STV6412A STMicroelectronics, STV6412A Datasheet
STV6412A
Specifications of STV6412A
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STV6412A Summary of contents
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... Full Range Volume Control with Soft Control – Audio Muting on all Outputs DESCRIPTION The STV6412A is a highly integrated I trolled audio and video switch matrix, optimized for use in digital set-top box applications. It pro- vides all the audio and video routings required in a full two SCART set-top box design ...
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GENERAL OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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... Audio Right, Input from Encoder Green Input from Encoder Audio Left, Input from Encoder Blue Input from Encoder Not Connected Audio Decoupling Capacitor Ground Y/CVBS Input from VCR SCART Audio Left, Input from VCR SCART STV6412A ROUT_TV Vccao LOUT_VCR ROUT_VCR LOUT_CINCH ROUT_CINCH NC GNDA ...
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... STV6412A Pin No. Symbol 20 RIN_VCR 21 CVBSIN_TV 22 LIN_TV 23 RIN_TV 24 V CCA 25 GNDA ROUT_CINCH 28 LOUT_CINCH 29 ROUT_VCR 30 LOUT_VCR 31 V CCAO 32 ROUT_TV 33 LOUT_TV 34 FILTER 35 AOUT_RF 36 VOUT_RF 37 V CCB5 38 BOUT_TV 39 V CCB4 40 GOUT_TV 41 GNDB 42 R/COUT_TV 43 V CCB3 44 Y/CVBSOUT_TV 45 V CCB2 46 COUT_VCR 47 V CCB1 48 Y/CVBSOUT_VCR 49 FBOUT_TV 50 FBIN_VCR ...
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... Figure 3. STV6412A Block Diagram FBIN_ENC FBIN_VCR BIN_ENC BIN_VCR GIN_ENC GIN_VCR R/CIN_ENC R/CIN_VCR CIN_ENC CVBSIN_AUX Y/CVBSIN_VCR YIN_ENC Y/CVBSIN_ENC CVBSIN_TV LIN_AUX LIN_ENC 0/6/9 dB LIN_TV RIN_AUX RIN_ENC 0/6/9 dB RIN_TV LIN_VCR RIN_VCR FBIN_ENC FBIN_VCR FB Switch BIN_ENC 3 to BIN_VCR 9 dB GIN_ENC GIN_VCR R/CIN_ENC R/CIN_VCR Mute 3 to ...
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... STV6412A Figure 4. Functional Block Diagram SCART1 TV RF MOD AUX MICRO 6/24 R/C G STV6412A B FAST BLANK CVBS AUDIO L SWITCHES AUDIO R CVBS/Y AUDIO L CVBS/Y SWITCHES AUDIO R SLOW BLANK CHROMA CVBS SWITCHES AUDIO L+R CVBS AUDIO SWITCHES AUDIO L AUDIO R SLOW BLANK, I/O CONTROL INTERRUPT AUDIO L CINCH ...
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... V CCA CCBi 0, 5 CC12 ±4 0, +70 -20, +150 Value 48 , unless otherwise specified. Min. Typ. Max. 4.75 5 5.25 11.2 12 12.8 CCA 8.5 9 CCA 4.75 5 5.25 11.2 12 12.8 Min. Typ. Max. 4.5 9 STV6412A Units °C °C Units °C/W Units Units 7/24 ...
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... STV6412A Symbol Parameter Total Video Supply Current I CCV ( CCB1 CCB2 CCB3 Supply Current CC12 Table 3. Standby Mode (All channels OFF) Symbol Parameter I Digital Supply Current DD I Audio Supply Current CCAstd I Total Video Supply Current CCVstd 2.3 Audio Section Characteristics T = 25° ...
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... LPF @ 0.01 0.01 2.1 2.3 2 2.25 -90 , unless otherwise specified. Min. Typ 1 muted muted 150 5 5.5 6 -0.3 0 0.75 1 5.5 6 -0.5 0 STV6412A Max. Units dB 0 0.1 0 RMS k dB Max. Units µ MHz MHz MHz +/-0.5 dB +/-0.5 dB +/-1 6 ...
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... STV6412A Symbol Parameter DC DC Output Voltage OUT DC RF Output Voltage OUT RF DPHI Differential Phase DG Differential Gain Mute Mute Suppression LNL Luminance non-linerarity VSN Video S/N Ratio Note 1: S log (V Black to White = 0.7 V OUT 2.5 Chroma Section Characteristics ° CCAO amb R = 600 ...
