KA2195D [SAMSUNG]
RGB ENCODER FOR NTSC; RGB编码器， NTSC
| 型号： | KA2195D |
| 厂家： | 
SAMSUNG |
| 描述： | RGB ENCODER FOR NTSC |
| 文件： | 总7页 (文件大小：87K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
KA2195D
RGB ENCODER FOR NTSC
RGB ENCODER
24 SOP
The KA2195D is a monolithic integrated circuit designed
for RGB encoder of video system. This device contains
matrix of R-Y/B-Y, modulator, pulse generator, regulator
and built in BPF of chroma and delay line of luminance.
The KA2195D is suitable for video equipment
FUNCTION
·
·
·
·
·
·
·
·
Regulator
Mixer of R-Y, B-Y
Modulator
Pulse generator
Audio buffer
X-tal oscillator
Clamp circuit
BPF & D.L circuit
ORDERING INFORMATION
Device
Package Operating Temperature
-20~+70°C
KA2195D 24SOP
FEATURE
·
Lower operating voitage:Vcc= 5V
· Stabilized bias condition in regulator
· Available only NTSC system
· Included 75 ohm driver (RGB Output, composite video output, composite sync. output)
· Sub-carrier frequency using X-tal and available external input
· Include BPF & delay line
:Minimized external components
· Audio buffer circuit
· R-Y, B-Y modulator
BLOCK DIAGRAM
24
23
20
19
18
17
16
15
14
13
22
21
G
R
B
Y/C
MIXER
DL &
TRAP
3.58M
BPF
VIDEO
OUTPUT
REGULATOR
R,G,B OUTPUT
R-Y MODULATOR
B-Y MODULATOR
SYNC
ADD
MATRIX
+
R,G,B CLAMP
X-TAL
OSC.
PHASE
SHIFTER
PULSE
GEN.
SYNC
OUT
BUFFER
10
R
G
B
4
2
5
6
8
9
11
12
1
3
7
PIN CONFIGURATION
KA2195D
RGB ENCODER FOR NTSC
Pin No.
DESCRIPTION
Pin No
DESCRIPTION
1
2
GND 1
RED INPUT
13
14
15
16
17
18
19
20
21
22
23
24
REGULATOR CURRENT SINK
2V REGULATOR OUTPUT
3
GREEN INPUT
BLUE INPUT
N.C
4
N.C
5
X-TAL OUT
N.C
6
X-TAL IN
N.C
7
NTSC S/W(VCC)
AUDIO IN
VCC 2
8
COMPOSITE VIDEO OUTPUT
BLUE OUTPUT
GREEN OUTPUT
RED OUTPUT
GND 2
9
AUDIO OUT
10
11
12
COMPOSITE SYNC INPUT
COMPOSITE SYNC OUTPUT
VCC 1
* VCC 1,GND 1: EXCEPT OUTPUT STAGE
* VCC 2, GND 2: OUTPUT STAGE
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
Characteristic
Supply Voltage
Symbol
Value
Unit
VCC
PD
10
V
mW
°C
Power dissipation
1250
Operating Temperature
Storage Temperature
TOPR
TSTG
-20~+70
-55~+150
°C
ELECTRICAL CHARACTERISTICS(TA=25°C, VCC=5V)
Characteristic
Supply Current 1
Symbol
Test Condition
Min
Typ
Max
Unit
ICC1
ICC2
VO
VO
VO
fC
No Signal input
No Signal input
RIN =1 VP-P
20
5.6
0.64
0.64
0.64
5
27
7.6
0.71
0.71
0.71
-
32
11
mA
mA
VP-P
VP-P
VP-P
MHz
MHz
MHz
V
Supply Current 2
R Output Voltage
