NTE7151 Integrated Circuit I 2 C Bus Control NTSC 1 Chip Color TV IC

Transcription

1 NTE7151 Integrated Circuit I 2 C Bus Control NTSC 1 Chip Color TV IC Description: The NTE7151 is an integrated circuit in a 56 Lead DIP type package designed for use as a PIF, SIF, video, chroma and deflection circuit for NTSC color TVs. This device also provides audio/video switching and a text interface. Features: PIF Circuit PLL Type IF Demodulation (Bus Alignment) RF AGC Output (Delay Point: Bus Alignment) Adjustment Free AFT Without Tank Coil Dual Time Constant Fast AGC Video Circuit Black Stretcher Uni Color Circuit (Bus Control) DC Restoration Circuit 3.58MHz Trap Filter Circuit (Bus ON/OFF) D.L. Aperture Compensate Circuit (Bus Control) Y Delay Line Circuit Internal Filter Auto Adjust Circuit (F SC Link Type) Chroma Circuit Color Control Circuit (Bus Control) B.P.F. / T.O.F. Circuit (Bus Select) Tint Control Circuit (Bus Control) Included ACC/Killer Filter SIF Circuit Inter Carrier SIF System Attenuator Circuit (Bus Control) External Sound Select Switch (Bus Select) Text Circuit Linear RGB Input RGB Primary Color Output Cut Off/Drive Adjustment (Bus Adjustment) Deflection Circuit Adjustment Free Countdown System Vertical Amplitude Adjustment (Bus Adjustment) Sync. Separation Output Vertical Ramp Output X Ray Protect Circuit Dual Time Constant AFC Circuit Auto Slicer Type High Performance Sync. Separation Circuit Horizontal and Vertical Position Adjustment (Bus Adjustment)

2 Absolute Maximum Ratings: (T A = +25 C unless otherwise specified) Power Supply Voltage, V CC V Power Dissipation, P D max W Derate Above 25 C mW/ C Input Terminal Voltage, V in GND 0.3V to V CC +0.3V Input Signal Amplitude, e in V P P Operating Temperature Range, T opr to +65 C Storage Temperature Range, T stg to +150 C Recommended Operating Conditions: PIF Power Supply Voltage V CCP V SIF Power Supply Voltage V CCS V V/C/D Power Supply Voltage V CCV V H. V CC Power Supply Voltage H. V CC V D. V CC Power Supply Voltage D. V CC V TV External Video Input Level V in37/39 Including Sync. 1.0 V P P Standard Video Input Level V in43 Including Sync. 1.0 V P P Standard Chroma Input Level V in45 At Burst Signal 286 mv P P FBP Width T FBP V th = 1.4V, V CC = 1.4V µs FBP Input Flow In Current I FBP max 2 ma PIF Output Load Resistor R OP kω SIF Output Load Resistor R OS kω RGB Output Load Resistor R ORGB 1.8 kω Horizontal Output Load Resistor R HOUT maximum 10mA Ω Vertical Output Load Resistor R VOUT kω Sync.Separation Output Flow In Current I sync max 1 ma DC Electrical Characteristics: (V CC = 9V, H. V CC = 9V, T A = +25 C unless otherwise specified) Sound Output (Pin1) V V Sound Output (Pin2) V V RF AGC (Pin3) V V AGC Filter (Pin5) V V PIF GND (Pin6) GND 0.0 V PIF Input (Pin7) V V PIF Input (Pin8) V V PIF V CC (Pin9) V CC 9.0 V Loop Filter (Pin10) V V APC Filter (Pin11) V V VCXO (Pin12) V V V/C/D GND (Pin13) GND 0.0 V F BLK (Pin14) V V Analog R Input (Pin15) V V Analog G Input (Pin16) V V Analog B Input (Pin17) V V

