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Philips TDA1576T manual

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Table of contents for the manual

  • Page 1

    DA T A SH EET Product specification Supersedes data of February 1991 File under Integrated Circuits, IC01 1998 Nov 18 INTEGRA TED CIRCUITS TDA1576T FM/IF amplifier/demodulator circuit[...]

  • Page 2

    1998 Nov 18 2 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T FEA TURES • Fully balanced 4-stage limiting IF amplifier • Symmetrical quadrature demodulator • Field strength indication output for 1 mA ammeter • Detune detector for side response and noise attenuation • Detune voltage output • In[...]

  • Page 3

    1998 Nov 18 3 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _ white to force landscape pages to be rotated correctly when browsing through the pdf in the A[...]

  • Page 4

    1998 Nov 18 4 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T PINNING SYMBOL PIN DESCRIPTION V P 1 positive supply voltage C PS 2 smoothing capacitor of power supply IF1 3 IF signal to resonant circuit RES1 4 resonant circuit input 1 FMON 5 FM-ON, standby switch RES2 6 resonant circuit input 2 IF2 7 IF si[...]

  • Page 5

    1998 Nov 18 5 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T LIMITING V ALUES In accordance with the Absolute Maximum Rating System (IEC 134). THERMAL CHARACTERISTICS SYMBOL P ARAMETER MIN. MAX. UNIT V P supply voltage (pin 1) 0 15 V V 2, 5, 16 voltage on pins 2, 5 and 16 0 V P V P tot total power dissip[...]

  • Page 6

    1998 Nov 18 6 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T CHARACTERISTICS V P = 8.5 V ; f IF = 10.7 MHz; R S =6 0 Ω ; f m = 400 Hz with ∆ f= ± 22.5 kHz; 50 µ s de-emphasis (C 8-9 = 6.8 nF); T amb =2 5 ° C and measurements taken in Fig.1; unless otherwise specified. The demodulator circuit is a[...]

  • Page 7

    1998 Nov 18 7 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T Field strength output; see Fig.4 V 15 output voltage V iIF = 0 0 0.1 0.25 V V iIF = 1 mV (RMS) 1.1 1.5 1.9 V V iIF = 250 mV (RMS) 3.2 3.6 4.1 V S control steepness − 0.85 − V/dec R 15 output resistance − 150 200 Ω dependence on temperat[...]

  • Page 8

    1998 Nov 18 8 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T OPERA TING CHARACTERISTICS V P = 8.5 V; f IF = 10.7 MHz; R S =6 0 Ω ; f m = 400 Hz with ∆ f= ± 22.5 kHz; 50 µ s de-emphasis (C 8-9 = 6.8 nF); T amb =2 5 ° C and measurements taken in Fig.1; unless otherwise specified. The demodulator ci[...]

  • Page 9

    1998 Nov 18 9 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T Fig.3 AF output voltage level on pins 8 and 9 as a function of V iIF at V P = 8.5 V; f m = 1 kHz; Q L = 20 with de-emphasis. handbook, full pagewidth − 80 − 60 − 40 − 20 0 20 10 − 6 10 − 5 10 − 4 10 − 3 10 − 2 10 − 1 1 V 8 ,[...]

  • Page 10

    1998 Nov 18 10 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T Fig.5 Detuning input impedance. handbook, halfpage MEH144 I 12 I 12 R i V 9, 12 Fig.6 Detuning curve. handbook, halfpage − 1.2 − 0.8 − 0.4 0 0.4 0.8 V 13 /V 14 1.2 V 9, 12 (V) 1 MEH145 0.5 0 Fig.7 Detuning output. handbook, halfpage 024 [...]

  • Page 11

    1998 Nov 18 11 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T Fig.9 Standby switch. handbook, halfpage 012 V 3-7 V 3-7 (max) 3 V 5 (V) ∆ V 5 2 0 MEH148 1 Fig.10 An example of the TDA1576T when using a demodulator with two tuned circuits. Adjustment of the demodulator circuit is obtained with an IF sign[...]

  • Page 12

    1998 Nov 18 12 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T P ACKAGE OUTLINE UNIT A max. A 1 A 2 A 3 b p cD (1) E (1) (1) eH E LL p Q Z y w v θ REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ mm inches 2.65 0.30 0.10 2.45 2.25 0.49 0.36 0.32 0.23 13.0 12.6 7.6 7.4 1.27 10.65 1[...]

  • Page 13

    1998 Nov 18 13 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T SOLDERING Introduction to soldering surface mount packages This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “Data Handbook IC26; Integrated Circuit Packages” (docume[...]

  • Page 14

    1998 Nov 18 14 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T Suitability of surface mount IC packages for wave and reflow soldering methods Notes 1. All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum temperature (with respect to time) and body size[...]

  • Page 15

    1998 Nov 18 15 Philips Semiconductors Product specification FM/IF amplifier/demodulator circuit TDA1576T NOTES[...]

  • Page 16

    Internet: http://www.semiconductors.philips.com Philips Semiconductors – a worldwide company © Philips Electronics N.V. 1998 SCA60 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or cont[...]