LA7784FN

Ordering number : EN8094A Monolithic Linear IC LA7784FN Overview For Digital CATV Down Converter IC The LA7784FN is a digital out of band tuner for CATV. It supports RF input from 50 to 280MHz and supports the DOCSIS (USA) and Euro-DOCSIS (Europe) standards. Functions • RF Mixer • RF AGC amplifier • Driver for SAW filter • IF AGC amplifier • IF post amplifier for AD Specifications Maximum Ratings at Ta = 25°C Parameter Maximum Supply Voltage Circuit Voltages Circuit Current Allowable Power Dissipation Operating Temperature Storage Temperature * On the Board 30×50×0.8mm, FR4, 4 layer. Symbol VCC max V max I 10,11 Pd max Topr Tstg Conditions Pin 4, 12, 18, 19, 20, 21, 27, 28 Pin 5 Pin 10, 11 sink current Ta≤70°C Ratings 6.0 VCC 2 750* -20 to +70 -55 to +150 Unit V V mA mW °C °C Recommended Operating Conditions at Ta = 25°C Parameter Recommended Supply Voltage Operating Supply Voltage Range Symbol VCC VCC op Conditions Pin 4, 12, 18, 19, 20, 21, 27, 28 Pin 4, 12, 18, 19, 20, 21, 27, 28 Ratings 5.0 4.5 to 5.5 Unit V V Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. 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. 42507 MS PC 20061215-S00001 / 61005 MS IM B8-8634 No.8094-1/8 AC Characteristics at Ta = 25°C, VCC = 5.0V Parameter Circuit Current RF Input Frequency Range RF AGC Range Mixer Conversion Gain Symbol I total f (RF) GR1 CG1 Pin No. 4, 12, 18, 19, 20, 21, 27, 28 22, 23 27, 28 The pin 27 output for the input to pins 22 and 23. The pin 28 output for the input to pins 22 and 23. Mixer Inter Modulation 1 IM3 1 The pin 27 output for the input to pins 22 and 23. The pin 28 output for the input to pins 22 and 23. IF Input Frequency Range IF Amplifier Gain f (IF) G (AGC) 31, 32 The pin 10 output for the input to pins 31 and 32. The pin 11 output for the input to pins 31 and 32. IF Inter Modulation 2 IM3 2 The pin 10 output for the input to pins 31 and 32. The pin 11 output for the input to pins 31 and 32. IF AGC Range IF AGC Output Level GR2 VO (IF) 1 VO (IF) 2 10, 11 10 11 IF Output Level < ±1dB Single output Single output 3 5 1.0 1.0 dB Vp-p Vp-p Output = 110dBµV 40 50 dB fc : -3dB V5 = 2.5V 30 51 55 100 59 dB MHz Input = 75dBµV V5 = 2.5V 40 50 dB Conditions min No Signal fc : -3dB V5 = 2.5 to 0V V5 = 2.5V 80 50 45 19 53 22 25 dB Ratings typ 105 max 130 280 mA MHz dB Unit Package Dimensions unit : mm 3308 TOP VIEW 5.0 17 24 (1.6) BOTTOM VIEW Exposed Die-Pad Do Not Connect 25 (0.05) 16 9 (1.6) 5.0 32 8 0.4 1 (1.1) 0.16 0 0.85max (0.8) 0.45 LASER MARKED INDEX 12 SANYO : VQFN32J(5.0X5.0) LA7784FN Block Diagram and Pin Assignment RF AGC AMP Input 2 RF AGC AMP Input 1 RF AGC AMP VCC 2 RF AGC AMP VCC 1 SAW Driver VCC MIX / LO VCC 18 NC 24 NC 25 RF AGC AMP GND 26 SAW Driver Output 1 27 SAW Driver Output 2 28 SAW Driver SAW Driver GND 29 23 22 21 20 19 17 RF AGC AMP NC 16 NC 15 LO Buffer Input 2 14 LO Buffer Input 1 13 MIX / LO GND 12 Post AMP VCC 11 Post AMP Output 1 10 Post AMP Output 2 9 NC RF Mixer LO Buffer IF AGC AMP GND 30 IF AGC AMP IF AGC AMP Input 1 31 IF AGC AMP Input 2 32 Post AMP 1 NC 2 NC 3 IF AGC AMP GND 4 IF AGC AMP VCC 5 AGC Control 6 Post AMP GND 7 NC 8 NC No.8094-3/8 LA7784FN Pin Functions Pin number 1, 2 3 4 5 Pin name NC (Connect to GND) IF AGC AMP GND IF AGC AMP VCC AGC Control Equivalent circuit VCC 70 µ A 1kΩ 5 6 7, 8, 9 10, 11 Post AMP GND NC (Connect to GND) Post AMP Output VCC 30Ω 30Ω 7mA 7mA 3kΩ 1mA 16, 17 18 19 NC (Connect to GND) Mixer/LO VCC SAW Driver VCC 10 11 12 13 14, 15 Post AMP VCC MIX/LO GND LO Buffer Input 300Ω 14 300Ω 15 3kΩ Continued on next page. No.8094-4/8 LA7784FN Continued from preceding page. Pin number 20, 21 Pin name RF AGC AMP VCC Equivalent circuit 20 21 22, 23 RF AGC AMP Input 22 23 1kΩ 1kΩ 24, 25 26 27, 28 NC (Connect to GND) RF AGC AMP GND SAW Driver Output 27 28 20 Ω 20mA 29 30 31, 32 SAW Driver GND IF AGC AMP GND IF AGC AMP Input 20Ω Bias 1kΩ 31 32 1k Ω No.8094-5/8 LA7784FN Test Circiut 50Ω 1000pF f=80MHz 1000pF 50Ω 24 25 26 27 23 1000pF 22 21 20 19 1000pF 18 17 RF AGC AMP 5V 16 15 RF Mixer 1000pF V 9 No.8094-6/8 f=130MHz V V V 28 SAW Driver 29 30 1000pF 31 1000pF 32 IF AGC AMP 14 13 LO Buffer 12 Post AMP 11 50Ω FET PROBE 10 f=50MHz 50Ω 1 2 3 4 5 6 7 8 0.01µF AGC CONTROL 5V 0.01µF 1kΩ 0.01µF 1000pF FET PROBE LA7784FN No.8094-7/8 LA7784FN SANYO Semiconductor Co.,Ltd. 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 Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents 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 Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require 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 consent of SANYO Semiconductor 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 Semiconductor Co.,Ltd. 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. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of Aplil, 2007. Specifications and information herein are subject to change without notice. PS No.8094-8/8