G Output Voltage
B Output Voltage
R Frequency Response
G Frequency Response
B Frequency Response
Sync. Level
0.78
0.78
0.78
-
GIN =1 VP-P
BIN =1 VP-P
R, G, B f = 200 KHz
-dB POINT
fC
5
-
-
fC
5
-
-
VOS
VO
VO
VO
Condition:R, G, B and
C Sync. input
0.26
0.19
0.38
0.07
0.29
0.21
0.42
0.08
0.33
0.25
0.48
0.09
R 100% Y Level
V
G 100% Y Level
Measure Composite
Video Output
V
B 100% Y Level
V
KA2195D
RGB ENCODER FOR NTSC
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
While 100% Y level
Differiential Gain
Differiential Phase
Burst Level
VO
DG
DP
0.64
-
0.71
-
0.82
3.0
V
%
Composite Video
Output
-
-
3.0
deg
VP-P
times
VOB
R/BN
G/BN
B/BN
SR
0.22
2.8
2.65
2.01
94
0.29
3.15
2.95
2.24
104
241
347
2.75
0.5
-
0.34
3.5
R Chroma Ratio
G Chroma Ratio
B Chroma Ratio
R Phase
3.25 times
2.57 times
114
251
357
3.6
0.75
30
deg
deg
deg
us
G Phase
SG
231
337
2.5
0.45
-
B Phase
SB
Burst Width
TWB
TDB
Burst Position
Carrier Leakage
C Sync. Output Level
Audio Buffer Gain
Audio Freq. Response
Audio Distortion
us
VI
mVP-P
VP-P
dB
VOS
GA
0.2
-1.0
30
0.29
0
0.4
1.0
-
1VP-P, f=1KHz
-3dB
FA
-
KHz
%
THD
1VP-P, f=1KHz
-
-
1.0
KA2195D
RGB ENCODER FOR NTSC
* AUDIO OUT
* SYNC. OUT
AUDIO IN
2.0V
0.8V
SYNC IN
Vin=1Vp-p
f=1kHz
AUDIO OUT
Vos
SYNC OUT
Vo
* COMPOSITE VIDEO OUT
2.0V
0.8V
SYNC IN
0.5V
0.2V
VIDEO IN
CHROMA IN
0.3V
Composite Video
Output
KA2195D
RGB ENCODER FOR NTSC
TEST WAVEFORM
* R,G,B OUT
* COMPOSITE VIDEO OUT
2.0V
0.8V
2.0V
0.8V
SYNC IN
SYNC IN
64us
1 Vp-p
R IN
G IN
4.5us
1.0Vp-p
f=200KHz
R,G,B
IN
1 Vp-p
B IN
1 Vp-p
R,G,B
OUT
Vo
COMPOSITE VIDEO OUT
KA2195D
RGB ENCODER FOR NTSC
TEST CIRCUIT
75
W
75W
75W
75W
5V
27KW
10mF
+
75W
75W
470mF
75W
470mF
75W
470mF
10mF
+
470mF
+
+
+
+
24
23
22
21
20
19
18
17
16
15
14
13
KA2195D
1
2
3
4
5
6
7
8
9
10
11
12
A
+
+
+
10mF
30P
10mF
470mF
75W
3.58MHz
X-tal
75W
5V
5V
50PF
15KW
0.1 F
m
0.1mF 0.1mF
2.0V
B
R
G
AUDIO IN
C SYNC. IN
KA2195D
RGB ENCODER FOR NTSC
APPLICATION CIRCUIT
composite
video OUT
G
OUT
B
OUT
R
OUT
0.01mF
Vcc(5V)
+
100mF
75W
75W
75W
75W
10mF
+
470mF
470mF
470
F
m
470
F
m
10mF
+
+
+
+
+
n.c
18
n.c
17
n.c
16
n.c
15
23
22
21
20
19
14
13
24
KA2195D
2
3
4
5
6
7
8
+
9
10
11
12
1
3.58MHz
X-tal
30PF
+
+
470mF
10mF
10mF
AUDIO
OUT
0.1mF
0.1mF 0.1mF
50PF
75W
15KW
C. SYNC
OUT
R
IN
G
IN
B
IN
AUDIO
IN
C.SYNC
IN
0.1mF
6
400 ~ 1000mVp-p
KA2195D
5
N.C
fsc in
3.579545MHz
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