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... Test Conditions CCB1 Note 2) Test Conditions External pull- Test Conditions 2 C bus register is read. STV6412A Min. Typ. Max. Units 50 100 µA 0 0.02 1 5.75 6 Min. Typ. Max. Units 0.4 ...
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... STV6412A 2.7 I²C Bus Characteristics T = 25° CCAO CC amb R = 600 , R = 10k , R GA LOUTA Table 12. I²C Bus Characteristics Symbol Parameter SCL V Low Level Input Voltage IL V High Level Input Voltage IH I Input Leakage Current LI SDA V Low Level Input Voltage IL V High Level Input Voltage ...
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... TV/CINCH Audio Switch Control TV Video and Chroma Switch Control Fast Blanking Mode/Input Selection RF Trap RF Adder Filter Control Control VCR R/C 0/6/9 dB sub Clamp TV VCR Inputs Inputs STV6412A Soft Volume Mode Output Selection ENC R/C sub Clamp ENC ...
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... STV6412A Table 14. TV Audio Output Reg. Addr Description (Hex) Soft Volume Change Level Adjustment Extra Gain TV Stereo or Mono Mode Table 15. Audio Selection & VCR Audio Output Reg. Addr Description (Hex) TV & CINCH Audio Output Selection 01 CINCH Audio Gain VCR Audio Output Selection ...
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... STV6412A Comments Y/CVBS muted & Chroma muted 1 Y/CVBS_ENC & R/C_ENC Y_ENC & C_ENC 1 1 Y/CVBS_VCR & R/C_VCR 0 0 CVBS_AUX & Chroma muted 0 1 Not allowed 1 0 Not allowed ...
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... STV6412A Table 18. RF & Miscellaneous Control Reg. Addr Description (Hex) R/C TV Output Selection RF Output: Adder control and chroma sub-carrier filter selection C_Gate Output Control 04 C_VCR Output Control Slow Blanking Mode IT Enable Table 19. Slow Blanking & Inputs Control Reg. Addr Description (Hex) Encoder R/Csub Clamp ...
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... Mode VCR, TV and RFmod video outputs are muted. Fast Blanking is forced to ‘0’. RGB outputs are muted and in high imped ance C_GATE is high. C_VCR is high impedance. STV6412A Comments Inputs active X 1 Inputs disabled 0 X Inputs active 1 ...
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... STV6412A Reg. Data Addr (Hex Figure 6. Volume Control Characteristics 0 -36 -62 dB 18/24 Encoder and VCR R/Csub Bottom Level Clamp, RGB outputs Gain, and Slow Blanking parts are in read mode. ...
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... Figure 10. Average Clamped Video Inputs (Pin8 Protected Pad Figure 11. Cgate Logical Output (Pin 52) Figure 12. Fast Blanking Output (Pin 49) tri VCC 5 V VCC tri CCB1 ohms Protected Pad CCB1 V CCB1 Protected Pad STV6412A 19/24 ...
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... STV6412A Figure 13. Video Outputs (Pins 38, 40, 42, 44, 46, 48 Figure 14. Audio Inputs (Pins 7, 9 11, 13, 19, 20, 22, 23 CCA I B Protected Pad Figure 15. Slow Blanking I/O (Pins 59, 61 110 20/24 Figure 16. Trap Filter (Pin 34 CCB1,2 ...7 Protected Pad Figure 17 ...
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... They are not supposed to be paths for any current in normal operation mode. Figure 21. I²C Bus (SCL) (Pin 55 GNDA GNDref STV6412A Float 10 k Protected Pad GNDV GDD Float 5 V ...
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... STV6412A 5 APPLICATION DIAGRAM For more details refer to STV6412 Application Note. 22/24 Modulator STV6412A 4.43MHzTrap ...
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... Millimeters Typ. Max. 1.60 0.15 1.40 1.45 0.37 0.45 0.20 16.00 14.00 12.00 0.80 16.00 14.00 1 12.00 0.60 0.75 1.00 0° (Min.), 7° (Max.) STV6412A 0,10 mm .004 inch SEATING PLANE 0,25 mm .010 inch GAGE PLANE K Inches Min. Typ. 0.002 0.053 0.055 0.0118 0.0146 0.0035 0.630 0.551 0.472 0.0315 0.630 0.551 0.472 0.018 0.024 0.039 Max ...
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... STV6412A Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...