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KA2197D
RGB ENCODER
RGB ENCODER FOR NTSC
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 • X-tal oscillator • Clamp circuit • BPF & D.L circuit • Y/C output
ORDERING INFORMATION
Device Package Operating Temperature KA2197D 24SOP -20°C ~+70°C
BLOCK DIAGRAM
24 23 22 21 20 19 18 17 16 Y OUT R G B VIDEO OUTPUT Y/C MIXER DL & TRAP 15 C OUT 3.58M BPF REGULATOR 14 13
R,G,B OUTPUT
MATRIX
R-Y MODULATOR
+
B-Y MODULATOR
SYNC ADD
R,G,B CLAMP
X-TAL OSC.
PHASE SHIFTER
PULSE GEN.
BUFFER
SYNC OUT
R 1 2
G 3
B 4 5 6 7 8 9 10 11 12
KA2197D
RGB ENCODER FOR NTSC
PIN CONFIGURATION
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 DESCRIPTION GND 1 RED INPUT GREEN INPUT BLUE INPUT X-TAL OUT X-TAL IN N.C AUDIO IN AUDIO OUT COMPOSITE SYNC INPUT COMPOSITE SYNC OUTPUT VCC 1 Pin NO 13 14 15 16 17 18 19 20 21 22 23 24 DESCRIPTION REGULATOR CURRENT SINK 2V REGULATOR OUTPUT C OUT Y OUT N.C N.C VCC 2 COMPOSITE VIDEO OUTPUT BLUE OUTPUT GREEN OUTPUT RED OUTPUT GND 2
* VCC 1, GND 1 : EXCEPT OUTPUT STAGE * VCC 2, GND 2 : OUTPUT STAGE
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
Characteristic Supply Voltage Power dissipation Operating Temperature Storage Temperature Symbol VCC PD TOPR TSTG Value 10 1250 -20~+70 -55~+150 Unit V mW °C °C
ELECTRICAL CHARACTERISTICS(TA=25°C, VCC=5V)
Characteristic Supply Current 1 Supply Current 2 R Output Voltage G Output Voltage B Output Voltage R Frequency Response G Frequency Response B Frequency Response Sync. Level R 100% Y Level G 100% Y Level B 100% Y Level Symbol ICC1 ICC2 VO VO VO fC fC fC VOS VO VO VO Test Condition No Signal input No Signal input RIN =1 VP-P GIN =1 VP-P BIN =1 VP-P R, G, B f = 200 KHz -dB POINT Condition:R, G, B and C Sync. input Measure Composite Video Output Min 29 6.0 0.64 0.64 0.64 5 5 5 0.26 0.19 0.38 0.07 Typ 39 11 0.71 0.71 0.71 0.29 0.21 0.42 0.08 Max 49 16 0.78 0.78 0.78 0.33 0.25 0.48 0.09 Unit mA mA VP-P VP-P VP-P MHz MHz MHz V V V V
KA2197D
RGB ENCODER FOR NTSC
Characteristic While 100% Y level Differiential Gain Differiential Phase Burst Level R Chroma Ratio G Chroma Ratio B Chroma Ratio R Phase G Phase B Phase Burst Width Burst Position Carrier Leakage C Sync. Output Level Audio Buffer Gain Audio Freq. Response Audio Distortion Sync. Level R 100% Y Level G 100% Y Level B 100% Y Level White 100% Y Level Burst Level R Chroma ratio G Chroma ratio B Chroma ratio
Symbol VO DG DP VOB R/BN G/BN B/BN SR SG SB TWB TDB VI VOS GA FA THD Y(CS) Y(R) Y(G) Y(B) Y(W) C(BN) C(R/BN) C(G/BN) C(B/BN)
Test Conditions Composite Video Output
Min 0.64 0.22 2.8 2.65 2.01 94 231 337 2.5 0.45 0.2 -1.0 30 0.26 0.19 0.38 0.07 0.64 0.22 2.80 2.65 2.01
Typ 0.71 0.29 3.15 2.95 2.24 104 241 347 .