TDA1072A rev. a2, 03-dec-98 1 (7) am receiver circuit technology: bipolar features controlled rf preamplifier multiplicative balanced mixer separate oscillator with amplitude control if amplifier with gain control balanced full-wave detector audio preamplifier internal agc voltage amplifier for field-strength indication electronic stand-by on/off switch block diagram / application circuit figure 1. block diagram and application circuit
TDA1072A rev. a2, 03-dec-98 2 (7) absolute maximum ratings reference point pin 16, unless otherwise specified parameters symbol value unit supply voltage pin 13 v s 20 v voltage on pin 2 v 2 0 to 20 v rf inputs voltages reference point 15 pin 14 pin 14 pin 14 pin 15 pin 15 v i 14/15 v i v i v i v i 12 v s 0.6 v i 0.6 v v v v v rf inputs currents pin 14, 15 i i 200 ma ambient temperature range t amb 30 to + 80 c storage temperature range t stg 55 to + 150 c electrical characteristics v s = 8.5 v, reference point pin 16, f irf = 1mhz, r g = 50 , f mod = 0.4 khz, m = 30%, f if = 460 khz, t amb = +25 c, unless otherwise specified parameters test conditions / pin symbol min type max unit supply voltage range pin 13 v s 7.5 18 v supply current without load, i l = 0 (pin 11) pin 13 i s 23 30 ma rf preamplifier and mixer dc input voltages pin 14, 15 v i v s /2 v input impedances v irf < 300 m v, pin 14,15 v irf > 10 mv, pin 14, 15 r i c i r i c i 5.5 25 8.0 22 k pf k pf output impedance pin 1 r o c o 500 6.0 k pf maximum conversion conductance i o 1 if /v irf s m 6.5 ma/v maximum if output voltage pin 1 v oif(pp) 5.0 v output current pin 1 i o 1.2 ma preamplifier control range s m 30 db max. rf input voltage pin 14, 15 v i(pp) 2.5 v oscillator frequency range pin 12 f osc 0.6 60 mhz oscillator circuit impedance range pin 12 z losc 0.5 200 k controlled oscillator amplitude pin 12 v osc 130 150 mv dc output voltage i l = 0 v pin 11 v o 6 v be(4v) v output load current range pin 11 i l 20 ma output resistance i l = 5 0.5 ma, pin 11 r o 25 oscillator frequency output pin 10 output voltage r l10 = 4.7 k v o(pp) 320 mv output resistance r o 170 allowable output current i o(p) 3 ma
TDA1072A rev. a2, 03-dec-98 3 (7) parameters test conditions / pin symbol min type max unit if amplifier an af stage dc input voltages pin 3, 4 v i 2 v input impedance pin 3 r i c i 2.4 3 7 3.9 k pf max. if input voltage m = 80%, d = 3% pin 3 v i 90 mv control range v 0af = 6 db v i 61 db audio output voltage v i = 1 mv (pin 3), without load, pin 6 v o 310 mv audio output resistance pin 6 r o 3.5 k field-strength indication pin 9 dc indicator voltages r l9 = 2.7 k , v i = 0 r l9 = 2.7 k , v i = 500 mv v o v o 0 2.5 2.8 140 3.1 mv v output current capability i o 2.0 ma output resistance i 0 = 0.5 ma r o 220 reverse voltage at the output am switch-off, i 0 1 a v o 6 v stand-by switch pin 2 switching voltage v i 2.75 v required control voltage am on am off v i v i (or open input) 3.5 2 v input current am on, switching current am off, reverse current (v 2 = v 3 ) i i i i 200 10 a operating conditions v s = 8.5 v, f irf = 1 mhz, f mod = 0.4 khz, m = 30%, t amb = 25 c, reference point pin 16, see figure 2, unless otherwise specified parameters test conditions / pin symbol min type max unit rf input voltages (s + n)/n = 6 db = 26 db = 46 db v irf 1.5 15 150 v rf input for agc operation v irf 30 v control range for (reference value v i = 500 mv) v 0 = 6 db v 0 = 1 db v irf 91 86 db maximum rf input voltage d = 3%, m = 80% d = 3%, m = 30% d = 10%, m = 30% v irf 0.5 0.7 0.9 v audio output voltage v 1 = 1 mv v 2 = 4 v, m = 0.8 v 0af 310 ( 2 db) 130 ( 3.5 db) mv rf input voltage v 0af = 60 mv v irf 5.5 v total distortion of audio output voltage m = 80%, v i = 1 mv v i = 500 mv d 0.5 3.0 % signal plus noise to noise ratio of audio output voltage v i = 1 mv (s + n) n 50 db if bandwidth (3 db) b if 4.6 khz if selectively f = 9 khz f = 36 khz s if 30 60 db
TDA1072A rev. a2, 03-dec-98 4 (7) test circuit figure 2. test circuit
TDA1072A rev. a2, 03-dec-98 5 (7) figure 3. figure 4.
TDA1072A rev. a2, 03-dec-98 6 (7) figure 5. dimensions in mm 13036 technical drawings according to din specifications package so16 dimensions in mm 10.0 9.85 8.89 0.4 1.27 1.4 0.25 0.10 5.2 4.8 3.7 3.8 6.15 5.85 0.2 16 9 18
TDA1072A rev. a2, 03-dec-98 7 (7) ozone depleting substances policy statement it is the policy of temic semiconductor gmbh to 1. meet all present and future national and international statutory requirements. 2. regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. it is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances ( odss). the montreal protocol ( 1987) and its london amendments ( 1990) intend to severely restrict the use of odss and forbid their use within the next ten years. various national and international initiatives are pressing for an earlier ban on these substances. temic semiconductor gmbh has been able to use its policy of continuous improvements to eliminate the use of odss listed in the following documents. 1. annex a, b and list of transitional substances of the montreal protocol and the london amendments respectively 2 . class i and ii ozone depleting substances in the clean air act amendments of 1990 by the environmental protection agency ( epa ) in the usa 3. council decision 88/540/eec and 91/690/eec annex a, b and c ( transitional substances ) respectively. temic semiconductor gmbh can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances. we reserve the right to make changes to improve technical design and may do so without further notice . parameters can vary in different applications. all operating parameters must be validated for each customer application by the customer. should the buyer use temic semiconductors products for any unintended or unauthorized application, the buyer shall indemnify temic semiconductors against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. temic semiconductor gmbh, p.o.b. 3535, d-74025 heilbronn, germany telephone: 49 ( 0 ) 7131 67 2594, fax number: 49 ( 0 ) 7131 67 2423
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