Ordering number : EN6081 Monolithic Linear IC LA7161V VHF Band RF Modulator Overview Package Dimensions The LA7161V is an RF modulator which generates, from a baseband video and audio signal, PLL frequency unit: mm synthesized RF TV channel signal in VHF band. 3178-SSOP16 9 0.5 8 1.6max 1 5.4 0.15 0.1 , TWN : 13ch only), channel selection accomplished using two pins. • PLL synthesized (4.5MHz frequency) and tankless audio FM. • The 4 or 3.58MHz (color subcarrier) reference frequency for PLL can either be generated internally or input from an external source. 4.4 • 5V operation. • PLL synthesized RF VCO (US : 3ch, 4ch, JPN : 1ch, 2ch 6.4 Features 1.0 [LA7161V] 16 0.22 0.65 0.43 SANYO : SSOP16 Functions • RF VCO • RF mixer • RF buffer • Video clamp • White clip • Audio FM • 4V regulator • Reference OSC 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 Bussiness Headquaters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN N1098RM (KT) No.6081-1/5 LA7161V Specifications Maximum Ratings at Ta=25°C Parameter Symbol Conditions Maximum supply voltage VCC max Allowable power dissipation Pd max Operating temperature Topr Storage temperature Tstg Note : When mounted on a glass epoxy resin circuit board (114.3mm × 76.1mm × 1.6mm) Ratings 7 * 350 –20 to +75 –55 to +150 Unit V mW °C °C Operating Conditions at Ta=25°C Parameter Recommended supply voltage Operating voltage range Symbol VCC VCC op Conditions Ratings 5 4.5 to 5.5 Unit V V Operating Characteristics at Ta=25°C, VCC=5V, US 3ch unless otherwise specified Parameter Symbol Ratings Conditions min typ max Unit Supply current 1 ICC1 No signal, pin 6, high 26 37 48 mA Supply current 2 ICC2 No signal, pin 6, low 17 25 23 mA Regulator voltage Vreg No signal 3.7 3.9 4.1 V ANT SW driver Pin 6, high, 220Ω load 3.2 3.5 3.8 V RF output US VANT PUS No signal *2 84 87 90 dBµ RF output JP PJP No signal, JPN 1ch *2 83.5 86.5 89.5 dBµ RF output TWN PTW No signal, TWN 13ch *2 P/S ratio P/S S : fp+4.5MHz 83 86 89 dBµ 13.5 16 18.5 dB 4.5MHz 2nd harmonics P/S2 S2 : fp+2×4.5MHz 50 65 – dB 4.5MHz 3rd harmonics P/S3 S3 : fp+3×4.5MHz 50 55 – dB 920kHz beat P/CB VIN=3.58MHz, 0.6Vp-p 65 72 – dB 45 65 – dB CB : fp+920kHz Video harmonics P/V2 VIN=1MHz, 1Vp-p V2 : fp+2MHz Video modulation Mp VIN=Stair step, 1Vp-p 75 80 85 % White clip level WCL VIN=Stair step, 1.5Vp-p 88 93 98 % Differential gain DG VIN=Stair step, 1Vp-p –5 – +5 % Differential phase DP VIN=Stair step, 1Vp-p –5 – +5 Deg Audio modulation MS AIN=1kHz, 1Vp-p Maximum audio modulation MS max THD<3% *3 90 100 110 % 400 – – % Audio THD THD AIN=1kHz, 1Vp-p – 0.4 2 % Audio S/N S/N AIN=1kHz, 1Vp-p 45 52 – dB VIN=Color bar, 1Vp-p Notes *2 : Measure the pin RF OUT with a spectrum analyzer of 50Ω input impedance and add 9.5 dB to that value. *3 : 100%=±25kHz modulation. No.6081-2/5 LA7161V REG RF OUT ANT DRV VCC1 RF LPF VCC2 OSC2 OSC1 Equivalent Circuit Block Diagram 16 15 14 13 12 11 10 9 REG 4.0V RF MIXER BUF RF OSC BUF OFF OFF BIAS ANT SW DRIVER FM OSC PLL WHITE CLIP PLL CARRIER OFF SW 1 2 3 4 5 6 7 8 FM LPF GND VIDEO IN CARR OFF IN XTAL CH CHANNEL AUDIO IN REF OSC PSADJ CLAMP A11861 Test Circuit (US CH) ANT.SW DRIVE 16 15 14 13 12 100pF 0.1µF 47kΩ 0.047µF 2200pF +VCC (5V) 0.1µF 220Ω 0.1µF 100Ω 100pF RF OUT 10kΩ 18pF 11 10 9 6 7 8 LA7161V 0.1µF 5 4MHz 470Ω 0.33µF 6800pF 56kΩ 1500pF 0.1µF 3.6kΩ 15pF AUDIO IN 4 470Ω 3 10kΩ 2 0.022µF 1 RF OFF (Hi : RF work) Citizen CMR-310 CHANNEL VIDEO IN A11862 No.6081-3/5 LA7161V Sample Application Circuit (US, JPN CH) ANT.SW DRIVE 16 15 14 13 12 100pF 0.1µF 47kΩ 0.047µF 2200pF +VCC (5V) 0.1µF 0.1µF 82Ω 820Ω 100pF RF OUT 10kΩ~∞ US:18pF JPN:15pF XXP 11 10 9 6 7 8 5 OPEN:US 3CH GND:US 4CH Citizen CMR-310 4MHz 470Ω 10kΩ 0.33µF 6800pF 56kΩ 0.1µF 3.6kΩ 1500pF 15pF 4 0.1µF 3 470Ω 2 0.022µF 1 2.7kΩ (JPN:REMOVE) LA7161V CHANNEL 8.2kΩ OPEN:JPN 1CH (JPN:SHORT) GND:JPN 2CH RF OFF (Low ACTIVE) VIDEO IN AUDIO IN A11863 Sample Application Circuit (TWN CH) ANT.SW DRIVE 16 15 14 13 12 100pF 0.1µF 47kΩ 0.047µF 2200pF +VCC (5V) 0.1µF 0.1µF 82Ω 750Ω 100pF RF OUT 18pF 11 10 6 7 9 LA7161V 1 2 3 4 5 8 0.1µF AUDIO IN 0.1µF 4MHz (3.58MHz) 470Ω 470Ω 10kΩ 0.33µF 6800pF 56kΩ 1500pF 3.6kΩ 15pF 0.022µF 270kΩ RF OFF (Low ACTIVE) Citizen CMR-310 REF 4MHz:OPEN fSC=3.58MHz:GND VIDEO IN A11864 No.6081-4/5 LA7161V Application for Channel Selection Channel US3 US4 JPN1 JPN2 TWN13 Reference Frequency (MHz) 4.0 3.58 4.0 3.58 4.0 3.58 4.0 3.58 4.0 3.58 Voltage of PIN8 (V) over 4.2 same as above 2.7 to 3.8 same as above 1.2 to 2.3 same as above under 0.8 same as above 1.2 to 2.3 under 0.8 A Resistor between PIN7 and GND (kΩ) W/O W W/O W W/O W W/O W W/O W/O A Resistor between PIN8 and GND (kΩ) W/O W/O W/O W/O W/O W/O W/O W/O W W Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO products(including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Electric Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of November, 1998. Specifications and information herein are subject to change without notice. PS No.6081-5/5