PDF LA76070 Data sheet ( Hoja de datos )

Número de pieza	LA76070
Descripción	NTSC Color Television IC
Fabricantes	Sanyo
Logotipo
Hay una vista previa y un enlace de descarga de LA76070 (archivo pdf) en la parte inferior de esta página. Total 27 Páginas
No Preview Available ! Ordering number : ENN5844 Monolithic Linear IC LA76070 NTSC Color Television IC Overview The LA76070 is an NTSC color television IC. In addition to providing IIC bus control based rationalization of IC control and the adjustment manufacturing process associated with the TV tube itself, it also includes all functions actually required in mass-produced television sets. As such, it is an extremely practical bus control IC. * The LA7840/41 or LA7845N/46N is recommended as the vertical output IC for use with this product. Functions • I2C bus control, VIF, SIF, Y, C, and deflection integrated on a single chip. Package Dimensions unit: mm 3128-DIP52S [LA76070] 52 27 1 26 46.0 0.48 1.05 1.78 0.75 SANYO: DIP52S Specifications Maximum Ratings at Ta = 25°C Parameter Maximum power supply voltage Maximum power supply current Allowable power dissipation Operating temperature Storage temperature Symbol V4 max V26 max I21 max Pd max Topr Tstg Ta ≤ 65°C* Conditions Note: *Provided on a printed circuit board: 83.2 × 86.0 × 1.6 mm, material: Bakelite Rating 9.6 9.6 25 1.3 –10 to +65 –55 to +150 Unit V V mA W °C °C Operating Conditions at Ta = 25°C Parameter Recommended power supply voltage Recommended power supply current Operating power supply voltage range Operating power supply current range Symbol V4 V26 I21 V4 op V26 op 121 op Conditions Rating 7.6 7.6 19 7.3 to 7.9 7.3 to 7.9 16 to 25 Units V V mA V V mA Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 70999 RM (OT) No. 5844-1/27 1 page LA76070 BUS: Initial Conditions Initial test conditions Register T Enable Video Mute Sync Kill AFC Gain Horizontal Phase IF AGC SW AFT Defeat RF AGC Delay 0 HEX 1 HEX 0 HEX 0 HEX 4 HEX 0 HEX 0 HEX 20 HEX LA76070 Initial test conditions Register Video SW PLL Tuning Audio Mute APC Det Adjust V CD Mode Vertical DC Vertical Kill Col Kill Vertical Size Red Bias Green Bias Blue Bias Blanking Defeat Red Drive Blue Drive Color Difference Mode Enable Brightness Control Contrast Test Enable Contrast Control Trap & Delay Enable SW Auto Flesh Black Stretch Defeat Sharpness Control Tint Test Enable Tint Control Color Test Enable Color Control Vertical Test Video Level FM Level BNI Enable Audio SW Volume Control (continued) 0 HEX 40 HEX 1 HEX 20 HEX 0 HEX 20 HEX 0 HEX 0 HEX 20 HEX 00 HEX 00 HEX 00 HEX 0 HEX 7F HEX 7F HEX 0 HEX 40 HEX 0 HEX 40 HEX 0 HEX 0 HEX 0 HEX 10 HEX 0 HEX 40 HEX 0 HEX 40 HEX 0 HEX 4 HEX 10 HEX 0 HEX 0 HEX 00 HEX No. 5844-5/27 5 Page LA76070 Parameter Symbol Measurement point Input signal Measurement procedure Bus conditions [VIF Block] AFT output voltage with no signal VAFTn Video output voltage with no signal VOn 13 45 APC pull-in range (U), (L) fPU, fPL 45 Maximum RF AGC voltage Minimum RF AGC voltage RF AGC Delay Pt (@DAC = 0) RF AGC Delay Pt (@DAC = 63) VRFH VRFL RFAGC0 6 6 6 6RFAGC63 Maximum AFT output voltage VAFTH 13 Minimum AFT output voltage VAFTL 13 AFT detection sensitivity VAFTS 13 Video output amplitude Synchronization signal tip level VO VOtip 45 45 Input sensitivity Vi 45 Video-to-sync ratio (@ 100 dBµ) V/S 45 Differential gain Differential phase Video signal-to-noise ratio DG 45 DP 45 S/N 45 920 kHz beat level I920 45 Measure the pin 13 DC voltage when No signal IF.AGC. DEF is "1" After performing the adjustments described in section 4 Measure the pin 45 DC voltage when No signal IF.AGC. DEF is "1" After performing the adjustments described in section 4 SG4 93 dBµ Connect an oscilloscope to pin 45 and modify the SG4 signal to be a frequency above 45.75 MHz so that the PLL