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Philips TDA1574T 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 August 1990 INTEGRA TED CIRCUITS TDA1574T Integrated FM tuner for radio receivers[...]

  • Page 2

    August 1990 2 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T GENERAL DESCRIPTION The TDA1574T is an integrated FM tuner circuit designed for use in the RF/IF section of car radios and home receivers. The circuit contains a mixer and an oscillator and a linear IF amplifier for signal processing. The ci[...]

  • Page 3

    August 1990 3 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T Coil data L1: TOKO MC-108, 514HNE-150023S14; L = 0.078 µ H L2: TOKO MC-111, E516HNS-200057; L = 0.08 µ H L3: TOKO Coil set 7P, N1 = 5.5 5.5 turns, N2 = 4 turns Fig.1 Block diagram and test circuit.[...]

  • Page 4

    August 1990 4 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T PINNING 1. Mixer input 1 2. Mixer input 2 3. Wideband information input 4. Ground 5. V oltage reference 6. Oscillator output 7. Oscillator input 1 8. Oscillator input 2 9. Buffered oscillator output 10. Not connected 1 1. Not connected 12. I[...]

  • Page 5

    August 1990 5 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T RA TINGS Limiting values in accordance with the Absolute Maximum System (IEC 134); note 1. Notes to the ratings 1. All pins are short-circuit protected to ground. THERMAL RESIST ANCE P ARAMETER CONDITIONS SYMBOL MIN. MAX. UNIT Supply voltage[...]

  • Page 6

    August 1990 6 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T CHARACTERISTICS V P = V 17-4 = 8.5 V ; T amb = 25 ° C; measured in test circuit Fig.1; All measurements are with respect to ground (pin 4); unless otherwise specified P ARAMETER CONDITIONS SYMBOL MIN. TYP . MAX. UNIT Supply (pin 17) Supply[...]

  • Page 7

    August 1990 7 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T Output voltage (pin 12) V 12 − 4.5 − V AC characteristics f i = 10.7 MHz Input impedance R 16-15 240 300 360 Ω C 16-15 − 13 − pF Output impedance R 12 240 300 360 Ω C 12 − 3 − pF V oltage gain note 2 G v 27 30 − dB V oltage[...]

  • Page 8

    August 1990 8 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T Notes to the characteristics 1. Power gain conversion is equated by the following equation: 2. Voltage gain is equated by the following equation: Wideband threshold (RMS value) (see Figs 3, 4, 5 and 6) at V 14 = 0.7 V; V 20 = V P /2; I 20 = [...]

  • Page 9

    August 1990 9 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T Fig.3 Keyed AGC output voltage V 20 as a function of RMS input voltage V 3 . Measured in test circuit Fig.1 at V 14 = 0.7 V; I 20 = 0. Fig.4 Keyed AGC output voltage V 20 as a function of input voltage V 14 . Measured in test circuit Fig.1 a[...]

  • Page 10

    August 1990 10 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T Fig.7 TDA1574T application diagram. Coil data L1: TOKO MC-108, N1 = 5.5 turns, N2 = 1 turn L2: see Fig.1 L3: see Fig.1 (1) Field strength indication of main IF amplifier .[...]

  • Page 11

    August 1990 11 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T 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 10.6[...]

  • Page 12

    August 1990 12 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T 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 soldering is not[...]

  • Page 13

    August 1990 13 Philips Semiconductors Product specification Integrated FM tuner for radio receivers TDA1574T 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 customers us[...]