Monolithic Linear LA7674 Color Single-Chip Signal Processor

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Monolithic Linear LA7674 Color Single-Chip Signal Processor

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Ordering number ENN4361
Monolithic Linear
LA7674
Color Single-Chip Signal Processor NTSC Systems (PLL Detection)
Overview
LA7674 improves upon black-level, horizontaljitter, switch-on drift performance single-chip LA7672 used date. Also single-chip LA7674 color based NTSC (National Television System Committee) system with on-chip circuit VIF, SIF, video, chroma deflection signal processing.
Functions Features
[VIF] detection (high video audio quality) High-gain amplifier High speed On-chip time constant switch [SIF] Simultaneous sound IN/OUT Video/audio simultaneous muting, audio-only muting possible [Audio-visual switch] Internal/external audio-visual switch (VCC
Delay line Video external, audio external Switch rating 9.0V 6.6V 4.3V 2.1V
playback On-chip delay line Wide band width (9MHz): delay line short Dual rank on-chip differentiation circuit also available soft also input supported (VCR application) Variable transmission volume available (externally attached circuit adjustment) [Deflection] Adjustment-free horizontal, vertical synchronization Dual system with excellent anti-noise characteristics External adjustment vertical synchronization sensitivity Vertical size constant with no-signal Highly stable image during playback copy protected tapes (macro-vision tape etc.) High stability against skew distortion
Package Dimensions
unit: 3128-DIP52S
[LA7674]
[OSD] input linear amplifier input: Fast blanking input combined use) [Chroma] On-chip filter, On-chip killer filter, Killer-circuit hysteresis operation On-chip carrier filter [Video] Black enhancement
15.24
13.8
46.0
0.48
1.05
1.78
0.75
SANYO: DIP52S
SANYO products described contained herein have specifications that handle applications that require extremely high levels reliability, such life-support systems, aircraft's control systems, other applications whose failure reasonably expected result serious physical and/or material damage. Consult with your SANYO representative nearest before using SANYO products described contained herein such applications. SANYO assumes responsibility equipment failures that result from using products values that exceed, even momentarily, rated values (such maximum ratings, operating condition ranges, other parameters) listed products specifications SANYO products described contained herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
71599RM (OT)/41893TS A8-9533 4361-1/6
0.51min
5.1max
4.25
0.25
LA7674
Specifications
Absolute Maximum Ratings
Parameter Maximum supply voltage Maximum supply current Allowable power dissipation Operating temperature range Storage temperature range Circuit current Symbol I30max Topr Tstg Peak current Peak current 60°C Conditions Ratings 1.35 +150 Unit
input current
Operating Conditions
Parameter Recommended supply voltage Recommended supply current Operating voltage range Operating current range Symbol V11op V14op I30op Conditions Ratings Unit
Operating Characteristics 25°C,
Parameter [Circuit Voltage Current] Horizontal supply voltage Supply current [VIF] Quiescent video output voltage Quiescent output voltage Maximum RFAGC voltage Minimum RFAGC voltage Input sensitivity range Maximum permissible input Video output detection Differential gain Differential phase Video Synchronization signal level Frequency characteristic intermodulation Maximum output voltage Minimum output voltage detection sensitivity switch operation start voltage Black noise threshold level pull-in range (U)2 pull-in range (L)2 maximum variable range control sensitivity V49H V49L VO44 I920 V47H V47L VAFTSW VBTH fPU-2 fPL-2 Quiescent Quiescent 85dBµ, RFAGCVR 85dBµ, RFAGCVR input level video output 0.8Vp-p (40% mod). Maximum input 0.8Vp-p) input sensitivity input level video output +1dB 80dBµ, 80dBµ, 87.5%, video 80dBµ, 87.5%, video 80dBµ, 80dBµ Frequency video output -3dB V3.58MHz/V920kHz, 80dBµ 80dBµ, frequency change 80dBµ, frequency change 80dBµ, frequency change Measuring with sweep signal Measuring with sweep signal 80dBµ, 53MHz 64MHz 80dBµ, 53MHz 64MHz Quiescent Quiescent Quiescent 1.46 (Vp-p) noise (Vrms) 0.01 12.0 Vp-p mV/kHz kHz/mV 13mA 13mA, Symbol Conditions Ratings Unit
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LA7674
Continued from preceding page.