3 DC Electrical Characteristics (Cont d): (V CC = 9V, H. V CC = 9V, T A = +25 C unless otherwise specified) D. V CC (Pin18) V CC 3.3 V R Output (Pin19) V 19 BRT, C.O Cent V G Output (Pin20) V 20 BRT, C.O Cent V B Output (Pin21) V 21 BRT, C.O Cent V V SEPA (Pin25) V V H. V CC (Pin26) V V SCL (Pin27) V V SDA (Pin28) V V X RAY (Pin29) V V H. AFC (Pin33) V V 32f H VCO (Pin34) V V D. GND (Pin35) GND 0.0 V ABL (Pin36) V 36 BRT, COL Cent V TV Input (Pin37) V V ACL (Pin38) V 38 BRT, COL Cent V EXT. Video Input (Pin39) V V Black DET (Pin40) V V AV/SW Output (Pin41) V V DC Rest (Pin42) V V Y Input (Pin43) V V AFT (Pin44) V V Chroma Input (PIn45) V V V / C / D V CC (Pin46) V V TV DET. Output (Pin47) V V SIF V CC (Pin48) V CC 9.0 V SIF GND (Pin51) GND 0.0 V Limiter Input (Pin52) V V Audio TV Input (Pin53) V V De Emphasis (Pin54) V 54 Pin4 GND V EXT. Audio Input (Pin55) V V EXT. Audio Input (Pin56) V V Current Consumption IF Power Supply Current I cci ma V / C / D Power Supply Current I ccv ma H. V CC Power Supply Current I cch ma D. V CC Power Supply Current I ccd ma

4 AC Electrical Characteristics: (V CC = 9V, H. V CC = 9V, T A = +25 C unless otherwise specified) PIF Video Detected Output Level V O V P P V O V P P Input Sensitivity V IN min 42 dbµv V IN max dbµv Sync Tip Level V SYNC V Output Level for No Input V IF V Differential Gain DG 2 5 % Differential Phase DP 2 5 DEG PIF Output Frequency Characteristics f c 5 7 MHz Carrier Wave Compression Ratio CR db 2 nd Harmonics Compression Ratio HR db PIF Input Resistance R ipif 1.5 kω PIF Input Capacitance C ipif 3.8 pf Signal to Noise Ratio S/N db 920kHz Beat I db IF AGC Range RW AGC db IF AGC Voltage V 5MEAN V V 5 max V V 5 min 3.8 V RF AGC Voltage V 3 max V V 3 min V RF AGC Control Range G RFAGC db AFT Center Voltage V 4CENT V AFT Voltage V 4 max V V 4 min V AFT Sensitivity AFT 40 khz/v AFT Output Resistance R AFTOUT kω PIF VCO Control Sensitivity IFVCO MHz/V PIF VCO Pull In Range f ph MHz f pl MHz PIF VCO Control Range f PIFVCO 4.4 MHz SIF Sound Output Level V AAC mv rms V ADC 4.5 V Sound Distortion V AUDIO % AMR AMR db Limiting Sensitivity V LIM 35 dbµv Sound Output Frequency Characteristics f AUDIOH 130 khz f AUDIOL 130 khz Sound Output Resistance R SOUT kω

5 AC Electrical Characteristics (Cont d): (V CC = 9V, H. V CC = 9V, T A = +25 C unless otherwise specified) ATT ATT Gain G ATTMAXE db G ATTMAXT db G ATTMEAN db G ATTMIN db DC Voltage Drift V 1VAR 50 mv V 1DC V Input Impedance R i53 30 kω R i55 47 kω Balance Characteristics B MAX db Video B MIN db Input Impedance R i kω Input Dynamic Range V di V Video Total Gain G Y Video Frequyency Characteristic f Y MHz Maximum Output V do V Black Expansion Amp Gain G BAMP Black Expansion Start Point G BSTP IRE DC Restoration T DC % Sharpness Control Characteristics G SHcent db G SHmax db G SHmin db Sharpness Delay Time t SHDLY 125 ns Contrast Control Characteristics G CNcent db G CNmin db H. V BLK Output Voltage V BLK V V BLK Width T VBLK 3.5 to 24.0 H f sc Trap Gain G TRAP db OSD OSD Switching Voltage V thosd V OSD Delay Time t OSDDLY ns OSD Delay Time Difference t OSDD 5 10 ns OSD Rising Time R ns OSD Falling Time F ns Input Clamp Voltage V OSDC V OSD Gain G OSD Input Dynamic Range V diosd V Cutoff Drive Brightness Control Characteristics V BRTmax V V BRTcen V V BRTmin V

