SA571 PHILIPS [NXP Semiconductors], SA571 Datasheet
SA571
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SA571 Summary of contents
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... SA571 Compandor Product specification IC17 Data Handbook INTEGRATED CIRCUITS 1997 Aug 14 ...
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... Philips Semiconductors Compandor DESCRIPTION The SA571 is a versatile low cost dual gain control circuit in which either channel may be used as a dynamic range compressor or expandor. Each channel has a full-wave rectifier to detect the average value of the signal, a linerarized temperature-compensated variable gain cell, and an operational amplifier. ...
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... V grounded Measured at 0dBm, 1kHz. 3. Expandor AC input change from no signal to 0dBm Relative to value Electrical characteristics for the SA571 only are specified over -40 to +85 C temperature range. 6. 0dBm = 775mV . RMS 1997 Aug 14 PARAMETER TEST CONDITIONS MIN No signal Untrimmed Trimmed 1 ...
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... Philips Semiconductors Compandor CIRCUIT DESCRIPTION The SA571 compandor building blocks, as shown in the block diagram, are a full-wave rectifier, a variable gain cell, an operational amplifier and a bias system. The arrangement of these blocks in the IC result in a circuit which can perform well with few external components, yet can be adapted to many diverse applications. ...
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... Philips Semiconductors Compandor This paper describes an inexpensive integrated circuit, the SA571 Compandor, which offers a pair of high performance gain control circuits featuring low distortion (<0.1%), high signal-to-noise ratio (90dB), and wide dynamic range (110dB). CIRCUIT BACKGROUND The SA571 Compandor was originally designed to satisfy the requirements of the telephone system ...
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... The inverting REF and Q ), and – Product specification SA571 , (typically 2 . Another 5 input pin and the base will be generated. A mere 1mV of offset the to limit the current to this 1 V+ ...
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... reduction. At high gains, the signal to noise ratio is 90dB, and the total dynamic range from maximum signal to minimum noise is 110dB SR00687 To THD Trim Figure 15. THD Trim Network 7 Product specification SA571 and will yield the ...
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... 1.10 1.05 1.00 . Figure 17 1 .95 Figure 19. Resistance vs Temperature SR00691 , so that a small OUT SR00692 8 Product specification SA571 140 / DIFFUSED RESISTOR 1k / LOW TC IMPLANTED RESISTOR Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç ERROR BAND – 120 TEMPERATURE SR00693 ...
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... Philips Semiconductors Compandor SO16: plastic small outline package; 16 leads; body width 7.5 mm 1997 Aug 14 9 Product specification SA571 SOT162-1 ...
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... Philips Semiconductors Compandor DIP16: plastic dual in-line package; 16 leads (300 mil) 1997 Aug 14 10 Product specification SA571 SOT38-4 ...
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... This data sheet contains Final Specifications. Philips Semiconductors reserves the right to make changes at any time without notice, in order to improve design and supply the best possible product. Copyright Philips Electronics North America Corporation 1997 All rights reserved. Printed in U.S.A. 11 Product specification SA571 ...