LA7793V

Ordering number : ENA1146 Monolithic Linear IC LA7793V Overview With Driver amplifier for ADC AGC amplifier The LA7793V is a AGC amplifier with Driver amplifier for ADC. It is ideally suited for use with receiver systems receiving QPSK and/or QAM data transmissions. Functions • IF AGC control • IF AGC amplifier • IF Step Gain Controlled amplifier • Driver amplifier • ADC drive capability Specifications Maximum Ratings at Ta = 25°C Parameter Maximum Supply Voltage Circuit Voltages Circuit Current Symbol VCC max V max I8 I9 Allowable Power Dissipation Operating Temperature Storage Temperature Pd max Topr Tstg Conditions Pins 12, 13 and 14 Pin 11 Pin 8 sink current Pin 9 sink current Ta ≤ 85°C * Ratings 7.0 VCC 2 2 360 -40 to +85 -55 to +150 Unit V V mA mA mW °C °C * Mounted on specified board: 114.3mm × 76.1mm × 1.6mm, glass epoxy board. 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. 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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. 31208 MS 20061213-S00005 No.A1146-1/4 LA7793V Recommended Operating Conditions at Ta = 25°C Parameter Supply Voltage Operating Supply Voltage Range Symbol VCC VCC op Pins 12,13 and 14 Pins 12,13 and 14 Conditions Ratings 5.0 4.5 to 5.5 Unit V V Electrical Characteristics at Ta = 25°C, VCC = 5V Parameter Circuit Current IF Input Frequency Range Noise Figure Symbol Itotal f(in) NF 8, 9 50MHz V11 = 2.5V V11 = 2.5V f1: 50MHz f2: 56MHz gnd: pin 3. open: pins 4, 5, 6 and 7. G2 G3 G4 G5 AGC Range Gain Step GR GS 8/1,16 9/1,16 50MHz V11 = 2.5V 8/1,16 9/1,16 8/1,16 9/1,16 50MHz V11 = 2.5V gnd: pin 4. open: pins 3, 5, 6 and 7. gnd: pin 5 open: pins 3, 4, 6 and 7. gnd: pin 6. open: pins 3, 4, 5 and 7. gnd: pin 7 open: pins 3, 4, 5 and 6. V11 = 0.5 to 2.5V IF Output Level < ±1dB G2-G1 G3-G2 G4-G3 G5-G4 IF Output Level 1 IF Output Level 2 VO(IF)1 VO(IF)2 8 9 50MHz V11 = 2.5V Output Level 29.5 33.5 37.5 41.5 45.5 40 3 3 3 3 4 4 4 4 1.0 1.0 5 5 5 5 32 36 40 44 48 34.5 38.5 42.5 46.5 50.5 dB dB dB dB dB dB dB dB dB dB Vp-p Vp-p Pin No. 12, 13, 14 8, 9 No signal. Fc: -3dB gnd: pin 3. open: pins 4, 5, 6 and 7. gnd: pin 7. open: pins 3, 4, 5 and 6. Inter Modulation IM3 8/1,16 9/1,16 Total Amplifier Gain G1 Output = 110dBµ each 40 50 dB 7 dB Conditions min 27 30 10 Ratings typ 36 max 46 100 mA MHz dB Unit Package Dimensions unit : mm (typ) 3178B 400 Pd max -- Ta Mounted on specified board: 114.3×76.1×1.6mm3 glass epoxy board. Allowable power dissipation, Pd max -- mW 5.2 16 9 360 300 4.4 6.4 200 187 0.5 1 0.65 (0.33) 8 0.15 0.22 1.5max 100 0 -40 -20 0 20 40 60 8085 100 Ambient temperature, Ta -- °C SANYO : SSOP16(225mil) 0.1 (1.3) No.A1146-2/4 LA7793V Block Diagram IF AGC Input VCC A/D Converter 16 15 AGC IF Input IF Step Gain Contrpl Switch Step Gain Amp Driver Amp 14 13 12 VCC VCC VCC 11 10 9 1 2 3 4 5 6 7 8 A/D Converter Please connect only one pin to a ground among Pins 3, 4, 5, 6 and 7. Pin Function Pin No. 1 16 1kΩ 1kΩ Function IF input. Equivalent circuit Bias 1 16 2 3 4 5 6 7 GND Step Gain Control Switch. Bias 8 9 Driver Output. VCC 8 9 40Ω 40Ω 5.7mA 5.7mA 10 GND Continued on next page. No.A1146-3/4 LA7793V Continued from preceding page. Pin No. 11 AGC Control. Function Equivalent circuit VCC 11 1kΩ 12 13 14 15 VCC GND 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 March, 2008. Specifications and information herein are subject to change without notice. PS No.A1146-4/4