Parameter [Audio-visual Switches] Video sutput voltage Internal video input voltage External video input voltage External audio input voltage [SIF limiting voltage detection output voltage detection output distortion ratio rejection amplifier voltage gain maximum output voltage electronic attenuator range [Video] Black enhancement threshold Maximum black enhancement gain Soft video tone variable range Sharp video tone variable range Video voltage gain audio-visual Switch Video voltage gain audio-visual Switch Contrast control center Contrast variable control range BSTH Soft Sharp GV9V GV0V CCEN Bright control RCEN D.L. frequency characteristics D.L. frequency characteristics transmission Delay line delay [Chroma] amplitude characteristics ACC1 ACC2 ACCP1 ACCP2 TCEN fAPC Color contrast Color 4.5V, contrast Color contrast Color 2.5Vp-p, contrast Tint 4.5V, color 4.5V, contrast Tint 4.5V color 4.5V, contrast 17.5 ±300 19.5 ±500 +6dB -20dB +6dB -20dB 21.5 mVp-p Vp-p Vp-p variable variable 2MHz, 100mVp-p video tone 2MHz, 100mVp-p video tone contrast 100kHz, 100mVp-p, contrast video tone 100kHz, 100mVp-p, contrast video tone 100kHz, 100mVp-p, contrast Contrast Bright Bright 4.5V Bright 7.5V Contrast video tone down Contrast video tone down Input: stair step signal, 500mVp-p Input: white 100% 0.48 0.57 Vp-p output level detection output -3dB 100dBµ, ±25kHz 100dBµ, ±25kHz ±25kHz 100dBµ, 100mVrms, 400Hz Output level amplifier output distortion 200mVrms, 400Hz mVrms Vrms Quiescent Quiescent Quiescent Quiescent Symbol Conditions Ratings Unit
phase characteristics Killer operation point Color control color residual Color control center Maximum demodulation output Color contrast variable range Tint control center Tint variable range pull-in range
Continued next page.
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LA7674
Continued from preceding page.
Parameter Symbol Demodulator output ratio Demodulator phase angle Demodulator output voltage Demodulator output offset voltage Demodulator output residual carrier [OSD] Blanking pulse threshold level voltage (OSD mode) THBL threshold level VR3V voltage VG3V VB3V VR4V voltage VG4V VB4V VR5V voltage VG5V VB5V [Deflection] Synchronization separator input level Vertical free-running period Maximum vertical synchronization period Minimum vertical synchronization period Vertical blanking pulse width Vertical blanking pulse wave Height value Vertical output pulse width free VOUT VOUT Vertical output voltage VOUT VOUT Vertical external trigger load resistance Vertical automatic synchronization stop voltage Vertical output pulse start voltage Horizontal free-running frequency deviation Horizontal pull-in range Horizontal output pulse width VSAS PULL Horizontal output pulse phase Horizontal output pulse start voltage peak voltage Burst gate pulse delay time Burst gate pulse width input voltage X-ray protector circuit operation input voltage Horizontal synchronization detection Threshold level Horizontal output current coin HOUT 13mA 0.64 Deviation from 15.734kHz Deviation from 15.734kHz ±400 21.8 Input: horizontal synchronization signal only 296.5 224.5 20.25 8.25 262.5 20.5 ±550 23.8 0.74 25.8 0.84 +150 8.75 297.5 225.5 20.75 color bar, variable B-IN 1.5V variable, 1.5V variable, 1.5V variable VC-Y VC-Y Conditions Monochrome signal, contrast color 1Vpo Monochrome signal, contrast VR:6V, color 1Vpo Monochrome signal, contrast color 1Vpo Monochrome signal, contrast color 1Vpo Burst signal only, color Burst signal only, color Quiescent, killer off, color Ratings 0.81 0.24 -130 -200 0.90 0.30 -120 0.98 0.38 -110 +200 0.05 Vp-p Unit
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LA7674
Sample Application Circuit
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Unit (resistance: capacitance:
LA7674
Specifications SANYO products described contained herein stipulate performance, characteristics, functions described products independent state, guarantees performance, characteristics, functions described products mounted customer's products equipment. verify symptoms states that cannot evaluated independent device, customer should always evaluate test devices mounted customer's products equipment. SANYO Electric Co., Ltd. strives supply high-quality high-reliability products. However, semiconductor products fail with some probability. possible that these probabilistic failures could give rise accidents events that could endanger human lives, that could give rise smoke fire, that could cause damage other property. When designing equipment, adopt safety measures that these kinds accidents events cannot occur. Such measures include limited protective circuits error prevention circuits safe design, redundant design, structural design. event that SANYO products (including technical data, services) described contained herein controlled under applicable local export control laws regulations, such products must exported without obtaining export license from authorities concerned accordance with above law. part this publication reproduced transmitted form means, electronic mechanical, including photocopying recording, information storage retrieval system, otherwise, without prior written permission SANYO Electric Co., Ltd. information described contained herein subject change without notice product/technology improvement, etc. When designing equipment, refer "Delivery Specification" SANYO product that intend use. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. SANYO believes information herein accurate reliable, guarantees made implied regarding infringements intellectual property rights other rights third parties.
This catalog provides information July, 1999. Specifications information herein subject change without notice. 4361-6/6

Monolithic Linear LA7674 Color Single-Chip Signal Processor

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