6 AC Electrical Characteristics (Cont d): (V CC = 9V, H. V CC = 9V, T A = +25 C unless otherwise specified) Cutoff Drive (Cont d) Brightness Control Difference Between 3 Axes VRGB mv Cutoff Control Characteristics V cutmax V V cutcen 0.0 V V cutmin V Drive Control Characteristics G drvmax db Chroma G drvmin db Input Dynamic Range V di V ACC Characteristics e a db e b db A Killer Point EK db VCXO Frequency Control Range f VCXO ±500 ±600 Hz VCXO Frequency Control Sensitivity VCXO 1.0 Hz/mV VCXO Pull In Range f VCXOPL ±300 ±450 Hz Demodulate Relative Gain R/B G/B Demodulate Relative Phase R B DEG G B DEG Carrier Wave Remain E CR mv P P E CB mv P P E CG mv P P Color Control Characteristics V CLRmax V P P G CLRcen db G CLRmin db Uni Color Control Characteristics G UNIcen db G UNImin db Tint Control Characteristics TNTcen DEG TNT ±35 ±45 ±55 DEG Video Chroma Delay Time t V C ns Deflection Horizontal Free Running Frequency f H Hz H. Out Pulse Duty T H % H. Out Voltage V HL V V HH V VCO OSC Start Voltage V OSCmin V H. Out Start Voltage V HST V H. Frequency Control Range f H ±500 ±650 Hz H. Frequency Control Sensitivity H 500 Hz/V H. Sync Pull In Range f HPUL ±450 ±500 Hz H. Pull In Stop Period T HSTP 259 to 272 H

7 AC Electrical Characteristics (Cont d): (V CC = 9V, H. V CC = 9V, T A = +25 C unless otherwise specified) Deflection (Cont d) AFC 2 Control Range T AFC µs Horizontal Position Adjustment T PAFC2 ±3 µs X Ray Protection Detection Voltage V XDET V X Ray Protection Hold Voltage V XHLD V X Ray Protection Hold Current V XLD µa Vertical Free Running Frequency f V 295 H V. Sync Pull In Range T VST 224 H T VEND 295 H V. Out Pulse Width T V 8 H V. Ramp Amplitude Control V VL V V VH V H. Sync Separation Level R sepa % Forced V. OSC (262.5H) f V60 60 Hz Pin Connection Diagram Sound Outptu 1 56 Ext. Audio Sound Output 2 55 Ext. Audio RF AGC 3 54 De Emphasis SIF Tank 4 53 Audio TV Input AGC Filter 5 52 Limiter Input PIF GND 6 51 SIF GND PIF Input 7 50 PIF Tank PIF Input 8 49 PIF Tank PIF V CC 9 48 SIF V CC Loop Filter TV Det. Output APC Filter V CC VCXO Chroma Input GND AFT F BLK Y Input Analog R Input DC Restoration Analog G Input AV/SW Output Analog B Input Black Det D. V CC Ext. Video R Output ACL G Output TV Input B Output ABL V. Output D. GND NFB f H VCO V. Ramp H. AFC V Sepa Filter H. Output H. V CC Sync Output SCL FBP Input SDA X Ray

8 (50.9) Max.551 (14.0).165 (4.2).070 (1.78).118 (3.0).600 (15.24)