TDA1572 Philips Semiconductors, TDA1572 Datasheet
TDA1572
Available stocks
Related parts for TDA1572
TDA1572 Summary of contents
Page 1
... DATA SHEET TDA1572 AM receiver circuit Product specification File under Integrated Circuits, IC01 INTEGRATED CIRCUITS December 1987 ...
Page 2
... AM receiver circuit GENERAL DESCRIPTION The TDA1572 integrated AM receiver circuit performs all the active functions and part of the filtering required radio receiver intended for use in mains-fed home receivers and car radios. The circuit can be used for oscillator frequencies MHz and can handle RF signals up to 500 mV. ...
Page 3
... Philips Semiconductors AM receiver circuit December 1987 3 Product specification TDA1572 ...
Page 4
... This switch is primarily intended for AM/FM band switching. During standby mode the oscillator, mixer and AF preamplifier are switched off. Short-circuit protection All pins have short-circuit protection to ground. December 1987 L(11) 4 Product specification TDA1572 . An extra 13-18 can be omitted. L(12) can be omitted. ...
Page 5
... Input current Operating ambient temperature range Storage temperature range Junction temperature THERMAL RESISTANCE From junction to ambient December 1987 SYMBOL MIN 15-18 P tot V 16- 16-18, 17- 16-18 17- amb T 55 stg j-a 5 Product specification TDA1572 MAX. UNIT 20 V 875 0 200 150 C 125 C 80 K/W ...
Page 6
... MHz 400 Hz 30 SYMBOL 1-15(p- i(rms) f osc V R (ext) R (ext Product specification = 460 kHz; measured in test circuit of Fig.1; all IF MIN. TYP. MAX. 7,5 8 200 6 6,5 5 1,2 30 500 0,1 60 130 150 0,5 200 0,3 TDA1572 UNIT mA MHz ...
Page 7
... V 2-1 December 1987 SYMBOL MIN 320 o(p-p) Z 170 O I O(peak 2,4 3 180 230 130 o(AF) V 310 o(AF) Z 2,8 3 2 2-1 V 3,5 2-1 I 100 Product specification TDA1572 TYP. MAX. UNIT 3 290 4,2 k 140 mV 3 2,0 V 20,0 V 200 ...
Page 8
... IF output (m = 30%) ref December 1987 = 400 Hz measured in Fig.1; unless otherwise specified m amb SYMBOL o(IF) V o(AF) V o(AF) d tot d tot (S N)/ Product specification TDA1572 MIN. TYP. MAX. 1,5 15 150 30 500 700 900 86 91 180 230 290 130 240 310 390 0 UNIT ...
Page 9
... Capacitor values depend on crystal type. (2) Coil data: 9 windings of 0,1 mm dia laminated Cu wire on TOKO coil set 7K 199CN; Q Fig.2 Oscillator circuit using quartz crystal; centre frequency = 27 MHz. December 1987 SYMBOL MIN. ** 2IF ** 3IF 1(osc) I 1,1 1(2osc Product specification TDA1572 TYP. MAX. UNIT ...
Page 10
... Total harmonic distortion as a function of modulation frequency at V circuit of Fig.1 with C December 1987 = 400 Hz and 2,2 F. 7-18(ext) 10 Fig.4 Total harmonic distortion and (S functions of RF input in the circuit of Fig. 30% for (S N)/N curve and m = 80% for THD curve mV 80%; measured in the i Product specification TDA1572 N)/N as ...
Page 11
... Fig.6 Indicator driver voltage as a function of RF input in the circuit of Fig.1. December 1987 Fig.7 Fig.8 Car radio application with inductive tuning. 11 Product specification TDA1572 Typical frequency response curves from Fig.1 showing the effect of filtering as follows: with IF filter with AF filter; with IF and AF filters. ...
Page 12
... Effective selectivity of input tuned circuit = 21 dB. December 1987 V’ are signals at the unloaded output of the aerial. aew, aeu MHz 400 Hz 30%. rfw i m V’ 900 kHz 400 Hz 30%. rfu /Unwanted dB; V o(AF) o(AF) Product specification TDA1572 V are signals rfw, rfu ...
Page 13
... Philips Semiconductors AM receiver circuit Fig.11 Input circuit to show cross-modulation suppression (see Fig.10). Fig.12 Oscillator amplitude as a function of pin 13, 14 impedance in the circuit of Fig.8. December 1987 13 Product specification TDA1572 ...
Page 14
... AM receiver circuit Fig.13 Total harmonic distortion and (S N)/N as functions of RF input using the circuit of Fig.8 with that of Fig.1. Fig.14 Forward transfer impedance as a function of intermediate frequency for filters shown in Fig.15; centre frequency = 455 kHz. December 1987 14 Product specification TDA1572 ...
Page 15
... Philips Semiconductors AM receiver circuit Fig.15 IF filter variants applied to the circuit of Fig.1. For filter data, refer to Table 1. December 1987 15 Product specification TDA1572 ...
Page 16
... Philips Semiconductors AM receiver circuit Fig.16 IF output voltage as a function of RF input in the circuit of Fig.1; f December 1987 16 Product specification TDA1572 = 1 MHz. i ...
Page 17
... Philips Semiconductors AM receiver circuit December 1987 17 Product specification TDA1572 ...
Page 18
... REFERENCES JEDEC EIAJ ( 6.48 3.9 8.25 2.54 7.62 6.20 3.4 7.80 0.26 0.15 0.32 0.10 0.30 0.24 0.13 0.31 EUROPEAN PROJECTION Product specification TDA1572 SOT102-1 ( max. 9.5 0.254 0.85 8.3 0.37 0.01 0.033 0.33 ISSUE DATE 93-10-14 95-01-23 ...
Page 19
... If the temperature of the soldering iron bit is less than 300 C it may remain in contact for seconds. If the bit temperature is between 300 and 400 C, contact may seconds. 19 Product specification TDA1572 ). If the stg max ...