The KA2161 combines an IF system and a video/chroma/deflection
on a monolithic integrated circuit to provide a PAL/NTSC color television.
This device is suitable to a muiti-CTV svstem on a 54 SDIP and
includes VI F/SIF, videc/chroma/deflection processor.
FUNCTION
IF BLOCK
• VIF Amp.
• Video detector
• 1st, 2nd IF AGC filter
• Noise canceller
• AFT
• RFAGC
• SIF limiter Amp.
• Attenuator
• FM detector
• AF AMP
VIDEO
• Contrast control
• Brightness control
• Pedestal clamp circuit
• Sharpness control using internal D.L
• OSD(R,G,B) interface
• OSD brightness control
CHROMA
• ACC amplifier
• demodulator
• Color control
• Tint control for NTSC system
• APC circuit
• VCO (fsc)
• Killer detector
• Matrix circuit
• PAL/NTSC system SW
ORDERING INFORMATION
DevicePackageOperating Temperature
KA2161 54-SDIP-600
DEFLECTION
• Sync. seperator
• AFC filter
• 32th VCO
• Horizontal driver
• X-ray protecter
• 50/60 Hz auto detector
• Vertical driver
OSD
• OSD(R,G,B) interface circuit
• OSD brightness control
-20°C ~+70°C
FEATURE
• Lower operation voltage: VCC=9V
• Available Multi system (PAL/NTSC/SECAM) with SECAM decoder
• Minimum number of external parts required
• Small package type: 54 SDlP
• Suitable OSD interface
• Available 50/60 Hz auto switch
• Built in Delay Line for video sharpness
KA2161 PAL/NTSC 1 CHIP FOR C/TV
BLOCK DIAGRAM
OSD
B/W
BRT
NF
+ -
RF
AGC
AFT
90
D.L
AMP
ACC
AMP
D.L
LINE
LPF
OSD BRIGHT
54
SOUND OUT
53
RF AGC DELAY
52
RF AGC OUT
51
ATT.CONTROL
50
49
SIF IN
AFT OUT
48
AFT TANK
47
46
VIF TANK
45
VIF TANK
VIF/SIF VCC
44
43
VIF OUT
42
KILLER FILTER
41
Delayed siganl IN
COLOR CONTROL
40
39
Contrast CONTROL
38
D.L DRIVE
37
V/C/D GND
36
SYNC.SEP.IN
35
CHROMA IN
34
Brightness CONTOL
Sharpness CONTROL
33
32
TINT CONTROL
31
VIDEO IN
30
V OUT
29
V SEP. FILTER
28
OSD B IN
ATT INPUT
SOUND N.F INPUT
DE-EMPHASIS
SIF DET.IN
SIF LIMITER OUT
AGC FILTER1
AGC FILTER2
VIF/SIF GND
VIF INPUT
VIF INPUT
APC FILTER
fsc VXO
V/C/D VCC
fsc VXO
CLAMP FILTER
R-Y OUT
B-Y OUT
G-Y OUT
Y OUT
X-RAY PROTECT IN
FBP IN
H OUT
AFC FILTER
32th VCO
H VCC
OSD R IN
OSD G IN
1
2
FM
DET
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
VCXO
Matrix
X-ray
AGC
DET.
AMP
IF
DEMO
OSD I/F
Limiter
INV
BLK
DET.
VCO
AFC
32th
Color
DET
SEP
H.DRI
DET
APC
TINT
H.V
LPF
V.DRI
Killer
DET
BRIGHT
CONTRAST
ATT
NC
ACC
Sharpness
KA2161 PAL/NTSC 1 CHIP FOR C/TV
PIN CONFIGURATION
Pin No.DESCRIPTIONPIN NODESCRIPTION
1 ATT. INPUT28 OSD B INPUT
2 SOUND NF INPUT29 V. SYNC SEP. FILTER
3 DE-EMPHASIS30 VERTICAL OUTPUT
4 SIF DET. INPUT31 VIDEO INPUT
5 SIF LIMTER OUT32 TINT CONTROL
6 AGC FILTER 133 SHARPNESS CONTROL
7 AGC FILTER 234 BRIGHTNESS CONTROL
8 VIF/SIF GROUND35 CHROMA INPUT
9 VIF INPUT36 SYNC. SEP. INPUT
10 VIF INPUT37 V/C/D GROUND
11 APC FILTER38 DELAY LINE DRIVE
12 fsc VCXO39 CONTRAST CONTROL
13 V/C/D Vcc40 COLOR CONTROL
14 fsc VCXO41 DELAYED SIGNAL INPUT
15 CLAMP FILTER42 KLLER DET. FILTER
16 R-Y OUTPUT43 VIF OUTPUT
17 B-Y OUTPUT44 VIF/SIF VCC
18 G-Y OUTPUT45 VIF TANK COIL
19 -Y OUTPUT46 VIF TANK COIL
20 X-RAY PROTECTOR47 AFT TANK COIL
21 FBP IN48 AFT TANK COIL
22 HORIZONTAL OUTPUT49 SIF INPUT
23 AFC FILTER50 ATT.CONTROL
24 32fH VCO51 RF AGC OUTPUT
25 HORIZONTAL VCC52 RF AGC DELAY
26 OSD R INPUT53 SOUND OUTPUT
27 OSD G INPUT54 OSD BRIGHT CONTROL
KA2161 PAL/NTSC 1 CHIP FOR C/TV
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
CharacteristicSymbolValueUnit
Supply VoltageVCCmax12V
Supply currentICCmax175mA
Power dissipationPDmax2.1W
Operating TemperatureT
Storage TemperatureT
