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Philips TDA1596T manual

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Table of contents for the manual

  • Page 1

    DA T A SH EET Product specification File under Integrated Circuits, IC01 April 1991 INTEGRA TED CIRCUITS TDA1596T IF amplifier/demodulator for FM radio receivers[...]

  • Page 2

    April 1991 2 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T GENERAL DESCRIPTION The TDA1596T provides IF amplification, symmetrical quadrature demodulation and level detection for quality home and car FM radio receivers and is suitable for both mono and stereo reception. It may also be applie[...]

  • Page 3

    April 1991 3 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Fig.1 Block diagram and application circuit. (1) Connecting pin 13 to ground is only allowed for measuring the current at pin 16. It is not for use in application. (2) In the FM, mute-on condition the unweighted level detector output[...]

  • Page 4

    April 1991 4 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T PINNING 1V P supply voltage 2 L V A level voltage adjustment 3 UL V unweighted level output/K2 adjustment 4 AF0 AF output 5V ref reference voltage output 6 WL V weighted level voltage output 7 MSW mode switch 8 DDV detune detector vo[...]

  • Page 5

    April 1991 5 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T FUNCTIONAL DESCRIPTION Limiter-amplifier This has five stages of IF amplification using balanced differential limiter-amplifiers with emitter--follower coupling. Decoupling of the stages from the voltage supply lines and an internal[...]

  • Page 6

    April 1991 6 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T RA TINGS Limiting values in accordance with the Absolute Maximum System (IEC 134) Note 1. Equivalent to discharging a 100 pF capacitor through a 1.5 k Ω series resistor. THERMAL RESIST ANCE SYMBOL P ARAMETER MIN. MAX. UNIT V P = V [...]

  • Page 7

    April 1991 7 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T CHARACTERISTICS f = 10.7 MHz; V P = V 1-17 = 8.5 V ; V I = V 20 (rms) = 1 mV ; T amb = 25 ° C; measured in the circuit of Fig.3; tuned circuit at pins 10, 1 1 aligned for symmetrical stop pulses; all voltages are referred to ground [...]

  • Page 8

    April 1991 8 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Attack and decay (pin 16) Pin 13 connected to ground * + I 16 charge current − 8 −µ A − I 16 discharge current − 120 −µ A Pin 13 connected to V ref + I 16 charge current − 100 −µ A − I 16 discharge current − 120 [...]

  • Page 9

    April 1991 9 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T * Connecting pin 13 to ground is only allowed for measuring the current at pin 16. It is not for use in application. * Without input voltage. T uning-stop detector (Figs 10 and 1 1) Stop-0: detuning at V 20(rms) = 10 mV +∆ f for V [...]

  • Page 10

    April 1991 10 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T OPERA TING CHARACTERISTICS f = 10.7 MHz; V I = V 20(rms) = 1 mV ; deviation ( ∆ f) = 22.5 kHz; modulation frequency (f m ) = 400 Hz; de-emphasiss (pin 4) = 50 µ s; test circuit as per Fig.3; tuned circuit (Q L = 19) aligned for s[...]

  • Page 11

    April 1991 11 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Fig.3 Test circuit.[...]

  • Page 12

    April 1991 12 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Fig.4 Printed-circuit board component side, showing component layout. For circuit diagram see Fig.3. Fig.5 Printed-circuit board showing track side.[...]

  • Page 13

    April 1991 13 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Fig.6 Typical curve of internal attenuation showing the relationship between the mute attenuator control voltage (pin 16) and mute attenuation; I 2 = I 7 = 0 mA Fig.7 Weighted field strength output voltage (pin 6) as a function of i[...]

  • Page 14

    April 1991 14 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Fig.8 Weighted field strength output voltage (pin 6) as a function of detuning; R 6-17 ≥ 10 k Ω ; I 2 = I 7 = 0 mA; V 20 = 10 mV. Fig.9 Adjustment range of weighted field strength output voltage (pin 6) with level shift control [...]

  • Page 15

    April 1991 15 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Fig.10 STOP-0 and STOP-1 output voltages as a function of detuning, measured at V 20 = 10 mV. (a) STOP-0. (b) STOP-1.[...]

  • Page 16

    April 1991 16 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Fig.11 STOP-0 or STOP-1 output voltages as a function of input voltage at pin 20. Fig.12 Switch levels at pin 7.[...]

  • Page 17

    April 1991 17 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Fig.13 Audio signal ( ∆ f = 22.5 kHz; f m = 1 kHz) and noise as functions of input voltage at pin 20; measured with 50 µ s de-emphasis. (a) mode switch at FM, mute-on (b) mode switch at FM, mute-off[...]

  • Page 18

    April 1991 18 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Fig.14 Dynamic mute attenuation as a function of frequency deviation for modulation frequencies of 40, 60, 80 and 100 kHz. Fig.15 THD as a function of detuning, mode switch at FM, mute-on position; ∆ f = 75 kHz; f m = 1 kHz; V 20([...]

  • Page 19

    April 1991 19 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T Fig.16 Typical curves showing AM suppression for an input signal having frequency modulation at ∆ f = 22.5 kHz and f m = 1 kHz, and amplitude modulation of 30% at a frequency of 400 Hz; de-emphasis time = 50 µ s and bandwidth = 2[...]

  • Page 20

    April 1991 20 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T 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[...]

  • Page 21

    April 1991 21 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave solderin[...]

  • Page 22

    April 1991 22 Philips Semiconductors Product specification IF amplifier/demodulator for FM radio receivers TDA1596T DEFINITIONS LIFE SUPPORT APPLICA TIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips cust[...]