circuit becomes unlocked. (Beating will occur in this state.) Gradually lower the SG4 frequency and measure the frequency at which the PLL circuit locks. Similarly, modify the frequency to a value below 45.75 MHz so that the PLL circuit becomes unlocked. Gradually raise the SG4 frequency and measure the frequency at which the PLL circuit locks. After performing the adjustments described in section 4 SG1 Set the RF AGC DAC to 0 and measure the pin After performing the adjustments 91 dBµ 6 DC voltage described in section 4 SG1 Set the RF AGC DAC to 63 and measure the 91 dBµ pin 6 DC voltage After performing the adjustments described in section 4 SG1 Set the RF AGC DAC to 0 and determine the input level such that the pin 6 DC voltage becomes 3.8 V ±0.5 V After performing the adjustments described in section 4 SG1 Set the RF AGC DAC to 63 and determine the input level such that the pin 4 DC voltage becomes 3.8 V ±0.5 V After performing the adjustments described in section 4 SG4 93 dBµ Set the SG4 signal frequency to 44.75 MHz and input that signal. Measure the pin 13 DC voltage at that time. After performing the adjustments described in section 4 SG4 93 dBµz Set the SG4 signal frequency to 46.75 MHz and input that signal. Measure the pin 13 DC voltage at that time. After performing the adjustments described in section 4 SG4 93 dBµz Modify the SG4 frequency to determine the frequency deviation (∆f) such that the pin 13 DC voltage changes from 2.5 V to 5.0 V. VAFTS = 2500/∆f [mV/kHz] After performing the adjustments described in section 4 SG7 Observe pin 45 with an oscilloscope and 93 dBµ measure the p-p value of the waveform After performing the adjustments described in section 4 SG1 93 dBµ Measure the pin 45 DC voltage After performing the adjustments described in section 4 SG7 Observe pin 45 with an oscilloscope and measure the peak-to-peak value of the waveform. Next, gradually lower the input level to determine the input level such that the output becomes –3 dB below the video signal amplitude VO. After performing the adjustments described in section 4 SG7 100 dBµ Observe pin 45 with an oscilloscope and determine the value of the Vy/Vs ratio by measuring the peak-to-peak value of the sync After performing the adjustments described in section 4 waveform (Vs) and the peak-to-peak value of the luminance signal (Vy). SG5 93 dBµ Measure pin 45 with a vectorscope After performing the adjustments described in section 4 SG5 93 dBµ Measure pin 45 with a vectorscope After performing the adjustments described in section 4 SG1 93 dBµ Pass the noise voltage that occurs on pin 45 through a 10 kHz to 4 MHz bandpass filter, measure that voltage (Vsn) with an rms voltmeter. Use that value to calculate 20 × log (1.43/Vsn). After performing the adjustments described in section 4 SG1 SG2 SG3 Input SG1 at 93 dBµ and measure the pin 12 DC voltage (V12).Mix three signals: SG1 at 87 dBµ, SG2 at 82 dBµ, and SG3 at 63 dBµ, and input that signal to VIF IN. Now, apply the V12 voltage to pin 12 using an external power supply. Measure the difference between the 3.58 MHz component and the 920 kHz component with a spectrum analyzer. After performing the adjustments described in section 4 No. 5844-11/27 11 Page

Páginas	Total 27 Páginas
PDF Descargar	[ Datasheet LA76070.PDF ]

Hoja de datos destacado

Número de pieza	Descripción	Fabricantes
LA76070	NTSC Color Television IC	Sanyo
LA76075	NTSC Color Television Sets	Sanyo Semicon Device

Número de pieza	Descripción	Fabricantes
SLA6805M	High Voltage 3 phase Motor Driver IC.	Sanken
SDC1742	12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters.	Analog Devices

DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares,
permitiéndote verlos en linea o descargarlos en PDF.

DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar