KA2197 [SAMSUNG]
RGB ENCODER FOR NTSC; RGB编码器, NTSC型号: | KA2197 |
厂家: | SAMSUNG |
描述: | RGB ENCODER FOR NTSC |
文件: | 总5页 (文件大小:59K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
KA2197D
RGB ENCODER FOR NTSC
RGB ENCODER
24-SOP
The KA2197 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
and Y/C output using S-VHS system.
The KA2197D is suitable for video equipment.
FUNCTIONS
· Regulator
· Mixer of R-Y, B-Y
· Modulator
· Pulse generator
· Audio buffer
ORDERING INFORMATION
Device Package Operating Temperature
KA2197D 24SOP
-20°C ~+70°C
· X-tal oscillator
· Clamp circuit
· BPF & D.L circuit
· Y/C output
BLOCK DIAGRAM
24
23
20
19
18
17
16
15
14
13
22
21
Y OUT C OUT
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
KA2197D
RGB ENCODER FOR NTSC
PIN CONFIGURATION
Pin No.
DESCRIPTION
Pin NO
DESCRIPTION
1
2
GND 1
13
14
15
16
17
18
19
20
21
22
23
24
REGULATOR CURRENT SINK
RED INPUT
GREEN INPUT
BLUE INPUT
X-TAL OUT
2V REGULATOR OUTPUT
3
C OUT
4
Y OUT
5
N.C
6
X-TAL IN
N.C
7
N.C
VCC 2
8
AUDIO IN
COMPOSITE VIDEO OUTPUT
BLUE OUTPUT
GREEN OUTPUT
RED OUTPUT
GND 2
9
AUDIO OUT
COMPOSITE SYNC INPUT
COMPOSITE SYNC OUTPUT
VCC 1
10
11
12
* VCC 1, GND 1 : EXCEPT OUTPUT STAGE
* VCC 2, GND 2 : OUTPUT STAGE
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
Characteristic
Symbol
Value
Unit
Supply Voltage
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
29
6.0
0.64
0.64
0.64
5
39
11
49
16
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
0.71
0.71
0.71
-
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
KA2197D
RGB ENCODER FOR NTSC
Characteristic
Symbol Test Conditions
Min
Typ
Max
Unit
While 100% Y level
Differiential Gain
Differiential Phase
Burst Level
VO
0.64
-
0.71
-
0.82
3.0
V
%
DG
DP
Composite Video
Output
-
-
3.0
deg
VP-P
times
times
times
deg
deg
deg
us
VOB
0.22
2.8
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
R/BN
G/BN
B/BN
SR
2.65
2.01
94
3.25
2.57
114
251
357
3.6
G Phase
SG
231
337
2.5
B Phase
SB
Burst Width
TWB
Burst Position
Carrier Leakage
C Sync. Output Level
Audio Buffer Gain
Audio Freq. Response
Audio Distortion
Sync. Level
TDB
0.45
-
0.75
30
us
VI
mVP-P
VP-P
dB
VOS
0.2
0.29
0
0.4
GA
1VP-P, f=1KHz
-3dB
-1.0
30
1.0
FA
-
-
KHz
%
THD
Y(CS)
Y(R)
Y(G)
Y(B)
Y(W)
C(BN)
C(R/BN)
C(G/BN)
C(B/BN)
1VP-P, f=1KHz
Y OUTPUT
-
-
1.0
0.26
0.19
0.38
0.07
0.64
0.22
2.80
2.65
2.01
0.29
0.21
0.42
0.08
0.71
0.29
3.15
2.95
2.24
0.33
0.25
0.48
0.09
0.82
0.34
3.50
3.25
2.47
VP-P
V
R 100% Y Level
G 100% Y Level
B 100% Y Level
White 100% Y Level
Burst Level
V
V
V
C OUTPUT
VP-P
time
time
time
R Chroma ratio
G Chroma ratio
B Chroma ratio
KA2197D
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
*AUDIO OUT
AUDIO IN
2.0V
SYNC IN
Vin=1Vp-p
f=1kHz
0.8V
AUDIO OUT
Vos
SYNC OUT
Vo
KA2197D
RGB ENCODER FOR NTSC
APPLICATION CIRCUIT
composite
video OUT
R
OUT
G
OUT
B
OUT
C OUT
Y OUT
0.01 F
m
Vcc(5V)
100 F
+
m
75
W
75
W
75
75
W
75
W
W
75
W
470 F
m
470 F
m
470 F
m
470 F
m
470 F
m
470 F
m
10
F
m
+
+
+
+
+
+
+
n.c
18
n.c
17
n.c
13
24
23
22
21
20
19
16
15
14
KA2197D
1
2
3
4
5
6
7
8
9
10
11
12
n.c
n.c
n.c
+
+
AUDIO
OUT
0.1
F
m
0.1
F
m
10 F
m
10 F
m
0.1 F
m
0.1 F
m
75
G
IN
B
IN
R
IN
C. SYNC
IN
AUDIO
IN
400 ~ 100mVp-p
fsc in
4.43MHz
** only using external fsc input
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