15156 1609445. Max frequency deviation while starting line scanning, % δfmax
___ +75 46. PAFTC holding band , КHz fHR ___ ±1.2
47. PAFTC capture band, КHz fCR ___ ±0.6 48. Low level of output voltage, V Uol ___ 0.3
49. Max output current, m А Imax 10 ?
Target
N Parameter Symbol
Min Max
1 2 3
4
5 50. Constant voltage on line scanning output under operation of protection
against X-ray, V
Uop 6.5 ?
51. Fulfillment ratio , % n 43 57
52 Input voltage while reverse moving, V Uicl 2.2 3.8
53. Output voltage of
strobe , V
suppression level, V Uo
4.3
1.3
6.3
2.2
54. Width of
strobe pulse, μs
field, line suppression, tW
3.2
14
4.1
14
55. Ramp voltage altitude (swing), V Usaw 1.3 1.7
56. Max output voltage, V Uomax 4.0 ___
57. Min output voltage, V Uomin ___ 0.3
58. Constant voltage on frame scanning output while pin 42 protection is
operating for
lower threshold, V
upper threshold, V Uop
4.0
0.3
?
59. Internal bias current of output emitter follower , mА Ib
0.1
?
60. Input current, μАI42?15
61. Control range of contrast scale, dB CRc 17 29
62. Brightness control range, V СRb ±0.6 ±1.4
63. Output signal altitude at nominal contrast range, swing,V Uo
2.7
4.5
64. Suppression level on Y-output, V Uobl 0.6 0.9
65. Black level on Y-output, V Uobk 1.0 1.6
66. Max pick level of white, V Umax 3.8 6.5
67. Internal bias current of output emitter follower, mА Ib
1.8
?
68. Max current source , mА Is
5
?
LIMITING OPERATION CONDITIONS
Values of limiting electrical operation conditions are given in temperature range
from -60°С to +85°С .
Parameter name , measurement unit Symbol Limiting conditions
Min
Max Supply voltage, V Up 7.2 8.8
Range of control voltage on pins 05,17,25,26,27, V
Ui 0 5.0
RECOMMENDED FUNCTIONAL SCHEME OF TV
52-Pin Plastic Dual-in-Line (NS)
A max 5.08A ?min 0.51min 3.05max 4.57min 0.38max 0.56min 0.89max 1.14min 0.23max 0.38min 45.72max 46.23min 15.24max 16min 12.7max 14.48e nom 1.778e 2nom 15.24min 2.54max 3.56min 0omax
10o
L α
Dimension, mm
A 2
B B 2
C
D
E E 1
KK A8362WNS