OPR
STG
ELECTRICAL CHARACTERISTICS (TA=25°C, VCC=9V)
DC CHARACTERISTICS
CharacteristicSymbolTest ConditionsMinTypMaxUnit
Max. total currentICCmax-175-mA
Total currentI
ATT. input voltageV13.33.84.5V
Sound N.F input voltageV23.33.94.5V
FM Det. output voltageV33.33.84.5V
SIF tank input voltageV42.73.23.7V
SIF limiter output voltageV53.33.84.3V
IF AGC filter voltage (1)V67.88.5-V
VIF input voltageV93.64.14.6V
VIF input voltageV103.64.14.6V
VIF Output voltageV434.04.55.0V
VIF tank input voltageV456.16.67.1V
VIF tank input voltageV466.16.67.1V
AFT tank input voltageV472.53.03.5V
SIF input voltageV492.53.03.5V
Sound output voltageV533.84.34.8V
CC
-20~+70
-55~+150
-135-mA
°C
°C
KA2161 PAL/NTSC 1 CHIP FOR C/TV
IF SECTION (VIF, SIF)
CharacteristicSymbolTest ConditionsMinTypMaxUnit
Min. RF AGC voltageV51h--1.0V
Max. RF AGC voltageV51l8.0--V
VIF input sensitivityV
VIF max inputV
IS
IM
AGC rangeGR6071-dB
Video output amplitudeV
Sync. tip levelV
O
SYNC
Carrier leakageCL4058-dB
Black noise clamp levelV
Black noise threshold levelV
White noise clamp levelV
White noise threshold levelV
BCI
BTI
WCI
WTI
Max. AFT voltageV48h8.08.7-V
Min. AFT voltageV48l-0.51.0V
AFT det. sensitivityS
FM det. output levelV
AFT
O3
Sound distortionTHD--1.0%
AM rejectionAMR3053-dB
SIF limiting voltageV
MAX. attenuationG
AF amp gainG
Y input impedanceY
Y input dynamic rangeY
Max. video output levelY
Min. video output levelY
Video output drive currentY
Video AC gainG
Brightness controlG
DC restorationT
Clamp terminal voltageV
Contrast control voltageV
Contrast gain rangeG
V-blk pulse output levelV
H-blk pulse output levelV
V-blk pulse width (50Hz)V
V-blk pulse width (60Hz)V
ILIM
ATT
AF
INP
D
MAX
MIN
SINK
Y
BRT
DC
CLAMP
CONT
CONT
VBLK
HBLK
PVBLK
NVBLK
-4045dBu
110110-dBu
1.72.02.3Vp-p
2.22.42.7V
3.23.64.0V
1.51.82.1V
5.15.45.7V
3.63.94.2V
152330KHz/V
150230350mVms
-3445dBu
6580-dB
172023dB
111520Kohm
2.03.0-Vp-p
6.36.87.3V
-0.30.7V
1.32.03.0mA
91215dB
2.03.04.0times
9599-%
2.83.33.8V
1.01.251.5V
121824dB
8.5--V
8.5--V
192123H
141618H
KA2161 PAL/NTSC 1 CHIP FOR C/TV
OSD SECTION
CharacteristicSymbolTest ConditionsMinTypMaxUnit
OSD input on current (R)IONR0.20.30.4mA
OSD input on current (B)IONB0.20.30.4mA
OSD input on current (G)IONG0.20.30.4mA
OSD input off current (R)I
OSD input off current (B)I
OSD input off current (g)I
OSD output high levelV
OSD output low levelV
Output rise timeT
Rise propagation delayT
Output fall timeT
Fall propagation delayT
OSD → Y S/W time
Y → OSD S/W time
OSD → Y S/W delay time
Y → OSD S/W delay time
OSD → Y S/W time
OSD brightness sensitivlyG
R0.150.220.3mA
OFF
B0.150.220.3mA
OFF
G0.150.220.3mA
OFF
6.46.76.9V
4.44.75.0V
-15100nsec
-40100nsec
-15100nsec
-40100nsec
-10100nsec
-10100nsec
-10100nsec
-10100nsec
-10100nsec
0.511.5times
FPRO
FPRO
T
T
T
T
T
H
L
R
F
OY
YO
DOY
DYO
OY
BS
KA2161 PAL/NTSC 1 CHIP FOR C/TV
CHROMA SECTION
CharacteristicSymbolTest ConditionsMinTypMaxUnit
ACC characteristic (1)A10.50.85-Vp-p
ACC characteristic (2)A20.91.01.2ratio
Uni-color control voltageV
Uni-color control rangeG
Color control voltageV
Color control rangeG
Color residual voltageV
Tint control voltageV
Tint range 1(3.58MHz)T
Tint range 2(3.58MHz)T
NTSC
NTSC
PAL/NTSC S/W voltageV
Killer sensitivity (3.58MHz)K
Killer sensitivity (4.43MHz)K
Killer voltage (1)V
Killer voltage (2)V
APC pull in range(3.58MHz)f
APC pull in range(3.58MHz)f
APC hold in range(3.58MHz)f
APC hold in range(3.58MHz)f
APC pull in range(4.43MHz)f
APC pull in range(3.58MHz)f