TDA8780M Philips Semiconductors, TDA8780M Datasheet
TDA8780M
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TDA8780M Summary of contents
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... DATA SHEET TDA8780M True logarithmic amplifier Product specification Supersedes data of November 1994 File under Integrated Circuits, IC03 INTEGRATED CIRCUITS 1995 Jul 25 ...
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... Dynamic range compression IF signal dynamic range reduction in digital receivers Compression receivers. GENERAL DESCRIPTION The TDA8780M is a true logarithmic amplifier intended for dynamic range reduction of IF signals at 10.7 MHz in digital radio receivers. It offers true logarithmic characteristics over input dynamic range, has a small-signal gain-adjustment facility and a constant limiting output voltage for large input levels ...
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... C DEC1 C DEC2 1995 Jul 100 k 100 100 k 100 TDA8780M 3 CONTROL GND1 GND2 GND3 GND4 GND5 Fig.1 Block diagram. 3 Product specification TDA8780M out 8 V ref TEST MBE161 ...
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... Jul 25 handbook, halfpage GND1 2 C DEC1 TDA8780M GND2 7 V ref 8 n. GND3 Fig.2 Pin configuration. 4 Product specification TDA8780M GND5 C DEC2 18 17 TEST GND4 13 V out 12 n. MBE160 ...
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... Five stages are used in the TDA8780M to provide true logarithmic dynamic range. The DC bias current in the undegenerated long-tailed pair in the first stage is made externally adjustable, using an off-chip resistor, to provide a small-signal gain adjustment facility ...
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... output not loaded see Fig.6 note input protection diodes not conducting over whole T and V amb 6 Product specification TDA8780M MIN. MAX. 0.3 +6 +75 55 +150 MIN. TYP. MAX. 4.5 5.0 5.5 5.4 6.7 4.9 6.2 40 200 100 250 70 2 ...
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... mV; see Fig mV; see Fig (+13.0 dBm) in see Fig Product specification TDA8780M MIN. TYP. MAX. UNIT 60 +40 +140 115 mV 200 245 290 mV 365 440 495 mV 530 610 690 ...
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... Fig.5 Typical small signal gain. 1995 Jul 25 MLD209 handbook, halfpage V out (mV 3 (dBm amb . g MGC666 100 Product specification TDA8780M 1000 800 600 400 200 Fig.4 Typical transfer characteristics. MGC118 0 20 (dBm ...
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... TDA8780M GND2 ref 8 13 2 GND3 10 11 MGC117 Fig.6 Typical application diagram. 9 Product specification TDA8780M 100 GND5 C DEC2 33 pF TEST circuit CE enable input GND4 V out output to ADC n. 2 ...
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... Jul 2.5 scale (1) ( 0.32 0.20 6.6 4.5 6.6 0.65 0.20 0.13 6.4 4.3 6.2 REFERENCES JEDEC EIAJ detail 0.75 0.65 1.0 0.2 0.13 0.45 0.45 EUROPEAN PROJECTION Product specification TDA8780M SOT266 ( 0.48 10 0.1 o 0.18 0 ISSUE DATE 90-04-05 95-02-25 ...
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... Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 11 Product specification TDA8780M ...
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... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. 1995 Jul 25 12 Product specification TDA8780M ...
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... Philips Semiconductors True logarithmic amplifier 1995 Jul 25 NOTES 13 Product specification TDA8780M ...
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... Philips Semiconductors True logarithmic amplifier 1995 Jul 25 NOTES 14 Product specification TDA8780M ...
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... Philips Semiconductors True logarithmic amplifier 1995 Jul 25 NOTES 15 Product specification TDA8780M ...
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... CA 94088-3409, Tel. (800)234-7381, Fax. (708)296-8556 Uruguay: Coronel Mora 433, MONTEVIDEO, Tel. (02)70-4044, Fax. (02)92 0601 Internet: http://www.semiconductors.philips.com/ps/ For all other countries apply to: Philips Semiconductors, International Marketing and Sales, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Telex 35000 phtcnl, Fax. +31-40-724825 (from 10-10-1995: +31-40-2724825) SCD41 © ...